ArticleScientific reports2026
LIMK2 inactivation suppresses mechanical stimulation-induced dermal fibroblast differentiation and resistance to apoptosis.
Article in Scientific reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Abnormal scar formation is a clinical challenge with limited therapeutic options. Mechanical stimulation is implicated in abnormal scarring. Accordingly, the present study investigated the role of LIMK2, a component of the Rho/ROCK/LIMK/cofilin pathway, in cell differentiation and apoptosis in response to mechanical stimulation and proliferation in human dermal fibroblasts (HDFs). In normal HDFs, expression of α-smooth muscle actin (α-SMA), a marker of differentiation into myofibroblasts, significantly increased with mechanical stimulation; however, this change was not observed when LIMK2 was inactivated. Mechanical stimulation increased expression of the anti-apoptotic protein Bcl-2 and decreased that of the pro-apoptotic protein BAX in controls, but these effects were not observed with LIMK2 inactivation. Moreover, fibroblast proliferation was inhibited with LIMK2 inactivation. These findings suggest that LIMK2 inactivation suppresses mechanical stimulation-induced myofibroblast differentiation and resistance to apoptosis, and also inhibits HDF proliferation, highlighting LIMK2 as a potential therapeutic target for the prevention and treatment of abnormal scars.
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