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Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie

Neuroprotective effects of total flavonoid fraction of the Epimedium koreanum Nakai extract on dopaminergic neurons: In vivo and in vitro.


PMID 28494419

Abstract

Flavonoids, the active components of Epimedii Genus, have been demonstrated to protect against osteoporosis, cardiovascular diseases and rheumatoid arthritis. The present study aimed to investigate the neuroprotective effects of total flavonoid (TF) fraction of Epimedium koreanum Nakai on dopaminergic neurons in the cellular and mice models of Parkinson's disease (PD). TF pretreatment could ameliorate the decrease of striatal dopamine (DA) content and the loss of tyrosine hydroxylase (TH)-immunoreactive neurons in the substantia nigra pars compacta (SNpc) induced by 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP). TF treatment could reverse the changes of Bcl-2 and Bax protein expressions in the striatum of PD mice. 1-Methyl-4-phenylpyridinium ion (MPP