gebhart/patrepeval huggingface dataset:
Biomedical properties and potentiality of Lippia microphylla Cham. and its essential oils (2015)

Lippia microphylla Cham. (Verbenaceae) is an endemic underexploited Brazilian vegetal. This work reviewed the biological potentialities of Lippia microphylla, emphasizing the properties of essential oils (EOs) and analyzed scientific indicators about genus Lippia and L. microphylla. Databases from 1948 to the present were searched and a software (vantage point 7.1) associated with Derwent Innovation Index was used to identify the indicators of the genus Lippia, and biological activities and compounds in the L. macrophylla species. Ethnopharmacological records report use of L. microphylla leaves to treat gastrointestinal disorders, influenza, bronchitis, cough, nasal congestion, and sinusitis during vaporization, whose aromatic volatile oils are rich in monoterpenes, especially cineole, terpineol, and thymol. Other EOs have larvicidal activity on Aedes aegypti larvae, and antifungal, antibacterial and cytotoxic and antitumor action on human and murine cancer cells. Brazil is the country with more articles about Lippia species, but it deposited only 9 patents since 1993. Most of the publications about L. microphylla are concentrated in food and chemical sciences. This bioprospection helps to choice areas of interest for capital investment and to give support for Brazilian Institutions to establish cooperation and improve technological impact at the point of view of creation and innovation.
Multiple regions within EBNA1 can link DNAs (1995)

Epstein-Barr virus nuclear antigen 1 (EBNA1) can bind specifically to two clusters of sites within the Epstein-Barr virus plasmid origin of DNA replication (oriP). EBNA1 activates DNA replication mediated by oriP and can also activate transcription and retain DNA in cells when bound site specifically. EBNA1 bound to oriP physically links the two clusters of EBNA1-binding sites, resulting in loop formation by the intervening DNA. To elucidate the contribution of DNA linking by EBNA1 to its biological activities, we identified regions within it that can independently link DNAs to which they are bound. An electrophoretic mobility shift assay was used to detect this activity. Proteins which link DNA aggregate that DNA into large lattices. Proteins which cannot link DNA but still bind to DNA retard the mobility of that DNA but do not cause it to form lattices. Amino-terminal truncations were used to map the amino-terminal limit of a minimal DNA-linking domain approximately to amino acid 372 of EBNA1. To map the carboxy-terminal limit of this minimal domain, fusion proteins containing the DNA-binding domain of GAL4 and fragments of EBNA1 were generated and studied. This approach identified the carboxy-terminal limit of this minimal domain to be approximately amino acid 391 and verified its amino-terminal limit. Internal deletions within a truncated EBNA1 derivative verified the importance of this region. Two additional fragments of EBNA1, each of which independently conferred DNA-linking activity on the domain of GAL4 which binds DNA, were identified within amino acids 54 to 89 and amino acids 331 to 361. Therefore, EBNA1 contains at least three regions that can act independently to link DNAs and that may act in concert within intact EBNA1.
Reaction of Diphenylcyclopropenone with Nitroketeneaminals. Synthesis of 6-Amino-2-pyridones and Their m-Chloroperbenzoic Acid Oxidation to 2,3-Diphenylmaleimides (1987)

Abstract Reaction of diphenylcyclopropenone with nitroketeneaminals gave 6-amino-2-pyridones, which were oxidized by m-chloroperbenzoic acid to 2,3-diphenylmaleimides.
Production and Specificity of Anti-22-oxacalcitriol Antisera. (1992)

22-Oxacalcitriol 3-hemiglutarate, a haptenic derivative of 22-oxacalcitriol, was synthesized to obtain a specific antibody for use in radioimmunoassay. Three antisera were elicited in rabbits against the hapten conjugated with bovine serum albumin, and their specificity was examined by cross-reaction study. One of the antisera was found to be satisfactorily specific, and expected to provide a radioimmunoassay useful for the pharmacokinetic study of 22-oxacalcitriol.
Dielectrophoretic manipulation of particles (1997)

