Association of expression between N‐myc gene and major histocompatibility complex class I gene in surgically resected human neuroblastoma

Kenji Sugio, Akira Nakagawara, Takehiko Sasazuki

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Amplification of the N‐myc gene in neuroblastoma correlates with advanced stage and poor prognosis. Association of the expression between N‐myc and major histocompatibility complex (MHC) class I genes in 33 neuroblastomas obtained from Japanese children was investigated. Amplification of the N‐myc gene was observed in two of five cases in Stage III, six of 11 cases in Stage IV, and one of five cases in Stage IV‐S. In each case, the expression of N‐myc gene was significantly increased. The expression was also increased in cases without amplification of the N‐myc gene, the origin being from the suprarenal region. Expression of the MHC class I gene was significantly decreased in five of these nine with a high level of N‐myc expression with amplification. These results suggest that the down‐modulation of the MHC class I expression may be associated with the high level of expression and amplification of N‐myc gene in the advanced stage of neuroblastoma.

Original languageEnglish
Pages (from-to)1384-1388
Number of pages5
JournalCancer
Volume67
Issue number5
DOIs
Publication statusPublished - Mar 1 1991
Externally publishedYes

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MHC Class I Genes
Gene Amplification
Major Histocompatibility Complex
Neuroblastoma
Genes
Gene Expression

All Science Journal Classification (ASJC) codes

  • Oncology
  • Cancer Research

Cite this

Association of expression between N‐myc gene and major histocompatibility complex class I gene in surgically resected human neuroblastoma. / Sugio, Kenji; Nakagawara, Akira; Sasazuki, Takehiko.

In: Cancer, Vol. 67, No. 5, 01.03.1991, p. 1384-1388.

Research output: Contribution to journalArticle

Sugio, Kenji ; Nakagawara, Akira ; Sasazuki, Takehiko. / Association of expression between N‐myc gene and major histocompatibility complex class I gene in surgically resected human neuroblastoma. In: Cancer. 1991 ; Vol. 67, No. 5. pp. 1384-1388.
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