Role of the Nuclear Receptor Coactivator AIB1-Δ4 Splice Variant in the Control of Gene Transcription

Abstract excerpt

The oncogene amplified in breast cancer 1 (AIB1) is a nuclear receptor coactivator that plays a major role in the progression of various cancers. We previously identified a splice variant of AIB1 called AIB1-Δ4 that is overexpressed in breast cancer. Using mass spectrometry, we define the translation initiation of AIB1-Δ4 at Met(224) of the full-length AIB1 sequence and have raised an antibody to a peptide...

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