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    Retroviral transfer and expression of human MDR-1 in a murine haemopoietic stem cell line does not alter factor dependence, growth or differentiation characteristics.

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    Authors
    Heyworth, Clare M
    Gagen, D
    Edington, Kirsten G
    Fairbairn, Leslie J
    Affiliation
    CRC Experimental Haematology Group, Paterson Institute for Cancer Research, Christie Hospital NHS Trust, Manchester, UK.
    Issue Date
    2002-01
    
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    Abstract
    In view of the recent report of a myeloproliferative syndrome in mice that had received an MDR-1-transduced haemopoietic graft, we have investigated the potential effects of MDR-1 expression on primitive haemopoietic cell growth and differentiation. Retroviral gene transfer was used to achieve exogenous expression of either MDR-1 or truncated nerve growth factor receptor (tNGFR) in the multipotent murine haemopoietic progenitor cell line, FDCP-mix. Following gene transfer, clonal lines were derived and FACS analysis confirmed appropriate expression of each transgene. MDR-1 (but not tNGFR) expression was associated with verapamil-sensitive rhodamine efflux and resistance to killing by etoposide. When growth factor responsiveness, proliferative capacity and differentiation capacity were examined, MDR-1 expressing FDCP-mix cells exhibited a normal phenotype and mimicked the response of tNGFR-expressing or untransduced FDCP-mix cells. Thus, in the model system we have used, MDR-1 does not perturb haemopoietic cell growth and development and our data do not support a myeloproliferative role for MDR-1.
    Citation
    Retroviral transfer and expression of human MDR-1 in a murine haemopoietic stem cell line does not alter factor dependence, growth or differentiation characteristics. 2002, 16 (1):106-11 Leukemia
    Journal
    Leukemia
    URI
    http://hdl.handle.net/10541/82439
    DOI
    10.1038/sj.leu.2402333
    PubMed ID
    11840269
    Type
    Article
    Language
    en
    ISSN
    0887-6924
    ae974a485f413a2113503eed53cd6c53
    10.1038/sj.leu.2402333
    Scopus Count
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    All Paterson Institute for Cancer Research

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