The influence of epigenetics in breast cancer therapeutics

Author: Jessica McAnulty
Editors: Tricia Garay, Stephanie Hamilton, and Whit Froehlich

Most likely, you know of someone diagnosed with breast cancer, which affects 1 in 8 women in the United States. Some of the reasons this disease is so difficult to treat are the lack of targeted therapies (as there are different subtypes of breast cancer) and tumor resistance to treatment. Therefore, scientists are investigating novel therapies that act on a specific component of the cancer and/or prevent this resistance. One exciting therapy alters the expression of certain genes; a gene needs to be expressed, or “turned on”, in order for the cell to obtain information from the gene and produce a product. This therapy is a promising approach since cancers, such as hormone-sensitive breast cancer, are often due to genetic mutations that result in an increase in gene expression. It is thought that using this therapy to alter gene expression will reverse the breast tumor’s resistance to treatment.

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