Bradykinin receptor

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Identifiers
Symbol BDKRB1
Entrez 623
HUGO 1029
OMIM 600337
RefSeq NM_000710
UniProt P46663
Other data
Locus Chr. 14 q32.1-32.2
Identifiers
Symbol BDKRB2
Entrez 624
HUGO 1030
OMIM 113503
RefSeq NM_000623
UniProt P30411
Other data
Locus Chr. 14 q32.1-32.2

The bradykinin receptor is a receptor for bradykinin.

There are two Bradykinin receptors: the B1 receptor and the B2 receptor.[1]

B2 receptor

The B2 receptor is a G protein-coupled receptor, coupled to Gq and Gi. Gq stimulates phospholipase C to increase intracellular free calcium and Gi inhibits adenylate cyclase. Furthermore, the receptor stimulates the mitogen-activated protein kinase pathways. It is ubiquitously and constitutively expressed in healthy tissues.

The B2 receptor forms a complex with angiotensin converting enzyme (ACE), and this is thought to play a role in cross-talk between the renin-angiotensin system (RAS) and the kinin-kallikrein system (KKS). The heptapeptide angiotensin 1-7 (A1-7) also potentiates bradykinin action on B2 receptors.[2]

Kallidin also signals through the B2 receptor.

References

  1. Leeb-Lundberg LM, Marceau F, Müller-Esterl W, Pettibone DJ, Zuraw BL (2005). "International union of pharmacology. XLV. Classification of the kinin receptor family: from molecular mechanisms to pathophysiological consequences". Pharmacol. Rev. 57 (1): 27–77. doi:10.1124/pr.57.1.2. PMID 15734727.
  2. Fernandes L, Fortes ZB, Nigro D, Tostes RC, Santos RA, Catelli De Carvalho MH (2001). "Potentiation of bradykinin by angiotensin-(1-7) on arterioles of spontaneously hypertensive rats studied in vivo". Hypertension 37 (2 Part 2): 703–9. PMID 11230360.

External links

Template:Membrane-protein-stub

de:Bradykininrezeptor

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