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Abstract Title:

Chrysin alleviates alteration of bone-remodeling markers in ovariectomized rats and exhibits estrogen-like activity.

Abstract Source:

Hum Exp Toxicol. 2021 Jul 21:9603271211033777. Epub 2021 Jul 21. PMID: 34289748

Abstract Author(s):

Sadiyat O Ibrahim, Sanusi B Mada, Musa M Abarshi, Muhammad S Tanko, Sanusi Babangida

Article Affiliation:

Sadiyat O Ibrahim

Abstract:

BACKGROUND: Evidences are beginning to accrue that flavonoids, particularly phytoestrogens, could have beneficial effects against several age-related diseases linked to estrogen deficiency including postmenopausal osteoporosis.

METHODS: In this study, the effect of chrysin on selected bone-remodeling markers in ovariectomized rats and its estrogen-like activitywere investigated.

RESULTS: The data indicated that administration of chrysin at 50 mg/kg and 100 mg/kg for 6 weeks to OVX rats significantly (<0.05) prevented body weight gain and partially reverse uterine weight loss. In addition, treatment of OVX rats significantly (<0.01) increased femur dry weight, femur ash weight, bone ash calcium, and phosphorous levels in a dose-dependent manner. However, there was significant (<0.001) decline in serum estradiol level in all OVX rats compared to the sham-operated group. Interestingly, administration of chrysin significantly (<0.05) reversed the reduction of estradiol induced by ovariectomy compared to untreated OVX rats. Moreover, administration of chrysin to OVX rats significantly (<0.05) suppressed excessive elevation of bone-remodeling markers expression compared to untreated OVX rats. Similarly, molecular docking analysis revealed that chrysin interacts with bothα and β estrogen receptors with exothermic binding energies of -229.83 kcal/Mol and -252.72 kcal/Mol, respectively, and also fits perfectly into the active site of both α and β estrogen receptors.

CONCLUSION: This study demonstrated that chrysin exhibits potential antiosteoporotic effects against bone loss in OVX rats through enhanced bone mineral contents and preventing excessive elevation of bone-remodeling markers and bone-resorbing cytokine.

Study Type : Animal Study
Additional Links
Pharmacological Actions : Osteoprotective : CK(1840) : AC(616)

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