Article
Sumoylation of Prox1 controls its ability to induce VEGFR3 expression and lymphatic phenotypes in endothelial cells.
Journal of cell science - 15 Sept 2009
Pan Mei-Ren, Chang Tsung-Ming, Chang Hui-Chiu, Su Jen-Liang, Wang Hsei-Wei, Hung Wen-Chun
Abstract excerpt
Prox1 is a master regulator for the development of lymphatic vasculature and the induction of lymphangiogenesis. In this study, we identified Prox1 as a new target for small ubiquitin-like modifier 1 (SUMO-1). Lysine 556 (K556) was found to be the major sumoylation site for Prox1 in vitro and in vivo. Mutation of this site (from lysine to arginine K556R) reduced DNA binding and the transcriptional activity of...
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