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Overview
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Background
Ki: 49 ±14 nM for neuromedin B-induced endpoint in huNMBR cells
Neuromedin B, a mammalian peptide of the bombesinlike peptide family sharing amino acid homology with its amphibian counterpart ranatensin, elicits a diverse array of biological responses in central and peripheral tissues. BIM 23042 [D-Nal-Cys-Tyr- D-Trp-Lys-Val-Cys-Nal-NH2] is a selective neuromedin B antagonist.
In vitro: BIM 23042 has a l00-fold greater affinity for BB1 receptors than BB2 receptors. The submaximal mobilisation observed with neuromedin B (1 nM) was abolished by BIM 23042 but restored with a subsequently higher concentration of neuromedin B (1 μM). BIM 23042 competitively inhibited neuromedin B-induced endpoint in huNMBR cells with a Ki of 49 ±14 nM [1].
Clinical trial: Up to now, BIM 23042 is still in the preclinical development stage.[1] Ryan RR, Taylor JE, Daniel JL, Cowan A. Pharmacological profiles of two bombesin analogues in cells transfected with human neuromedin B receptors. Eur J Pharmacol. 1996 Jun 13;306(1-3):307-14.
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- Properties
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Overview