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A myofibroblast is a cell that is in between a fibroblast and a smooth muscle cell in phenotype. ==Developmental origin== There are many possible ways of myofibroblast development: #Partial smooth muscle differentiation of a fibroblastic cell #Activation of a stellate cell (e.g. hepatic Ito cells or pancreatic stellate cells). #Loss of contractile phenotype (or acquisition of "synthetic phenotype") of a smooth muscle cell. #Direct myofibroblastic differentiation of a progenitor cell resident in a stromal tissue. #Homing and recruitment of a circulating mesenchymal precursor which can directly differentiate as above or indirectly differentiate through the other cell types as intermediates. #Epithelial to mesenchymal transdifferentiation (EMT) of an epithelial cell. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Myofibroblast」の詳細全文を読む スポンサード リンク
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