Analysis of Influence Factors on siRNA Efficacy Silencing mdr1 Gene in SGC7901/VCR Cells
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Abstract
Objective To analyze the influence factors on siRNA efficacy silencing mdr1 gene in human gastric cancer SGC7901/VCR cells. Methods Four siRNAs(mdr1si326,mdr1si1513,mdr1si2631 and mdr1si3071)specifically targeting mdr1 gene were designed and synthesized by in vitro transcription. The silencing efficacy of the four siRNAs was evaluated with RT-PCR for mdr1 mRNA expression, immunoblotting for P-glycoprotein (P-gp, MDR1) expression, flowcytometry for adriamycin (ADR) accumulation and MTT for sensitivity to ADR...
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