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lüll Platelet-activating factor receptor Honda Z; Ishii S; Shimizu TJ Biochem 2002[Jun]; 131 (6): 773-9Platelet-activating factor (PAF) is a pro-inflammatory lipid mediator possessing a unique 1-O-alkyl glycerophospholipid (GPC) backbone (1-O-alkyl-2-acetyl-sn-glycero-3-phosphocholin). Cloned PAF receptor, which belongs to the G protein-coupled receptor superfamily, transduces pleiotropic functions including cell motility, smooth muscle contraction, and synthesis and release of mediators and cytokines via multiple heterotrimeric G proteins. Pharmacological studies have suggested that PAF functions in a variety of settings including allergy, inflammation, neural functions, reproduction, and atherosclerosis. Establishment of PAFR(-/-) mice confirmed that the PAF receptor is responsible for pro-inflammatory responses, but that its roles in other settings remain to be clarified.|*Receptors, G-Protein-Coupled[MESH]|Amino Acid Sequence[MESH]|Animals[MESH]|Humans[MESH]|Membrane Proteins/chemistry/physiology[MESH]|Platelet Activating Factor/*metabolism[MESH]|Platelet Membrane Glycoproteins/chemistry/*physiology[MESH]|Protein Conformation[MESH]|Receptors, Cell Surface/chemistry/*physiology[MESH]|Signal Transduction/*physiology[MESH] |