Enrichment of a population of mammary gland cells that form mammospheres and have in vivo repopulating activity.


The identification of mammary gland stem cells (MGSC) or progenitors is important for the study of normal breast development and tumorigenesis. Based on their immunophenotype, we have isolated a population of mouse mammary gland cells that are capable of forming "mammospheres" in vitro. Importantly, mammospheres are enriched for cells that regenerate an… (More)

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