[Autophagy promoted by Pakinson's disease related protein Pink1].
[Autophagy promoted by Pakinson's disease related protein Pink1].
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Original abstract
OBJECTIVE: To investigate the function of Parkinson's disease (PD)-related protein Pink1 in autophagy. METHODS: Pink1, autophagy inhibitor Bcl-XL and autophagy induced-factor Beclin1 were amplified with RT-PCR and contructed into pcDNA3. 1 (+) vector. The stable HEK293 cell line of Pink1 expression was established through the lentivirus system. Pink1, Bcl-XL and Beclin1 were tansfected into the HEK293 Cell Line. Co-Immunoprecipitation and Western blot were performed to determine the interaction between Pink1 and Bcl-XL, the effect of Pink1 on the interaction between Bcl-XL and Beclin1, and the function of Pink1 in autophagy. RESULTS: There was a new interaction between Pink1 and antophagy inhibitor Bcl-XL. Overexpressed Pink1 promoted the dissociation of autophagy induced-factor Beclin1 from Bcl-XL. Overexpressed Pink1 increased the autophagic protein LC3 II/LC3 I. CONCLUSION: Pakinson's disease related protein Pink1 promotes the dissociation of autophagy induced-factor Beclin1 from antophagy inhibitor Bcl-XL and promotes autophagy.