• Am. J. Chin. Med. · Jan 2023

    Sophora alopecuroides Alleviates Neuroinflammation and Oxidative Damage of Parkinson's Disease In Vitro and In Vivo.

    • Ting Sun, Lei Chen, Rui Liu, Qing-Shan Liu, and Yong Cheng.
    • Key Laboratory for Ethnomedicine for Ministry of Education, Center on Translational Neuroscience, School of Pharmacy, Minzu University of China, Beijing 100081, P. R. China.
    • Am. J. Chin. Med. 2023 Jan 1; 51 (2): 309328309-328.

    AbstractFor centuries, Sophora alopecuroides L. has been used both as a food and an herbal medicine in northern China. A new cytisine-type alkaloid, N-methylene-(5,7,4[Formula: see text]-trihydroxy)-isoflavone (LY01), was found in the fruits of Sophora alopecuroides L. and shows neuroprotective effects against Parkinson's disease (PD). PD is a frequently occurring, irreversible neurodegenerative disease that seriously threatens the health of the elderly population. There is no cure for PD. The available treatments help manage the symptoms, but their use is limited by multiple side effects. Therefore, more pharmacological treatments addressing this pathology are urgently required. This study aimed to evaluate the neuroprotective effects of LY01 against PD, as well as their underlying mechanisms, using both in vitro and in vivo experimental models. A 1-methyl-4-phenyl-1, 2, 3, 6-tetrahydropyridine hydrochloride (MPTP)-induced mouse model of PD was used to assess the effects of LY01 on the motor coordination deficit, progression of the pathology, and molecular characteristics. 1-Methyl-4-phenylpyridinium (MPP[Formula: see text])-activated SH-SY5Y cells and lipopolysaccharide (LPS)-activated BV-2 cells were used to evaluate LY01 effects on oxidative damage and neuroinflammation. In the rotarod test, LY01 alleviated the impaired motor coordination in PD mice. Furthermore, LY01 treatment prevented the loss of dopaminergic neurons in the substantia nigra and striatum of the PD mice, reduced neuroinflammation in the mice with MPTP-induced PD and the LPS-activated BV-2 cells, and diminished oxidative stress in the PD mice and the MPP[Formula: see text]-induced SH-SY5Y cells. In conclusion, these results suggest the potential of LY01 as a therapeutic agent for treating PD.

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