Journal
INTERNATIONAL JOURNAL OF CANCER
Volume 151, Issue 12, Pages 2068-2081Publisher
WILEY
DOI: 10.1002/ijc.34186
Keywords
biomarker; colorectal cancer; diagnosis; DNA methylation; epigenetics; precision medicine
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Funding
- Research Institute for Dental Sciences, Shahid Beheshti University of Medical Sciences
- Universitat des Saarlandes
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Colorectal cancer, the second leading cause of cancer death worldwide, is closely associated with epigenetic changes such as DNA methylation. Studies have shown that DNA methylation markers have high accuracy and reproducibility in noninvasive biosamples, making them promising for early diagnosis and personalized treatment of CRC. Further research and development of methylation biomarkers and detection methods are crucial for CRC diagnosis.
Colorectal cancer (CRC) is the second leading cause of cancer death worldwide that is attributed to gradual long-term accumulation of both genetic and epigenetic changes. To reduce the mortality rate of CRC and to improve treatment efficacy, it will be important to develop accurate noninvasive diagnostic tests for screening, acute and personalized diagnosis. Epigenetic changes such as DNA methylation play an important role in the development and progression of CRC. Over the last decade, a panel of DNA methylation markers has been reported showing a high accuracy and reproducibility in various semi-invasive or noninvasive biosamples. Research to obtain comprehensive panels of markers allowing a highly sensitive and differentiating diagnosis of CRC is ongoing. Moreover, the epigenetic alterations for cancer therapy, as a precision medicine strategy will increase their therapeutic potential over time. Here, we discuss the current state of DNA methylation-based biomarkers and their impact on CRC diagnosis. We emphasize the need to further identify and stratify methylation-biomarkers and to develop robust and effective detection methods that are applicable for a routine clinical setting of CRC diagnostics particularly at the early stage of the disease.
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