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Overcoming Cancer Multidrug Resistance Through Inhibition Of Microparticles, Sora Vysotski, Rivka Winzelberg, Mariana Babayeva
Overcoming Cancer Multidrug Resistance Through Inhibition Of Microparticles, Sora Vysotski, Rivka Winzelberg, Mariana Babayeva
Touro College of Pharmacy (New York) Publications and Research
One of the main obstacles to success of chemotherapy agents is the development of cancer resistance. Cancer multidrug resistance (MDR) is thought to arise from over-expression of efflux transporters on cancer cells’ plasma membranes. Recently, microparticles (MP) were found to play a major role in mediating the resistance to antineoplastic agents. Microparticles can confer MDR phenotype to cancer cells though 3 complimentary pathways: 1) Intercellular transfer of P-gp and MRP1; 2) Intercellular transfer of regulatory nucleic acids that ensure acquisition of MDR phenotype; and 3) Internal sequestration of anticancer drugs to reduce the amount of free active drug. Compounds that …