Institution
Tulane University
Education•New Orleans, Louisiana, United States•
About: Tulane University is a education organization based out in New Orleans, Louisiana, United States. It is known for research contribution in the topics: Population & Blood pressure. The organization has 24478 authors who have published 47205 publications receiving 1944993 citations. The organization is also known as: University of Louisiana.
Topics: Population, Blood pressure, Receptor, Poison control, Medicine
Papers published on a yearly basis
Papers
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TL;DR: In this paper, the performance of recent density functionals for the exchange-correlation energy of a nonmolecular solid, by applying accurate calculations with the GAUSSIAN, BAND, and VASP codes to a test set of 24 solid metals and nonmetals.
Abstract: We assess the performance of recent density functionals for the exchange-correlation energy of a nonmolecular solid, by applying accurate calculations with the GAUSSIAN, BAND, and VASP codes to a test set of 24 solid metals and nonmetals. The functionals tested are the modified Perdew-Burke-Ernzerhof generalized gradient approximation PBEsol GGA, the second-order GGA SOGGA, and the Armiento-Mattsson 2005 AM05 GGA. For completeness, we also test more standard functionals: the local density approximation, the original PBE GGA, and the Tao-Perdew-Staroverov-Scuseria meta-GGA. We find that the recent density functionals for solids reach a high accuracy for bulk properties lattice constant and bulk modulus. For the cohesive energy, PBE is better than PBEsol overall, as expected, but PBEsol is actually better for the alkali metals and alkali halides. For fair comparison of calculated and experimental results, we consider the zeropoint phonon and finite-temperature effects ignored by many workers. We show how GAUSSIAN basis sets and inaccurate experimental reference data may affect the rating of the quality of the functionals. The results show that PBEsol and AM05 perform somewhat differently from each other for alkali metal, alkaline-earth metal, and alkali halide crystals where the maximum value of the reduced density gradient is about 2, but perform very similarly for most of the other solids where it is often about 1. Our explanation for this is consistent with the importance of exchange-correlation nonlocality in regions of core-valence overlap.
683 citations
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TL;DR: A novel erythropolesis-stimulating factor (NESP, darbepoetin) has been synthesized and when compared with rHu EPO, NESP has a higher carbohydrate content, a longer plasma half-life, the amino acid sequence differs from that of native human EPO at five positions, and has been reported to maintain hemoglobin levels just as effectively in patients with chronic renal failure as rHuEPO at less frequent dosing.
Abstract: This minireview is an update of a 1997 review on erythropoietin (EPO) in this journal. EPO is a 30,400-dalton glycoprotein that regulates red cell production. In the human, EPO is produced by peritubular cells in the kidneys of the adult and in hepatocytes in the fetus. Small amounts of extra-renal EPO are produced by the liver in adult human subjects. EPO binds to an erythroid progenitor cell surface receptor that includes a p66 chain, and, when activated, the p66 protein becomes dimerized. EPO receptor activation induces a JAK2 tyrosine kinase, which leads to tyrosine phosphorylation of the EPO receptor and several proteins. EPO receptor binding leads to intracellular activation of the Ras/mitogen-activated kinase pathway, which is involved with cell proliferation, phosphatidylinositol 3-kinase, and STATS 1, 3, 5A, and 5B transcriptional factors. EPO acts primarily to rescue erythroid cells from apoptosis (programmed cell death) to increase their survival. EPO acts synergistically with several growth factors (SCF, GM-CSF, 1L-3, and IGF-1) to cause maturation and proliferation of erythroid progenitor cells (primarily colony-forming unit-E). Oxygen-dependent regulation of EPO gene expression is postulated to be controlled by a hypoxia-inducible transcription factor (HIF-1alpha). Hypoxia-inducible EPO production is controlled by a 50-bp hypoxia-inducible enhancer that is approximately 120 bp 3' to the polyadenylation site. Hypoxia signal transduction pathways involve kinases A and C, phospholipase A(2), and transcription factors ATF-1 and CREB-1. A model has been proposed for adenosine activation of EPO production that involves protein kinases A and C and the phospholipase A(2) pathway. Other effects of EPO include a hematocrit-independent, vasoconstriction-dependent hypertension, increased endothelin production, upregulation of tissue renin, change in vascular tissue prostaglandins production, stimulation of angiogenesis, and stimulation of endothelial and vascular smooth muscle cell proliferation. Recombinant human EPO (rHuEPO) is currently being used to treat patients with anemias associated with chronic renal failure, AIDS patients with anemia due to treatment with zidovudine, nonmyeloid malignancies in patients treated with chemotherapeutic agents, perioperative surgical patients, and autologous blood donation. A novel erythropoiesis-stimulating factor (NESP, darbepoetin) has been synthesized and when compared with rHuEPO, NESP has a higher carbohydrate content (52% vs 40%), a longer plasma half-life, the amino acid sequence differs from that of native human EPO at five positions, and has been reported to maintain hemoglobin levels just as effectively in patients with chronic renal failure as rHuEPO at less frequent dosing. The use of rHuEPO and darbepoetin to enhance athletic performance is officially banned by most sports-governing bodies because the excessive erythrocytosis can lead to increased thrombogenicity and can cause deep vein, coronary, and cerebral thromboses.
