2004•Zhongguo bingli shengli zazhiRequires access

Effect of endothelial Rho and Rho kinase in extravasation migration of sarcoma cell

Weizhong Wang

Abstract

AIM: To evaluate the effect of endothelial Rho and Rho kinase in extravasation migration of sarcoma cell. METHODS: We used an in vitro model of sarcoma cell transmigration across a monolayer of HUVEC cultured on collagen gel to observe extravasation migration of sarcoma cells and calculated the electrical resistance of HUVEC monolayer in extravasation migration of sarcoma cells. RESULTS: Sarcoma cells migrated through endothelial cells into collagen gel, the electrical resistance of a HUVEC monolayer reduced in extravasation migration of sarcoma cells.Endothelial Rho inhibitor(C3 transferase) and Rho kinase inhibitor(Y-27632) inhibited extravasation migration of sarcoma cells and inhibited reduction of electrical resistance of a HUVEC monolayer in extravasation migration of sarcoma cells. CONCLUSION: Endothelial Rho and Rho kinase regulates sarcoma cell transendothelial migration through modification of endothelial cytoskeleton.

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Key concepts: Extravasation, Sarcoma, Rho kinase inhibitor, Endothelial stem cell, Cell migration, Rho-associated protein kinase, Cancer research, In vitro