Regulation of vascular physiology and pathology by the S1P2 receptor subtype

被引:84
作者
Skoura, Athanasia [1 ]
Hla, Timothy [1 ]
机构
[1] Univ Connecticut, Ctr Hlth, Ctr Vasc Biol, Farmington, CT 06030 USA
关键词
Sphingosine-1-phosphate; Angiogenesis; Vascular permeability; Inflammation; Retinopathy; PROTEIN-COUPLED RECEPTOR; SPHINGOSINE 1-PHOSPHATE RECEPTOR; INTRACELLULAR SIGNALING PATHWAYS; CELLULAR RAC ACTIVITY; SMOOTH-MUSCLE-CELLS; IN-VIVO; SPHINGOSINE-1-PHOSPHATE RECEPTOR-2; LYSOPHOSPHOLIPID RECEPTOR; SPHINGOLIPID METABOLISM; LYSOPHOSPHATIDIC ACID;
D O I
10.1093/cvr/cvp088
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Sphingosine-1-phosphate (S1P) is now recognized as a lipid mediator that acts via G-protein-coupled receptors. S1P receptors couple to various heterotrimeric G-proteins and regulate downstream targets and ultimately cell behaviour. The prototypical S1P(1) receptor is known to couple to G(i) and regulates angiogenesis, vascular development, and immune cell trafficking. In this review, we focus our attention on the S1P(2) receptor, which has a unique G-protein-coupling property in that it preferentially activates the G(12/13) pathway. Recent studies indicate that the S1P(2) receptor regulates critical intracellular signalling pathways, such as Rho GTPase, the phosphatase PTEN, and VE-cadherin-based adherens junctions. Analysis of mutant mice has revealed the critical role of this receptor in inner ear physiology, heart and vascular development, vascular remodelling, and vascular tone, permeability, and angiogenesis in vertebrates. These studies suggest that selective modulation of S1P(2) receptor function by pharmacological tools may be useful in a variety of pathological conditions.
引用
收藏
页码:221 / 228
页数:8
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