نتایج جستجو برای: angiotensin 1
تعداد نتایج: 2785304 فیلتر نتایج به سال:
Angiotensin II stimulates prostaglandin release in blood vessels via activation of angiotensin receptors present in endothelium, vascular smooth muscle cells, or both. We evaluated the response of angiotensin II, angiotensin I, and [des-Phe8] angiotensin II [angiotensin-(1-7)] on prostaglandin release in porcine aortic endothelial cells. Incubation of cell monolayers with angiotensin I and angi...
The in vivo efficacy of many therapeutic peptides is hampered by their rapid proteolytic degradation. Cyclization of these therapeutic peptides is an excellent way to render them more resistant against breakdown. Here, we describe the enzymatic introduction of a thioether ring in angiotensin [Ang-(1-7)], a heptapeptide that plays a pivotal role in the renin-angiotensin system and possesses impo...
Angiotensin-(1-7) is a novel peptide of the renin-angiotensin system that counteracts the pressor and proliferative responses to angiotensin II. We now report that cultured bovine aortic endothelial cells contain a saturable, high-affinity [125I]angiotensin-(1-7) binding site with an affinity of 19.3 +/- 10.7 nmol/L and a density of 1351 +/- 710 fmol/mg protein. Angiotensin-(1-7) competed at a ...
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