ArticleBritish journal of pharmacology1999
Pharmacological characterization of the bradykinin B2 receptor: inter-species variability and dissociation between binding and functional responses.
Article in British journal of pharmacology, 1999. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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8 citing papers in PubMed, 25 citations in OpenAlex.
- The Concise Guide to PHARMACOLOGY 2025/26: G protein-coupled receptors.British journal of pharmacology · 2025Review
- The Concise Guide to PHARMACOLOGY 2023/24: G protein-coupled receptors.British journal of pharmacology · 2023Article
- A Robust Bioassay of the Human Bradykinin BPharmaceuticals (Basel, Switzerland) · 2021Review
- Article
- The Concise Guide to PHARMACOLOGY 2013/14: G protein-coupled receptors.British journal of pharmacology · 2013Article
- G protein-coupled receptors sense fluid shear stress in endothelial cells.Proceedings of the National Academy of Sciences of the United States of America · 2006Article
- Pharmacological and functional characterization of the guinea-pig B2 bradykinin receptor stably expressed in CHO-K1 cell line.British journal of pharmacology · 2002Article
- Functional, biochemical and molecular biological evidence for a possible beta(3)-adrenoceptor in human near-term myometrium.British journal of pharmacology · 2000Article
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9 authors at 1 institution in 1 country.
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Abstract
1. The present study addresses the differences in binding profiles and functional properties of the human and rat bradykinin (BK) B2 receptor using various kinin receptor peptide derivatives as well as the non-peptide receptor antagonists WIN 64338 (phosphonium, [[4-[[2-[[bis(cyclohexylamino)methylene]amino]-3-(2-naphtalenyl)1- oxopropyl]amino]-phenyl]-methyl]tributyl, chloride, monohydro-chloride), and FR173657 (E)-3-(6-acetamido-3-pyridyl)-N-[-N-[2,4-dichloro-3-[(2-methyl-8-quinoli nyl)oxymethyl]-phenyl]N-methylamino carbonyl methyl] acrylamide. 2. [3H]-BK bound with a similar affinity to membranes of Chinese hamster ovary cells (CHO-K1) expressing the cloned human (hB2-CHO) or rat (rB2-CHO) B2 receptor, human embryonic intestine cells (INT407) expressing the native B2 receptor, human umbilical vein (HUV) and rat uterus (RU). WIN 64338 and FR173657 bound with a 3.8-6.6 fold and 7.0-16.3 fold higher affinity the rat than the human B2 receptor, respectively. The affinity values of BK derivatives as well as non-peptide antagonists were reduced by 6-23 fold in physiological HBSS compared to low ionic strength TES binding buffer. 3. BK (0.01-3000 nM) increased inositol triphosphates (IP3) levels in hB2-CHO, rB2-CHO and INT407 cells. The B2 receptor antagonist, Hoe 140 (D-Arg0-[ Hyp3, Thi5, D-Tic7, Oic8]-BK) at 10(-7) M, significantly shifted to the right the IP3 response curves to BK giving apparent pKB values of 8.56, 9.79 and 8.84 for hB2-CHO, rB2-CHO and INT407 cells, respectively. 4. In human isolated umbilical vein, Hoe 140, D-Arg0-[Hyp3, D-Phe7, Leu8]-BK and NPC 567 had a lower potency in functional assays (pKB 8.18, 5.77 and 5.60, respectively) than expected from their affinity in binding studies (pKi 10.52, 8.64 and 8.27, respectively). 5. FR173657 behaved as a high affinity ligand with pKi values of 8.59 and 9.81 and potent competitive antagonist with pKB values of 7.80 and 8.17 in HUV and RU, respectively. FR173657 bound with a similar affinity the cloned and native bradykinin B2 receptor in human (pKi of 8.66 and 8.59, respectively) and in rat (pKi 9.67 and 9.81, respectively). 6. In conclusion, we suggest that the binding buffer composition has to be taken into account when screening new compounds and that inter-species differences should be considered when setting up animal models with the aim of developing bradykinin B2 receptor antagonists as therapeutic agents.
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