Cell characteristics commonly associated with the CSC phenotype in vitro ( cell migration , invasion , anoikis resistance , mammosphere formation , ALDH activity , and expression of the CD44 and CD24 cell surface markers ) and in vivo ( tumor formation in mice using limiting dilution transplantation assays ) were evaluated .
O O O O O O O O O O O O O O O O O O O O O O B-GeneOrGeneProduct O O O O O O B-GeneOrGeneProduct O B-GeneOrGeneProduct O O O O O O O O B-DiseaseOrPhenotypicFeature O O B-OrganismTaxon O O O O O O O O O