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Matches in SemOpenAlex for { <https://semopenalex.org/work/W2038802014> ?p ?o ?g. }

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• W2038802014 startingPage "834" @default.
• W2038802014 abstract "Fluid shear stimulates endothelial cells, with the external hemodynamic forces transduced across the plasma membrane to modulate intracellular events. We report the first direct evidence that identifies specific GTP binding proteins (G proteins) activated within 1 second of flow onset, representing one of the earliest mechanochemical signal transduction events reported to date in shear-stimulated endothelium. A nonhydrolyzable GTP photoreactive analogue, azidoanilido [α- 32 P]GTP (AAGTP), allowed irreversible labeling of flow-stimulated G proteins, with two protein bands (42 kD and 31 kD) identified in human umbilical vein endothelial cells (HUVECs) subjected to laminar flow (10 dyne/cm 2 ) in a parallel-plate flow chamber. Immunoprecipitation of labeled whole-cell lysates identified the specific G-protein subunits G αq/α11 and G αi3/αo as being activated by flow. Endothelial cell membrane vesicles were sheared in a cone-and-plate viscometer, with the 42-kD protein band labeled by AAGTP, but the 31-kD protein absent, indicating that the 42-kD G protein is membrane associated and activated independently of intact cytoskeletal or cytosolic components. Our results describe one of the earliest flow-induced signaling events reported in HUVECs, providing insight into the primary mechanosensing and signal transduction mechanisms." @default.
• W2038802014 created "2016-06-24" @default.
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• W2038802014 date "1996-10-01" @default.
• W2038802014 modified "2023-10-15" @default.
• W2038802014 title "Fluid Flow Rapidly Activates G Proteins in Human Endothelial Cells" @default.
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• W2038802014 doi "https://doi.org/10.1161/01.res.79.4.834" @default.
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