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Chemoresistance prevents the curative cancer therapy, our understanding of which remains inadequate. Among the differentially expressed genes between the chemosensitive (5637) and chemoresistant (H-bc) bladder cancer cell lines, the expression level of the PSEN1 gene (presenilin 1), a key component of the γ-secretase, is negatively correlated with chemoresistance. A small interfering RNA mediated...
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