Patent Publication Number: US-2022235325-A1

Title: Stimulation of dendritic cell activity by homotaurine and analogues thereof

Description:
CROSS-REFERENCE TO RELATED APPLICATIONS 
     This application claims priority to U.S. Provisional Application Ser. No. 63/141,612, filed on Jan. 26, 2021, which is incorporated by reference in its entirety. 
    
    
     FIELD OF THE INVENTION 
     The invention belongs to the area of immune modulation, more specifically the invention belongs to the field of stimulating immunity to cancer using manipulation of dendritic cell activity. 
     BACKGROUND 
     New and useful treatments of immune modulation and particular treatments of cancer are needed in the art. 
     SUMMARY 
     Preferred embodiments are directed to method of augmenting ability of dendritic cells to stimulate NK cell and/or T cell activity comprising incubating said dendritic cells with a concentration of homotaurine. 
     Preferred methods include embodiments wherein said homotaurine is administered in vitro. 
     Preferred methods include embodiments wherein said homotaurine is administered at a concentration between 100 picograms per ml to 100 milligrams per ml. 
     Preferred methods include embodiments wherein said homotaurine is administered at a concentration between 1 nanogram per ml to 10 milligrams per ml. 
     Preferred methods include embodiments wherein said homotaurine is administered at a concentration between 10 nanogram per ml to 10 milligrams per ml. 
     Preferred methods include embodiments wherein said homotaurine is administered at a concentration between 100 nanogram per ml to 10 milligrams per ml. 
     Preferred methods include embodiments wherein said dendritic cells express CD11c. 
     Preferred methods include embodiments wherein said dendritic cells express CD11b. 
     Preferred methods include embodiments wherein said dendritic cells express CD80. 
     Preferred methods include embodiments wherein said dendritic cells express CD86. 
     Preferred methods include embodiments wherein said dendritic cells express CD40 
     Preferred methods include embodiments wherein said dendritic cells express Fas ligand. 
     Preferred methods include embodiments wherein said dendritic cells express TNF alpha receptor p 55. 
     Preferred methods include embodiments wherein said dendritic cells express TNF alpha receptor p 75. 
     Preferred methods include embodiments wherein said dendritic cells express NGF receptor. 
     Preferred methods include embodiments wherein said dendritic cells express CD123. 
     Preferred methods include embodiments wherein said dendritic cells produce interleukin 12. 
     Preferred methods include embodiments wherein said dendritic cells produce interleukin 15. 
     Preferred methods include embodiments wherein said dendritic cells produce interleukin 18. 
     Preferred methods include embodiments wherein said dendritic cells stimulate a mixed lymphocyte reaction. 
     Preferred methods include embodiments wherein said dendritic cells stimulate CD4 T cell proliferation. 
     Preferred methods include embodiments wherein said dendritic cells stimulate CD4 T cell cytokine production. 
    
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         FIG. 1  is a bar graph showing NK activity based on StemVacs, StemVax Taurine, and StemVax Homotaurine over 12 hrs, 24 hrs, and 36 hrs. 
         FIG. 2  is a bar graph showing IFN Gamma levels based on StemVacs, StemVax Taurine, and StemVax Homotaurine over 12 hrs, 24 hrs, and 36 hrs. 
     
    
    
     DESCRIPTION OF THE INVENTION 
     Unless defined differently, all technical and scientific terms used herein have the same meanings as commonly understood by one of skill in the art to which the disclosed invention belongs. In particular, the following terms and phrases have the following meaning. 
     “Adjuvant” refers to a substance that is capable of enhancing, accelerating, or prolonging an immune response when given with a vaccine immunogen. 
     “Agonist” refers to is a substance which promotes (induces, causes, enhances or increases) the activity of another molecule or a receptor. The term agonist encompasses substances which bind receptor (e.g., an antibody, a homolog of a natural ligand from another species) and substances which promote receptor function without binding thereto (e.g., by activating an associated protein). 
     “Antagonist” or “inhibitor” refers to a substance that partially or fully blocks, inhibits, or neutralizes a biological activity of another molecule or receptor. 
     “Co-administration” refers to administration of two or more agents to the same subject during a treatment period. The two or more agents may be encompassed in a single formulation and thus be administered simultaneously. Alternatively, the two or more agents may be in separate physical formulations and administered separately, either sequentially or simultaneously to the subject. The term “administered simultaneously” or “simultaneous administration” means that the administration of the first agent and that of a second agent overlap in time with each other, while the term “administered sequentially” or “sequential administration” means that the administration of the first agent and that of a second agent does not overlap in time with each other. 
     “Immune response” refers to any detectable response to a particular substance (such as an antigen or immunogen) by the immune system of a host vertebrate animal, including, but not limited to, innate immune responses (e.g., activation of Toll receptor signaling cascade), cell-mediated immune responses (e.g., responses mediated by T cells, such as antigen-specific T cells, and non-specific cells of the immune system), and humoral immune responses (e.g., responses mediated by B cells, such as generation and secretion of antibodies into the plasma, lymph, and/or tissue fluids). Examples of immune responses include an alteration (e.g., increase) in Toll-like receptor activation, lymphokine (e.g., cytokine (e.g., Th1, Th2 or Th17 type cytokines) or chemokine) expression or secretion, macrophage activation, dendritic cell activation, T cell (e.g., CD4+ or CD8+ T cell) activation, NK cell activation, B cell activation (e.g., antibody generation and/or secretion), binding of an immunogen (e.g., antigen (e.g., immunogenic polypolypeptide)) to an MHC molecule, induction of a cytotoxic T lymphocyte (“CTL”) response, induction of a B cell response (e.g., antibody production), and, expansion (e.g., growth of a population of cells) of cells of the immune system (e.g., T cells and B cells), and increased processing and presentation of antigen by antigen presenting cells. The term “ ” also encompasses any detectable response to a particular substance (such as an antigen or immunogen) by one or more components of the immune system of a vertebrate animal in vitro. 
     An “antigen presenting cell” is any of a variety of cells capable of displaying, acquiring, or presenting at least one antigen or antigenic fragment on (or at) its cell surface. 
     A “dendritic cell” (DC) is an antigen presenting cell existing in vivo, in vitro, ex vivo, or in a host or subject, or which can be derived from a hematopoietic stem cell or a monocyte. Dendritic cells and their precursors can be isolated from a variety of lymphoid organs, e.g., spleen, lymph nodes, as well as from bone marrow and peripheral blood. The DC has a characteristic morphology with thin sheets (lamellipodia) extending in multiple directions away from the dendritic cell body. Typically, dendritic cells express high levels of MHC and costimulatory (e.g., B7-1 and B7-2) molecules. Dendritic cells can induce antigen specific differentiation of T cells in vitro, and are able to initiate primary T cell responses in vitro and in vivo. Dendritic cells and T cells develop from hematopoietic stem cells along divergent “differentiation pathways.” A differentiation pathway describes a series of cellular transformations undergone by developing cells in a specific lineage. T cells differentiate from lymphopoietic precursors, whereas DC differentiate from precursors of the monocytemacrophage lineage. 
     “Cytokines” are protein or glycoprotein signaling molecules involved in the regulation of cellular proliferation and differentiation. Cytokines involved in differentiation and regulation of cells of the immune system include various structurally related or unrelated lymphokines (e.g., granulocyte-macrophage colony stimulating factor (GM-CSF), interferons (IFNs)) and interleukins (IL-1, IL-2, etc.) 
     A “polynucleotide sequence” is a nucleic acid (which is a polymer of nucleotides (A,C,T,U,G, etc. or naturally occurring or artificial nucleotide analogues) or a character string representing a nucleic acid, depending on context. Either the given nucleic acid or the complementary nucleic acid can be determined from any specified polynucleotide sequence. 
     An “amino acid sequence” is a polymer of amino acids (a protein, polypeptide, etc.) or a character string representing an amino acid polymer, depending on context. Either the given nucleic acid or the complementary nucleic acid can be determined from any specified polynucleotide sequence. 
