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<p>Corydaline (Cory) is a naturally extracted acetylcholinesterase inhibitor. In this study, we aimed to explore the possible roles and functions in Parkinson’s disease (PD) using 1-methyl-4-phenylpyridium (MPP<sup>+</sup>)-induced human neuroblastoma SK-N-SH cells. SK-N-SH cells were treated with MPP<sup>+</sup> to mimic PD in vitro model. MTT assay and EdU assay were conducted to evaluate cell proliferation. Flow cytometry analysis was performed to analyze cell apoptosis. ELISA kits were adopted to examine the concentrations of inflammatory factors. Ferroptosis-related markers were determined by related commercial kits. qRT-PCR and western blot were utilized to measure the expression of BRCA1-associated protein 1 (BAP1). MPP<sup>+</sup> treatment repressed the proliferation and promoted the apoptosis, inflammation and ferroptosis in SK-N-SH cells. Cory alleviated MPP<sup>+</sup>-induced damage of SK-N-SH cells. BAP1 level was induced by MPP<sup>+</sup> in SK-N-SH cells, while Cory treatment relieved the effect. Moreover, Cory ameliorated MPP<sup>+</sup>-induced SK-N-SH cell injury by altering BAP1 expression. Additionally, we demonstrated that Cory regulated NRF2, HO-1 and GPX4 expression in MPP<sup>+</sup>-treated SK-N-SH cells through BAP1. Cory alleviated MPP<sup>+</sup>-induced human neuroblastoma cell injury by modulating BAP1-NRF2/HO-1/GPX4 pathway, which might provide a novel regulatory axis in PD development.</p>

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Corydaline Alleviates 1-Methyl-4-Phenylpyridium (MPP+)-Induced Human Neuroblastoma Cell Injury by BAP1-NRF2/HO-1/GPX4 Pathway

  • 期刊论文

  • 发表日期：

    2025年2月27日

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  • Yabin Song,
  • Chen Yu,
  • Yong Wang,
  • Xiumei Bai,
  • Diangui Zhou

摘要

Corydaline (Cory) is a naturally extracted acetylcholinesterase inhibitor. In this study, we aimed to explore the possible roles and functions in Parkinson’s disease (PD) using 1-methyl-4-phenylpyridium (MPP+)-induced human neuroblastoma SK-N-SH cells. SK-N-SH cells were treated with MPP+ to mimic PD in vitro model. MTT assay and EdU assay were conducted to evaluate cell proliferation. Flow cytometry analysis was performed to analyze cell apoptosis. ELISA kits were adopted to examine the concentrations of inflammatory factors. Ferroptosis-related markers were determined by related commercial kits. qRT-PCR and western blot were utilized to measure the expression of BRCA1-associated protein 1 (BAP1). MPP+ treatment repressed the proliferation and promoted the apoptosis, inflammation and ferroptosis in SK-N-SH cells. Cory alleviated MPP+-induced damage of SK-N-SH cells. BAP1 level was induced by MPP+ in SK-N-SH cells, while Cory treatment relieved the effect. Moreover, Cory ameliorated MPP+-induced SK-N-SH cell injury by altering BAP1 expression. Additionally, we demonstrated that Cory regulated NRF2, HO-1 and GPX4 expression in MPP+-treated SK-N-SH cells through BAP1. Cory alleviated MPP+-induced human neuroblastoma cell injury by modulating BAP1-NRF2/HO-1/GPX4 pathway, which might provide a novel regulatory axis in PD development.