683 citations
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08 Jun 1998TL;DR: Attitudes Much Ado about Something Job Satisfaction Reconsidered The Social Psychology of Attitudes A Little of This, a Little of That job Satisfaction Redux Attitudinal Baggage Negative Racial Attitudes as an Exemplar Goodwill An Attitudinal Perspective The study of attitudes in the Organizational Sciences as History
Abstract: Attitudes Much Ado about Something Job Satisfaction Reconsidered The Social Psychology of Attitudes A Little of This, A Little of That Job Satisfaction Redux Attitudinal Baggage Negative Racial Attitudes as an Exemplar Goodwill An Attitudinal Perspective The Study of Attitudes in the Organizational Sciences as History
681 citations
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University of Missouri1, Auburn University2, University of Cincinnati3, United States Environmental Protection Agency4, Maryville College5, University of Siena6, University of Florida7, Harvard University8, National Institutes of Health9, Washington State University10, National Institutes of Natural Sciences, Japan11, Brunel University London12, Case Western Reserve University13, University of Connecticut14, North Carolina State University15, Emory University16, Tulane University17, Universidad Miguel Hernández de Elche18, University of Granada19, University of Illinois at Chicago20, United States Geological Survey21, Tufts University22, Charité23, Carleton College24, University of Texas Medical Branch25, University of Massachusetts Amherst26
TL;DR: This document is a summary statement of the outcome from he meeting: “Bisphenol A: An Examination of the Relevance of cological, In vitro and Laboratory Animal Studies for Assessng Risks to Human Health” sponsored by both the NIEHS and IDCR at NIH/DHHS.
681 citations
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Baylor College of Medicine1, Beth Israel Deaconess Medical Center2, Emory University3, Ochsner Medical Center4, Icahn School of Medicine at Mount Sinai5, Cedars-Sinai Medical Center6, University of Tennessee Health Science Center7, University of Texas Health Science Center at San Antonio8, American Association of Clinical Endocrinologists9, Tulane University10, University of Alabama at Birmingham11, Wayne State University12, The American College of Financial Services13, University of California, San Diego14, University of Washington15, University of Miami16, Washington University in St. Louis17, University of California, Irvine18
TL;DR: This chapter discusses the development and use of eicosapentaenoic acid as a treatment for diabetic ketoacidosis and its applications in conventional and regenerative medicine.
680 citations
Authors
Showing all 24722 results
Name | H-index | Papers | Citations |
---|---|---|---|
Walter C. Willett | 334 | 2399 | 413322 |
JoAnn E. Manson | 270 | 1819 | 258509 |
Frank B. Hu | 250 | 1675 | 253464 |
Eric B. Rimm | 196 | 988 | 147119 |
Krzysztof Matyjaszewski | 169 | 1431 | 128585 |
Nicholas J. White | 161 | 1352 | 104539 |
Tien Yin Wong | 160 | 1880 | 131830 |
Tomas Hökfelt | 158 | 1033 | 95979 |
Thomas E. Starzl | 150 | 1625 | 91704 |
Geoffrey Burnstock | 141 | 1488 | 99525 |
Joseph Sodroski | 138 | 542 | 77070 |
Glenn M. Chertow | 128 | 764 | 82401 |
Darwin J. Prockop | 128 | 576 | 87066 |
Kenneth J. Pienta | 127 | 671 | 64531 |
Charles Taylor | 126 | 741 | 77626 |