Expression of ECM-remodeling proteins is altered in the vagina of premenopausal patients with severe POP. We speculate that dysregulation of MMP/TIMP complexes and ADAMTS-2 proteins may cause connective tissue defects, which result in weakened vaginal wall support and POP development.
Resting primary POP-HVCs in vitro show altered cellular characteristics as compared to control-HVCs, which may influence their dynamic responses to external mechanical or hormonal stimuli.
Primary human vaginal cells derived from women with severe pelvic organ prolapse and control-HVCs react differentially to in vitro mechanical stretch. Risk factors that induce stretch may alter ECM composition and cell-ECM interaction in pelvic floor tissue leading to the abatement of pelvic organ support and subsequent POP development.
In vitro, primary POP HVFs show better attachment to implant materials when treated with PRP, which may lead to reduced mesh-related complications in vivo, indicating its great potential for urogynecologic surgeries.
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