gebhart/patrepeval huggingface dataset:
Characterisation of the prereceptor regulation of glucocorticoids in the anterior segment of the rabbit eye (2006)

The prereceptor regulation of glucocorticoids (GCs) by 11beta-hydroxysteroid dehydrogenase type-1 (11beta-HSD1), a bidirectional isozyme that interconverts active (cortisol) and inactive (cortisone) GCs, is an established determinant of GC function in tissues such as liver, adipose and bone. Although the therapeutic use of GCs is abundant in ophthalmic practice, where GC interactions with nuclear receptors modulate gene transcription, the prereceptor regulation of endogenous cortisol is not well described in ocular tissues. Recent descriptive studies have localised 11beta-HSD1 to the human corneal epithelium and non-pigmented epithelium (NPE) of the ciliary body, indicating a link to corneal epithelial physiology and aqueous humour production. In this study, we characterise the functional aspects of the autocrine regulation of GCs in the anterior segment of the rabbit eye. Using our in-house generated primary antibody to human 11beta-HSD1, immunohistochemical analyses were performed on paraffin-embedded sections of whole New Zealand white albino rabbits, (NZWAR) eyes. As in human studies, 11beta-HSD1 was localised to the corneal epithelium and the NPE. No staining was seen in the albino 'pigmented' ciliary epithelium. Specific enzyme assays for oxo-reductase (cortisone-->cortisol) and dehydrogenase (cortisol-->cortisone) activity indicated predominant 11beta-HSD1 oxo-reductase activity from both the intact ciliary body tissue (n=12, median 2.1 pmol/mg per h and range 1.25-2.8 pmol/mg per h; P=0.006) and primary cultures of corneal epithelial cells (n=12, median 3.0 pmol/mg per h and range 1.0-7.4 pmol/mg per h, P=0.008) compared with dehydrogenase activity (median 1.0 pmol/mg per h and range 0.5-2.0 pmol/mg per h; median 0.5 pmol/mg per h and range 0.25-1.9 pmol/mg per h respectively). These findings were supported by expression of 11beta-HSD1 protein as visualised by Western blotting of ciliary body tissue and immunocytochemistry of corneal epithelial cells. Reduction of corneal epithelial cell proliferation was seen after primary cultures were co-incubated with cortisol and cortisone. 11beta-HSD1 activity was not demonstrated in naïve conjunctival fibroblasts or corneal stromal keratocytes. Our results indicate that the distribution of 11beta-HSD1 in the rabbit resembles that of the human eye and activates cortisone to cortisol in both corneal and uveal tissues. The NZWAR provides a suitable in vivo model for the further evaluation of 11beta-HSD1 activity in the eye, especially its role in corneal epithelial and ciliary body physiology.
Pathogenesis of follicular lymphoma (2012)

The hallmark t(14;18)(q32;q21) in follicular lymphoma (FL) results in constitutive overexpression of the BCL2 protein, allowing B cells to abrogate the default germinal center apoptotic program. Most tumors are characterized by recurrent secondary genetic alterations including genomic gains, losses, and mutations, some providing a growth advantage, including alterations in MLL2, EPHA7, TNFRSF14, and EZH2. The sequence in which these events occur and how they contribute to progression and ultimately to transformation is unclear. Lastly, crosstalk between neoplastic B cells and non-neoplastic immune and stromal cells in the microenvironment plays an important role in sustaining tumor cell growth, cultivating immune privilege, and promoting transformation.
Transforming Growth Factor- β Stabilizes Elastin mRNA by a Pathway Requiring Active Smads, Protein Kinase C- δ, and p38 (2002)

Transforming growth factors (TGFs)-beta are multipotent in their biologic activity, regulating cell growth and differentiation as well as extracellular matrix deposition and degradation. Most of these activities involve modulation of gene transcription, but TGF-beta1 has been shown previously to substantially increase the expression of elastin by stabilization of tropoelastin mRNA through a signaling pathway that likely involves a phosphatidylcholine-specific phospholipase C, a protein kinase C, prenylated and acylated protein(s), and one or more tyrosine kinases. However, there is a 4- to 6-h lag period after the addition of TGF-beta1 before significant stimulation of elastin expression is observed and the question of whether the Smads are involved has not been addressed. In the present work, using cultured human fetal lung fibroblasts, we show through the use of specific inhibitors and transfection of a Smad 7 construct that in addition to de novo protein synthesis and active Smads, the extended activity of protein kinase C (PKC)-delta and the stress-activated protein kinase, p38, is required for TGF-beta1 to achieve elastin mRNA stabilization.
Lipofuscin and N-Retinylidene-N-Retinylethanolamine (A2E) Accumulate in Retinal Pigment Epithelium in Absence of Light Exposure (2012)

