Mechanism Of Drug Resistance In Breast Cancer Treatment

Estrogen hormone drives almost three quarters of all breast cancer tumors. Drug resistance builds up in half of the cases when these tumors are treated with drugs to suppress estrogen receptor activity. Scientists from the Florida campus of The Scripps Research Institute (TSRI), the University of California (UC), San Diego and the University of Illinois have found that two immune system molecules may be key to the development of drug resistance in estrogen-driven breast cancers.

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