We have demonstrated that, in general, the dielectrophoretic (DEP) force experienced by a particle has two components. The first depends upon inhomogeneities in the applied electrical field strength and upon the in-phase part of the resultant dipole moment induced in the particle and can be identified with the conventional dielectrophoretic (cDEP) force. The second relates to nonuniformities in the phase distribution of the applied field and to the out-of-phase part of the induced dipole moment. A nonuniform phase distribution corresponds to a field that travels through space. This second force component gives rise to traveling-wave dielectrophoresis (twDEP). In this paper, we describe several electrode configurations designed to produce electric fields capable of inducing cDEP and twDEP forces for the purpose of manipulating particles. Using DS19 Friend murine erythroleukemia cells as test particles having well-characterized dielectric properties, we investigated the electrokinetic behaviors for these electrodes as a function of frequency and electrode excitation mode. Several characteristic cell electrokinetic behaviors were identified, including trapping, linear motion, levitation, and circulation of the cells, depending on the excitation characteristics of the electrodes and the cell dielectric properties. We describe these findings and rationalize them in terms of the field distributions produced by the electrodes, the particle dielectric properties, and generalized dielectrophoresis theory. The biotechnological applications of dielectrophoretic manipulation are then discussed.
Requirements for CEACAMs and Cholesterol during Murine Coronavirus Cell Entry (2004)

Previous reports have documented that cholesterol supplementations increase cytopathic effects in tissue culture and also intensify in vivo pathogenicities during infection by the enveloped coronavirus murine hepatitis virus (MHV). To move toward a mechanistic understanding of these phenomena, we used growth media enriched with methyl-beta-cyclodextrin or cholesterol to reduce or elevate cellular membrane sterols, respectively. Cholesterol depletions reduced plaque development 2- to 20-fold, depending on the infecting MHV strain, while supplementations increased susceptibility 2- to 10-fold. These various cholesterol levels had no effect on the binding of viral spike (S) proteins to cellular carcinoembryonic antigen-related cell adhesion molecule (CEACAM) receptors, rather they correlated directly with S-protein-mediated membrane fusion activities. We considered whether cholesterol was indirectly involved in membrane fusion by condensing CEACAMs into "lipid raft" membrane microdomains, thereby creating opportunities for simultaneous binding of multiple S proteins that subsequently cooperate in the receptor-triggered membrane fusion process. However, the vast majority of CEACAMs were solubilized by cold Triton X-100 (TX-100), indicating their absence from lipid rafts. Furthermore, engineered CEACAMs appended to glycosylphosphatidylinositol anchors partitioned with TX-100-resistant lipid rafts, but cells bearing these raft-associated CEACAMs were not hypersensitive to MHV infection. These findings argued against the importance of cholesterol-dependent CEACAM localizations into membrane microdomains for MHV entry, instead suggesting that cholesterol had a more direct role. Indeed, we found that cholesterol was required even for those rare S-mediated fusions taking place in the absence of CEACAMs. We conclude that cholesterol is an essential membrane fusion cofactor that can act with or without CEACAMs to promote MHV entry.
Nuclear factor κB: a potential therapeutic target in atherosclerosis and thrombosis (2004)

Cardiovascular diseases are the leading cause of morbidity and mortality in Western countries. Atherosclerosis, the background for many cardiovascular diseases, is characterized by the accumulation of lipid and fibrotic entities in large arteries and bears many similarities with chronic inflammatory diseases such as rheumatoid arthritis. Common features include extravasation of blood-derived leukocytes, as well as production of cytokines, chemokines and matrix-degrading enzymes. There are also many shared signaling pathways, including activation of the nuclear factor kappaB (NFkappaB) cascade. In the context of atherosclerosis, there are a range of candidate stimuli which can activate NFkappaB, including traditional risk factors, infectious agents, cytokines and cell-cell contact. Many inflammatory genes relevant to the pathogenesis of atherosclerosis are regulated by NFkappaB, the activated form of which is present in atherosclerotic plaques. Thus, it is essential to understand the role of this important signaling cascade in atherosclerosis, in a quest for more specific therapeutic targets.
Tracking autonomous entities using rfid technology (2009)

