Poly(rC)-binding protein 1 alleviates neurotoxicity in 6-OHDA-induced SH-SY5Y cells and modulates glial cells in neuroinflammation

Background Parkinson's disease (PD) is a debilitating neurodegenerative condition characterized by the loss of dopaminergic neurons and neuroinflammation. Previous research has identified the involvement of Poly (rC)-binding protein 1 (PCBP1) in certain degenerative diseases; however, its specific mechanisms in PD remain incompletely understood. Methods In this study, 6-OHDA-induced neurotoxicity in the cell lines SH-SY5Y, BV-2 and HA, was used to evaluate the protective effects of PCBP1. We assessed alterations in BDNF levels in SY5Y cells, changes in GDNF expression in glial cells, as well as variations in HSP70 and NF-κB activation. Additionally, glial cells were used as the in vitro model for neuroinflammation mechanisms. Results The results indicate that the overexpression of PCBP1 significantly enhances cell growth compared to the control plasmid pEGFP/N1 group. Overexpression of PCBP1 leads to a substantial reduction in early apoptosis rates in SH-SY5Y, HA, and BV-2 cells, with statistically significant differences ( p ?

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