L’acide lysophosphatidique: un lien entre obésité et intolérance au glucose
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文摘
Lysophosphatidicacid (LPA) is a lipid mediator acting through specific receptors (LPAR) and is synthesized by autotaxin (ATX), a secreted lysophospholipase D. ATX expression is increased in gluco-intolerant obese individuals. LPA inhibits adipogenesis and impairs glucose tolerance through inhibition of insulin secretion. In obesemice fed a high fat diet, invalidation ATX in adipocytes (FATX-KOmice), or treatment with a LPAR antagonist, enhance adipose tissue expansion while improving glucose and insulin tolerance. Thus, ATX and LPAR represent potential pharmacological targets to treat obesity-associated metabolic diseases.
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