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Increased cellular senescence in doxorubicin-induced murine ovarian injury: effect of senolytics

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单位: [1]Department of Obstetrics and Gynecology,Tongji Hospital,Tongji Medical College,Huazhong University of Science and Technology,Wuhan 430030,Hubei,China [2]National Clinical Research Center for Obstetrical and Gynecological Diseases, Wuhan 430030, Hubei, China [3]Key Laboratory of Cancer Invasion and Metastasis, Ministry of Education, Wuhan 430030, Hubei, China
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关键词: Ovarian injury Doxorubicin Cellular senescence Senolytics Apoptosis FibrosisThis work was supported by grants from the

摘要:
Ovarian injury caused by chemotherapy can lead to early menopause, infertility, and even premature senility in female cancer patients, impairing the quality of life and overall health of the cancer survivors seriously. However, there is still a lack of effective protection strategies against such injury. Cellular senescence can be induced by chemotherapeutic agents in multiple organs and may corrode the structure and function of normal tissues. We hypothesized that the widely used first-line chemotherapy drug, doxorubicin, could increase senescent cell burden in normal ovarian tissue during the therapeutic process and that elimination of senescent cells with senolytics would ameliorate doxorubicin-induced ovarian injury. Here, we demonstrated an accumulation of cellular senescence in doxorubicin-treated ovaries through detecting p16 and p21 expression levels and senescence-associated β-galactosidase (SA-β-gal) activity as well as senescence-associated secretory phenotype (SASP) factors. Short-term intervention with the classic senolytic combination dasatinib and quercetin (DQ) or fisetin significantly reduced the load of senescent cells in ovaries after doxorubicin treatment. However, neither DQ nor fisetin alleviated doxorubicin-related ovarian dysfunction. Further experiments showed that ovarian apoptosis and fibrosis following doxorubicin exposure could not be improved by senolytics. Collectively, our study shows that senolytic treatment can eliminate accumulated senescent cells, but cannot reverse the massive follicle loss and ovarian stromal fibrosis caused by doxorubicin, suggesting that cellular senescence may not be one of the key mechanisms in doxorubicin-induced ovarian injury.© 2023. The Author(s).

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大类 | 1 区 医学
小类 | 2 区 老年医学
最新[2025]版:
大类 | 2 区 医学
小类 | 2 区 老年医学
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Q1 GERIATRICS & GERONTOLOGY
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Q1 GERIATRICS & GERONTOLOGY

影响因子: 最新[2023版] 最新五年平均 出版当年[2021版] 出版当年五年平均 出版前一年[2020版] 出版后一年[2022版]

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第一作者单位: [1]Department of Obstetrics and Gynecology,Tongji Hospital,Tongji Medical College,Huazhong University of Science and Technology,Wuhan 430030,Hubei,China [2]National Clinical Research Center for Obstetrical and Gynecological Diseases, Wuhan 430030, Hubei, China [3]Key Laboratory of Cancer Invasion and Metastasis, Ministry of Education, Wuhan 430030, Hubei, China
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通讯机构: [1]Department of Obstetrics and Gynecology,Tongji Hospital,Tongji Medical College,Huazhong University of Science and Technology,Wuhan 430030,Hubei,China [2]National Clinical Research Center for Obstetrical and Gynecological Diseases, Wuhan 430030, Hubei, China [3]Key Laboratory of Cancer Invasion and Metastasis, Ministry of Education, Wuhan 430030, Hubei, China
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