Abstract
Mechanical transduction contributes to appropriate cell functions. Clinically, keloid, an uncontrolled fibrous overgrowth and scarring, preferentially affects skin areas subject to higher mechanical tension than others. Keloid-derived fibroblasts have exaggerated TGF-beta1-mediated responses, including smooth muscle actin (SMA) expression, cellular contraction, and tissue remodeling, to mechanical strain compared to normal fibroblasts. This study asked if SMA contributes to cellular intrinsic rigidity using keloid -derived fibroblasts as a model.
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