Genomics

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ChIP-seq of estrogen receptor α in wild type MCF7-V and in MCF7-V breast carcinoma cell line transduced with a doxycyline-inducible construct to express ZEB1.


ABSTRACT: The epithelial to mesenchymal transition (EMT) is implicated in the metastatic spread of breast cancer cells. EMT transcription factors (TF) regulate different stages of EMT states. In breast cancers, estrogen receptor α (ERα) maintains the epithelial characteristics of breast tumors and is indispensable for efficient endocrine therapy. In this study we investigate whether and how ZEB1, an EMT-TF affects ERα signaling at early stages of EMT and metastasis. We did ERα ChIP-seq in wild type MCF7-V cells for comparative studies. We also did ERα ChIP-seq in cells stably expressing a doxycycline-inducible construct to express ZEB1. This was to determine the impact of ZEB1 on the ERα cistrome in MCF7-V breast cancer cells induced with DMSO, 17-beta estradiol (E2), and forskolin + 3-isobutyl-1-methylxanthine (IBMX) (FI).

ORGANISM(S): Homo sapiens

PROVIDER: GSE173479 | GEO | 2022/03/14

REPOSITORIES: GEO

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