Login / Signup

Retinol dehydrogenase 10 reduction mediated retinol metabolism disorder promotes diabetic cardiomyopathy in male mice.

Yandi WuTong-Sheng HuangXinghui LiConghui ShenHonglin RenHaiping WangTeng WuXinlu FuShijie DengZiqi FengShijie XiongHui LiSaifei GaoZhenyu YangFei GaoLele DongJianding ChengWei-Bin Cai
Published in: Nature communications (2023)
Diabetic cardiomyopathy is a primary myocardial injury induced by diabetes with complex pathogenesis. In this study, we identify disordered cardiac retinol metabolism in type 2 diabetic male mice and patients characterized by retinol overload, all-trans retinoic acid deficiency. By supplementing type 2 diabetic male mice with retinol or all-trans retinoic acid, we demonstrate that both cardiac retinol overload and all-trans retinoic acid deficiency promote diabetic cardiomyopathy. Mechanistically, by constructing cardiomyocyte-specific conditional retinol dehydrogenase 10-knockout male mice and overexpressing retinol dehydrogenase 10 in male type 2 diabetic mice via adeno-associated virus, we verify that the reduction in cardiac retinol dehydrogenase 10 is the initiating factor for cardiac retinol metabolism disorder and results in diabetic cardiomyopathy through lipotoxicity and ferroptosis. Therefore, we suggest that the reduction of cardiac retinol dehydrogenase 10 and its mediated disorder of cardiac retinol metabolism is a new mechanism underlying diabetic cardiomyopathy.
Keyphrases
  • type diabetes
  • heart failure
  • left ventricular
  • cardiovascular disease
  • end stage renal disease
  • cell death
  • newly diagnosed
  • skeletal muscle
  • prognostic factors
  • endothelial cells
  • peritoneal dialysis
  • gene therapy