Research and Development Centre, Bharathiar University, Coimbatore, 641046, Tamil Nadu, India.
Department of Biotechnology, Karunya Institute of Technology and Sciences, Karunya Nagar, Coimbatore, 641114, Tamil Nadu, India.
Neurosci Lett. 2019 Sep 14;709:134382. doi: 10.1016/j.neulet.2019.134382. Epub 2019 Jul 17.
Parkinson disease occurs due to the depletion of dopaminergic neurons in brain resulting in decreased dopamine level and abnormal protein aggregation. Chrysin is a flavonoid which possesses pharmacological properties against various diseases like hypertension, diabetes, cancer, etc. According to the recent literatures, it is evidenced that chrysin protects mice against Focal Cerebral Ischemia/Reperfusion Injury. The present study aimed to elucidate the effect of chrysin on neuronal restoration in MPTP intoxicated acute mice model. From the results, it is revealed that the pre-treatment with chrysin protected MPTP induced degeneration of nigra-striatal neurons. It is observed that chrysin also ameliorates MPTP induced oxidative stress in mice by upregulating GSH, SOD and downregulating LPO levels. The motor dysfunction is also found to be enhanced which was evidenced through Beam walk, Horizontal grid and vertical grid tests. Pre-treatment with chrysin also averted MPTP induced alterations in neurotrophic factors, inflammatory markers and Dopamine contents. The findings of the present study clearly indicated that the chrysin reversed the neurochemical deficits, oxidative stress and behavioral abnormalities in PD mice and offers promising strategy for the treatment of neurodegenerative diseases.
帕金森病是由于大脑中多巴胺能神经元的耗竭导致多巴胺水平降低和异常蛋白聚集引起的。白杨素是一种具有多种药理作用的黄酮类化合物,可治疗高血压、糖尿病、癌症等疾病。根据最近的文献,白杨素可保护小鼠免受局灶性脑缺血/再灌注损伤。本研究旨在阐明白杨素对 MPTP 中毒急性小鼠模型中神经元恢复的影响。结果表明,白杨素预处理可保护 MPTP 诱导的黑质纹状体神经元变性。观察到白杨素还通过上调 GSH、SOD 和下调 LPO 水平来改善 MPTP 诱导的小鼠氧化应激。通过 Beam walk、Horizontal grid 和 Vertical grid 测试发现,运动功能也得到了增强。白杨素预处理还可防止 MPTP 诱导的神经营养因子、炎症标志物和多巴胺含量的改变。本研究的结果清楚地表明,白杨素逆转了 PD 小鼠的神经化学缺陷、氧化应激和行为异常,为治疗神经退行性疾病提供了有希望的策略。