     An “antigen” is a substance which can induce an immune response in a host or subject, such as a mammal. Such an antigenic substance is typically capable of eliciting the formation of antibodies in a host or subject or generating a specific population of lymphocytes reactive with that substance. Antigens are typically macromolecules (e.g., proteins, peptides, or fragments thereof; polysaccharides or fragments thereof) that are foreign to the host. A protein antigen or peptide antigen, or fragment thereof may be termed “antigenic protein” or “antigenic peptide,” respectively.” A fragment of an antigen is termed an “antigenic fragment.” An antigenic fragment has antigenic properties and can induce an immune response as described above. 
     An “immunogen” refers to a substance that is capable of provoking an immune response. Examples of immunogens include, e.g., antigens, autoantigens that play a role in induction of autoimmune diseases, and tumor-associated antigens expressed on cancer cells. 
     The term “immunoassay” includes an assay that uses an antibody or immunogen to bind or specifically bind an antigen. The immunoassay is typically characterized by the use of specific binding properties of a particular antibody to isolate, target, and/or quantify the antigen. 
     A vector is a composition or component for facilitating cell transduction by a selected nucleic acid, or expression of the nucleic acid in the cell. Vectors include, e.g., plasmids, cosmids, viruses, YACs, bacteria, poly-lysine, etc. An “expression vector” is a nucleic acid construct, generated recombinantly or synthetically, with a series of specific nucleic acid elements that permit transcription of a particular nucleic acid in a host cell. The expression vector can be part of a plasmid, virus, or nucleic acid fragment. The expression vector typically includes a nucleic acid to be transcribed operably linked to a promoter. 
     An “epitope” is that portion or fragment of an antigen, the conformation of which is recognized and bound by a T cell receptor or by an antibody. 
     A “target cell” is a cell which expresses an antigenic protein or peptide or fragment thereof on a MHC molecule on its surface. T cells recognize such antigenic peptides bound to MUC molecules killing the target cell, either directly by cell lysis or by releasing cytokines which recruit other immune effector cells to the site. 
     An “exogenous antigen” is an antigen not produced by a particular cell. For example, and exogenous antigen can be a protein or other polypeptide not produced by the cell that can be internalized and processed by antigen presenting cells for presentation on the cell surface. Alternatively, exogenous antigens (e.g., peptides) can be externally loaded onto MHC molecules for presentation to T cells. 
     An “exogenous” gene or “transgene” is a gene foreign (or heterologous) to the cell, or homologous to the cell, but in a position within the host cell nucleic acid in which the genetic element is not ordinarily found. Exogenous genes can be expressed to yield exogenous polypeptides. A “transgenic” organism is one which has a transgene introduced into its genome. Such an organism is either an animal or a plant. 
     The term “T cell” is also referred to as T lymphocyte, and means a cell derived from thymus among lymphocytes involved in an immune response. The T cell includes any of a CD8-positive T cell (cytotoxic T cell: CTL), a CD4-positive T cell (helper T cell), a suppressor T cell, a regulatory T cell such as a controlling T cell, an effector cell, a naive T cell, a memory T cell, an .alpha..beta.T cell expressing TCR.alpha. and .beta. chains, and a .gamma..delta.T cell expressing TCR.gamma. and .delta. chains. The T cell includes a precursor cell of a T cell in which differentiation into a T cell is directed. Examples of “cell populations containing T cells” include, in addition to body fluids such as blood (peripheral blood, umbilical blood etc.) and bone marrow fluids, cell populations containing peripheral blood mononuclear cells (PBMC), hematopoietic cells, hematopoietic stem cells, umbilical blood mononuclear cells etc., which have been collected, isolated, purified or induced from the body fluids. Further, a variety of cell populations containing T cells and derived from hematopoietic cells can be used in the present invention. These cells may have been activated by cytokine such as IL-2 in vivo or ex vivo. As these cells, any of cells collected from a living body, or cells obtained via ex vivo culture, for example, a T cell population obtained by the method of the present invention as it is, or obtained by freeze preservation, can be used. The term “antibody” is meant to include both intact molecules as well as fragments thereof that include the antigen-binding site. Whole antibody structure is often given as H.sub.2L.sub.2 and refers to the fact that antibodies commonly comprise 2 light (L) amino acid chains and 2 heavy (H) amino acid chains. Both chains have regions capable of interacting with a structurally complementary antigenic target. The regions interacting with the target are referred to as “variable” or “V” regions and are characterized by differences in amino acid sequence from antibodies of different antigenic specificity. The variable regions of either H or L chains contains the amino acid sequences capable of specifically binding to antigenic targets. Within these sequences are smaller sequences dubbed “hypervariable” because of their extreme variability between antibodies of differing specificity. Such hypervariable regions are also referred to as “complementarity determining regions” or “CDR” regions. These CDR regions account for the basic specificity of the antibody for a particular antigenic determinant structure. The CDRs represent non-contiguous stretches of amino acids within the variable regions but, regardless of species, the positional locations of these critical amino acid sequences within the variable heavy and light chain regions have been found to have similar locations within the amino acid sequences of the variable chains. The variable heavy and light chains of all antibodies each have 3 CDR regions, each non-contiguous with the others (termed L1, L2, L3, H1, H2, H3) for the respective light (L) and heavy (H) chains. The antibodies disclosed according to the invention may also be wholly synthetic, wherein the polypeptide chains of the antibodies are synthesized and, possibly, optimized for binding to the polypeptides disclosed herein as being receptors. Such antibodies may be chimeric or humanized antibodies and may be fully tetrameric in structure, or may be dimeric and comprise only a single heavy and a single light chain. The term “effective amount” or “therapeutically effective amount” means a dosage sufficient to treat, inhibit, or alleviate one or more symptoms of a disease state being treated or to otherwise provide a desired pharmacologic and/or physiologic effect, especially enhancing T cell response to a selected antigen. The precise dosage will vary according to a variety of factors such as subject-dependent variables (e.g., age, immune system health, etc.), the disease, and the treatment being administered. The terms “individual”, “host”, “subject”, and “patient” are used interchangeably herein, and refer to a mammal, including, but not limited to, primates, for example, human beings, as well as rodents, such as mice and rats, and other laboratory animals. 
     The term “treatment regimen” refers to a treatment of a disease or a method for achieving a desired physiological change, such as increased or decreased response of the immune system to an antigen or immunogen, such as an increase or decrease in the number or activity of one or more cells, or cell types, that are involved in such response, wherein said treatment or method comprises administering to an animal, such as a mammal, especially a human being, a sufficient amount of two or more chemical agents or components of said regimen to effectively treat a disease or to produce said physiological change, wherein said chemical agents or components are administered together, such as part of the same composition, or administered separately and independently at the same time or at different times (i.e., administration of each agent or component is separated by a finite period of time from one or more of the agents or components) and where administration of said one or more agents or components achieves a result greater than that of any of said agents or components when administered alone or in isolation. 
     The term “anergy” and “unresponsiveness” includes unresponsiveness to an immune cell to stimulation, for example, stimulation by an activation receptor or cytokine. The anergy may occur due to, for example, exposure to an immune suppressor or exposure to an antigen in a high dose. Such anergy is generally antigen-specific, and continues even after completion of exposure to a tolerized antigen. For example, the anergy in a T cell and/or NK cell is characterized by failure of production of cytokine, for example, interleukin (IL)-2. The T cell anergy and/or NK cell anergy occurs in part when a first signal (signal via TCR or CD-3) is received in the absence of a second signal (costimulatory signal) upon exposure of a T cell and/or NK cell to an antigen. The term “enhanced function of a T cell”, “enhanced cytotoxicity” and “augmented activity” means that the effector function of the T cell and/or NK cell is improved. The enhanced function of the T cell and/or NK cell, which does not limit the present invention, includes an improvement in the proliferation rate of the T cell and/or NK cell, an increase in the production amount of cytokine, or an improvement in cytotoxity. Further, the enhanced function of the T cell and/or NK cell includes cancellation and suppression of tolerance of the T cell and/or NK cell in the suppressed state such as the anergy (unresponsive) state, or the rest state, that is, transfer of the T cell and/or NK cell from the suppressed state into the state where the T cell and/or NK cell responds to stimulation from the outside. 
