Rachel L Yamnik

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The 40 S ribosomal S6 kinase 1 (S6K1) acts downstream of mTOR (mammalian target of rapamycin) and is sensitive to inhibition by rapamycin. The chromosomal region 17q23 containing the RPS6KB1 gene is frequently amplified in breast cancer cells, leading to S6K1 overexpression. The role of S6K1 in disease development and progression is supported by the(More)
Resistance to anti-estrogen therapy is a major clinical concern in treatment of breast cancer. Estrogen-independent phosphorylation of estrogen receptor alpha, specifically on Ser167, is one of the contributing causes to development of resistance, and a prognostic marker for the disease. Here, we dissect the signaling pathways responsible for Ser167(More)
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