Identification of differentially-expressed genes by DNA methylation in cervical cancer

Oncology Letters
Heun-Sik LeeYong-Il Kwon

Abstract

To identify novel cervical cancer-related genes that are regulated by DNA methylation, integrated analyses of genome-wide DNA methylation and RNA expression profiles were performed using the normal and tumor regions of tissues from four patients; two with cervical cancer and two with pre-invasive cancer. The present study identified 19 novel cervical cancer-related genes showing differential RNA expression by DNA methylation. A number of the identified genes were novel cervical cancer-related genes and their differential expression was confirmed in a publicly available database. Among the candidate genes, the epigenetic regulation and expression of three genes, CAMK2N1, ALDH1A3 and PPP1R3C, was validated in HeLa cells treated with a demethylating reagent using methylation-specific polymerase chain reaction (PCR) and quantitative PCR, respectively. From these results, the expression of the CAMK2N1, ALDH1A3 and PPP1R3C genes are were shown to be suppressed in cervical cancers by DNA methylation. These genes may be involved in the progression or initiation of cervical cancer.

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Citations

Jan 15, 2014·Experimental and Molecular Pathology·Gerald LiCalum Macaulay
Nov 1, 2016·Journal of Virology·Bart M MaślikowskiPierre-André Bédard
Apr 2, 2016·Epigenomics·Charoenchai PuttipanyalearsApiwat Mutirangura
Sep 12, 2020·Cancer Biotherapy & Radiopharmaceuticals·Yuanyan ZhaoDan Luo

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Methods Mentioned

BETA
electrophoresis
PCR

Software Mentioned

R
Sequence Detection System ( SDS )
GenomeStudio
Cluster
TreeView
GENT
DAVID
CCDB
methylation
Illumina GenomeStudio (

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