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George C Bobustuc, Joshua S Smith, Sreeram Maddipatla, Sheila Jeudy, Arati Limaye, Beth Isley, Maria-Lourdes M Caparas, Susan M Constantino, Nikita Shah, Cheryl H Baker, Kalkunte S Srivenugopal, Said Baidas, and Santhi D Konduri. (2012) MGMT Inhibition Restores ERκ Functional Sensitivity to Antiestrogen Therapy. Mol. Med. 18(6):913–929.
Antiestrogen therapy resistance remains a huge stumbling block in the treatment of breast cancer. We have found significant elevation of O6 methylguanine DNA methyl transferase (MGMT) expression in a small sample of consecutive patients who have failed tamoxifen treatment. Here, we show that tamoxifen resistance is accompanied by upregulation of MGMT. Further we show that administration of the MGMT...