Transcriptomics

Dataset Information

18

SRC1 gene regulation in endocrine resistant breast cancer cells


ABSTRACT: The development of breast cancer resistance to endocrine therapy results from an increase in cellular plasticity leading to the development of a steroid independent tumour. The p160 steroid coactivator protein SRC-1, through interactions with developmental proteins and other non-steroidal transcription factors drives this tumour adaptability. Here, using discovery studies we identify ADAM22, a non-protease member of the ADAMs family, as a direct target of SRC-1, independent of estrogen receptor(ER). Molecular, cellular, in vivo and clinical studies confirmed SRC-1 as a regulator of ADAM22 and established a role for ADAM22 in endocrine resistant tumour progression. ADAM22 has the potential to act as a therapeutic drug target and a companion predictive biomarker in the treatment of endocrine resistant breast cancer. Overall design: 14 samples representing 4 conditions were analysed. Samples were transfected with either a siRNA targetting SRC1 or a control scrambled siRNA. Samples were subject to tamoxifen treatment or untreated.

INSTRUMENT(S): [HG-U133_Plus_2] Affymetrix Human Genome U133 Plus 2.0 Array

ORGANISM(S): Homo sapiens  

SUBMITTER: Yuan Hao   

PROVIDER: GSE28645 | GEO | 2012-01-11

SECONDARY ACCESSION(S): PRJNA138957

REPOSITORIES: GEO

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