GPS seems to be the best solution to develop outdoor location systems, but performance of these systems is not good enough to locate entities within indoor environments, mainly if accuracy and precision are required. In this article we propose a tracking indoor system based on passive RFID technology that is able to accurately locate autonomous entities, such as robots, people, etc, within a defined surface. In order to validate the proposal, we compared our system technology performance against other alternatives built on different technologies (Wi-Fi, Bluetooth, IrDA, ultrasound, etc). We also include the system evaluation and final remarks with future improvements.
Reaction of 2‐dimethylaminomethylene‐1,3‐diones with dinucleophiles. VI. Synthesis of ethyl or methyl 1,5‐disubstituted 1H‐pyrazole‐4‐carboxylates (1987)

Abstract Reaction of ethyl or methyl 3‐oxoalkanoates with N,N ‐dimethylformamide dimethyl acetal gave, generally in excellent yields, a series of ethyl or methyl 2‐dimethylaminomethylene‐3‐oxoalkanoates II which reacted with phenylhydrazine to afford the esters of 5‐substituted 1‐phenyl‐1 H ‐pyrazole‐4‐carboxylic acids III in high yields. Esters III were hydrolyzed to the relative 5‐substituted 1‐phenyl‐1 H ‐pyrazole‐4‐carboxylic acids which were converted by heating to 5‐substituted 1‐phenyl‐1 H ‐pyrazoles in excellent yields. Reaction of II with methylhydrazine afforded in general a mixture of 3‐ and 5‐substituted ethyl 1‐methyl‐1 H ‐pyrazole‐4‐carboxylates with the exception of IIg , which gave in high yield methyl 5‐benzyl‐1‐methyl‐1 H ‐pyrazole‐4‐carboxylate, which was hydrolyzed to the relative pyrazolecarboxylic acid. This afforded by heating 5‐benzyl‐1‐methyl‐1 H ‐pyrazole in quantitative yield.
Semisynthetic Diet Ameliorates Crohn’s Disease–Like Ileitis in TNFΔARE/WT Mice Through Antigen-Independent Mechanisms of Gluten (2013)

Crohn's disease-like ileitis can be prevented at early stages of disease development using a semisynthetic experimental diet. Gluten was identified as antigen-independent dietary factor relevant for the induction of chronic inflammation in the small intestine of TNFΔARE/WT mice.
KINETICS OF FLUORESCENCE FADING OF ACRIDINE ORANGE‐HEPARIN COMPLEXES IN SOLUTION (1978)

Abstract— The irreversible photochemical fading of fluorescence of acridine orange‐heparin complexes indicates that fading involves the reaction of a “reactive” excited bound dye dimer with one in the ground state. A kinetic parameter, r “, is derived, which has a constant value over a considerable range of conditions, and which is directly related to rate constants for photophysical and photochemical processes. This parameter appears to be characteristic for heparin and may serve to identify it in the presence of other glycosaminoglycans.
Presenting your structures: the CCP 4 mg molecular-graphics software (2011)

CCP4mg is a molecular-graphics program that is designed to give rapid access to both straightforward and complex static and dynamic representations of macromolecular structures. It has recently been updated with a new interface that provides more sophisticated atom-selection options and a wizard to facilitate the generation of complex scenes. These scenes may contain a mixture of coordinate-derived and abstract graphical objects, including text objects, arbitrary vectors, geometric objects and imported images, which can enhance a picture and eliminate the need for subsequent editing. Scene descriptions can be saved to file and transferred to other molecules. Here, the substantially enhanced version 2 of the program, with a new underlying GUI toolkit, is described. A built-in rendering module produces publication-quality images.
CADASIL in a North American family (1998)

CADASIL is a genetic basis for vascular dementia that may be manifest earlier in life than previously reported.
Axial coordination of monodentate ligands with nickel(III) peptide complexes (1982)

