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  • Title: A B220+ CD117+ CD19- hematopoietic progenitor with potent lymphoid and myeloid developmental potential.
    Author: Balciunaite G, Ceredig R, Massa S, Rolink AG.
    Journal: Eur J Immunol; 2005 Jul; 35(7):2019-30. PubMed ID: 15971276.
    Abstract:
    In this report, we identify in the bone marrow (BM) of normal mice a subpopulation of B220+ CD117+ CD19- NK1.1- cells with potent lymphoid and myeloid developmental potential. These cells represent 0.1-0.2% of nucleated BM cells. By limiting dilution analysis in the presence of the appropriate combination of stromal cells and cytokines, 1 in 5-10 sorted cells formed B cells, 1 in 10-15 formed T cells and 1 in 5-10 generated macrophages. When cultured on a mixture of OP9 stroma and OP9 stromal cells expressing the Notch ligand Delta-like-1, single cells generated both T and B cells. Following intravenous infusion, freshly sorted cells transiently reconstituted both the T and B cell progenitor compartments, generating cohorts of mature T and B lymphocytes. The relationship between B220+ CD117+ CD19- NK1.1- cells of wild-type mice and other multi-lineage BM progenitors is discussed.
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