Abstract
Chromatin immunoprecipitation (ChIP) is a powerful method to determine whether a protein of interest binds to specific regulatory elements of the genome. Herein, we outline protocols optimized to detect binding of Hypoxia-Inducible Factor (HIF)-1α or HIF-2α to putative hypoxia response elements (HREs) within HIF target genes expressed in breast tumor epithelial cells.
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Acknowledgments
This work was supported by NIH grant CA138488 and the Department of Defense Breast Cancer Research Program award BC083846 (to TNS). The HIF-1 WT and KO PyMT cells were originally created by Dr. Luciana P. Schwab, and the HIF shRNA knockdown MDA-MB-231 cell line models were provided by Dr. Roland Wenger of the University of Zurich. We also thank Dr. Meiyun Fan at the University of Tennessee Health Science Center for providing us with technical advice and for assisting us with troubleshooting these protocols during their optimization.
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Brooks, D.L., Seagroves, T.N. (2018). Chromatin Immunoprecipitation of HIF-α in Breast Tumor Cells Using Wild Type and Loss of Function Models. In: Huang, L. (eds) Hypoxia. Methods in Molecular Biology, vol 1742. Humana Press, New York, NY. https://doi.org/10.1007/978-1-4939-7665-2_7
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DOI: https://doi.org/10.1007/978-1-4939-7665-2_7
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