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Vascular Surgery

Vein graft treatment affects collagen and h-caldesmon levels

Published in Heart Disease Weekly, July 2nd, 2006

According to a study from the United States, transforming growth factor-beta 1 (TGF-beta 1) antisense treatment of rat vein grafts reduces the accumulation of collagen and increases the accumulation of h-caldesmon.

"The main cause of occlusion and vein graft failure after peripheral and coronary arterial reconstruction is intimal hyperplasia. TGF-beta 1 is a pleiotropic cytokine known to have powerful effects on cell growth, apoptosis, cell differentiation, and extracellular matrix synthesis," wrote R.A. Wolff and colleagues, William S. Middleton Memorial Veterans Administration Medical Center.

They continued, "To investigate the role of TGF-beta 1...

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