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再灌注损伤(RI)是影响急性心肌梗死(AMI)预后的重要因素,而糖尿病(DM)并发RI的比例进一步增高。DM时糖原合成酶激酶-3β(GSK-3β)的水平升高,可导致线粒体通透性转换孔(mPTP)过度开放而加重RI;同时,DM通过影响缺血后适应时救援激酶途径而使后适应的保护作用减弱。锌作为GSK-3β的抑制剂,有望成为保护并发AMI的DM患者避免RI的临床理想用药。
Reperfusion injury (RI) is an important factor affecting the prognosis of acute myocardial infarction (AMI), and the proportion of diabetic patients (DM) with RI is further increased. DM increased glycogen synthase kinase-3β (GSK-3β) levels, can lead to excessive opening of mitochondrial permeability transition pore (mPTP) and aggravate RI; the same time, DM through the impact of the rescue after the ischemic rescue kinase pathway So that after the protection of the role of adaptation weakened. Zinc, as an inhibitor of GSK-3β, is expected to be an ideal clinical candidate for preventing RI in DM patients with concurrent AMI.