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  • Title: Effect of oxidized regenerated cellulose (Interceed) on the expression of tissue plasminogen activator and plasminogen activator inhibitor-1 in human peritoneal fibroblasts and mesothelial cells.
    Author: Gago LA, Saed G, Elhammady E, Diamond MP.
    Journal: Fertil Steril; 2006 Oct; 86(4 Suppl):1223-7. PubMed ID: 17008148.
    Abstract:
    OBJECTIVE: To characterize the molecular changes that occur in normal fibroblasts, adhesion fibroblasts, and mesothelial cells as a result of exposure to oxidized regenerated cellulose (Interceed; Johnson & Johnson Medical, Inc., New Brunswick, NJ). DESIGN: Control and Interceed-treated normal peritoneal fibroblasts, adhesion fibroblasts, and mesothelial cells in culture were assessed for messenger RNA levels of molecules known to be associated with adhesion development, using multiplex reverse transcriptase polymerase chain reaction (n = 4). SETTING: University research laboratory. PATIENT(S): Normal and adhesion fibroblasts and mesothelial cells. INTERVENTION(S): Exposure of cells, normal fibroblasts, adhesion fibroblasts, and mesothelial cells to oxidized regenerated cellulose. MAIN OUTCOME MEASURE(S): Real-time reverse transcriptase polymerase chain reaction expression of messenger RNA tissue plasminogen activator (tPA), plasminogen activator inhibitor-1 (PAI-1), and tPA-PAI-1 ratio, an indicator of overall fibrinolytic activity. RESULT(S): Interceed treatment of normal peritoneal fibroblasts, adhesion fibroblasts, and mesothelial cells results in an increased expression of tPA in mesothelial cells and an increase in the tPA-PAI-1 ratio, signifying an overall increase in fibrinolytic activity. CONCLUSION(S): Interceed, which has been shown in multiple human in vivo studies to decrease postoperative adhesion development, increases the expression of tPA and the tPA-PAI-1 ratio (an indicator of overall fibrinolytic activity), thereby promoting dissolution of fibrin and healing without adhesion development. Thus, the ability of Interceed to reduce postoperative adhesion development may be derived from both a barrier and biologic effect.
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