     The term “expression” means generation of mRNA by transcription from nucleic acids such as genes, polynucleotides, and oligonucleotides, or generation of a protein or a polypeptide by transcription from mRNA. Expression may be detected by means including RT-PCR, Northern Blot, or in situ hybridization, “Suppression of expression” refers to a decrease of a transcription product or a translation product in a significant amount as compared with the case of no suppression. The suppression of expression herein shows, for example, a decrease of a transcription product or a translation product in an amount of 30% or more, preferably 50% or more, more preferably 70% or more, and further preferably 90% or more. 
     In one embodiment of the invention, immunization to viruses of the same type the patient is suffering from is provided prior to cytotoxic, or immunogenic cell death induction of the virus. Immunization of the patient may be performed using known means in the art, using suitable adjuvants. Assessment of immunity is performed by quantifying reactivity of T cells or B cells in response to protein antigens or derivatives thereof, derivatives including peptide antigens or other antigenic epitopes. Responses may be assessed in terms of proliferative responses, cytokine release, antibody responses, or generation of cytotoxic T cells. Methods of assessing said responses are well known in the art. In a preferred embodiment, antibody responses are assessed to a panel of virus associated proteins subsequent to immunization of patient. Antibody responses are utilized to guide which peptides will be utilized for prior immunization. For example, if a patient is immunized with viral antigen on a weekly basis, the subsequent assessment of antibody responses is performed at approximately 1-3 months after initiation of immunization. Protocols for immunization include weekly, biweekly, or monthly. Assessment of antibody responses is performed utilizing standard enzyme linked immunosorbent (ELISA) assay. 
     “Transfection” refers to the process by which an exogenous DNA sequence is introduced into a eukaryotic host cell. Transfection (or transduction) can be achieved by any one of a number of means including electroporation, microinjection, gene gun delivery, retroviral infection, lipofection, superfection and the like. A “parental” cell, or organism, is an untransfected member of the host species giving rise to a transgenic cell, or organism. 
     The term “subject” or “host” as used herein includes, but is not limited to, an organism or animal; a mammal, including, e.g., a human, non-human primate (e.g., monkey), mouse, pig, cow, goat, rabbit, rat, guinea pig, hamster, horse, monkey, sheep, or other non-human mammal; a non-mammal, including, e.g., a non-mammalian vertebrate, such as a bird (e.g., a chicken or duck) or a fish, and a non-mammalian invertebrate. 
     The term “pharmaceutical composition” means a composition suitable for pharmaceutical use in a subject, including an animal or human. A pharmaceutical composition generally comprises an effective amount of an active agent and a pharmaceutically acceptable carrier. 
     The term “effective amount” means a dosage or amount sufficient to produce a desired result. The desired result may comprise an objective or subjective improvement in the recipient of the dosage or amount. 
     A “prophylactic treatment” is a treatment administered to a subject who does not display signs or symptoms of a disease, pathology, or medical disorder, or displays only early signs or symptoms of a disease, pathology, or disorder, such that treatment is administered for the purpose of diminishing, preventing, or decreasing the risk of developing the disease, pathology, or medical disorder. A prophylactic treatment functions as a preventative treatment against a disease or disorder. A “prophylactic activity” is an activity of an agent, such as a nucleic acid, vector, gene, polypeptide, protein, antigen or portion or fragment thereof, substance, or composition thereof that, when administered to a subject who does not display signs or symptoms of pathology, disease or disorder, or who displays only early signs or symptoms of pathology, disease, or disorder, diminishes, prevents, or decreases the risk of the subject developing a pathology, disease, or disorder. A “prophylactically useful” agent or compound (e.g., nucleic acid or polypeptide) refers to an agent or compound that is useful in diminishing, preventing, treating, or decreasing development of pathology, disease or disorder. 
     A “therapeutic treatment” is a treatment administered to a subject who displays symptoms or signs of pathology, disease, or disorder, in which treatment is administered to the subject for the purpose of diminishing or eliminating those signs or symptoms of pathology, disease, or disorder. A “therapeutic activity” is an activity of an agent, such as a nucleic acid, vector, gene, polypeptide, protein, antigen or portion or fragment thereof, substance, or composition thereof, that eliminates or diminishes signs or symptoms of pathology, disease or disorder, when administered to a subject suffering from such signs or symptoms. A “therapeutically useful” agent or compound (e.g., nucleic acid or polypeptide) indicates that an agent or compound is useful in diminishing, treating, or eliminating such signs or symptoms of a pathology, disease or disorder. 
     In one embodiment, the invention provides methods for use of newly differentiated dendritic cells as a means of immune stimulation in a patient suffering from cancer. The differentiation of mononuclear cells or monocytes, particularly monocytes derived from peripheral blood or bone marrow, into dendritic cells is known in the art. In one embodiment, cells are treated with/or cultured in interleukin-4 (IL-4), granulocyte macrophage colony stimulating factor (GM-CSF), and a culture medium supplemented with insulin, transferrin, and various lipids, including linoleic acid, oleic acid, and palmitic acid. In some embodiments, the dendritic cells described in the invention are pretreated with hypoxia to enhance migration activity as comparted to conventional dendritic cells which do not possess as efficient migrational activity. That said, conventional dendritic cells may also be utilized within the scope of the invention, in which said cells are administered in a manner to activate innate and/or adaptive immunity to SARS-CoV-2. In one embodiment, the monocytic cells are cultured in a culture medium containing Iscove&#39;s modified Dulbecco&#39;s medium (IMDM). In some such embodiments, the IMDM is further supplemented with insulin, human transferrin, linoleic acid, oleic acid, palmitic acid, bovine serum albumin, and 2-amino ethanol. The medium may also be supplemented with IL-4 and GM-CSF (granulocyte-macrophage colony stimulating factor). In a preferred embodiment, the culture medium is Yssel&#39;s medium. According to the skill of one specialized in the art, modifications may be made, for example, such media may also be supplemented with fetal bovine serum, glutamine, penicillin, and streptomycin. 
     In one embodiment of the invention, the monocytes used for the practice of the invention re derived from a human or non-human animal by using various methods, e.g., by leukopharesis or bone marrow aspiration. In some embodiments, a source of monocytes is depleted of alternative cell types by negative depletion of T, B and NK (natural killer) cells from density gradient preparations of mononuclear cells. In one embodiment, mononuclear cells are derived from buffy coat preparations of peripheral blood. In a preferred embodiment, depletion of T, B, and NK cells is performed using immunomagnetic beads. The invention further provides methods for the maturation of dendritic cells in a comprising culturing the dendritic cells in medium containing various activation signals such as toll like receptor agonists, anti-CD40 monoclonal antibody (mAb) and various inflammatory conditions. In some embodiments dendritic cells are pulsed with SARS-CoV-2 peptide and/or viral lysates to induce immunity. 
     In some embodiments, the DC of the invention are transfected with exogenous DNA molecules which encode one or more antigens, thereby producing DC which preferentially present one or more antigens of interest. Alternatively, at least one antigen may be externally loaded by supplying the DC cell with a source of exogenous peptide. In addition, the invention provides for methods for inducing an immune response in a subject, comprising administering an antigen presenting cell which activates innate immunity. The invention also provides for cell cultures containing monocytes, dendritic cells, and/or partially differentiated cells committed to a monocyte-dendritic cell differentiation pathway. In a preferred embodiment, any or all of these cells are present in Yssel&#39;s medium supplemented with IL-4 and GM-CSF. 