The age-dependent accumulation of lipofuscin in the retinal pigment epithelium (RPE) has been associated with the development of retinal diseases, particularly age-related macular degeneration and Stargardt disease. A major component of lipofuscin is the bis-retinoid N-retinylidene-N-retinylethanolamine (A2E). The current model for the formation of A2E requires photoactivation of rhodopsin and subsequent release of all-trans-retinal. To understand the role of light exposure in the accumulation of lipofuscin and A2E, we analyzed RPEs and isolated rod photoreceptors from mice of different ages and strains, reared either in darkness or cyclic light. Lipofuscin levels were determined by fluorescence imaging, whereas A2E levels were quantified by HPLC and UV-visible absorption spectroscopy. The identity of A2E was confirmed by tandem mass spectrometry. Lipofuscin and A2E levels in the RPE increased with age and more so in the Stargardt model Abca4(-/-) than in the wild type strains 129/sv and C57Bl/6. For each strain, the levels of lipofuscin precursor fluorophores in dark-adapted rods and the levels and rates of increase of RPE lipofuscin and A2E were not different between dark-reared and cyclic light-reared animals. Both 11-cis- and all-trans-retinal generated lipofuscin-like fluorophores when added to metabolically compromised rod outer segments; however, it was only 11-cis-retinal that generated such fluorophores when added to metabolically intact rods. The results suggest that lipofuscin originates from the free 11-cis-retinal that is continuously supplied to the rod for rhodopsin regeneration and outer segment renewal. The physiological role of Abca4 may include the translocation of 11-cis-retinal complexes across the disk membrane.
A study of the correlation between cyclophilin binding and in vitro immunosuppressive activity of cyclosporine A and analogues. (1988)

In order to establish whether CyP is the pharmacologically relevant CsA receptor, the CyP binding v immunosuppressive activity was measured for an extensive, structurally varied group of CsA analogues. Overall, CyP binding was found to parallel immunosuppressive activity. Other than MeAla6-CsA, the few exceptions to the correlation could be ascribed to cellular metabolism. These results strongly implicate CyP or a related protein in the mechanism of action of cyclosporine.
Bioactive Milk Peptides: A Prospectus (2000)

Bioactive peptides have been identified within the amino acid sequences of native milk proteins. Hydrolytic reactions, such as those catalyzed by digestive enzymes, result in their release. These peptides directly influence numerous biological processes evoking behavioral, gastrointestinal, hormonal, immunological, neurological, and nutritional responses. The specific bioreactions associated with each physiological class have been well characterized. Herein, we review the scientific literature and attempt to stimulate consideration of the continued use of bioactive peptides and their expanded development as a commercial product. Several applications have already evolved. For example, phosphopeptides derived from casein fractions are currently used as both dietary and pharmaceutical supplements. Potentially, the addition of bioactive peptides to food products could improve consumer safety as a result of their antimicrobial properties. Lastly, bioactive peptides may function as health care products, providing therapeutic value for either treatment of infection or prevention of disease.
Automated Space Classification for Network Robots in Ubiquitous Environments (2015)

Network robots provide services to users in smart spaces while being connected to ubiquitous instruments through wireless networks in ubiquitous environments. For more effective behavior planning of network robots, it is necessary to reduce the state space by recognizing a smart space as a set of spaces. This paper proposes a space classification algorithm based on automatic graph generation and naive Bayes classification. The proposed algorithm first filters spaces in order of priority using automatically generated graphs, thereby minimizing the number of tasks that need to be predefined by a human. The filtered spaces then induce the final space classification result using naive Bayes space classification. The results of experiments conducted using virtual agents in virtual environments indicate that the performance of the proposed algorithm is better than that of conventional naive Bayes space classification.
Bidirectional Attention Flow for Machine Comprehension (2016)

