Baicalin Enhances Proliferation and Reduces Inflammatory-oxidative Stress Effect in HO-induced Granulosa Cells Apoptosis Via USP48 Protein Regulation

Overview

Journal BMC Complement Med Ther

Publisher Biomed Central

Specialty Rehabilitation Medicine

Date 2024 Jan 20

PMID 38245760

Authors

Jun Chen

Chuhua Lin

XiuRong Huang

Wei Bian

Affiliations

Soon will be listed here.

Abstract

Background: Oxidative stress and inflammation can lead to apoptosis of ovarian granulosa cells (GCs), resulting in ovulation disorders and infertility. Baicalin (BAI) promotes cell proliferation and reduces inflammation and oxidative stress. However, the mechanisms by which BAI treatment affects oxidative stress and inflammation in GCs remain incompletely understood.

Methods: KGN cells were treated with hydrogen peroxide (HO) to analyze the effect of oxidative stress on GCs in vitro. Subsequently, HO-stimulated KGN cells were treated with BAI. The levels of GSH-Px, CAT, and SOD were measured using an activity assay kit. The levels of MDA, IL-1β, IL-6, IL-8, and TNF-α were measured by ELISA. Proliferation, apoptosis, and mRNA and protein levels were measured using the CCK8, flow cytometry, qRT-PCR, and western blotting.

Results: HO treatment inhibited KGN cell proliferation and promoted apoptosis, accompanied by increased oxidative stress and inflammation. BAI promoted proliferation, inhibited apoptosis, and reduced oxidative stress and inflammation in HO-stimulated KGN cells. BAI treatment promoted USP48 protein expression, and USP48 knockdown abrogated the protective effects of BAI, indicating that USP48 is a downstream mediator of BAI.

Conclusion: BAI treatment enhanced cell proliferation and ameliorated oxidative stress and inflammation by enhancing USP48 protein expression. BAI, which is used clinically and as a dietary supplement, may alleviate oxidative stress-induced GC injury and ovarian disorders.

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