Molecular mechanisms of ovarian fibrosis.
Level 5 - mechanism / opinion, no new human data
Narrative review of mechanistic and preclinical literature without systematic review methodology or new human empirical data.
PubMed 41296685 · doi:10.1093/molehr/gaaf058
What was done
This narrative review synthesized existing literature on the cellular and molecular pathways underlying ovarian fibrosis, its relationship with ovarian aging and reproductive disorders (including polycystic ovary syndrome, premature ovarian insufficiency, and endometriosis), and experimental therapeutic approaches aimed at preventing or reversing fibrotic remodeling.
What was found
The abstract reports no quantitative data or specific numerical metrics. Qualitatively, it notes that chronic injury, such as repetitive ovulation, promotes inflammation and excessive extracellular matrix accumulation by activated fibroblasts and myofibroblasts. Core driving pathways identified include TGF-β/Smad, Wnt/β-catenin, and PI3K/Akt, leading to elevated levels of collagen types I and III, fibronectin, and hyaluronan that impair folliculogenesis and steroidogenesis. Evaluated experimental strategies include pirfenidone, TGF-β inhibitors, oxidative stress modulators, and stem cell therapies.
Why it matters
It highlights stromal remodeling and fibrosis as shared mechanisms underlying ovarian aging and multiple reproductive pathologies, identifying potential targets for fertility preservation.
Limits
The paper is a non-systematic narrative review with no primary patient data or quantitative pooling. Causal links between ovarian fibrosis and outcomes like ovarian cancer remain unconfirmed, and discussed therapeutic interventions remain largely preclinical and experimental.
Cited by
- supports Ovaries of women with premature ovarian insufficiency show increased inflammatory markers, chronic inflammation, and fibrosis.