Machine comprehension (MC), answering a query about a given context paragraph, requires modeling complex interactions between the context and the query. Recently, attention mechanisms have been successfully extended to MC. Typically these methods use attention to focus on a small portion of the context and summarize it with a fixed-size vector, couple attentions temporally, and/or often form a uni-directional attention. In this paper we introduce the Bi-Directional Attention Flow (BIDAF) network, a multi-stage hierarchical process that represents the context at different levels of granularity and uses bi-directional attention flow mechanism to obtain a query-aware context representation without early summarization. Our experimental evaluations show that our model achieves the state-of-the-art results in Stanford Question Answering Dataset (SQuAD) and CNN/DailyMail cloze test.
Thread motion (2009)

Dynamic voltage and frequency scaling (DVFS) is a commonly-used power-management scheme that dynamically adjusts power and performance to the time-varying needs of running programs. Unfortunately, conventional DVFS, relying on off-chip regulators, faces limitations in terms of temporal granularity and high costs when considered for future multi-core systems. To overcome these challenges, this paper presents thread motion (TM), a fine-grained power-management scheme for chip multiprocessors (CMPs). Instead of incurring the high cost of changing the voltage and frequency of different cores, TM enables rapid movement of threads to adapt the time-varying computing needs of running applications to a mixture of cores with fixed but different power/performance levels. Results show that for the same power budget, two voltage/frequency levels are sufficient to provide performance gains commensurate to idealized scenarios using per-core voltage control. Thread motion extends workload-based power management into the nanosecond realm and, for a given power budget, provides up to 20% better performance than coarse-grained DVFS.
T-Cell and NK-Cell Posttransplantation Lymphoproliferative Disorders (2007)

Posttransplantation lymphoproliferative disorders (PTLDs) of T-cell or natural killer (NK)-cell origin are an uncommon heterogeneous group of lymphoid proliferations that fulfill the criteria for one of the T- or NK-cell lymphomas/leukemias. This report summarizes 130 T/NK-cell PTLDs reported in the literature or presented at the Society for Hematopathology/European Association for Haematopathology Workshop on T/NK-cell malignancies. The T/NK-cell PTLDs occur at a median of 66 months following transplantation and are usually extranodal. The most common types reported are peripheral T-cell lymphoma, unspecified, and hepatosplenic T-cell lymphoma. Approximately one third are Epstein-Barr virus (EBV)+. The median survival is 6 months. EBV+ cases have a significantly longer survival than EBV- cases, even when indolent T-cell large granular lymphocytic leukemias are included among the EBV- cases. Many T/NK-cell PTLDs have been treated with chemotherapy, often together with decreased immunosuppression, but there are infrequent patients who have done well without chemotherapy or radiation.
Fancd2 −/− mice have hematopoietic defects that can be partially corrected by resveratrol (2010)

Progressive bone marrow failure is a major cause of morbidity and mortality in human Fanconi Anemia patients. In an effort to develop a Fanconi Anemia murine model to study bone marrow failure, we found that Fancd2(-/-) mice have readily measurable hematopoietic defects. Fancd2 deficiency was associated with a significant decline in the size of the c-Kit(+)Sca-1(+)Lineage(-) (KSL) pool and reduced stem cell repopulation and spleen colony-forming capacity. Fancd2(-/-) KSL cells showed an abnormal cell cycle status and loss of quiescence. In addition, the supportive function of the marrow microenvironment was compromised in Fancd2(-/-) mice. Treatment with Sirt1-mimetic and the antioxidant drug, resveratrol, maintained Fancd2(-/-) KSL cells in quiescence, improved the marrow microenvironment, partially corrected the abnormal cell cycle status, and significantly improved the spleen colony-forming capacity of Fancd2(-/-) bone marrow cells. We conclude that Fancd2(-/-) mice have readily quantifiable hematopoietic defects, and that this model is well suited for pharmacologic screening studies.
<title>Comparison Of Fresnel Zone Plates And Uniformly Redundant Arrays</title> (1978)

