Journal
CYTOKINE
Volume 61, Issue 1, Pages 38-40Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.cyto.2012.09.017
Keywords
Human umbilical vein endothelial cell; Tumor necrosis factor-alpha; Transforming growth factor-beta(1); Cell elongation
Funding
- Australian Dental Research Fund
- NSW Dental Board
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We earlier reported synergy between tumor necrosis factor-alpha (TNF-alpha) and transforming growth factor-beta(1) (TGF-beta(1)) for apoptosis in human umbilical vein endothelium (HUVEC). Here, we study morphological change by circularity measurement of HUVEC surviving this cytokine induced synergistic apoptosis. Contrasting with reports by others studying bovine endothelium, HUVEC did not change morphology in response to TGF-beta(1). TNF-alpha markedly elongated cells (p < 0.001) and this further increased with combination of the two cytokines (p < 0.001), while elongation was accompanied by increased actin stress fibres. Transdifferentiation of HUVEC to a smooth muscle cell phenotype as reported elsewhere was excluded in the current study. Crown Copyright (C) 2012 Published by Elsevier Ltd. All rights reserved.
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