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    A transient assay for regulatory gene function in haemopoietic progenitor cells.

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    Authors
    McIvor, Zoe J
    Heyworth, Clare M
    Johnson, Barbra A
    Pearson, Stella
    Fiegler, Heike
    Hampson, Lynne
    Dexter, T Michael
    Cross, Michael A
    Affiliation
    Laboratory of Molecular Medicine, IZKF University of Leipzig, Leipzig, Germany. zoem@medizin.uni-leipzig.de
    Issue Date
    2000-09
    
    Metadata
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    Abstract
    This work aimed to provide a means of assaying directly the effects of transient expression of introduced genes on the survival, proliferation, lineage commitment and differentiation of haemopoietic progenitor cells. For this purpose, we have developed a system that allows isolation of productively transfected, mulitipotent haemopoietic cells within a few hours of the introduction of test genes. We have shown that FDCP-mix cells productively transfected with expression plasmids encoding green fluorescent protein (GFP) differentiate normally and retain colony-forming potential. We constructed an expression vector consisting of a bicistronic cassette in which a GFP marker gene and a test gene are driven from the same promoter. The vector design has been optimized for co-expression and the test gene was shown to be biologically active. The expression profile from a transiently transfected template under different growth conditions reveals that active expression continues for at least 2 d after transfection. The transient transfection of FDCP-mix cells with the vectors described provides a powerful tool for analysis of the immediate early effects of test gene overexpression during haemopoietic differentiation.
    Citation
    A transient assay for regulatory gene function in haemopoietic progenitor cells. 2000, 110 (3):674-81 Br. J. Haematol.
    Journal
    British Journal of Haematology
    URI
    http://hdl.handle.net/10541/90093
    DOI
    10.1046/j.1365-2141.2000.02214.x
    PubMed ID
    10997980
    Type
    Article
    Language
    en
    ISSN
    0007-1048
    ae974a485f413a2113503eed53cd6c53
    10.1046/j.1365-2141.2000.02214.x
    Scopus Count
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