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Epigenetic Alterations in Colorectal Cancer

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Cancer Epigenetics

Part of the book series: Epigenetics and Human Health ((EHH,volume 11))

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Abstract

Colorectal cancer is a leading cause of cancer related deaths worldwide. One of the hallmarks of cancer and a fundamental trait of virtually all gastrointestinal cancers is altered genomic and epigenomic DNA. The genetic and epigenetic alterations drive the initiation and progression of the cancers by altering the molecular and cell biological process of the colon epithelial cells. These alterations, as well as other host and microenvironment factors, ultimately mediate the initiation and progression of cancers, including colorectal cancer. Epigenetic alterations, which include changes affecting DNA methylation, histone modifications, chromatin structure, and noncoding RNA expression, have been revealed to be a major class of molecular alteration in colon polyps and colorectal cancer over last 30 year. The classes of epigenetic alterations, their status in colorectal polyps and cancer, their effects on neoplasm biology, and their application to clinical care will be discussed.

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Abbreviations

CRC :

Colorectal cancer

SSL :

Serrated sessile lesions

miRNAs :

microRNA

MSI :

Microsatellite instability

DNMTs :

DNA methyltransferases

MBD :

Methyl-CpG-binding domain

CIMP :

CpG island methylator phenotype

TET :

Ten-eleven translocation

IDH1:

Isocitrate dehydrogenase

SSP :

Sessile serrated polyps

FIT :

Fecal immunochemical test

SWI/SNF :

Switching defective/sucrosenon-fermenting complex

PR C2:

Polycomb repressive complex 2

Ago-2:

Argonaute-2

DMA :

Direct miRNA analysis

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Correspondence to William M. Grady .

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Ko, B., Hanna, M., Yu, M., Grady, W.M. (2023). Epigenetic Alterations in Colorectal Cancer. In: Kalkan, R. (eds) Cancer Epigenetics. Epigenetics and Human Health, vol 11. Springer, Cham. https://doi.org/10.1007/978-3-031-42365-9_10

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