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTAxial coordination of monodentate ligands with nickel(III) peptide complexesCarl K. Murray and Dale W. MargerumCite this: Inorg. Chem. 1982, 21, 9, 3501–3506Publication Date (Print):September 1, 1982Publication History Published online1 May 2002Published inissue 1 September 1982https://pubs.acs.org/doi/10.1021/ic00139a046https://doi.org/10.1021/ic00139a046research-articleACS PublicationsRequest reuse permissionsArticle Views120Altmetric-Citations20LEARN ABOUT THESE METRICSArticle Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. These metrics are regularly updated to reflect usage leading up to the last few days.Citations are the number of other articles citing this article, calculated by Crossref and updated daily. Find more information about Crossref citation counts.The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online. Clicking on the donut icon will load a page at altmetric.com with additional details about the score and the social media presence for the given article. Find more information on the Altmetric Attention Score and how the score is calculated. Share Add toView InAdd Full Text with ReferenceAdd Description ExportRISCitationCitation and abstractCitation and referencesMore Options Share onFacebookTwitterWechatLinked InRedditEmail Other access optionsGet e-Alertsclose Get e-Alerts
A phase 1 study of lucatumumab, a fully human anti‐CD40 antagonist monoclonal antibody administered intravenously to patients with relapsed or refractory multiple myeloma (2012)

In this open-label, multicentre, phase 1 study a fully human anti-CD40 antagonist monoclonal antibody, lucatumumab, was evaluated in patients with relapsed/refractory multiple myeloma (MM). The primary objective was to determine the maximum tolerated dose (MTD) based on dose-limiting toxicities (DLTs). Secondary objectives included safety, pharmacokinetics, pharmacodynamics and antimyeloma activity. Twenty-eight patients, enrolled using a standard '3 + 3' dose escalation, received one or two (n = 3) cycles of lucatumumab 1·0, 3·0, 4·5 or 6·0 mg/kg once weekly for 4 weeks. Common lucatumumab-related adverse events were reversible, mild-to-moderate infusion reactions. Severe adverse events were anaemia, chills, hypercalcaemia and pyrexia (7% each). DLTs included grade 4 thrombocytopenia, grade 3 increased alanine aminotransferase and grade 4 increased lipase (n = 1 each). The MTD was 4·5 mg/kg. At doses ≥3·0 mg/kg, sustained receptor occupancy (≥87%), observed throughout weekly infusions up to 5 weeks after the last infusion, correlated with an estimated half-life of 4-19 d. Twelve patients (43%) had stable disease, and one patient (4%) maintained a partial response for ≥8 months. These findings indicate that single-agent lucatumumab was well tolerated up to 4·5 mg/kg with modest clinical activity in relapsed/refractory MM, warranting further study as a combination therapy.
Modulation of amyloid β-protein clearance and Alzheimer’s disease susceptibility by the LDL receptor–related protein pathway (2000)

Susceptibility to Alzheimer's disease (AD) is governed by multiple genetic factors. Remarkably, the LDL receptor-related protein (LRP) and its ligands, apoE and alpha2M, are all genetically associated with AD. In this study, we provide evidence for the involvement of the LRP pathway in amyloid deposition through sequestration and removal of soluble amyloid beta-protein (Abeta). We demonstrate in vitro that LRP mediates the clearance of both Abeta40 and Abeta42 through a bona fide receptor-mediated uptake mechanism. In vivo, reduced LRP expression is associated with LRP genotypes and is correlated with enhanced soluble Abeta levels and amyloid deposition. Although LRP has been proposed to be a clearance pathway for Abeta, this work provides the first in vivo evidence that the LRP pathway may modulate Abeta deposition and AD susceptibility by regulating the removal of soluble Abeta.
An epitope of the transferrin receptor is exposed on the cell surface of high-grade but not low-grade human lymphomas (1989)

In attempting to identify antigens that are differentially expressed on tumor cells following transformation from follicular small cleaved cell lymphoma (FSC) to immunoblastic lymphoma (IL), we identified a unique epitope of the transferrin receptor (TfR). The epitope is available for binding in aggressive lymphomas but not in indolent lymphomas or normal cells. An immunoglobulin G2a (IgG2a) antibody that binds this epitope, Trump, was produced by screening on tumor cells from a patient who initially had a low-grade lymphoma which subsequently converted to a high-grade lymphoma. Immunoprecipitation and comodulation studies show that Trump binds to the TfR, but blocking studies and immunostaining reveal that the TfR epitope seen by Trump is distinct from the OKT9 and anti-TfR binding sites. The ability of Trump to discriminate a separate population of more highly malignant cells suggests that the expression of the Trump epitope is determined by the state of activation or degree of malignancy of the cell. In addition, it may be possible to use the Trump antibody diagnostically or therapeutically in the management of lymphomas.
Cloning and developmental expression analysis of the murine c-mer tyrosine kinase. (1995)

