摘要
阿尔茨海默病(AD)是痴呆中最常见的一种神经退行性疾病,越来越多的证据表明,AD是一种"蛋白质错误折叠障碍性疾病",具有蛋白质错误折叠、易聚集和成熟神经系统中选择性细胞丢失的共同特征。热休克蛋白(HSP)是细胞中一组重要的分子伴侣蛋白,它参与了辅助蛋白质合成、折叠、定位及转运等过程,并且在协助蛋白质水解、预防蛋白质错误折叠和聚集方面具有重要的作用,有研究证实HSP与AD存在密切的联系。HSP70是HSP中最保守、最丰富的一个伴侣蛋白。HSP70不但可抑制β-淀粉样肽(Aβ)相关的毒性作用,也在tau蛋白的聚积或降解中发挥重要作用。这些研究结果提示HSP70有可能成为AD治疗的新靶点,本文对HSP70及其上游调控因子HSF1与AD的关系作一综述。
引文
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