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The mouse pubic symphysis: a narrative review
Ning Wang1, Xue Tong2, Yi-Kai Li1,3
1School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China.
Frontiers in Physiology
|April 10, 2025
Summary
The mouse pubic symphysis (PS) relaxes during pregnancy for childbirth and rapidly recovers postpartum. This review explores the biological mechanisms behind PS remodeling and recovery.
Area of Science:
- Reproductive Biology
- Developmental Biology
- Tissue Engineering
Background:
- The pubic symphysis (PS) in mice undergoes significant remodeling during pregnancy to facilitate fetal passage.
- Postpartum, the PS rapidly returns to its pre-pregnancy state, restoring mechanical stability to the pelvic region.
Purpose of the Study:
- To review the changes in the mouse pubic symphysis during pregnancy and postpartum recovery.
- To discuss the potential biological mechanisms underlying PS remodeling and healing.
Main Methods:
- Literature review of studies on mouse pubic symphysis changes during pregnancy and postpartum.
- Analysis of factors influencing PS remodeling, including extracellular matrix (ECM), matrix metalloproteinases (MMPs), hormones, and immune cells.
Main Results:
- Pregnancy induces PS relaxation and separation, crucial for parturition.
- Postpartum recovery involves rapid PS restoration, involving complex molecular and cellular processes.
- Key factors include ECM remodeling, MMP activity, hormonal shifts, and immune cell involvement.
Conclusions:
- Understanding PS remodeling and recovery mechanisms is vital for reproductive health research.
- Further investigation into the biological pathways governing PS changes can offer insights into tissue repair and regeneration.
