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Journal of Hand Surgery (British and European Volume)
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Articles

Fibrin/Fibrinogen and Fibrinolytic Activity of the Palmar Fascia in Dupuytren’s Contracture

G. MERLO
G. P. AMBROGGIO
B. CASTAGNA
A. MOSCA
E. OBERTO

From the University of Turin, Italy

Considering the proved interaction of fibrin with fibroblasts and the seemingly decisive role of structural and functional changes ("modulation") of these cells in the evolution of Dupuytren’s contracture, research has been carried out in order to investigate the fibrinolytic capacity and the possible presence of fibrin/fibrinogen in the palmar fascia of subjects operated upon for Dupuytren’s Disease.

Fibrin/fibrinogen were detected by a direct immunofluorescence technique and fibrinolytic activity was assessed by a fibrin plate method. A remarkable decrease of fibrinolytic activity and the presence of fibrin/fibrinogen were observed in small nodules in the early stage of disease, whereas large nodules showed a high amount of plasminogen activator enzymes.

Small nodules seem to form and increase by progressive adhesion of fibroblasts to the polymerizing fibrin, while high fibrinolytic activity of large nodules probably results from "modulation" of many fibroblasts into contractile myofibroblasts and could therefore be considered as a biochemical sign of the evolutionary phase of Dupuytren’s contracture.

Journal of Hand Surgery (British and European Volume), Vol. 11, No. 1, 55-57 (1986)
DOI: 10.1016/0266-7681(86)90013-6
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