The demonstration that fibroblastic cells acquire contractile features during the healing
of an open wound, thus modulating into myofibroblasts, has open a new perspective in
the understanding of mechanisms leading to wound closure and fibrocontractive diseases.
Myofibroblasts synthesize extracellular matrix components such as collagen types I and III
and during normal wound healing disappear by apoptosis when epithelialization occurs.
The transition from fibroblasts to myofibroblasts is influenced by mechanical stress, TGF-β
and cellular fibronectin (ED-A splice variant). These factors also play important roles in
the development of fibrocontractive changes, such as those observed in liver cirrhosis, renal
fibrosis, and stroma reaction to epithelial tumours. Copyright 2003 John Wiley & Sons,
Ltd.
The demonstration that fibroblastic cells acquire contractile features during the healingof an open wound, thus modulating into myofibroblasts, has open a new perspective inthe understanding of mechanisms leading to wound closure and fibrocontractive diseases.Myofibroblasts synthesize extracellular matrix components such as collagen types I and IIIand during normal wound healing disappear by apoptosis when epithelialization occurs.The transition from fibroblasts to myofibroblasts is influenced by mechanical stress, TGF-βand cellular fibronectin (ED-A splice variant). These factors also play important roles inthe development of fibrocontractive changes, such as those observed in liver cirrhosis, renalfibrosis, and stroma reaction to epithelial tumours. Copyright 2003 John Wiley & Sons,Ltd.
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