Knockdown of NOX4 : 1 ) reduced VEGFR2 activation but did not abolish it and 2 ) abolished STAT3 activation in response to VEGF .
O O B-GeneOrGeneProduct O O O O B-GeneOrGeneProduct O O O O O O O O O O B-GeneOrGeneProduct O O O O B-GeneOrGeneProduct O