Title : Anti-MDR1 siRNA restores chemosensitivity in chemoresistant breast carcinoma and osteosarcoma cell lines.

Pub. Date : 2011 Sep

PMID : 21868524






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1 RESULTS: siRNA down-regulated MDR1 mRNA expression by 50% in breast carcinoma and osteosarcoma cell lines, and significantly inhibited tumor cell proliferation up to 90% (p<0.01), when co-administered with doxorubicin or methotrexate, despite the known chemoresistance of the cell lines. Methotrexate ATP binding cassette subfamily B member 1 Homo sapiens