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Interactions of Prostate Cancer Cells to Human Microvascular Endothelial Cells Under Shear Stress Conditions

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5 Author(s)
Hao Xu ; Department of Bioengineering, University of Texas at Arlington (UTA), Joint Biomedical Engineering Program of UTA and University of Texas Southwestern Medical Center at Dallas ; Nene Kalu ; Pavithra Raghavan ; Myoung H. Kim
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The interactions between prostate cancer cells with endothelial cells in the microvessels play an important role in prostate tumor metastasis. However, not many studies have been conducted to investigate the adhesion of prostate cancer cells on vascular endothelium and related mechanisms and modulators. In this study, human microvascular endothelial cells (HMEC) grown on glass slides were exposed to two different circulating prostate cancer cells, PC-3 and PC-3ML (highly metastasis prostate cancer cells) using an in vitro parallel flow system. The gene profiles of HMEC, after exposure to prostate cancer cells, were also investigated using cDNA microarrays. It was found that PC-3ML cells had significantly higher adhesion than PC-3 cells on HMEC monolayer. In addition, PC-3ML cells triggered more gene changes of HMEC than PC-3 cells did. These results suggested that prostate cancer cells might increase their adhesion to vascular endothelial cells by affecting the endothelial cell on the gene expression level.

Published in:

Engineering in Medicine and Biology Workshop, 2007 IEEE Dallas

Date of Conference:

11-12 Nov. 2007