The side population (SP) phenotype is associated with the Hoechst dye efflux activity of the Abcg2 transporter and identifies hematopoietic stem cells (HSCs) in the bone marrow. their progeny were identified following treatment with tamoxifen (Tam). In the liver and kidney in which mature cells express Abcg2 reporter gene expression verified the expected physiologic expression… Continue reading The side population (SP) phenotype is associated with the Hoechst dye