Cellular senescence in the pathogenesis of ovarian dysfunction
1Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan.
The Journal of Obstetrics and Gynaecology Research
|February 27, 2024
Summary
Cellular senescence, a state of cell aging, negatively impacts ovarian function and oocyte health. Targeting senescent cells offers a promising new strategy for reproductive medicine and treating ovarian pathologies like PCOS.
Area of Science:
- Reproductive Biology
- Cellular Biology
- Gerontology
Background:
- The ovarian microenvironment is vital for reproductive health, regulated by intra-ovarian factors and gonadotropins.
- Cellular senescence, characterized by cell-cycle arrest and a senescence-associated secretory phenotype (SASP), contributes to aging and disease.
- Accumulated senescent cells create detrimental tissue environments, impacting various organs.
Purpose of the Study:
- To review the role of cellular senescence in ovarian pathologies and reproductive contexts.
- To explore cellular senescence as a potential therapeutic target in reproductive medicine.
Main Methods:
- Literature review summarizing current knowledge on cellular senescence in ovarian function.
- Analysis of cellular senescence's involvement in primary ovarian insufficiency, PCOS, aging, endometriosis, stress, and obesity.
- Discussion of senomorphic and senolytic strategies for targeting cellular senescence.
Main Results:
- Cellular senescence impairs follicular and oocyte health in conditions like primary ovarian insufficiency.
- Senescence contributes to the pathogenesis of polycystic ovary syndrome (PCOS).
- Senescence is observed during ovarian reserve decline linked to aging, endometriosis, stress, and obesity, though causality is under investigation.
Conclusions:
- Cellular senescence plays a significant role in ovarian pathologies and age-related decline.
- Targeting senescent cells via senomorphic or senolytic therapies presents a novel therapeutic avenue for reproductive disorders.
- Further research into senescence mechanisms in ovarian conditions could revolutionize reproductive medicine.
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