氧化还原
甘油-3-磷酸脱氢酶
氧化磷酸化
烟酰胺腺嘌呤二核苷酸
呼吸链
生物化学
氧化应激
生物能学
化学
烟酰胺
辅因子
医学
作者
Jessica M. Berthiaume,Jacob G. Kurdys,Danina Muntean,Mariana G. Rosca
标识
DOI:10.1089/ars.2017.7415
摘要
Abstract Significance: Diabetic cardiomyopathy (DCM) is a frequent complication occurring even in well-controlled asymptomatic diabetic patients, and it may advance to heart failure (HF). Recent Advances: The diabetic heart is characterized by a state of “metabolic rigidity” involving enhanced rates of fatty acid uptake and mitochondrial oxidation as the predominant energy source, and it exhibits mitochondrial electron transport chain defects. These alterations promote redox state changes evidenced by a decreased NAD+/NADH ratio associated with an increase in acetyl-CoA/CoA ratio. NAD+ is a co-substrate for deacetylases, sirtuins, and a critical molecule in metabolism and redox signaling; whereas acetyl-CoA promotes protein lysine acetylation, affecting mitochondrial integrity and causing epigenetic changes. Critical Issues: DCM lacks specific therapies with treatment only in later disease stages using standard, palliative HF interventions. Traditional therapy targeting neurohormonal signaling and hemodyn...
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