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  • 1
    ISSN: 1573-6881
    Keywords: Chemotherapy ; ATP ; drug transport ; colchicine ; actinomycin D ; doxorubicin ; vinblastine ; vincristine ; introns ; evolution ; P-glycoprotein ; transmembrane domains ; MDR1 gene
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Physics
    Notes: Abstract Multidrug resistance in animal cells is defined as the simultaneous resistance to a variety of compounds which appear to be structurally and mechanistically unrelated. One type of multidrug resistance is characterized by the decreased accumulation of hydrophobic natural product drugs, a phenotype which is mediated by an ATP-dependent integral membrane multidrug transporter termed P-glycoprotein or P170. The gene coding for P170 is calledMDR. The nucleotide-binding domain of P-glycoprotein shares sequence homology with a family of bacterial permease ATP-binding components. In addition, P170 as a whole is structurally very similar to a number of prokaryotic and eukaryotic proteins believed to be involved in transport activities. This review summarizes our current knowledge of the molecular biology and clinical significance ofMDR expression and P-glycoprotein transport activity, as well as some theories about the function of this protein in normal cells.
    Type of Medium: Electronic Resource
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