ArticleBritish journal of pharmacology1996
Selective labelling of bradykinin receptor subtypes in WI38 human lung fibroblasts.
Article in British journal of pharmacology, 1996. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Bradyzide, a potent non-peptide B(2) bradykinin receptor antagonist with long-lasting oral activity in animal models of inflammatory hyperalgesia.British journal of pharmacology · 2000Article
- Pharmacological characterization of the bradykinin B2 receptor: inter-species variability and dissociation between binding and functional responses.British journal of pharmacology · 1999Article
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4 authors.
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Abstract
1. Binding of the B1 bradykinin receptor radioligand, [3H]-des-Arg10-kallidin (-KD) and the B2 receptor radioligand [3H]-bradykinin (-BK) was investigated in membranes prepared from WI38 human foetal lung fibroblasts. 2. One-site analysis of the saturation data for [3H]-des-Arg10-KD gave an equilibrium dissociation constant (KD) value of 0.51 +/- 0.12 nM and a maximum receptor density (Bmax) of 260 +/- 49 fmol mg-1 of protein. [3H]-des-Arg10-KD binding was displaced by ligands in the order: des-Arg10-KD > KD > > des-Arg9[Leu8]-BK > des-Arg9-BK > Hoe 140 > > BK, implying that it was binding selectively to B1 receptors. 3. One-site analysis of the binding of [3H]-BK to W138 membranes indicated that it had a KD value of 0.25 +/- 0.06 nM and a Bmax of 753 +/- 98 fmol mg-1 of protein. The potencies for displacement of [3H]-BK binding were: Hoe 140 > > BK = KD > > > des-Arg10-KD = des-Arg9[Leu8]-BK = des-Arg9-BK, which was consistent with binding to B2 receptors. 4. This is the first characterization of [3H]-des-Arg10-KD binding to include both kinetic and equilibrium data, and demonstrates that [3H]-des-Arg10-KD has a high affinity for human B1 bradykinin receptors and is sufficiently selective to be used as a radioligand for B1 receptors in human cells or tissues expressing an excess of B2 BK receptors.
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