     In one embodiment, the invention was developed to address multiple aspects of the immune system in order to augment possibility of increasing overall survival of a patient suffering from cancer. Specifically, it is known from studies of immune modulators that recruitment of multiple arms of the immune system associates with increased efficacy. For example, it is known that natural killer cells play an important role in immune destruction of viruses [1-7]. A clinical trial demonstrated that patients who possess elevated levels of natural killer cell inhibitory proteins (soluble NKG2D ligands) demonstrated lower responses to checkpoint inhibitors [8]. Indeed this should not be surprising since studies show that NK cell infiltration of tumors induces upregulation of antigen presentation in an interferon gamma associated manner, which renders tumor cells sensitive to T cell killing [9]. This patent covers, in part, the application of checkpoint inhibitors together with dendritic cells and/or NK cell therapy for induction of immunological responses to SARS-CoV-2. Another example of the potency of combining immunotherapies is the example of Herceptin, in which approximately 1 out of 4 patients with the HER2neu antigen respond to treating. Interestingly it was found that lack of responsiveness correlates with inhibited NK cell activity [10-12]. Indeed, animal experiments demonstrate augmentation of Herceptin activity by stimulators of NK cells such as Poly (IC) and IL-12 [13, 14]. The current invention aims to integrate the main arms of the immune system so as to achieve a synergistic induction of anticancer immunity. Accordingly, the invention provides the utilization of dendritic cells with or without NK cells as adjuvants for various therapies clinically utilized against cancer. including vaccines, sera from patients who have entered remission, ivermectin, hydoxychloroquine, remdesivir, and other agents known in the art. 
     In one embodiment of the invention, immune modulatory agents are administered together with dendritic cells in order to enhance immune activation. In this particular embodiment, allogeneic dendritic cells are utilized. In one specific means of practicing the invention, allogeneic dendritic cells are generated from cord blood. Together with allogeneic dendritic cells, various immune modulators, listed below, may be utilized: aid agents are known in the art and include 20-epi-1,25 dihydroxyvitamin D3; 5-ethynyluracil; abiraterone; aclarubicin; acylfulvene; adecypenol; adozelesin; aldesleukin; ALL-TK antagonists; altretamine; ambamustine; amidox; amifostine; aminolevulinic acid; amrubicin; amsacrine; anagrelide; anastrozole; andrographolide; angiogenesis inhibitors; antagonist D; antagonist G; antarelix; anti-dorsalizing morphogenetic protein-1; antiandrogen, prostatic carcinoma; antiestrogen; antineoplaston; antisense oligonucleotides; aphidicolin glycinate; apoptosis gene modulators; apoptosis regulators; apurinic acid; ara-CDP-DL-PTBA; arginine deaminase; asulacrine; atamestane; atrimustine; axinastatin 1; axinastatin 2; axinastatin 3; azasetron; azatoxin; azatyrosine; baccatin III derivatives; balanol; batimastat; BCR/ABL antagonists; benzochlorins; benzoylstaurosporine; beta lactam derivatives; beta-alethine; betaclamycin B; betulinic acid; bFGF inhibitor; bicalutamide; bisantrene; bisaziridinylspermine; bisnafide; bistratene A; bizelesin; breflate; bropirimine; budotitane; buthionine sulfoximine; calcipotriol; calphostin C; camptothecin derivatives; canarypox IL-2; capecitabine; carboxamide-amino-triazole; carboxyamidotriazole; CaRest M3; CARN 700; cartilage derived inhibitor; carzelesin; casein kinase inhibitors (ICOS); castanospermine; cecropin B; cetrorelix; chlorins; chloroquinoxaline sulfonamide; cicaprost; cis-porphyrin; cladribine; clomifene analogues; clotrimazole; collismycin A; collismycin B; combretastatin A4; combretastatin analogue; conagenin; crambescidin 816; crisnatol; cryptophycin 8; cryptophycin A derivatives; curacin A; cyclopentanthraquinones; cycloplatam; cypemycin; cytarabine ocfosfate; cytolytic factor; cytostatin; dacliximab; decitabine; dehydrodidemnin B; deslorelin; dexamethasone; dexifosfamide; dexrazoxane; dexverapamil; diaziquone; didemnin B; didox; diethylnorspermine; dihydro-5-azacytidine; dihydrotaxol, 9-; dioxamycin; diphenyl spiromustine; docetaxel; docosanol; dolasetron; doxifluridine; droloxifene; dronabinol; duocarmycin SA; ebselen; ecomustine; edelfosine; edrecolomab; eflornithine; elemene; emitefur; epirubicin; epristeride; estramustine analogue; estrogen agonists; estrogen antagonists; etanidazole; etoposide phosphate; exemestane; fadrozole; fazarabine; fenretinide; filgrastim; finasteride; flavopiridol; flezelastine; fluasterone; fludarabine; fluorodaunorunicin hydrochloride; forfenimex; formestane; fostriecin; fotemustine; gadolinium texaphyrin; gallium nitrate; galocitabine; ganirelix; gelatinase inhibitors; gemcitabine; glutathione inhibitors; hepsulfam; heregulin; hexamethylene bisacetamide; hypericin; ibandronic acid; idarubicin; idoxifene; idramantone; ilmofosine; ilomastat; imidazoacridones; imiquimod; immunostimulant peptides; insulin-like growth factor-1 receptor inhibitor; interferon agonists; interferons; interleukins; iobenguane; iododoxorubicin; ipomeanol, 4-; iroplact; irsogladine; isobengazole; isohomohalicondrin B; itasetron; jasplakinolide; kahalalide F; lamellarin-N triacetate; lanreotide; leinamycin; lenograstim; lentinan sulfate; leptolstatin; letrozole; leukemia inhibiting factor; leukocyte alpha interferon; leuprolide+estrogen+progesterone; leuprorelin; levamisole; liarozole; linear polyamine analogue; lipophilic disaccharide peptide; lipophilic platinum compounds; lissoclinamide 7; lobaplatin; lombricine; lometrexol; lonidamine; losoxantrone; lovastatin; loxoribine; lurtotecan; lutetium texaphyrin; lysofylline; lytic peptides; maitansine; mannostatin A; marimastat; masoprocol; maspin; matrilysin inhibitors; matrix metalloproteinase inhibitors; menogaril; merbarone; meterelin; methioninase; metoclopramide; MIF inhibitor; mifepristone; miltefosine; mirimostim; mismatched double stranded RNA; mitoguazone; mitolactol; mitomycin analogues; mitonafide; mitotoxin fibroblast growth factor-saporin; mitoxantrone; mofarotene; molgramostim; monoclonal antibody, human chorionic gonadotrophin; monophosphoryl lipid A+myobacterium cell wall sk; mopidamol; multiple drug resistance gene inhibitor; multiple tumor suppressor 1-based therapy; mustard anti-cancer agent; mycaperoxide B; mycobacterial cell wall extract; myriaporone; N-acetyldinaline; N-substituted benzamides; nafarelin; nagrestip; naloxone+pentazocine; napavin; naphterpin; nartograstim; nedaplatin; nemorubicin; neridronic acid; neutral endopeptidase; nilutamide; nisamycin; nitric oxide modulators; nitroxide antioxidant; nitrullyn; O6-benzylguanine; octreotide; okicenone; oligonucleotides; onapristone; ondansetron; ondansetron; oracin; oral cytokine inducer; ormaplatin; osaterone; oxaliplatin; oxaunomycin; paclitaxel; paclitaxel analogues; paclitaxel derivatives; palauamine; palmitoylrhizoxin; pamidronic acid; panaxytriol; panomifene; parabactin; pazelliptine; pegaspargase; peldesine; pentosan polysulfate sodium; pentostatin; pentrozole; perflubron; perfosfamide; perillyl alcohol; phenazinomycin; phenylacetate; phosphatase inhibitors; picibanil; pilocarpine hydrochloride; pirarubicin; piritrexim; placetin A; placetin B; plasminogen activator inhibitor; platinum complex; platinum compounds; platinum-triamine complex; porfimer sodium; porfiromycin; prednisone; propyl bis-acridone; prostaglandin J2; proteasome inhibitors; protein A-based immune modulator; protein kinase C inhibitor; protein kinase C inhibitors, microalgal; protein tyrosine phosphatase inhibitors; purine nucleoside phosphorylase inhibitors; purpurins; pyrazoloacridine; pyridoxylated hemoglobin polyoxyethylene conjugate; raf antagonists; raltitrexed; ramosetron; ras farnesyl protein transferase inhibitors; ras inhibitors; ras-GAP inhibitor; retelliptine demethylated; rhenium Re 186 etidronate; rhizoxin; ribozymes; RII retinamide; rogletimide; rohitukine; romurtide; roquinimex; rubiginone B1; ruboxyl; safingol; saintopin; SarCNU; sarcophytol A; sargramostim; Sdi 1 mimetics; semustine; senescence derived inhibitor 1; sense oligonucleotides; signal transduction inhibitors; signal transduction modulators; single chain antigen binding protein; sizofiran; sobuzoxane; sodium borocaptate; sodium phenylacetate; solverol; somatomedin binding protein; sonermin; sparfosic acid; spicamycin D; spiromustine; splenopentin; spongistatin 1; squalamine; stem cell inhibitor; stem-cell division inhibitors; stipiamide; stromelysin inhibitors; sulfinosine; superactive vasoactive intestinal peptide antagonist; suradista; suramin; swainsonine; synthetic glycosaminoglycans; tallimustine; tamoxifen methiodide; tauromustine; tazarotene; tecogalan sodium; tegafur; tellurapyrylium; telomerase inhibitors; temoporfin; temozolomide; teniposide; tetrachlorodecaoxide; tetrazomine; thaliblastine; thiocoraline; thrombopoietin; thrombopoietin mimetic; thymalfasin; thymopoietin receptor agonist; thymotrinan; thyroid stimulating hormone; tin ethyl etiopurpurin; tirapazamine; titanocene bichloride; topsentin; toremifene; totipotent stem cell factor; translation inhibitors; tretinoin; triacetyluridine; triciribine; trimetrexate; triptorelin; tropisetron; turosteride; tyrosine kinase inhibitors; tyrphostins; UBC inhibitors; ubenimex; urogenital sinus-derived growth inhibitory factor; urokinase receptor antagonists; vapreotide; variolin B; vector system, erythrocyte gene therapy; velaresol; veramine; verdins; verteporfin; vinorelbine; vinxaltine; vitaxin; vorozole; zanoterone; zeniplatin; zilascorb; and zinostatin stimalamer. 
