ArticleLife sciences2006
Role of angiotensin II receptor subtypes in porcine basilar artery: functional, radioligand binding, and cell culture studies.
Article in Life sciences, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed, 9 citations in OpenAlex.
- Characteristics of Cerebrovascular Response to Intrinsic Vasoactive Substances in Sika Deer (Animals : an open access journal from MDPI · 2024Article
- Vasomotor effects of 5-hydroxytryptamine, histamine, angiotensin II, acetylcholine, noradrenaline, and bradykinin on the cerebral artery of bottlenose dolphin (Tursiops truncatus).The Journal of veterinary medical science · 2020Article
- A Systematic Review of the Complex Effects of Cannabinoids on Cerebral and Peripheral Circulation in Animal Models.Frontiers in physiology · 2018Review
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Authors and funding
6 authors at 2 institutions in 2 countries.
Funding
Abstract
We aimed to clarify responsiveness to angiotensin (Ang) II in the porcine basilar artery and the role of Ang II receptor subtypes by functional, radioligand binding, and cell culture studies. Ang II induced more potent contractions in the proximal part than in the distal part of isolated porcine basilar arteries. The contraction induced by Ang II was inhibited by the Ang II type 1 (AT1) receptor antagonist losartan, but the Ang II type 2 (AT2) receptor antagonist PD123319 enhanced it. After removal of the endothelium, the effect of losartan remained but the effect of PD123319 was abolished. The specific binding site of [3H]Ang II on the smooth muscle membrane was inhibited by losartan, but not by PD123319. Stimulation of angiotensin II increased nitric oxide (NO) production in cultured basilar arterial endothelial cells. This production was inhibited by PD123319 and the NO synthase inhibitor L-NG-nitroarginine. These results suggest that the contraction induced by Ang II might be mediated via the activation of AT1 receptors on the basilar arterial smooth muscle cells and be modulated via the activation of AT2 receptors on the endothelial cells, followed by NO production.
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Registered trials
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