Wnt5a-mediated non-canonical Wnt signalling regulates human endothelial cell proliferation and migration
- PMID: 17986384
- DOI: 10.1016/j.bbrc.2007.10.166
Wnt5a-mediated non-canonical Wnt signalling regulates human endothelial cell proliferation and migration
Abstract
Cell to cell interaction is one of the key processes effecting angiogenesis and endothelial cell function. Wnt signalling is mediated through cell-cell interaction and is involved in many developmental processes and cellular functions. In this study, we investigated the possible function of Wnt5a and the non-canonical Wnt pathway in human endothelial cells. We found that Wnt5a-mediated non-canonical Wnt signalling regulated endothelial cell proliferation. Blocking this pathway using antibody, siRNA or a down-stream inhibitor led to suppression of endothelial cell proliferation, migration, and monolayer wound closure. We also found that the mRNA level of Wnt5a is up-regulated when endothelial cells are treated with a cocktail of inflammatory cytokines. Our findings suggest non-canonical Wnt signalling plays a role in regulating endothelial cell growth and possibly in angiogenesis.
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