     In some embodiments of the invention, natural killer cells are provided having reduced or absent checkpoint inhibitory receptor function, which have been cultured to express low levels of these molecules, or they have been manipulated through means known in the art such as induction of RNA interference, utilization of antisense oligonucleotides, administration of ribozymes, or used of gene editing. Preferably, these receptors are specific checkpoint inhibitory receptors. Preferably still, these checkpoint inhibitory receptors are one or more or all of CD96 (TACTILE), CD152 (CTLA4), CD223 (LAG-3), CD279 (PD-1), CD328 (SIGLEC7), SIGLEC9, TIGIT and/or TIM-3. In other embodiments, NK cells are provided in which one or more inhibitory receptor signaling pathways are knocked out or exhibit reduced function—the result again being reduced or absent inhibitory receptor function. For example, signaling pathways mediated by SHP-1, SHP-2 and/or SHIP are knocked out by genetic modification of the cells. The resulting NK cells exhibit improved cytotoxicity and are of greater use therefore in cancer therapy, especially blood cancer therapy, in particular treatment of leukemias and multiple myeloma. 
     For killing of coronavirus, and/or for the stimulation of immunity against said coronavirus, NK cells are generated which possess enhanced therapeutic activity. In an embodiment, the genetic modification of the NK cells occurs before the cell has differentiated into an NK cell. For example, pluripotent stem cells (e.g. iPSCs) can be genetically modified to lose the capacity to express one or more checkpoint inhibitory receptors. The modified iPSCs are then differentiated to produce genetically modified NK cells with increased cytotoxicity. The same can be performed for hemapoietic stem cells, in which they can be gene edited to lack expression of immune inhibitory genes. It is preferred to reduce function of checkpoint inhibitory receptors over other inhibitory receptors, due to the expression of the former following NK cell activation. The normal or ‘classical’ inhibitory receptors, such as the majority of the KIR family, NKG2A and LIR-2, bind MHC class I and are therefore primarily involved in reducing the problem of self-targeting. Preferably, therefore, checkpoint inhibitory receptors are knocked out. Reduced or absent function of these receptors according to the invention prevents cancer cells from suppressing immune effector function (which might otherwise occur if the receptors were fully functional). Thus a key advantage of these embodiments of the invention lies in NK cells that are less susceptible to suppression of their cytotoxic activities by cancer cells; as a result they are useful in cancer treatment. As used herein, references to inhibitory receptors generally refer to a receptor expressed on the plasma membrane of an immune effector cell, e.g. a NK cell, whereupon binding its complementary ligand resulting intracellular signals are responsible for reducing the cytotoxicity of said immune effector cell. These inhibitory receptors are expressed during both ‘resting’ and ‘activated’ states of the immune effector cell and are often associated with providing the immune system with a ‘self-tolerance’ mechanism that inhibits cytotoxic responses against cells and tissues of the body. An example is the inhibitory receptor family ‘KIR’ which are expressed on NK cells and recognize MHC class I expressed on healthy cells of the body. Also as used herein, checkpoint inhibitory receptors are usually regarded as a subset of the inhibitory receptors above. Unlike other inhibitory receptors, however, checkpoint inhibitory receptors are expressed at higher levels during prolonged activation and cytotoxicity of an immune effector cell, e.g. a NK cell. This phenomenon is useful for dampening chronic cytotoxicity at, for example, sites of inflammation. Examples include the checkpoint inhibitory receptors PD-1, CTLA-4 and CD96, all of which are expressed on NK cells. The invention hence also provides a virus killing NK cell lacking a gene encoding a checkpoint inhibitory receptor selected from CD96 (TACTILE), CD152 (CTLA4), CD223 (LAG-3), CD279 (PD-1), CD328 (SIGLEC7), SIGLEC9, TIGIT and TIM-3. Said virus killing NK cell lacking a gene can refer to either a full or partial deletion, mutation or otherwise that results in no functional gene product being expressed. In embodiments, the NK cell lacks genes encoding two or more of the inhibitory receptors. 
     Combination of polyvalent vaccines with other cellular therapies as the initial poly-immunogenic composition is envisioned within the context of the invention. In one embodiment cellular lysates of virus and/or virally infected cells are loaded into dendritic cells. In one embodiment the invention provides a means of generating a population of cells with viral killing ability that are polyvalently reactive, to which focus is added by subsequent peptide specific vaccination. The generation of cytotoxic lymphocytes may be performed, in one embodiment by extracted 50 ml of peripheral blood from a cancer patient and peripheral blood mononuclear cells (PBMC) are isolated using the Ficoll Method. PBMC are subsequently resuspended in 10 ml AIM-V media and allowed to adhere onto a plastic surface for 2-4 hours. The adherent cells are then cultured at 37° C. in AIM-V media supplemented with 1,000 U/mL granulocyte-monocyte colony-stimulating factor and 500 U/mL IL-4 after non-adherent cells are removed by gentle washing in Hanks Buffered Saline Solution (HBSS). Half of the volume of the GM-CSF and IL-4 supplemented media is changed every other day. Immature DCs are harvested on day 7. In one embodiment said generated DC are used to stimulate T cell and NK cell viral killing activity by pulsing with autologous viral lysate. Specifically, generated DC may be further purified from culture through use of flow cytometry sorting or magnetic activated cell sorting (MACS), or may be utilized as a semi-pure population. DC pulsed with viral epitopes or lysate may be added into said patient in need of therapy with the concept of stimulating NK and T cell activity in vivo, or in another embodiment may be incubated in vitro with a population of cells containing T cells and/or NK cells. In one embodiment DC are exposed to agents capable of stimulating maturation in vitro and rendering them resistant to virally-derived inhibitory compounds such as arginase byproducts. Specific means of stimulating in vitro maturation include culturing DC or DC containing populations with a toll like receptor agonist. Another means of achieving DC maturation involves exposure of DC to TNF-alpha at a concentration of approximately 20 ng/mL. In order to activate T cells and/or NK cells in vitro, cells are cultured in media containing approximately 1000 IU/ml of interferon gamma. Incubation with interferon gamma may be performed for the period of 2 hours to the period of 7 days. Preferably, incubation is performed for approximately 24 hours, after which T cells and/or NK cells are stimulated via the CD3 and CD28 receptors. One means of accomplishing this is by addition of antibodies capable of activating these receptors. In one embodiment approximately, 2 ug/ml of anti-CD3 antibody is added, together with approximately 1 ug/ml anti-CD28. In order to promote survival of T cells and NK cells, was well as to stimulate proliferation, a T cell/NK mitogen may be used. In one embodiment the cytokine IL-2 is utilized. Specific concentrations of IL-2 useful for the practice of the invention are approximately 500 u/mL IL-2. Media containing IL-2 and antibodies may be changed every 48 hours for approximately 8-14 days. In one particular embodiment DC are included to said T cells and/or NK cells in order to endow cytotoxic activity towards virally infected cells. In a particular embodiment, inhibitors of caspases are added in the culture so as to reduce rate of apoptosis of T cells and/or NK cells. Generated cells can be administered to a subject intradermally, intramuscularly, subcutaneously, intraperitoneally, intraarterially, intravenously (including a method performed by an indwelling catheter), or into an afferent lymph vessel. The immune response of the patient treated with these cytotoxic cells is assessed utilizing a variety of antigens found in virally infected cells. When cytotoxic or antibody, or antibody associated with complement fixation are recognized to be upregulated in the cancer patient, subsequent immunizations are performed utilizing peptides to induce a focusing of the immune response. 
