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脱发治疗新希望!陈婷团队Cell论文揭示成纤维细胞生物电信号驱动毛发生长
生物世界· 2025-08-16 04:03
Core Viewpoint - The research conducted by Chen Ting's team reveals that the bioelectric signaling of fibroblasts plays a crucial role in hair regeneration, with hyperpolarization promoting hair growth and depolarization inhibiting it [3][4][5][7]. Group 1: Research Findings - The study identifies that chromatin changes link the KCNJ2 gene in patients with congenital generalized hypertrichosis to distal enhancers [5]. - Upregulation of KCNJ2 in fibroblasts, rather than other cell types, drives sustained hair growth [5]. - Hyperpolarization of fibroblast membranes promotes hair growth, while depolarization halts it [5]. - KCNJ2-mediated hyperpolarization can reverse hair loss associated with aging and androgenetic alopecia [5]. Group 2: Mechanism Insights - The research indicates that the membrane potential oscillation of fibroblasts is particularly associated with the anagen phase of the hair cycle, where hyperpolarization is crucial [4]. - Inducing depolarization in fibroblasts can delay the anagen phase, while hyperpolarization can rescue hair loss in aging and androgenetic alopecia models [4][5]. Group 3: Clinical Implications - The findings suggest a novel therapeutic approach for hair loss treatment by targeting the bioelectric properties of fibroblasts [7].