PMID: 8594908Dec 1, 1995Paper

Reciprocal regulation of endothelin-1 and endothelial constitutive NOS in proliferating endothelial cells

The American Journal of Physiology
M A FlowersP A Marsden

Abstract

The expression of endothelin-1 (ET-1) and endothelial constitutive nitric oxide synthase (ecNOS) was assessed in two independent in vitro models: asynchronously differentially proliferating cultures and wounded endothelial cell monolayers. Northern blot analysis of RNA isolated from preconfluent, confluent, and postconfluent cells revealed a fourfold rise in ET-1 mRNA transcripts, whereas levels of ecNOS mRNA transcripts were reduced twofold in proliferating cells. Nuclear run-off analysis demonstrated that increased steady-state ET-1 mRNA content in proliferating cells was mediated, in part, by increased gene transcription. In contrast, ecNOS transcription rates in proliferating cells were not decreased compared with quiescent nonproliferating cells, indicating that mRNA destabilization mediated the decreased ecNOS mRNA levels in proliferating endothelium. Concordant changes in protein expression were documented for both ET-1 and ecNOS. In injured endothelial cell monolayers, in situ cRNA hybridization demonstrated increased mRNA transcript levels for ET-1 in growth fronts of injured endothelial monolayers. These data are taken to indicate that expression of ET-1 and ecNOS is reciprocally regulated in two different models of e...Continue Reading

Citations

Dec 6, 2003·Arteriosclerosis, Thrombosis, and Vascular Biology·Sharon C TaiPhilip A Marsden
Feb 14, 2006·American Journal of Physiology. Cell Physiology·Kensuke NomaJames K Liao
Mar 23, 2002·Circulation Research·L González-SantiagoD Rodríguez-Puyol
Apr 6, 2000·American Journal of Physiology. Heart and Circulatory Physiology·A M TeichertP A Marsden
Jan 31, 2004·Arteriosclerosis, Thrombosis, and Vascular Biology·Kayoko GoyaIchiro Kawase
Sep 1, 1996·Circulation Research·R A KellyT W Smith
Oct 23, 2014·American Journal of Physiology. Endocrinology and Metabolism·Patricia Martínez-MiguelSusana López-Ongil
Jan 28, 1998·Stroke; a Journal of Cerebral Circulation·E ThorinA Bouthillier
May 23, 2020·Current Medicinal Chemistry·Zsófia LázárAndras Bikov

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