     In another embodiment DC are generated from leukocytes of patients by leukopheresis. Numerous means of leukopheresis are known in the art. In one example, a Frenius Device (Fresenius Com.Tec) is utilized with the use of the MNC program, at approximately 1500 rpm, and with a P1Y kit. The plasma pump flow rates are adjusted to approximately 50 mL/min. Various anticoagulants may be used, for example ACD-A. The Inlet/ACD Ratio may be ranged from approximately 10:1 to 16:1. In one embodiment approximately 150 mL of blood is processed. The leukopheresis product is subsequently used for initiation of dendritic cell culture. In order to generates a peripheral blood mononuclear cells from leukopheresis product, mononuclear cells are isolated by the Ficoll-Hypaque density gradient centrifugation. Monocytes are then enriched by the Percoll hyperosmotic density gradient centrifugation followed by two hours of adherence to the plate culture. Cells are then centrifuged at 500 g to separate the different cell populations. Adherent monocytes are cultured for 7 days in 6-well plates at 2×106 cells/mL RMPI medium with 1% penicillin/streptomycin, 2 mM L-glutamine, 10% of autologous, 50 ng/mL GM-CSF and 30 ng/mL IL-4. On day 6 immature dendritic cells are pulsed with viral antigen. Pulsing may be performed by incubation of lysates with dendritic cells, or may be generated by fusion of immature dendritic cells with virally infected cells. Means of generating hybridomas or cellular fusion products are known in the art and include electrical pulse mediated fusion, or stimulation of cellular fusion by treatment with polyethelyne glycol. On day 7, the immature DCs are then induced to differentiate into mature DCs by culturing for 48 hours with 30 ng/mL interferon gamma (IFN-γ). During the course of generating DC for clinical purposes, microbiologic monitoring tests are performed at the beginning of the culture, on the fifth day and at the time of cell freezing for further use or prior to release of the dendritic cells. Administration of viral pulsed dendritic cells is utilized as a polyvalent vaccine, whereas subsequent to administration antibody or t cell responses are assessed for induction of antigen specificity, peptides corresponding to immune response stimulated are used for further immunization to focus the immune response. 
     In some embodiments, culture of the immune effectors cells is performed after extracting from a patient that has been immunized with a polyvalent antigenic preparation. Specifically separating the cell population and cell sub-population containing a T cell can be performed, for example, by fractionation of a mononuclear cell fraction by density gradient centrifugation, or a separation means using the surface marker of the T cell as an index. Subsequently, isolation based on surface markers may be performed. Examples of the surface marker include CD3, CD8 and CD4, and separation methods depending on these surface markers are known in the art. For example, the step can be performed by mixing a carrier such as beads or a culturing container on which an anti-CD8 antibody has been immobilized, with a cell population containing a T cell, and recovering a CD8-positive T cell bound to the carrier. As the beads on which an anti-CD8 antibody has been immobilized, for example, CD8 MicroBeads), Dynabeads M450 CD8, and Eligix anti-CD8 mAb coated nickel particles can be suitably used. This is also the same as in implementation using CD4 as an index and, for example, CD4 MicroBeads, Dynabeads M-450 CD4 can also be used. In some embodiments of the invention, T regulatory cells are depleted before initiation of the culture. Depletion of T regulatory cells may be performed by negative selection by removing cells that express makers such as neuropilin, CD25, CD4, CTLA4, and membrane bound TGF-beta. Experimentation by one of skill in the art may be performed with different culture conditions in order to generate effector lymphocytes, or cytotoxic cells, that possess both maximal activity in terms of viral killing. For example, the step of culturing the cell population and cell sub-population containing a T cell can be performed by selecting suitable known culturing conditions depending on the cell population. In addition, in the step of stimulating the cell population, known proteins and chemical ingredients, etc., may be added to the medium to perform culturing. For example, cytokines, chemokines or other ingredients may be added to the medium. Herein, the cytokine is not particularly limited as far as it can act on the T cell, and examples thereof include IL-2, IFN-.gamma., transforming growth factor (TGF)-.beta., IL-15, IL-7, IFN-.alpha., IL-12, CD40L, and IL-27. From the viewpoint of enhancing cellular immunity, particularly suitably, IL-2, IFN-.gamma., or IL-12 is used and, from the viewpoint of improvement in survival of a transferred T cell in vivo, IL-7, IL-15 or IL-21 is suitably used. In addition, the chemokine is not particularly limited as far as it acts on the T cell and exhibits migration activity, and examples thereof include RANTES, CCL21, MIP1.alpha., MIP1.beta., CCL19, CXCL12, IP-10 and MIG. The stimulation of the cell population can be performed by the presence of a ligand for a molecule present on the surface of the T cell, for example, CD3, CD28, or CD44 and/or an antibody to the molecule. Further, the cell population can be stimulated by contacting with other lymphocytes such as antigen presenting cells (dendritic cell) presenting a target peptide such as a peptide derived from a cancer antigen on the surface of a cell. In addition to assessing cytotoxicity and migration as end points, it is within the scope of the current invention to optimize the cellular product based on other means of assessing T cell activity, for example, the function enhancement of the T cell in the method of the present invention can be assessed at a plurality of time points before and after each step using a cytokine assay, an antigen-specific cell assay (tetramer assay), a proliferation assay, a cytolytic cell assay, or an in vivo delayed hypersensitivity test using a recombinant viral-associated antigen or an immunogenic fragment or an antigen-derived peptide. Examples of an additional method for measuring an increase in an immune response include a delayed hypersensitivity test, flow cytometry using a peptide major histocompatibility gene complex tetramer. a lymphocyte proliferation assay, an enzyme-linked immunosorbent assay, an enzyme-linked immunospot assay, cytokine flow cytometry, a direct cytotoxity assay, measurement of cytokine mRNA by a quantitative reverse transcriptase polymerase chain reaction, or an assay which is currently used for measuring a T cell response such as a limiting dilution method. In vivo assessment of the efficacy of the generated cells using the invention may be assessed in a living body before first administration of the T cell with enhanced function of the present invention, or at various time points after initiation of treatment, using an antigen-specific cell assay, a proliferation assay, a cytolytic cell assay, or an in vivo delayed hypersensitivity test using a recombinant viral-associated antigen or an immunogenic fragment or an antigen-derived peptide. Examples of an additional method for measuring an increase in an immune response include a delayed hypersensitivity test, flow cytometry using a peptide major histocompatibility gene complex tetramer. a lymphocyte proliferation assay, an enzyme-linked immunosorbent assay, an enzyme-linked immunospot assay, cytokine flow cytometry, a direct cytotoxity assay, measurement of cytokine mRNA by a quantitative reverse transcriptase polymerase chain reaction, or an assay which is currently used for measuring a T cell response such as a limiting dilution method. 
