ArticleNaunyn-Schmiedeberg's archives of pharmacology2008
Receptor-independent sensitization of the adenylyl cylase after chronic treatment with cyclosporine A.
Article in Naunyn-Schmiedeberg's archives of pharmacology, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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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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0 citing papers in PubMed, 1 citations in OpenAlex.
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Authors and funding
8 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Chronic treatment with cyclosporine A (CyA) is often complicated by severe hypertension. If activation of the beta-adrenergic-receptor-linked adenylyl cyclase (AC) system contributes to hypertension is unresolved. Rats were treated with CyA (20 mg kg(-1) day(-1)) for 7 days. beta-adrenergic, muscarinic, and alpha-adrenergic receptors, G-proteins, and the activity of AC were determined in cardiac and pulmonary plasma membranes. The density of cardiac beta-adrenergic receptors, muscarinic receptors, alpha-adrenergic receptors, G(alphas) and, G(alphai) remained unchanged after treatment with CyA. However, CyA increased the responsiveness of AC to different stimulators. The responsiveness of AC was even more pronounced after solubilization and partial purification, suggesting a direct modulation of the enzyme. These data suggest that CyA modulates the activity of the sympathoadrenergic system by a direct, receptor-independent sensitization of AC, suggesting that this pathway contributes to hypertension in patients treated with CyA.
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