ArticleBritish journal of pharmacology2004
Bradykinin B2 and GPR100 receptors: a paradigm for receptor signal transduction pharmacology.
Article in British journal of pharmacology, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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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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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
2 citing papers in PubMed, 14 citations in OpenAlex.
- Comparative antagonist pharmacology at the native mouse bradykinin B2 receptor: radioligand binding and smooth muscle contractility studies.British journal of pharmacology · 2007Article
- Hypothesized and found mechanisms for potentiation of bradykinin actions.Signal transduction · 2006Article
Corrections and comments
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Authors and funding
10 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The aim of the present report was to investigate the ligand selectivity of the human orphan G-protein-coupled receptor GPR100 (hGPR100), recently identified as a novel bradykinin (BK) receptor, as compared with that of the human B(2) receptor (hB(2)R) stably transfected in Chinese hamster ovary cells. BK was able to inhibit the cAMP production induced by forskolin with a potency 100-fold lower at the hGPR100 (pEC(50) = 6.6) than that measured at the hB(2)R (pEC(50) = 8.6). Both effects were inhibited by the B(2) receptor antagonist Icatibant (1 microM). The nonpeptide B(2) receptor agonist FR190997 (8-[2,6-dichloro-3-[N-methylcarbamoyl)cinnamidoacetyl]-N-methylamino]benzyloxy]-2-methyl-4-(2-pyridylmethoxy)quinoline) did inhibit the forskolin-induced cAMP production (pEC(50) = 7.7) at the hB(2)R, whereas it was not able to exert any effect at the hGPR100. The human insulin-like peptide relaxin 3 did inhibit the cAMP production at the hGPR100 (pEC(50) = 7.3) at a greater extent than BK, and was devoid of any effect at the hB(2)R. FR190997 and relaxin 3 responses at the hB(2)R and hGPR100, respectively, were not inhibited by Icatibant (1 microM). These data indicate FR190997 and relaxin 3 as selective agonists for hB(2)R and hGPR100, respectively, and support the concept that different agonists may specifically bias the conformational states of a receptor to result in a final common G protein coupling, which is differentially recognized by antagonists.
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Registered trials
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