Characterization of DNA hypermethylation in two cases of peritoneal mesothelioma.

Ryota Hama, Yoshiyuki Watanabe, Kanako Shinada, Yosuke Yamada, Yuka Ogata, Yoshihito Yoshida, Tomohiro Tamura, Tetsuya Hiraishi, Ritsuko Oikawa, J. Sakurai, Tadateru Maehata, Hirotaka Koizumi, Fumio Itoh

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Malignant mesothelioma (MM) is a rare disease with a poor prognosis. Pleural mesothelioma, which is the most common type of MM, is considered to be caused by asbestos exposure and is increasing in incidence, with about 15,000 new cases diagnosed worldwide annually. On the other hand, peritoneal mesothelioma is a very rare type of MM; thus, its pathogenesis is even less understood than pleural mesothelioma. Recent research on the pathogenesis of malignant pleural mesothelioma has indicated that both epigenetic and genetic alterations contribute to tumorigenesis. Here, we hypothesize that peritoneal mesothelioma also has an epigenetic alteration in the same genes (Kazal-type serine peptidase inhibitor domain 1 (KAZALD1), transmembrane protein 30B (TMEM30B), and mitogen-activated protein kinase 13 (MAPK13)). Our goal is to identify DNA methylation of these three candidate genes in two peritoneal mesothelioma cases. Laser capture microdissection was used to separate diseased sections of formalin-fixed paraffin-embedded samples from one surgically resected tissue (epithelial type) and one autopsy tissue (sarcomatous type). Genomic DNA was subsequently extracted by the standard phenol chloroform method. The DNA was then treated with sodium bisulphite, and pyrosequencing analysis was used to quantitatively analyze the methylation of candidate genes reported to be hypermethylated in malignant pleural mesothelioma (KAZALD1, TMEM30B, and MAPK13). TMEM30B and MAPK13 were not methylated in either case. However, KAZALD1 was highly methylated in sarcomatoid-type peritoneal mesothelioma. We first report that the KAZALD1 gene was hypermethylated in sarcomatoid-type malignant peritoneal mesothelioma.

Original languageEnglish
Pages (from-to)2031-2040
Number of pages10
JournalTumour biology : the journal of the International Society for Oncodevelopmental Biology and Medicine
Volume33
Issue number6
Publication statusPublished - 2012
Externally publishedYes

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Mesothelioma
Mitogen-Activated Protein Kinase 13
DNA
Epigenomics
Genes
Laser Capture Microdissection
Proteins
Asbestos
Genetic Association Studies
DNA Methylation
Chloroform
Rare Diseases
Phenol
Protease Inhibitors
Paraffin
Serine
Methylation
Formaldehyde
Malignant Mesothelioma
Autopsy

ASJC Scopus subject areas

  • Cancer Research

Cite this

Characterization of DNA hypermethylation in two cases of peritoneal mesothelioma. / Hama, Ryota; Watanabe, Yoshiyuki; Shinada, Kanako; Yamada, Yosuke; Ogata, Yuka; Yoshida, Yoshihito; Tamura, Tomohiro; Hiraishi, Tetsuya; Oikawa, Ritsuko; Sakurai, J.; Maehata, Tadateru; Koizumi, Hirotaka; Itoh, Fumio.

In: Tumour biology : the journal of the International Society for Oncodevelopmental Biology and Medicine, Vol. 33, No. 6, 2012, p. 2031-2040.

Research output: Contribution to journalArticle

Hama, R, Watanabe, Y, Shinada, K, Yamada, Y, Ogata, Y, Yoshida, Y, Tamura, T, Hiraishi, T, Oikawa, R, Sakurai, J, Maehata, T, Koizumi, H & Itoh, F 2012, 'Characterization of DNA hypermethylation in two cases of peritoneal mesothelioma.', Tumour biology : the journal of the International Society for Oncodevelopmental Biology and Medicine, vol. 33, no. 6, pp. 2031-2040.
Hama, Ryota ; Watanabe, Yoshiyuki ; Shinada, Kanako ; Yamada, Yosuke ; Ogata, Yuka ; Yoshida, Yoshihito ; Tamura, Tomohiro ; Hiraishi, Tetsuya ; Oikawa, Ritsuko ; Sakurai, J. ; Maehata, Tadateru ; Koizumi, Hirotaka ; Itoh, Fumio. / Characterization of DNA hypermethylation in two cases of peritoneal mesothelioma. In: Tumour biology : the journal of the International Society for Oncodevelopmental Biology and Medicine. 2012 ; Vol. 33, No. 6. pp. 2031-2040.
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AU - Ogata, Yuka

AU - Yoshida, Yoshihito

AU - Tamura, Tomohiro

AU - Hiraishi, Tetsuya

AU - Oikawa, Ritsuko

AU - Sakurai, J.

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AU - Koizumi, Hirotaka

AU - Itoh, Fumio

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