Genomics

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S100A8/S100A9 cytokine functions as transcriptional coactivator during breast cellular transformation


ABSTRACT: In an inducible model of human breast cellular transformation, we map genome-wide chromatin binding of S100A8, S100A9 and Pol II. We show that the calcium-dependent cytokines S100A8 and S100A9 are recruited to numerous promoters and enhancers. This recruitment is associated with multiple DNA sequence motifs recognized by DNA-binding transcription factors that are linked to transcriptional activation and are important for transformation. Nuclear-specific expression of S100A8/A9 promotes oncogenic transcription and leads to enhanced breast transformation phenotype. These results suggest that, in addition to its classical cytokine function, S100A8/A9 can act as a transcriptional co-activator.

ORGANISM(S): Homo sapiens

PROVIDER: GSE155421 | GEO | 2021/01/01

REPOSITORIES: GEO

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