Journal
ADVANCED DRUG DELIVERY REVIEWS
Volume 95, Issue -, Pages 56-64Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.addr.2015.10.006
Keywords
DNA methylation; Histone modification; Biomarker; Liquid biopsy; Epigenetic therapy
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Funding
- Grants-in-Aid for Scientific Research [26640088, 26430136] Funding Source: KAKEN
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Recent studies provide compelling evidence that epigenetic dysregulation is involved in almost every step of tumor development and progression. Differences in tumor behavior, which ultimately reflects clinical outcome, can be explained by variations in gene expression patterns generated by epigenetic mechanisms, such as DNA methylation. Therefore, epigenetic abnormalities are considered potential biomarkers and therapeutic targets. DNA methylation is stable at certain specific loci in cancer cells and predominantly reflects the characteristic clinicopathological features. Thus, it is an ideal biomarker for cancer screening, classification and prognostic purposes. Epigenetic treatment for cancers is based on the pharmacologic targeting of various core transcriptional programs that sustains cancer cell identity. Therefore, targeting aberrant epigenetic modifiers may be effective for multiple processes compared with using a selective inhibitor of aberrant single signaling pathway. This review provides an overview of the epigenetic alterations in human cancers and discusses about novel therapeutic strategies targeting epigenetic alterations. (C) 2015 Elsevier B.V. All rights reserved.
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