Adipocyte-Specific Overexpression of FOXC2 Prevents Diet-Induced Increases in Intramuscular Fatty Acyl CoA and Insulin Resistance
Kim JK, Kim HJ, Park SY, Cederberg A, Westergren R, Nilsson D, Higashimori T, Cho YR, Liu ZX, Dong J, Cline GW, Enerback S, Shulman GI. Adipocyte-Specific Overexpression of FOXC2 Prevents Diet-Induced Increases in Intramuscular Fatty Acyl CoA and Insulin Resistance. Diabetes 2005, 54: 1657-1663. PMID: 15919786, DOI: 10.2337/diabetes.54.6.1657.Peer-Reviewed Original ResearchConceptsWild-type miceInsulin resistanceType 2 diabetesAdipocyte-specific overexpressionHigh-fat feedingTg miceGlucose metabolismTransgenic miceDiet-induced hepatic insulin resistanceChronic high-fat feedingTissue-specific insulin actionWhole-body fat massWhole-body glucose metabolismDiet-induced insulin resistanceIntracellular fat contentDiet-induced obesityHigh-fat dietInsulin-mediated suppressionFatty acyl-CoA levelsHepatic insulin resistanceNovel therapeutic targetHepatic glucose productionAcyl-CoA levelsIntramuscular accumulationGlucose intoleranceHormone-sensitive lipase knockout mice have increased hepatic insulin sensitivity and are protected from short-term diet-induced insulin resistance in skeletal muscle and heart
Park SY, Kim HJ, Wang S, Higashimori T, Dong J, Kim YJ, Cline G, Li H, Prentki M, Shulman GI, Mitchell GA, Kim JK. Hormone-sensitive lipase knockout mice have increased hepatic insulin sensitivity and are protected from short-term diet-induced insulin resistance in skeletal muscle and heart. AJP Endocrinology And Metabolism 2005, 289: e30-e39. PMID: 15701680, DOI: 10.1152/ajpendo.00251.2004.Peer-Reviewed Original ResearchConceptsHSL-KO miceHormone-sensitive lipaseDiet-induced insulin resistanceHSL-deficient miceHigh-fat feedingInsulin resistanceSkeletal muscleGlucose metabolismInsulin actionTissue-specific insulin actionWhole-body fat massGlucose uptakeDiabetic heart failureDiet-induced obesityNormal chow dietBody fat massGroups of miceHyperinsulinemic-euglycemic clampType 2 diabetesFatty acyl-CoA levelsHepatic insulin actionHepatic insulin sensitivityWild-type miceLiver glucose metabolismCardiac glucose uptake