Furthermore , incubation of cells with exogenously added EGF prevented the downregulation of CD44 ( hi ) /CD24 ( -/lo ) cell population by ADAM12 knockdown .
O O O O O O O O B-GeneOrGeneProduct O O O O B-GeneOrGeneProduct O O O I-GeneOrGeneProduct O O O O O O B-GeneOrGeneProduct O O