Genomics

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Genome wide analysis of PAX2 chromatin interaction in MCF-7 cell


ABSTRACT: The aim of the study is to understand the role of the transcription factor PAX2 in estrogen receptor positive breast cancer cell line by using ChIP-seq. MCF-7-PAX2 stable cells were cultured in full media and treated with doxycycline (50ng/ml) for 16 hours to induce overexpression of PAX2-HA protein. Then cells were treated with 4-OH-tamoxifen (1μM) for 6 hours. All 3 treatments (Veh, Dox, DoxTam) were performed in duplicates. After treatments, cells were collected for ChIP experiment with HA antibody. ChIP-seq libraries were sequenced and data analysis showed almost no binding in Veh treatment, indicating low backgroud and good quality of the data. PAX transcription factor motif were enriched in PAX2 peaks, indicating the reliability of the data. When crossing the ChIP-seq data with genes regulated by PAX2 in MCF-7, we could observe high level binding of PAX2 to prmoters of PAX2 up-regulated genes and the center of intergenic transcripts induced by PAX2, suggesting the role of PAX2 in regulating transcription activation.

ORGANISM(S): Homo sapiens

PROVIDER: GSE140060 | GEO | 2019/11/08

REPOSITORIES: GEO

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