Faculty of Pharma-Sciences, Teikyo University, 2-11-1 Kaga, Itabashi-Ku, Tokyo 173-8605, Japan.
Biology (Basel). 2014 Nov 19;3(4):801-30. doi: 10.3390/biology3040801.
Acyl-CoA:glycerol-3-phosphate acyltransferase (GPAT) and acyl-CoA: 1-acyl-glycerol-3-phosphate acyltransferase (AGPAT) are involved in the de novo synthesis of triacylglycerol (TAG) and glycerophospholipids. Many enzymes belonging to the GPAT/AGPAT family have recently been identified and their physiological or pathophysiological roles have been proposed. The roles of GPAT/AGPAT in the synthesis of TAG and obesity-related diseases were revealed through the identification of causative genes of these diseases or analyses of genetically manipulated animals. Recent studies have suggested that some isoforms of GPAT/AGPAT family enzymes are involved in the fatty acid remodeling of phospholipids. The enzymology of GPAT/AGPAT and their physiological/ pathological roles in the metabolism of glycerolipids have been described and discussed in this review.
酰基辅酶 A:甘油-3-磷酸酰基转移酶 (GPAT) 和酰基辅酶 A:1-酰基甘油-3-磷酸酰基转移酶 (AGPAT) 参与三酰基甘油 (TAG) 和甘油磷脂的从头合成。最近已经鉴定出许多属于 GPAT/AGPAT 家族的酶,并提出了它们的生理或病理生理作用。通过鉴定这些疾病的致病基因或对基因改造动物进行分析,揭示了 GPAT/AGPAT 在 TAG 合成和肥胖相关疾病中的作用。最近的研究表明,GPAT/AGPAT 家族酶的一些同工酶参与了磷脂的脂肪酸重塑。本文综述了 GPAT/AGPAT 的酶学及其在甘油酯代谢中的生理/病理作用。