Microsatellite instability in multiple gastric cancers

Hideaki Nakashima, Masayuki Honda, Hiroshi Inoue, Kenji Shibuta, Shinya Arinaga, Shoichi Era, Hiroaki Ueo, Masaki Mori, Tsuyoshi Akiyoshi

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Abstract

To better elucidate the role of genetic instability in the development of gastric cancer, microsatellite alterations were examined in a total of 30 gastric cancers that developed in 14 Japanese patients with multiple gastric cancers, which are considered to have possibly occurred under the same genetic background and in the same microenvironment of the stomach. Microsatellite instability (MSI) in multiple gastric cancers was recognized in 11 out of 14 cases (78.5%) and in 16 out of 30 cancers (53.3%). Eight out of 11 cases showing MSI exhibited a heterogeneity of microsatellite alterations. The incidence of microsatellite instability in the multiple gastric cancers cases was significantly higher than that in the solitary gastric cancer cases reported previously (20.8%: 5 out of 24 cases). These results suggested that (1) genetic instability plays a more important role in the development of multiple gastric cancers than in that of solitary gastric cancer and (2) the heterogeneity of MSI in multiple gastric cancers may not be a rare event, although the significance of the heterogeneity could not be clarified. © 1995 Wiley‐Liss, Inc.

Original languageEnglish
Pages (from-to)239-242
Number of pages4
JournalInternational Journal of Cancer
Volume64
Issue number4
DOIs
Publication statusPublished - Aug 22 1995

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Microsatellite Instability
Stomach Neoplasms
Microsatellite Repeats
Stomach

All Science Journal Classification (ASJC) codes

  • Oncology
  • Cancer Research

Cite this

Nakashima, H., Honda, M., Inoue, H., Shibuta, K., Arinaga, S., Era, S., ... Akiyoshi, T. (1995). Microsatellite instability in multiple gastric cancers. International Journal of Cancer, 64(4), 239-242. https://doi.org/10.1002/ijc.2910640405

Microsatellite instability in multiple gastric cancers. / Nakashima, Hideaki; Honda, Masayuki; Inoue, Hiroshi; Shibuta, Kenji; Arinaga, Shinya; Era, Shoichi; Ueo, Hiroaki; Mori, Masaki; Akiyoshi, Tsuyoshi.

In: International Journal of Cancer, Vol. 64, No. 4, 22.08.1995, p. 239-242.

Research output: Contribution to journalArticle

Nakashima, H, Honda, M, Inoue, H, Shibuta, K, Arinaga, S, Era, S, Ueo, H, Mori, M & Akiyoshi, T 1995, 'Microsatellite instability in multiple gastric cancers', International Journal of Cancer, vol. 64, no. 4, pp. 239-242. https://doi.org/10.1002/ijc.2910640405
Nakashima H, Honda M, Inoue H, Shibuta K, Arinaga S, Era S et al. Microsatellite instability in multiple gastric cancers. International Journal of Cancer. 1995 Aug 22;64(4):239-242. https://doi.org/10.1002/ijc.2910640405
Nakashima, Hideaki ; Honda, Masayuki ; Inoue, Hiroshi ; Shibuta, Kenji ; Arinaga, Shinya ; Era, Shoichi ; Ueo, Hiroaki ; Mori, Masaki ; Akiyoshi, Tsuyoshi. / Microsatellite instability in multiple gastric cancers. In: International Journal of Cancer. 1995 ; Vol. 64, No. 4. pp. 239-242.
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