Cellular senescence: A pathogenic mechanism of pelvic organ prolapse (Review).

Liwei Huang, Zhiwei Zhao, Jirui Wen, Wang Ling, Yali Miao, Jiang Wu

Molecular medicine reports 2020 Sep

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Pelvic organ prolapse (POP) is a common symptom of pelvic floor disorders which is characterized by the descent of the uterus, bladder or bowel from their normal anatomical position towards or through the vagina. Among the older population, the incidence of POP increases with age. It is becoming necessary to recognize that POP is a degenerative disease that is correlated with age. In recent years, studies have been performed to improve understanding of the cellular and molecular mechanisms concerning senescent fibroblasts in pelvic tissues, which contribute to the loss of structure supporting the pelvic organs. These mechanisms can be classified into gene and mitochondrial dysfunctions, intrinsic senescence processes, protein imbalance and alterations in stem cells. The present review provides an integrated overview of the current research and concepts regarding POP, in addition to discussing how fibroblasts can be targeted to evade the negative impact of senescence on POP. However, it is probable that other mechanisms that can also cause POP exist during cell senescence, which necessitates further research and provides new directions in the development of novel medical treatment, stem cell therapy and non‑surgical interventions for POP.

Citation

Liwei Huang, Zhiwei Zhao, Jirui Wen, Wang Ling, Yali Miao, Jiang Wu. Cellular senescence: A pathogenic mechanism of pelvic organ prolapse (Review). Molecular medicine reports. 2020 Sep;22(3):2155-2162