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Ala394Thr polymorphism in the clock gene NPAS2: a circadian modifier for the risk of non-Hodgkin's lymphoma.

ABSTRACT: Circadian disruption is theorized to cause immune dysregulation, which is the only established risk factor for non-Hodgkin's lymphoma (NHL). Genes responsible for circadian rhythm are also involved in cancer-related biological pathways as potential tumor suppressors. However, no previous studies have examined associations between circadian genes and NHL risk. In this population-based case control study (n = 455 cases; 527 controls), we examined the only identified nonsynonymous polymorphism (Ala394Thr; rs2305160) in the largest circadian gene, neuronal PAS domain protein 2 (NPAS2), in order to examine its impact on NHL risk. Our results demonstrate a robust association of the variant Thr genotypes (Ala/Thr and Thr/Thr) with reduced risk of NHL (OR = 0.66, 95% CI: 0.51-0.85, p = 0.001), especially B-cell lymphoma (OR = 0.61, 95% CI: 0.47-0.80, p

SUBMITTER: Zhu Y 

PROVIDER: S-EPMC2375536 | biostudies-literature | 2007 Jan

REPOSITORIES: biostudies-literature

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Ala394Thr polymorphism in the clock gene NPAS2: a circadian modifier for the risk of non-Hodgkin's lymphoma.

Zhu Yong Y   Leaderer Derek D   Guss Carly C   Brown Heather N HN   Zhang Yawei Y   Boyle Peter P   Stevens Richard G RG   Hoffman Aaron A   Qin Qin Q   Han Xuesong X   Zheng Tongzhang T  

International journal of cancer 20070101 2

Circadian disruption is theorized to cause immune dysregulation, which is the only established risk factor for non-Hodgkin's lymphoma (NHL). Genes responsible for circadian rhythm are also involved in cancer-related biological pathways as potential tumor suppressors. However, no previous studies have examined associations between circadian genes and NHL risk. In this population-based case control study (n = 455 cases; 527 controls), we examined the only identified nonsynonymous polymorphism (Ala  ...[more]

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