     Within the context of the invention, teachings are provided to amplify an antigen specific immune response following immunization with a polyvalent vaccine, in which the antigenic epitopes are used for immunization together with adjuvants such as toll like receptors (TLRs). These molecules are type 1 membrane receptors that are expressed on hematopoietic and non-hematopoietic cells. At least 11 members have been identified in the TLR family. These receptors are characterized by their capacity to recognize pathogen-associated molecular patterns (PAMP) expressed by pathogenic organisms. It has been found that triggering of TLR elicits profound inflammatory responses through enhanced cytokine production, chemokine receptor expression (CCR2, CCR5 and CCR7), and costimulatory molecule expression. As such, these receptors in the innate immune systems exert control over the polarity of the ensuing acquired immune response. Among the TLRs, TLR9 has been extensively investigated for its functions in immune responses. Stimulation of the TLR9 receptor directs antigen-presenting cells (APCs) towards priming potent, T.sub.H1-dominated T-cell responses, by increasing the production of pro-inflammatory cytokines and the presentation of co-stimulatory molecules to T cells. CpG oligonucleotides, ligands for TLR9, were found to be a class of potent immunostimulatory factors 
     In some embodiments of the invention, specific antigens are immunized following polyvalent immunization, said specific antigens administered in the form of DNA vaccines. Numerous publications have reported animal and clinical efficacy of DNA vaccines which are incorporated by reference [15-17]. In addition to direct DNA injection techniques, DNA vaccines can be administered by electroporation [18]. The nucleic acid compositions, including the DNA vaccine compositions, may further comprise a pharmaceutically acceptable excipient. Examples of suitable pharmaceutically acceptable excipients for nucleic acid compositions, including DNA vaccine compositions, are well known to those skilled in the art and include sugars, etc. Such excipients may be aqueous or non aqueous solutions, suspensions, and emulsions. Examples of non-aqueous excipients include propylene glycol, polyethylene glycol, vegetable oils such as olive oil, and injectable organic esters such as ethyl oleate. Examples of aqueous excipient include water, alcoholic/aqueous solutions, emulsions or suspensions, including saline and buffered media. Suitable excipients also include agents that assist in cellular uptake of the polynucleotide molecule. Examples of such agents are (i) chemicals that modify cellular permeability, such as bupivacaine, (ii) liposomes or viral particles for encapsulation of the polynucleotide, or (iii) cationic lipids or silica, gold, or tungsten microparticles which associate themselves with the polynucleotides. Anionic and neutral liposomes are well-known in the art (see, e.g., Liposomes: A Practical Approach, RPC New Ed, IRL press (1990), for a detailed description of methods for making liposomes) and are useful for delivering a large range of products, including polynucleotides. Cationic lipids are also known in the art and are commonly used for gene delivery. Such lipids include Lipofectin™ also known as DOTMA (N-[I-(2,3-dioleyloxy) propyls N,N, N-trimethylammonium chloride), DOTAP (1,2-bis (oleyloxy)-3 (trimethylammonio) propane), DDAB (dimethyldioctadecyl-ammonium bromide), DOGS (dioctadecylamidologlycyl spermine) and cholesterol derivatives such as DCChol (3 beta-(N—(N′,N′-dimethyl aminomethane)-carbamoyl) cholesterol). A description of these cationic lipids can be found in EP 187,702, WO 90/11092, U.S. Pat. No. 5,283,185, WO 91/15501, WO 95/26356, and U.S. Pat. No. 5,527,928. A particular useful cationic lipid formulation that may be used with the nucleic vaccine provided by the disclosure is VAXFECTIN, which is a commixture of a cationic lipid (GAP-DMORIE) and a neutral phospholipid (DPyPE) which, when combined in an aqueous vehicle, self-assemble to form liposomes. Cationic lipids for gene delivery are preferably used in association with a neutral lipid such as DOPE (dioleyl phosphatidylethanolamine), as described in WO 90/11092 as an example. In addition, a DNA vaccine can also be formulated with a nonionic block copolymer such as CRL1005. Other immunization means include prime boost regiments [19]. The polypeptide and nucleic acid compositions can be administered to an animal, including human, by a number of methods known in the art. Examples of suitable methods include: (1) intramuscular, intradermal, intraepidermal, intravenous, intraarterial, subcutaneous, or intraperitoneal administration, (2) oral administration, and (3) topical application (such as ocular, intranasal, and intravaginal application). One particular method of intradermal or intraepidermal administration of a nucleic acid vaccine composition that may be used is gene gun delivery using the Particle Mediated Epidermal Delivery (PMED™) vaccine delivery device marketed by PowderMed [20]. PMED is a needle-free method of administering vaccines to animals or humans. The PMED system involves the precipitation of DNA onto microscopic gold particles that are then propelled by helium gas into the epidermis [21]. The DNA-coated gold particles are delivered to the APCs and keratinocytes of the epidermis, and once inside the nuclei of these cells, the DNA elutes off the gold and becomes transcriptionally active, producing encoded protein. This protein is then presented by the APCs to the lymphocytes to induce a T-cell-mediated immune response. Another particular method for intramuscular administration of a nucleic acid vaccine provided by the present disclosure is electroporation [22]. Electroporation uses controlled electrical pulses to create temporary pores in the cell membrane, which facilitates cellular uptake of the nucleic acid vaccine injected into the muscle [23-26]. Where a CpG is used in combination with a nucleic acid vaccine, it is preferred that the CpG and nucleic acid vaccine are co-formulated in one formulation and the formulation is administered intramuscularly by electroporation. A helper T cell and cytotoxic T cell stimulatory polypeptide can be introduced into a mammalian host, including humans, linked to its own carrier or as a homopolymer or heteropolymer of active polypeptide units. Such a polymer can elicit increase immunological reaction and, where different polypeptides are used to make up the polymer, the additional ability to induce antibodies and/or T cells that react with different antigenic determinants of the virus. Useful carriers known in the art include, for example, thyroglobulin, albumins such as human serum albumin, tetanus toxoid, polyamino acids such as poly(D-lysine:D-glutamic acid), influenza polypeptide, and the like. Adjuvants such as incomplete Freunds adjuvant, GM-CSF, aluminum phosphate, CpG containing DNA, inulin, Poly (IC), aluminum hydroxide, alum, or montanide can also be used in the administration of an helper T cell and cytotoxic T cell stimulatory polypeptide. 
     Subsequent to augmentation of lymphocyte numbers specific for killing of the virus, modification of the microenvironment may be performed. In one embodiment, macrophage modulators are used. 
     Macrophages are key components of the innate immune system which play a principal role in the regulation of inflammation as well as physiological processes such as tissue remodeling [27, 28]. The diverse role of macrophages can be seen in conditions ranging from wound healing [29-32], to myocardial infarction [33-39], to renal failure [40-43] and liver failure [44]. 
     Differentiated macrophages and their precursors are versatile cells that can adapt to microenvironmental signals by altering their phenotype and function [45]. Although they have been studied for many years, it has only recently been shown that these cells comprise distinct sub-populations, known as classical M1 and alternative M2 [46]. Mirroring the nomenclature of Th1 cells, M1 macrophages are described as the pro-inflammatory sub-type of macrophages induced by IFN-.gamma. and LPS. They produce effector molecules (e.g., reactive oxygen species) and pro-inflammatory cytokines (e.g., IL-12, TNF-.alpha. and IL-6) and they trigger Th1 polarized responses [47]. 
     Macrophages can play a virus inhibitory, as well as a virus stimulatory role. Initial studies supported the role of macrophages in mediating antibody dependent cellular cytotoxicity in viruss [48-55], and thus being associated with potentiation of antivirus immune responses. Macrophages also possess the ability to directly recognize viruss by virtue of virus expressed “eat-me” signals, which include the stress associated protein calreticulin [56, 57], which binds to the low-density lipoprotein receptor-related protein (LRP) on macrophages to induce phagocytosis [58]. Viruss protect themselves by expression of CD47, which binds to macrophage SIRP-1 and transduces an inhibitory signal [59]. Blockade of CD47 using antibodies results in remission of cancers mediated by macrophage activation [60-64]. Thus on the one hand, macrophages play an important role in induction of antivirus immunity. This can also be exemplified by some studies, involving administration of GM-CSF in order to augment macrophage numbers and activity in cancer patients [65-68]. 
