Relationship of the aberrant DNA hypermethylation of cancer-related genes with carcinogenesis of endometrial cancer

Kouji Banno, Megumi Yanokura, Nobuyuki Susumu, Makiko Kawaguchi, Nobumaru Hirao, Akira Hirasawa, Katsumi Tsukazaki, Daisuke Aoki

Research output: Contribution to journalArticle

44 Citations (Scopus)

Abstract

Epigenetic abnormalities including the aberrant DNA hypermethylation of the promoter CpG islands play a key role in the mechanism of gene inactivation in cell carcinogenesis. To identify the genes associated with aberrant DNA hypermethylation in endometrial carcinogenesis, we studied the hypermethylation of the promoter regions of five genes: hMLH1, APC, E-cadherin, RAR-β and p16. The frequencies of aberrant hypermethylation were 40.4% (21/52) in hMLH1, 22% (11/50) in APC, 14% (7/50) in E- cadherin, and 2.3% (1/44) in RAR-β in endometrial cancer specimens. No aberrant DNA methylation was found in p16. In atypical endometrial hyperplasia, the frequencies of aberrant methylation were 14.3% (2/14) in hMLH1 and 7.3% (1/14) in APC, whereas normal endometrial cells showed no aberrant hypermethylation of any of the five genes. The high frequencies of the aberrant DNA hypermethylation of hMLH1 , APC and E-cadherin suggest that the methylation of the DNA mismatch repair and Wnt signal-related genes may be associated with endometrial carcinogenesis.

Original languageEnglish
Pages (from-to)1189-1196
Number of pages8
JournalOncology Reports
Volume16
Issue number6
Publication statusPublished - 2006 Dec

Fingerprint

Neoplasm Genes
Cadherins
Endometrial Neoplasms
Carcinogenesis
DNA
Methylation
APC Genes
Genes
Endometrial Hyperplasia
CpG Islands
DNA Mismatch Repair
Gene Silencing
DNA Methylation
Genetic Promoter Regions
Epigenomics

Keywords

  • Adenomatous polyposis coli
  • DNA hypermethylation
  • E-cadherin
  • Endometrial cancer
  • Human MutL homolog-1
  • Retinoic acid receptor-β

ASJC Scopus subject areas

  • Cancer Research
  • Oncology

Cite this

Relationship of the aberrant DNA hypermethylation of cancer-related genes with carcinogenesis of endometrial cancer. / Banno, Kouji; Yanokura, Megumi; Susumu, Nobuyuki; Kawaguchi, Makiko; Hirao, Nobumaru; Hirasawa, Akira; Tsukazaki, Katsumi; Aoki, Daisuke.

In: Oncology Reports, Vol. 16, No. 6, 12.2006, p. 1189-1196.

Research output: Contribution to journalArticle

Banno, K, Yanokura, M, Susumu, N, Kawaguchi, M, Hirao, N, Hirasawa, A, Tsukazaki, K & Aoki, D 2006, 'Relationship of the aberrant DNA hypermethylation of cancer-related genes with carcinogenesis of endometrial cancer', Oncology Reports, vol. 16, no. 6, pp. 1189-1196.
Banno K, Yanokura M, Susumu N, Kawaguchi M, Hirao N, Hirasawa A et al. Relationship of the aberrant DNA hypermethylation of cancer-related genes with carcinogenesis of endometrial cancer. Oncology Reports. 2006 Dec;16(6):1189-1196.
Banno, Kouji ; Yanokura, Megumi ; Susumu, Nobuyuki ; Kawaguchi, Makiko ; Hirao, Nobumaru ; Hirasawa, Akira ; Tsukazaki, Katsumi ; Aoki, Daisuke. / Relationship of the aberrant DNA hypermethylation of cancer-related genes with carcinogenesis of endometrial cancer. In: Oncology Reports. 2006 ; Vol. 16, No. 6. pp. 1189-1196.
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