Redox-Regulated Mitophagy and Lysosomal Dysfunction as a Convergent Mechanism in Female Infertility: Molecular Insights and Therapeutic Perspectives.
Level 5 - mechanism / opinion, no new human data
Narrative review synthesizing mechanistic literature without systematic search or meta-analysis
PubMed 42042089 · doi:10.3390/cimb48040429
What was done
This narrative review synthesizes existing preclinical and molecular literature regarding organelle quality control in female reproductive pathology. It focuses on the interplay between oxidative stress, mitochondrial dysfunction, compromised mitophagy, and lysosomal clearance mechanisms in oocytes and granulosa cells across conditions including poor ovarian response, obesity-related infertility, polycystic ovary syndrome (PCOS), and ovarian aging. It also examines potential antioxidant compounds targeting these pathways.
What was found
The abstract provides no quantitative data or effect sizes. It qualitatively describes a conceptual model wherein chronic oxidative stress impairs the mitochondria-lysosome axis, leading to defective mitophagy and the accumulation of damaged mitochondria. This disruption is posited to impair oocyte integrity and granulosa cell function, while specific antioxidant agents are discussed for their potential capacity to modulate mitophagy and lysosomal activity.
Why it matters
It offers a unified, organelle-centric framework connecting metabolic, inflammatory, and aging-related ovarian dysfunction. Framing female infertility around redox-dependent organelle turnover highlights potential alternative biomarkers and mechanistic targets beyond traditional hormonal pathways.
Limits
The paper is a non-systematic narrative review providing theoretical and mechanistic synthesis rather than original clinical data or quantitative pooling. No human trial outcomes, sample sizes, or specific therapeutic effect sizes are reported in the abstract.
Cited by
- supports Mitochondrial dysfunction driven by oxidative stress is a major reason why egg quality declines with unhealthy habits, and infertility is often an early sign of mitochondrial performance issues.