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PINK1/Parkin 介导的线粒体自噬、钙信号和帕金森病中的内质网-线粒体接触。

PINK1/Parkin Mediated Mitophagy, Ca Signalling, and ER-Mitochondria Contacts in Parkinson's Disease.

机构信息

Department of Biomedical Sciences, University of Padua, 35131 Padua, Italy.

Department of Biology, University of Padua, 35131 Padua, Italy.

出版信息

Int J Mol Sci. 2020 Mar 5;21(5):1772. doi: 10.3390/ijms21051772.

Abstract

Endoplasmic reticulum (ER)-mitochondria contact sites are critical structures for cellular function. They are implicated in a plethora of cellular processes, including Ca signalling and mitophagy, the selective degradation of damaged mitochondria. Phosphatase and tensin homolog (PTEN)-induced kinase (PINK) and Parkin proteins, whose mutations are associated with familial forms of Parkinson's disease, are two of the best characterized mitophagy players. They accumulate at ER-mitochondria contact sites and modulate organelles crosstalk. Alterations in ER-mitochondria tethering are a common hallmark of many neurodegenerative diseases including Parkinson's disease. Here, we summarize the current knowledge on the involvement of PINK1 and Parkin at the ER-mitochondria contact sites and their role in the modulation of Ca signalling and mitophagy.

摘要

内质网 (ER)-线粒体接触位点是细胞功能的关键结构。它们参与了许多细胞过程,包括 Ca 信号转导和线粒体自噬,即受损线粒体的选择性降解。磷酸酶和张力蛋白同源物 (PTEN)-诱导激酶 (PINK) 和 Parkin 蛋白是两种最具特征性的线粒体自噬因子,它们的突变与家族性帕金森病有关。它们在 ER-线粒体接触位点积累并调节细胞器串扰。ER-线粒体连接的改变是许多神经退行性疾病(包括帕金森病)的常见标志。在这里,我们总结了 PINK1 和 Parkin 在 ER-线粒体接触位点的作用及其在调节 Ca 信号转导和线粒体自噬中的作用的最新知识。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b28/7084677/83c2cba91a4f/ijms-21-01772-g001.jpg

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