     Unfortunately, there is also evidence that macrophages support virus growth. Studies in the osteopetrotic mice strain, which lacks mature macrophages, demonstrate that virus actually grow slower in animals deficient in macrophages [69]. Several other animal models have elegantly demonstrated that macrophages contribute to virus growth, in part through stimulating on the angiogenic switch [70-72]. Numerous virus biopsy studies have shown that there is a negative correlation between macrophage infiltration and patient survival [73-77]. 
     The importance of macrophages in clinical implementation of cancer therapeutics can be seen from results of a double blind clinical trials in metastatic colorectal cancer patients where cetuximab (anti-epidermal growth factor receptor (EGFR) monoclonal antibody (mAb)) was added to a protocol comprising of bevacizumab and chemotherapy. The addition of cetuximab actually resulted in decreased survival. In a study examining whether monocyte conversion to M2 angiogenic macrophages was responsible, investigators observed that CD163-positive M2 macrophages where found in high concentrations intravirusally in patients with colorectal carcinomas. These M2 cells expressed abundant levels of Fc-gamma receptors (FcγR) and PD-L1. Additionally, consistent with the M2 phenotype the cells generated large amounts of the immunosuppressive molecule IL-10 and the angiogenic mediator VEGF. When M2 cells were cultured with EGFR-positive virus cells loaded with low concentrations of cetuximab, further augmentation of IL-10 and VEGF production was observed. These data suggest that under certain contexts, viruss manipulate macrophages to take on the M2 phenotype, and this subsequently leads to enhanced virus progressing factors when virus cells are bound by antibodies [78]. 
     Manipulation of macrophages to inhibit M2 and shift to M1 phenotype may be performed using a variety of means. One theme that seems unifying is the ability of toll like receptor (TLR) agonists to influence this. In addition to cytokine differences, macrophages capable of killing virus cells are usually known to express low levels of the inhibitory Fc gamma receptor IIb, whereas virus promoting macrophages have high levels of this receptor [79]. Furthermore, virus associated cytokines such as IL-4 and IL-10 are known to induce upregulation of the Fc gamma receptor IIB [80-83]. 
     In one study, the effect of the TLR7/8 agonist R-848 was assessed on monocytes derived from human peripheral blood. It was found that 12 hour exposure of R-848 increased FcgammaR-mediated cytokine production and antibody-dependent cellular cytotoxicity by monocytes. Furthermore, upregulation of the ADCC associated receptors FcgammaRI, FcgammaRIIa, and the common gamma-subunit was observed. However treatment with R-848 led to profound downregulation of the inhibitory FcgammaRIth molecule [84]. These data support ability to modify therapeutic activity of macrophages by manipulation of TLR signaling pathways. Other TLRs have been found to suppress inhibitory receptors on macrophages. For example, in another study it was observed that exposing monocytes to TLR4 agonists leads to suppression of the FcγRIIb macrophage inhibitory protein by MARCH3 mediated ubiquitination [85]. 
     In one embodiment administration of ImmunoMax is performed systemically, and/or locally, which is an injectable polysaccharide purified from potato sprouts and approved as pharmaceutical in the Russian Federation (registration P No. 001919/02-2002) and 5 other countries of Commonwealth of Independent States (formerly the USSR) and has been evaluated in a wide range of medical situations. In accordance with the formal “Instruction of Medical Use”, one medical indication for Immunomax® is the stimulation of immune defense during the treatment of different infectious diseases (http://www.gepon.ru/immax_intro.htm). Studies have shown that Immunomax® induces immune mediated killing of virally infected cells in a TLR4 dependent manner [86]. In one embodiment of the invention, ImmunoMax is utilized to induce an M2 to M1 shift, thus reducing macrophage derived immune suppressants and augmenting production of immune stimulatory cytokines such as IL-12 and TNF-alpha [86]. In some embodiments of the invention, other agents may be used to modulate M2 to M1 transition of virus associated macrophages including RRx-001 [87], the bee venom derived peptide melittin [88], CpG DNA [89, 90], metformin [91], Chinese medicine derivative puerarin [92], rhubarb derivative emodin [93], dietary supplement chlorogenic acid [94], propranolol [95], poly ICLC [96], BCG [97],  Agaricus blazei  Murill mushroom extract [98], endotoxin [99], olive skin derivative maslinic acid [100], intravenous immunoglobulin [101], phosphotidylserine targeting antibodies [102], dimethyl sulfoxide [103],surfactant protein A [104], Zoledronic acid [105], bacteriophages [106], 
     Prior to induction of immunogenic cell death, antigen presenting cells are administered within the current invention, one of the most potent antigen presenting cells is the dendritic cell. 
     Dendritic cells (DC) possess unique morphology similar to neuronal dendrites and were originally identified based on their ability to stimulate the adaptive immune system. Of importance to the field of virus immunotherapy, dendritic cells appear to be the only cell in the body capable of activating naïve T cells [107]. The concept of dendritic cells instructing naïve T cells to differentiate into effector or memory cells is fundamental because it places the dendritic cell as the most powerful antigen presenting cell. This implies that for immunotherapeutic purposes dendritic cells do not necessarily need to be administered at high numbers in patients. One way in which dendritic cells have been described is as sentinels of the immune system that are patrolling the body in an immature state [108, 109]. Once DC are activated, by a stimulatory signal such as a Damage Associated Molecular Patterns (DAMPS) the DC then migrate into the draining lymph nodes through the afferent lymphatics. During the trafficking process, DC degrade ingested proteins into peptides that bind to both MHC class I molecules and MHC class II molecules. This allows the DC to: a) perform cross presentation in that they ingest exogenous antigens but present peptides in the MHC I pathway; and b) activate both CD8 (via MHC I) and CD4 (via MHC II). Interestingly, lipid antigens are processed via different pathways and are loaded onto non-classical MHC molecules of the CD1 family [110]. 
     Generation of clinical grade dendritic cells is known in the art. For references, one of skill in the art is referred to the following clinical trial in melanoma [111-162], soft tissue sarcoma [163], thyroid [164-166], glioma [167-188], multiple myeloma [189-197], lymphoma [198-200], leukemia [201-208], as well as liver [209-214], lung [215-228], ovarian [229-232], and pancreatic cancer [233-235]. 
     Example 1 Homotaurine Increases Ability of StemVacs to Stimulate NK Activity 
     Peripheral blood mononuclear cells where obtained by ficoll centrifugation and plated with StemVacs umbilical cord derived dendritic cells. StemVacs was generated by culture of umbilical blood adherent cells with interleukin 4 and GM-CSF for 7 days with maturation step induced by 24 hour culture TLR agonist. Assessment of natural killer cell activity was performed subsequent to culture of cells with taurine (10 micrograms/ml) or homotaurine (10 micrograms/ml) for the indicated timepoints. Cytotoxicity against NK target cell line was performed using the flow cytometry Promega assay. Results are shown in  FIG. 1 . 
     Example 2 Homotaurine Increases Ability of StemVacs to Stimulate T Cell Activity 
     Peripheral blood mononuclear cells where obtained by ficoll centrifugation and plated with StemVacs umbilical cord derived dendritic cells. StemVacs was generated by culture of umbilical blood adherent cells with interleukin 4 and GM-CSF for 7 days with maturation step induced by 24 hour culture TLR agonist. Assessment of T cell activity was performed subsequent to culture of cells with taurine (10 micrograms/ml) or homotaurine (10 micrograms/ml) for the indicated timepoints. T cell activity was assessed by ELISA quantification of interferon gamma production after stimulation with 5 micrograms per ml of phytohemagglutinin. Results are shown in  FIG. 2 . 
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