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Asiatic Acid Protects Dopaminergic Neurons From Neuroinflammation by Suppressing Mitochondrial Ros Production

Asiatic Acid Protects Dopaminergic Neurons From Neuroinflammation by Suppressing Mitochondrial Ros Production

Dong Chen, Xiao-Ya Zhang, Jing Sun, Qi-Jie Cong, Wei-Xiong Chen, Hafiz Muhammad Ahsan, Jing Gao, Jin-Jun Qian

Biomol Ther (Seoul). 2019 Apr 10;27(5):442-449.

PMID: 30971058

Abstract:

This study sought to evaluate the effects of Asiatic acid in LPS-induced BV2 microglia cells and 1-methyl-4-phenyl-pyridine (MPP+)-induced SH-SY5Y cells, to investigate the potential anti-inflammatory mechanisms of Asiatic acid in Parkinsons disease (PD). SH-SY5Y cells were induced using MPP+ to establish as an in vitro model of PD, so that the effects of Asiatic acid on dopaminergic neurons could be examined. The NLRP3 inflammasome was activated in BV2 microglia cells to explore potential mechanisms for the neuroprotective effects of Asiatic acid. We showed that Asiatic acid reduced intracellular production of mitochondrial reactive oxygen species and altered the mitochondrial membrane potential to regulate mitochondrial dysfunction, and suppressed the NLRP3 inflammasome in microglia cells. We additionally found that treatment with Asiatic acid directly improved SH-SY5Y cell viability and mitochondrial dysfunction induced by MPP+. These data demonstrate that Asiatic acid both inhibits the activation of the NLRP3 inflammasome by downregulating mitochondrial reactive oxygen species directly to protect dopaminergic neurons from, and improves mitochondrial dysfunction in SH-SY5Y cells, which were established as a model of Parkinsons disease. Our finding reveals that Asiatic acid protects dopaminergic neurons from neuroinflammation by suppressing NLRP3 inflammasome activation in microglia cells as well as protecting dopaminergic neurons directly. This suggests a promising clinical use of Asiatic acid for PD therapy.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP464926	Asiatic acid		464-92-6	Price

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