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Purinergic Signal. 2007 Sep;3(4):255-68. doi: 10.1007/s11302-007-9064-0. Epub 2007 Sep 6.

Structural and functional evolution of the P2Y(12)-like receptor group.

Author information

  • 1Institute of Biochemistry, Molecular Biochemistry, Medical Faculty, University of Leipzig, Johannisallee 30, 04103, Leipzig, Germany, schoberg@medizin.uni-leipzig.de.

Abstract

Metabotropic pyrimidine and purine nucleotide receptors (P2Y receptors) belong to the superfamily of G protein-coupled receptors (GPCR). They are distinguishable from adenosine receptors (P1) as they bind adenine and/or uracil nucleotide triphosphates or diphosphates depending on the subtype. Over the past decade, P2Y receptors have been cloned from a variety of tissues and species, and as many as eight functional subtypes have been characterized. Most recently, several members of the P2Y(12)-like receptor group, which includes the clopidogrel-sensitive ADP receptor P2Y(12), have been deorphanized. The P2Y(12)-like receptor group comprises several structurally related GPCR which, however, display heterogeneous agonist specificity including nucleotides, their derivatives, and lipids. Besides the established function of P2Y(12) in platelet activation, expression in macrophages, neuronal and glial cells as well as recent results from functional studies implicate that several members of this group may have specific functions in neurotransmission, inflammation, chemotaxis, and response to tissue injury. This review focuses specifically on the structure-function relation and shortly summarizes some aspects of the physiological relevance of P2Y(12)-like receptor members.

PMID:
18404440
[PubMed]
PMCID:
PMC2072910
Free PMC Article

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