Several imaging systems in laser fusion, a-beam fusion, and astronomy employ a Fresnel zone plate (FZP) as a coded aperture. The recent development of uniformly redundant arrays (URAs) promises several improvements in these systems. The first advantage of the URA is the fact that its modulation transfer function (MTF) is the same as the MTF of a single pinhole, whereas the MTF of an FZP is an erratic function including some small values. This means that if inverse filtering is used, the URA will be less susceptible to noise. If a correlation analysis is used, the FZP will produce artifacts whereas the URA has no artifacts (assuming planar sources). Both the FZP and URA originated from functions which had flat MTFs. However, practical considerations in the implementation of the FZP detracted from its good characteristics whereas the URA was only mildly affected. The second advantage of the URA is that it better utilizes the available detector area. With the FZP, the aperture should be smaller than the detector in order to maintain the full angular resolution corresponding to the thinnest zone. The cyclic nature of the URA allows one to mosaic it in such a way that the entire detector area collects photons from all of the sources within the field of view while maintaining the full angular resolution. If the FZP is as large (or larger) than the detector, all parts of the source will not be resolved with the same resolution. The FZP does have some advantages, in particular its radial symmetry eases the alignment problem; it has a convenient optical decoding method; and higher diffraction order reconstruction might provide better spatial resolution.
ABC of heart failure: Management: diuretics, ACE inhibitors, and nitrates (2000)

In the past 15 years several large scale, randomised controlled trials have revolutionised the management of patients with chronic heart failure. Although it is clear that some drugs improve symptoms, others offer both symptomatic and prognostic benefits, and the management of heart failure should be aimed at improving both quality of life and survival. #### Aims of heart failure management ##### To achieve improvement in symptoms Diuretics Digoxin ACE inhibitors ##### To achieve improvement in survival ACE inhibitors βblockers (for example, carvedilol and bisoprolol) Oral nitrates plus hydralazine Spironolactone Diuretics and angiotensin converting enzyme (ACE) inhibitors, when combined with non-pharmacological measures, remain the basis of treatment in patients with congestive heart failure. Digoxin has a possible role in some of these patients, however, and the potential benefits of β blockers and spironolactone (an aldosterone antagonist) in chronic heart failure are now increasingly recognised. Diuretics are effective in providing symptomatic relief and remain the first line treatment, particularly in the presence of oedema. Nevertheless, there is no direct evidence that loop and thiazide diuretics confer prognostic benefit in patients with congestive heart failure. In general, diuretics should be introduced at a low dose and the dose increased according to the clinical response. There are dangers, however, in either undertreating or overtreating patients with diuretics, and regular review is necessary ### Loop diuretics Loop diuretics—frusemide (furosemide) and bumetanide—have a powerful diuretic action, increasing the excretion of sodium and water via their action on the ascending limb of the loop of Henle. They have a rapid onset of action (intravenously 5 minutes, orally 1–2 hours; duration of action 4–6 hours). Oral absorption of frusemide may be reduced in congestive heart failure, although the pharmacokinetics of bumetanide may allow improved bioavailability. #### How to use diuretics in advanced heart failure
Actual invasive potential of human hepatocellular carcinoma revealed by in situ gelatin zymography. (2001)

The present study demonstrates high gelatinolytic activity at the invasive front of HCCs at a cellular level and that HCC has an invasive potential with the gelatin (matrix)-degrading metalloproteinases. Furthermore, it suggests the importance of the activation mechanism of gelatinolytic enzymes in the invasion and metastasis of HCCs.
Glucose transporters in mammalian brain (1994)

Conference Article| August 01 1994 Glucose transporters in mammalian brain Ian A. Simpson; Ian A. Simpson * *To whom correspondence should be addressed. Search for other works by this author on: This Site PubMed Google Scholar Susan J. Vannucci; Susan J. Vannucci 1Experimental Diabetes, Metabolism & Nutrition Section, Diabetes Branch, National Institute of Diabetes, Digestive & Kidney Disease, National Institutes of Health, Bethesda, MD 20892, U.S.A. Search for other works by this author on: This Site PubMed Google Scholar Fran Maher Fran Maher 1Experimental Diabetes, Metabolism & Nutrition Section, Diabetes Branch, National Institute of Diabetes, Digestive & Kidney Disease, National Institutes of Health, Bethesda, MD 20892, U.S.A. Search for other works by this author on: This Site PubMed Google Scholar Biochem Soc Trans (1994) 22 (3): 671–675. https://doi.org/10.1042/bst0220671 Article history Received: April 29 1994 Views Icon Views Article contents Figures & tables Video Audio Supplementary Data Peer Review Share Icon Share Facebook Twitter LinkedIn Email Cite Icon Cite Get Permissions Citation Ian A. Simpson, Susan J. Vannucci, Fran Maher; Glucose transporters in mammalian brain. Biochem Soc Trans 1 August 1994; 22 (3): 671–675. doi: https://doi.org/10.1042/bst0220671 Download citation file: Ris (Zotero) Reference Manager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentAll JournalsBiochemical Society Transactions Search Advanced Search Keywords: BBB, blood-brain barrier, CB, cytochalasin B This content is only available as a PDF. © 1994 Biochemical Society1994 Article PDF first page preview Close Modal You do not currently have access to this content.
Meningococcal vaccines : methods and protocols (2001)

