Multidrug resistance (MDR) is a significant obstacle to effective chemotherapy to many patients. Because of the overexpression of one membrane protein, P-glycoprotein (P-gp), there is an increased efflux of chemotherapeutic drug in the resistant cancer cells. The main research goal of MDR study is to get improved intracellular drug retention inside the cancer cells. So it is important to study the chemotherapeutic drug transport in the cancer cells. In this work, single leukemia CEM MDR cell has been isolated and captured by a microfluidic single-cell biochip for drug transport and retention study.

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