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Abstract Title:

Protective roles and mechanisms of rosmarinic acid in cyclophosphamide-induced premature ovarian failure.

Abstract Source:

J Biochem Mol Toxicol. 2020 Jul 25:e22591. Epub 2020 Jul 25. PMID: 32711407

Abstract Author(s):

Yang Yao, Yinglei Xu, Yong Wang

Article Affiliation:

Yang Yao

Abstract:

The aim of this study was to investigate the protective effect of rosmarinic acid (RA) in a premature ovarian failure (POF) mouse model and the potential mechanisms. The POF model was induced by a single intraperitoneal injection of 120 mg/kg cyclophosphamide (CP). Additionally, 40 mg/kg RA was administered for 7 days before CP injection. The concentration of sex hormones was determined by fluorescence immunohistochemistry. Histological analysis was performed after ovarian tissue sections were stained with hematoxylin and eosin. The expression of the NLRP3 inflammasome was examined by western blot analysis and polymerase chain reaction. The expression of apoptosis markers of cytochrome c and caspase-3 was also detected by western blot analysis and immunohistochemistry. The results showed that RA not only decreased the ovarian index in POF mice but also improved the abnormal secretion of reproductive hormones associated with POF. Treatment with RA suppressed the ovarian expression of the NLRP3 inflammasome and regulated the ovarian expression of apoptosis-related proteins. The results suggested that RA exhibited a protective effect against CP-induced POF potentially by suppressing apoptosis and the NLRP3 inflammasome.

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