V
Valerie E. Armstead
Researcher at Thomas Jefferson University
Publications - 17
Citations - 850
Valerie E. Armstead is an academic researcher from Thomas Jefferson University. The author has contributed to research in topics: Endothelin receptor & Tissue factor. The author has an hindex of 11, co-authored 17 publications receiving 816 citations.
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Journal ArticleDOI
Hypoxia-inducible Factor-1-mediated Expression of the 6-Phosphofructo-2-kinase/fructose-2,6-bisphosphatase-3 (PFKFB3) Gene ITS POSSIBLE ROLE IN THE WARBURG EFFECT
Alexander G. Minchenko,Irene Leshchinsky,Irina Opentanova,Nianli Sang,Vickram Srinivas,Valerie E. Armstead,Jaime Caro +6 more
TL;DR: It is shown that one isozyme, PFKFB3, is highly induced by hypoxia and thehypoxia mimics cobalt and desferrioxamine, and could be replicated by the use of an inhibitor of the prolyl hydroxylase enzymes responsible for the von Hippel Lindau (VHL)-dependent destabilization and tagging of HIF-1α.
Journal ArticleDOI
Physiological concentrations of nitric oxide do not elicit an acute negative inotropic effect in unstimulated cardiac muscle.
Andrew S. Weyrich,Xin-Liang Ma,Michael Buerke,Toyoaki Murohara,Valerie E. Armstead,Allan M. Lefer,Josep M. Nicolás,Andrew P. Thomas,David J. Lefer,Jakob Vinten-Johansen +9 more
TL;DR: Results indicate that administration of physiological concentrations of exogenous NO does not acutely depress the inotropic state of the rat or cat heart to a physiologically significant extent.
Journal ArticleDOI
Regulation of P-selectin expression in human endothelial cells by nitric oxide.
Valerie E. Armstead,Alexander G. Minchenko,R. A. Schuhl,Reid Hayward,Tareck O. Nossuli,Allan M. Lefer +5 more
TL;DR: A regulatory effect of NO on endothelial P-selectin expression that modulates early leukocyte-endothelial cell interactions to preserve vascular homeostasis is suggested.
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Essential role of P-selectin in the initiation of the inflammatory response induced by hemorrhage and reinfusion.
TL;DR: Activation of P-selectin protein on the microvascular endothelium is essential for the initial upregulation of the inflammatory response occurring in hemorrhagic shock and endogenous levels of PSGL-1 mRNA were significantly increased in the lung, liver, and small intestine of wild-type mice subjected to hemorrhagicshock.
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Tissue factor expression in vital organs during murine traumatic shock: Role of transcription factors AP-1 and NF-κB
TL;DR: It is suggested that TF may play an important role in the pathophysiology of severe trauma and that regulatory elements AP-1 and NF-kappaB may be involved in the regulation of TF mRNA expression in traumatic shock.