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Interplay Between Estrogen Receptor And Akt In Estradiol-Induced Alternative Splicing, Poornima Bhat-Nakshatri, Eun-Kyung Song, Nikail R. Collins, Vladimir N. Uversky, A. Keith Dunker, Bert W. O'Malley, Tim R. Geistlinger, Jason S. Carroll, Myles Brown, Harikrishna Nakshatri
Interplay Between Estrogen Receptor And Akt In Estradiol-Induced Alternative Splicing, Poornima Bhat-Nakshatri, Eun-Kyung Song, Nikail R. Collins, Vladimir N. Uversky, A. Keith Dunker, Bert W. O'Malley, Tim R. Geistlinger, Jason S. Carroll, Myles Brown, Harikrishna Nakshatri
Molecular Medicine Faculty Publications
Background: Alternative splicing is critical for generating complex proteomes in response to extracellular signals. Nuclear receptors including estrogen receptor alpha (ERα) and their ligands promote alternative splicing. The endogenous targets of ERα:estradiol (E2)-mediated alternative splicing and the influence of extracellular kinases that phosphorylate ERα on E2-induced splicing are unknown.
Methods: MCF-7 and its anti-estrogen derivatives were used for the majority of the assays. CD44 mini gene was used to measure the effect of E2 and AKT on alternative splicing. ExonHit array analysis was performed to identify E2 and AKT-regulated endogenous alternatively spliced apoptosis-related genes. Quantitative reverse transcription polymerase chain reaction …