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The role of the urokinase‐type plasminogen activator (uPA) and its receptor (CD87) in lipodermatosclerosis

Background: Lipodermatosclerosis refers to a sclerosing panniculitis and dermopathy of the lower extremities sometimes seen in association with venous ulceration. Matrix metalloproteinases are implicated in the pathogenesis of venous leg ulcers and the in vitro activation of recombinant MMP‐2 is controlled by the plasminogen activation system. To better understand the role of plasminogen activation in the pathogenesis of venous leg ulcers we investigated fibrinolytic factors and their inhibitors in tissue samples of lipodermatolsclerosis.