Abstract:Our previous GWAS using the MA.27 aromatase inhibitors (AIs) adjuvant trial identified SNPs in the lncRNA MIR2052HG associated with breast cancer free interval. Here we report that MIR2052HG depletion in breast cancer cells results in a decrease in LMTK3 expression and cell growth. Mechanistically, MIR2052HG interacts with EGR1 and facilitates its recruitment to the LMTK3 promoter. LMTK3 sustains ERα levels by reducing PKC activity, resulting in increased ESR1 transcription mediated through AKT/FOXO3 and reduc… Show more
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