We have cloned the putative mouse homologue of the human c-mer receptor tyrosine kinase proto-oncogene. Comparison of the mouse and human c-mer amino acid sequences reveals an overall identity of 88%. Similar to the human, the extracellular region of the murine c-mer protein possesses two amino terminal immunoglobulin-like domains and two membrane proximal fibronectin type III domains, which places it in the Axl family of tyrosine kinases. Our analysis of the Axl family identifies eight different regions of amino acid consensus that have residues characteristic of this and no other tyrosine kinase family; six of the eight are within tyrosine kinase subdomains. The homology within the Axl family is highest between c-mer and c-eyk, the chicken proto-oncogene of the tumor virus gene product v-eyk. Northern analysis of adult tissues suggests that the mouse c-mer, although expressed in many tissues, has an expression pattern unique among Axl family members. In normal adult hematopoietic cells c-mer seems to be expressed predominantly if not exclusively in the monocytic lineage. Mouse c-mer is expressed during most, if not all, stages of embryological development beginning in the morula and blastocyst and progressing through the yolk sac and fetal liver stages. This early and consistent expression of c-mer was confirmed during in vitro differentiation of embryonic stem cells. The embryonic expression profile of c-mer suggests that this tyrosine kinase may play an important function in the developing mouse.
Trimethoprim resistance transposon Tn4003 from Staphylococcus aureus encodes genes for a dihydrofolate reductase and thymidylate synthetase flanked by three copies of IS257 (1989)

Trimethoprim resistance mediated by the Staphylococcus aureus multi-resistance plasmid pSK1 is encoded by a structure with characteristics of a composite transposon which we have designated Tn4003. Nucleotide sequence analysis of Tn4003 revealed it to be 4717 bp in length and to contain three copies of the insertion element IS257 (789-790 bp), the outside two of which are flanked by directly repeated 8-bp target sequences. IS257 has imperfect terminal inverted repeats of 27-28 bp and encodes for a putative transposase with two potential alpha-helix-turn-alpha-helix DNA recognition motifs. IS257 shares sequence similarities with members of the IS15 family of insertion sequences from Gram-negative bacteria and with ISS1 from Streptococcus lactis. The central region of the transposon contains the dfrA gene that specifies the S1 dihydrofolate reductase (DHFR) responsible for trimethoprim resistance. The S1 enzyme shows sequence homology with type I and V trimethoprim-resistant DHFRs from Gram-negative bacteria and with chromosomally encoded DHFRs from Gram-positive and Gram-negative bacteria. 5' to dfrA is a thymidylate synthetase gene, designated thyE.
Cell Adhesion Molecules CD11a and CD18 in Blood Monocytes in Old Age and the Consequences for Immunological Dysfunction (1995)

Adhesion molecules, such as leukocyte-function-associated antigen (LFA-1 or CD11a/CD18), intercellular adhesion molecule 1 (ICAM-1 or CD54) and Hermes antigen (HCAM or CD44), have important roles in many adhesive interactions involving cells of the immune system. Since it has been shown that many immunological alterations were present in aged subjects, we studied the expression and density of these molecules on peripheral blood lymphocytes and monocytes from healthy old subjects. A decrease in monocyte subpopulations bearing CD11a/CD18 and an increase in CD11a/CD18 and and CD44 antigen density on lymphocytes and on monocytes, respectively, were observed. These changes might be an event in the mechanism leading to the decreased lymphocyte proliferative response in vitro and to other immunological dysfunctions reported in old subjects.
The 3d visibility complex: a unified data-structure for global visibility of scenes of polygons and smooth objects. (1997)

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