A genome-wide association study identifies SNP in DCC is associated with gallbladder cancer in the Japanese population

Pei Chieng Cha, Hitoshi Zembutsu, Atsushi Takahashi, Michiaki Kubo, Naoyuki Kamatani, Yusuke Nakamura

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

Gallbladder cancer (GC) is a relatively uncommon cancer with higher incidence in certain areas including Japan. Because of the difficulty in diagnosis, prognosis of GC is very poor. To identify genetic determinants of GC, we conducted a genome-wide association study (GWAS) in 41 GC patients and 866 controls. Association between each single-nucleotide polymorphism (SNP) with GC susceptibility was evaluated by multivariate logistic regression analysis conditioned on age and gender of subjects. SNPs that showed suggestive association (P<1 × 10-4) with GC were further examined in 30 cases and 898 controls. SNP rs7504990 in the DCC (deleted in colorectal cancer, 18q21.3) that encodes a netrin 1 receptor achieved a combined P-value of 7.46 × 10-8 (OR6.95; 95% CI3.43-14.08). Subsequent imputation analysis identified multiple SNPs with similarly strong associations in an adjacent genomic region, where loss of heterozygosity was reported in GC and other cancers. Reduced expression of DCC was indicated to be associated with the poorly differentiated histological type, increased proliferation and metastasis through loss of adhesiveness. However, due to the limited sample size investigated here, further replication study and functional analysis would be necessary to further confirm the result of the association.

Original languageEnglish
Pages (from-to)235-237
Number of pages3
JournalJournal of Human Genetics
Volume57
Issue number4
DOIs
Publication statusPublished - 01-04-2012

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Gallbladder Neoplasms
Genome-Wide Association Study
Single Nucleotide Polymorphism
Colorectal Neoplasms
Population
Adhesiveness
Loss of Heterozygosity
Sample Size
Neoplasms
Japan
Logistic Models
Regression Analysis
Neoplasm Metastasis
Incidence

All Science Journal Classification (ASJC) codes

  • Genetics
  • Genetics(clinical)

Cite this

Cha, Pei Chieng ; Zembutsu, Hitoshi ; Takahashi, Atsushi ; Kubo, Michiaki ; Kamatani, Naoyuki ; Nakamura, Yusuke. / A genome-wide association study identifies SNP in DCC is associated with gallbladder cancer in the Japanese population. In: Journal of Human Genetics. 2012 ; Vol. 57, No. 4. pp. 235-237.
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A genome-wide association study identifies SNP in DCC is associated with gallbladder cancer in the Japanese population. / Cha, Pei Chieng; Zembutsu, Hitoshi; Takahashi, Atsushi; Kubo, Michiaki; Kamatani, Naoyuki; Nakamura, Yusuke.

In: Journal of Human Genetics, Vol. 57, No. 4, 01.04.2012, p. 235-237.

Research output: Contribution to journalArticle

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