Fisetin ameliorates polycystic ovary syndrome in rats via a mechanistic modulation of AMP-activated protein kinase and SIRT1 molecular pathway
Abstract
Fisetin, a polyphenolic flavonoid, exhibits numerous pharmacological activities against metabolic syndromes. The present research aims to explore the therapeutic efficacy of fisetin in experimental polycystic ovary syndrome (PCOS). Female Sprague-Dawley rats were administered mifepristone (20 mg/kg/day) to induce PCOS. PCOS rats were treated with fisetin (20 mg/kg and 40 mg/kg) and further compared with metformin HCl, the conventional drug for PCOS. The mechanism of fisetin was explored using dorsomorphin (an AMPK inhibitor). Then, rats were sacrificed for further analysis of biochemical and histological parameters. PCOS rats exhibited irregular estrous cycles, increased serum testosterone (4.72 ± 0.139 ng/ml), estradiol (750.2 ± 16.56 pg/ml), LH (30.33 ± 1.563 mIU/ml), HOMA-IR (1.115 ± 0.049), TNF-α (86.59 ± 3.93 pg/ml), IL-6 (55.34 ± 4.432 pg/ml), and TBARS (3.867 ± 0.193 µmol/mg) along with declined progesterone (11.67 ± 1.54 ng/ml), FSH (13.33 ± 1.256 mIU/ml), GSH (33.47 ± 1.348 µmol/mg) levels, and SOD (2.163 ± 0.298 U/mg) activity as compared to normal control group. Fisetin high dose significantly lowers testosterone (3.014 ± 0.234 ng/ml), estradiol (533.7 ± 15.39 pg/ml), LH (16.67 ± 1.62 mIU/ml), HOMA-IR (0.339 ± 0.20), TNF-α (46.02 ± 2.66 pg/ml), IL-6 (31.77 ± 3.47 pg/ml), and TBARS (1.747 ± 0.185 µmol/mg) and enhances progesterone (33.17 ± 1.447 ng/ml), FSH (27.17 ± 1.42 mIU/ml), GSH (60.35 ± 1.1.102 µmol/mg) levels, and SOD (4.513 ± 0.607 U/mg) activity. The…
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