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    Proc Natl Acad Sci U S A. 2004 Mar 9;101(10):3557-62. Epub 2004 Feb 27.

    Human CD34+ cells differentiate into microglia and express recombinant therapeutic protein.

    Asheuer M, Pflumio F, Benhamida S, Dubart-Kupperschmitt A, Fouquet F, Imai Y, Aubourg P, Cartier N.

    Source

    Institut National de la Santé et de la Recherche Médicale U561, Hôpital Saint-Vincent de Paul, 75014 Paris, France.

    Abstract

    In rodents, bone marrow-derived cells enter the brain during adult life. Allogeneic bone marrow transplantation is used to treat genetic CNS diseases, but the fate of human bone marrow and CD34(+) cells within the brain remains to be elucidated. The present study demonstrates that cells derived from human CD34(+) cells, isolated from either cord blood or peripheral blood, migrate into the brain after infusion into nonobese diabetic/severe combined immunodeficient mice. Both types of CD34(+)-derived cells differentiate into perivascular and ramified microglia. The lentiviral transfer of genes into CD34(+) cells before infusion does not modify the differentiation of human CD34(+) cells into microglia, allowing new transgenic proteins to be expressed in these cells. The transplantation of CD34(+) cells could thus be used for the treatment of CNS diseases.

    PMID:
    14990803
    [PubMed - indexed for MEDLINE]
    PMCID:
    PMC373501
    Free PMC Article

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