Enriched and expanded human cord blood stem cells for treatment of hematological disorders
Abstract:
This invention relates to an enriched population of isolated and expanded human cord blood stem cells and a method of producing an enriched population of isolated and expanded human cord blood stem cells. The expanded human cord blood stem cells are CD34+, CD90+, CD1 84+, CD1 17+, CD49f+, ALDH+, CD45RA− and express pluripotency genes SOX2, OCT4, NANOG, and ZIC3. In one embodiment, the stem cells in the enriched population of the present invention are positive for aldehyde dehydrogenase activity (ALDH+). In addition, in one embodiment the expanded stem cells are nearly depleted of T cells and B cells and contain a limited number of monocytes (CD14). Also disclosed is a method of treating a subject for a hematological disorder using the stem cells of the present invention and a method of determining the effects of a compound on hematopoietic stem cells.
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