FUNCTION: Proton-sensing G-protein coupled receptor couples to multiple intracellular signaling pathways, including GNAS/cAMP, GNAQ/phospholipase C (PLC), and GNA12/GNA13/Rho pathways (PubMed:12955148, PubMed:17462861, PubMed:22110680, PubMed:20211729). Acidosis-induced GPR4 activation increases par...
FUNCTION: Proton-sensing G-protein coupled receptor couples to multiple intracellular signaling pathways, including GNAS/cAMP, GNAQ/phospholipase C (PLC), and GNA12/GNA13/Rho pathways (PubMed:12955148, PubMed:17462861, PubMed:22110680, PubMed:20211729). Acidosis-induced GPR4 activation increases paracellular gap formation and permeability of vascular endothelial cells through the GNA12/GNA13/Rho GTPase signaling pathway (PubMed:32058960). In the brain may mediate central respiratory sensitivity to CO(2)H(+) (By similarity). {ECO:0000250|UniProtKB:Q8BUD0, ECO:0000269|PubMed:12955148, ECO:0000269|PubMed:17462861, ECO:0000269|PubMed:20211729, ECO:0000269|PubMed:22110680, ECO:0000269|PubMed:32058960}.
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GO - Biological processes (BP):
adenylate cyclase-activating G protein-coupled receptor signaling pathway [GO:0007189]; angiogenesis involved in wound healing [GO:0060055]; glomerular mesangial cell development [GO:0072144]; G protein-coupled receptor signaling pathway [GO:0007186]; negative regulation of angiogenesis [GO:0016525]...
adenylate cyclase-activating G protein-coupled receptor signaling pathway [GO:0007189]; angiogenesis involved in wound healing [GO:0060055]; glomerular mesangial cell development [GO:0072144]; G protein-coupled receptor signaling pathway [GO:0007186]; negative regulation of angiogenesis [GO:0016525]; phospholipase C-activating G protein-coupled receptor signaling pathway [GO:0007200]; positive regulation of cytosolic calcium ion concentration involved in phospholipase C-activating G protein-coupled signaling pathway [GO:0051482]; positive regulation of inflammatory response [GO:0050729]; positive regulation of Rho protein signal transduction [GO:0035025]; regulation of cell adhesion [GO:0030155]; regulation of vascular permeability [GO:0043114]; response to acidic pH [GO:0010447]
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GO - Molecular function (MF):
G protein-coupled receptor activity [GO:0004930]...
G protein-coupled receptor activity [GO:0004930]
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GO - Cellular component (CC):
integral component of plasma membrane [GO:0005887]; plasma membrane [GO:0005886]...
integral component of plasma membrane [GO:0005887]; plasma membrane [GO:0005886]
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