2型糖尿病患者血清羧化不全骨钙素与糖、脂代谢的相关性

Chinese Journal of Osteoporosis and Bone Mineral Research(2017)

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Abstract
目的 探讨2型糖尿病(type 2 diabetes mellitus,T2DM)患者血清羧化不全骨钙素(undercarboxylated osteocalcin,ucOC)水平与糖、脂代谢的关系.方法 123例T2DM患者根据病程分为D1组(<5年组,43例)、D2组(5~15年组,51例)、D3组(>15年组,29例),40名正常体检者作为对照组.比较各组间血清ucOC水平和糖脂代谢指标差异.另外将T2DM患者按ucOC高低分为两组,分析其与糖、脂代谢指标的相关性.结果 (1) T2DM组三酰甘油(triglyceride,TG)显著高于对照组[(2.24±1.64) mmol/L vs.(1.44±0.76) mmol/L],而血清ucOC浓度明显低于对照组[(0.43±0.35) mg/Lvs.(1.52±0.88) mg/L];(2) T2DM患者血清ucOC水平与糖化血红蛋白(glycosylated hemoglobin,HbA1c)、TG呈负相关(P=0.005,P=0.008);HbA1c水平与血清空腹C肽(fasting c-peptide,FCP)呈负相关(P=0.009),与I型胶原羧基端交联肽(β-C-terminal telopeptide of type 1 collagen,CTX)呈正相关(P=0.016).结论 ucOC可作为一种能量代谢调节激素对糖、脂代谢起正性调控作用,可能在T2DM发病过程中起一定作用.
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Key words
type 2 diabetes mellitus,osteocalcin,undercarboxylated osteocalcin,glucose and lipid metabolism
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