The development of a comprehensive vaccine against Neisseria meningitidis, the causative agent of meningococcal disease, has remained elusive because of bacterial diversity and immunologic evasion. In Meningococcal Vaccines: Methods and Protocols, Andrew Pollard and Martin Maiden have assembled an impressive collection of the latest molecular and cellular techniques for the development, evaluation, and implementation of vaccines to be used against this dreaded disease. The contributors-leading scientists, clinicians, and public health physicians-describe in detail the many approaches to vaccine design, as well as the assessment of immune response to vaccine candidates and novel vaccine formulations. They also present as a test case the recent implementation of a new meningococcal vaccine in the United Kingdom. A companion volume, Meningococcal Disease: Methods and Protocols, contains detailed methods for diagnostic microbiology, bacterial characterization, epidemiology, host-pathogen interactions, and clinical studies. Timely and comprehensive, Meningococcal Vaccines: Methods and Protocols provides the scientist, public health physician, epidemiologist, clinical microbiologist, and clinician with the essential tools to lay bare the secrets of the meningococcus and to develop, evaluate, and implement successful new meningococcal vaccines
Association of Fat Grafting With Patient-Reported Outcomes in Postmastectomy Breast Reconstruction (2017)

Fat grafting may improve breast satisfaction, psychosocial well-being, and sexual well-being in patients undergoing breast reconstruction.
Molecular analysis of the region encoding the lytic system fromOenococcus oenitemperate bacteriophage Ï10MC (1999)

Malolactic fermentation by Oenococcus oeni is a crucial step in wine-making. Oe. oeni phages are thought to be responsible for fermentation failures, yet they have received little attention. After a molecular analysis concerning the phage phi 10MC integration system, this paper focuses on the lytic system. The attP (phage attachment site)-flanking region has been cloned and sequenced. The 1296-bp lysin gene (Lys) was identified in this region. The deduced amino acid sequence showed classical structural features of phage lysins, and this gene product expressed in Escherichia coli had a lytic activity against Oe. oeni. Downstream of Lys, a second ORF was present (P163). According to its amino acid sequence and the location of its gene, the product could be the phi 10MC holin. This study shows that the genomic organization of phage phi 10MC attP-flanking regions is very similar to that of other lactic acid bacteriophages.
Autonomous Driving approaches Downtown (1999)

Most computer vision systems for vehicle guidance developed in the past were designed for the comparatively simple highway scenario. Autonomous driving in the much more complex scenario of urban traffic or driver assistance systems like Intelligent Stop&Go are new challenges not only from the algorithmic but also from the system architecture point of view. This contribution describes our current work on these topics. It includes the appropriate algorithms as well as approaches to control the various vision modules.
Cell cycle regulation by the ubiquitin pathway (1997)

In the past 2 years, two ubiquitin-dependent proteolytic pathways have been established as important players in the regulation of the cell division cycle. In S. cerevisiae, the entry into S phase requires ubiquitin-mediated degradation of a cdk inhibitor, p40Sic1, in a pathway that involves the E2 enzyme Cdc34. Recent studies reviewed herein show that the Cdc34 pathway targets phosphorylated substrates. A second pathway that regulates chromosome segregation and mitotic exit by degrading anaphase inhibitors and mitotic cyclins involves a different E2 and a large molecular weight E3 complex, called the anaphase-promoting complex or cyclosome. This pathway targets substrates containing one or more destruction box motif.