Elevated SFRP2 protein in androgenetic alopecia stabilizes FSTL1, creating a molecular axis that amplifies DHT-driven mitochondrial dysfunction and cellular senescence in hair follicle cells. Blocking this SFRP2–FSTL1 pathway restored hair regeneration and follicle structure in preclinical models, suggesting a previously unknown therapeutic target for pattern hair loss.
Key Points
- SFRP2 overexpression in AGA patients binds and stabilizes FSTL1 protein
- SFRP2 knockdown restored cell proliferation and reduced oxidative stress in follicles
- Disrupting SFRP2–FSTL1 axis reversed DHT-induced mitochondrial dysfunction and senescence
Longevity Analysis
This work isolates a specific molecular mechanism underlying pattern hair loss—not merely a cosmetic issue, but an indicator of how androgens dysregulate cellular energy production and accelerate aging processes at the tissue level. The SFRP2–FSTL1 axis acts as a focal point where genetic susceptibility, hormonal signaling, and mitochondrial health converge. Therapeutically interrupting this pathway offers a model for how targeted protein-level intervention can restore regenerative capacity in tissues subject to age-related decline. The findings also demonstrate that apparent age-related cellular dysfunction can be reversible when the specific molecular driver is identified and blocked, with direct implications for understanding how to preserve regenerative function across multiple tissues as senescent processes accumulate.
Original published by Wiley Aging Cell, by Youming Huang, Qiong Bian, Yeyu Shen, Xiaoxia Ding, Yan Teng, Danfeng Xu, Xianhong Yang, Yibin Fan .