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Methotrexate resistance and gene amplification. Mechanisms and implications

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Inhibition of apoptosis by overexpressing Bcl-2 enhances gene amplification by a mechanism independent of aphidicolin pretreatment.

Tetracycline-controlled gene expression system achieves high-level and quantitative control of gene expression.

P-glycoprotein confers methotrexate resistance in 3T6 cells with deficient carrier-mediated methotrexate uptake.

BCL-2 expression delays drug-induced apoptosis but does not increase clonogenic survival after drug treatment in HeLa cells.

Dissociation of nuclear and cytoplasmic cell cycle progression by drugs employed in cell synchronization.

Human cDNA clones that modify radiomimetic sensitivity of ataxia-telangiectasia (group A) cells.

Relationship between bisphosphonate use and risks of recurrence and mortality among hormone receptor-positive and triple-negative breast cancer patients.

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