Transforming growth factor-beta: possible roles in Dupuytren's contracture

¹Department of Orthopaedic Surgery, Massachusetts General Hospital, Boston, USA.

|January 1, 1995

Abstract:

Transforming growth factor-beta (TGF-beta) is a multifunctional polypeptide that stimulates extracellular matrix deposition and fibroblast proliferation. Because both these features characterize Dupuytren's contracture, we investigated a possible role for TGF-beta in the etiology of this disorder. We studied receptor expression for TGF-beta, effects of TGF-beta 1 on DNA-synthesis, and in vitro production of TGF-beta 1 and TGF-beta 2 in both normal and Dupuytren-derived fibroblasts. We also studied the effects of epidermal growth factor (EGF) on growth of the different cell types. TGF-beta receptor profiles were different between the two cell types, as were TGF-beta 1 and EGF-induced stimulation of cell growth. Both cell types secreted both active and latent TGF-beta. Our results suggest that growth factors such as TGF-beta and EGF may play a role in Dupuytren's contracture.

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Abstract:

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