American Society of Hematology, Blood, 5(111), p. 2500-2501, 2008
DOI: 10.1182/blood-2007-12-126177
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In this issue of Blood, Chrzanowska-Wodnicka and colleagues identify a regulatory role for Rap1B in angiogenesis. Although not absolutely required for angiogenesis, loss of Rap1B affects both proliferation and migration of endothelial cells.