Biology Faculty Articles

Document Type

Article

Publication Date

6-2006

Publication Title

Human Genomics

Keywords

Nasopharyngeal carcinoma, Chromosome 4, Microsatellite, Association study, Epstein-Barr virus

ISSN

1473-9542

Volume

2

Issue/No.

6

First Page

365

Last Page

375

Abstract

Nasopharyngeal carcinoma (NPC) is a complex disease caused by a combination of Epstein-Barr virus chronic infection, the environment and host genes in a multi-step process of carcinogenesis. The identity of genetic factors involved in the development of chronic Epstein-Barr virus infection and NPC remains elusive, however. Here, we describe a two-phase, population-based, case-control study of Han Chinese from Guangxi province, where the NPC incidence rate rises to a high of 25-50 per 100,000 individuals. Phase I, powered to detect single gene associations, enrolled 984 subjects to determine feasibility, to develop infrastructure and logistics and to determine error rates in sample handling. A microsatellite screen of Phase I study participants, genotyped for 319 alleles from 34 microsatellites spanning an 18-megabase region of chromosome 4 (4p15.1-q12), previously implicated by a linkage analysis of familial NPC, found 14 alleles marginally associated with developing NPC or chronic immunoglobulin A production (p = 0.001-0.03). These associations lost significance after applying a correction for multiple tests. Although the present results await confirmation, the Phase II study population has tripled patient enrolment and has included environmental covariates, offering the potential to validate this and other genomic regions that influence the onset of NPC.

Comments

©Henry Stewart Publications 2006

Additional Comments

National Cancer Institute contract #: N01-CO-12400

ORCID ID

0000-0001-7353-8301

ResearcherID

N-1726-2015

Peer Reviewed

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