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- W2019942942 endingPage "1426" @default.
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- W2019942942 abstract "Fluid shear stress plays a critical role in the regulation of vascular biology and its pathology, such as atherosclerosis, via modulation of redox balance. Both pro-atherogenic (either oscillatory or turbulent, nonunidirectional) shear stress and anti-atherogenic (either steady or pulsatile, unidirectional laminar) shear stress stimulate production of reactive oxygen species (ROS) and reactive nitrogen species (RNS) that are involved in signal transduction of gene expression. Nonunidirectional shear stress induces pro-atherogenic genes encoding adhesion molecules and chemokines in a manner dependent on production of both superoxide and nitric oxide. Steady or pulsatile laminar shear stress induces expression of genes encoding cytoprotective enzymes for glutathione biosynthesis and detoxification, which are regulated by the transcription factor nuclear factor (erythroid-derived 2)-like 2 (Nrf2). We show that pulsatile laminar shear stress (PLSS)-induced expression of adhesion molecules and chemokines was enhanced in human umbilical vein endothelial cells (HUVEC) treated with Nrf2 siRNA and arterial endothelial cells isolated from Nrf2 knockout mice. Hence, we propose the hypothesis that PLSS maintains the endothelium in an anti-atherogenic state via intracellular antioxidant levels increased as a result of Nrf2 activation, thereby preventing excess ROS/RNS production required for pro-atherogenic gene expression. Antioxid. Redox Signal. 15, 1415–1426." @default.
- W2019942942 created "2016-06-24" @default.
- W2019942942 creator A5029772199 @default.
- W2019942942 creator A5053192871 @default.
- W2019942942 creator A5065692179 @default.
- W2019942942 date "2011-09-01" @default.
- W2019942942 modified "2023-10-13" @default.
- W2019942942 title "Anti-Atherogenic Effect of Laminar Shear Stress<i>via</i>Nrf2 Activation" @default.
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