Abstract:Triple negative breast cancers (TNBC) lack estrogen receptors, and progesterone receptors, and HER2/neu receptor amplifications, making targeted therapies unsuitable. The taxane based drug paclitaxel (PTX) is used as a first line chemotherapy. PTX is a microtubule stabilizer that induces G2/M arrest and mitotic catastrophe. Loss of BRCA1 often seen in TNBC patients is associated with PTX resistance. Rad6 is an E2 ubiquitin conjugating enzyme that has two human homologues, Rad6A (UBE2A) and Rad6B (UBE2B), and h… Show more
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