Fyn kinase regulates dopaminergic neuronal apoptosis in animal and cell models of high glucose (HG) treatment.
Fyn kinase regulates dopaminergic neuronal apoptosis in animal and cell models of high glucose (HG) treatment.
复制标题
Fyn 激酶调节高糖 (HG) 治疗的动物和细胞模型中的多巴胺能神经元凋亡
DOI:
10.1186/s12860-021-00398-y
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发表时间:
2021-12-04
影响因子:
2.8
通讯作者:
Chen L
中科院分区:
文献类型:
--
作者:
Tan C;Liu X;Zhang X;Peng W;Wang H;Zhou W;Jiang J;Mo L;Chen Y;Chen L
High glucose (HG) is linked to dopaminergic neuron loss and related Parkinson’s disease (PD), but the mechanism is unclear. Rats and differentiated SH-SY5Y cells were used to investigate the effect of HG on dopaminergic neuronal apoptotic death. We found that a 40-day HG diet elevated cleaved caspase 3 levels and activated Fyn and mTOR/S6K signaling in the substantia nigra of rats. In vitro, 6 days of HG treatment activated Fyn, enhanced binding between Fyn and mTOR, activated mTOR/S6K signaling, and induced neuronal apoptotic death. The proapoptotic effect of HG was rescued by either the Fyn inhibitor PP1 or the mTOR inhibitor rapamycin. PP1 inhibited mTOR/S6K signaling, but rapamycin was unable to modulate Fyn activation. HG induces dopaminergic neuronal apoptotic death via the Fyn/mTOR/S6K pathway.
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