期刊
JOURNAL OF NEUROCHEMISTRY
卷 139, 期 -, 页码 232-239出版社
WILEY-BLACKWELL
DOI: 10.1111/jnc.13655
关键词
mitochondria; mitophagy; Parkin; Parkinson's disease; PINK1
Mutations in the genes encoding the mitochondrial kinase PINK1 and the E3 ubiquitin ligase Parkin cause autosomal recessive Parkinson's disease (PD). Pioneering work in Drosophila melanogaster revealed that the loss of PINK1 or Parkin function causes similar phenotypes including dysfunctional mitochondria. Further research showed that PINK1 can act upstream of Parkin in a mitochondrial quality control pathway to induce removal of damaged mitochondria in a process called mitophagy. Albeit the PINK1/Parkin-induced mitophagy pathway is well established and has recently been elucidated in great detail, its pathophysiological relevance is being debated. Mounting evidence indicates that PINK1 has additional functions, for example, in regulating complex I activity and maintaining neuronal viability in response to stress. Here, we discuss mitophagy-dependent and -independent functions of PINK1 and their possible role in PD pathogenesis.
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