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Diabetes-induced effects on cardiomyocytes in chick embryonic heart micromass and mouse embryonic D3 differentiated stem cells

机译:糖尿病诱导的鸡胚胚胎细胞胚胎细胞中的作用,小鼠胚胎D3分化干细胞

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Diabetes mellitus during pregnancy is a considerable medical challenge, since it is related to augmented morbidity and mortality concerns for both the fetus and the pregnant woman. Records show that the etiology of diabetic embryopathy is complicated, as many teratological factors might be involved in the mechanisms of diabetes mellitus-induced congenital malformation. In this study, the potential cardiotoxic effect of hyperglycemia with hyperketonemia was investigated by using two in vitro models; primary chick embryonic cardiomyocytes and stem cell derived cardiomyocytes, where adverse effects were recorded in both systems. The cells were evaluated by changes in beating activity, cell activity, protein content, ROS production, DNA damage and differentiating stem cell migration. The diabetic formulae used produced an increase in DNA damage and a decline in cell migration in mouse embryonic stem cells. These results provide an additional insight into adverse effects during gestational diabetes mellitus and a recommendation for expectant mothers and maternity staff to monitor glycaemic levels months ahead of conception. This study also supports the recommendation of using antioxidants during pregnancy to prevent DNA damage by the production of ROS, which might result in heart defects as well as other developmental anomalies. (C) 2017 Published by Elsevier Inc.
机译:怀孕期间的糖尿病是一个相当大的医疗挑战,因为它与胎儿和孕妇的增强发病率和死亡率有关。记录表明,糖尿病胚胎病的病因复杂化,因为许多牵引因素可能涉及糖尿病诱导的先天性畸形的机制。在这项研究中,通过使用两个体外模型研究了高血糖血症与高血糖血症的潜在心脏毒性效应;初级小鸡胚胎心肌细胞和干细胞衍生的心肌细胞,两种系统中记录不良反应。通过跳动活性,细胞活性,蛋白质含量,ROS产生,DNA损伤和区分干细胞迁移来评估细胞。糖尿病甲型甲型配方用作小鼠胚胎干细胞中DNA损伤的增加和细胞迁移的下降。这些结果在妊娠期糖尿病在妊娠期糖尿病期间的不利影响以及预期母亲和产科工作人员的推荐提供了额外的洞察力,以监测血糖水平提前的概念。本研究还支持怀孕期间使用抗氧化剂的推荐,以防止ROS的DNA损伤,这可能导致心脏缺陷以及其他发育异常。 (c)2017年由elsevier公司发布

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