American Association for Cancer Research
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Supplemental Figure 1S from A GWAS Meta-analysis and Replication Study Identifies a Novel Locus within CLPTM1L/TERT Associated with Nasopharyngeal Carcinoma in Individuals of Chinese Ancestry

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posted on 2023-03-31, 14:02 authored by Jin-Xin Bei, Wen-Hui Su, Ching-Ching Ng, Kai Yu, Yoon-Ming Chin, Pei-Jen Lou, Wan-Lun Hsu, James D. McKay, Chien-Jen Chen, Yu-Sun Chang, Li-Zhen Chen, Ming-Yuan Chen, Qian Cui, Fu-Tuo Feng, Qi-Shen Feng, Yun-Miao Guo, Wei-Hua Jia, Alan Soo-Beng Khoo, Wen-Sheng Liu, Hao-Yuan Mo, Kin-Choo Pua, Soo-Hwang Teo, Ka-Po Tse, Yun-Fei Xia, Hongxin Zhang, Gang-Qiao Zhou, Jian-Jun Liu, Yi-Xin Zeng, Allan Hildesheim

Supplemental Figure 1S. Individual Study Results from GWAS Meta-Analysis and Replication Studies for Selected SNPs.

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ARTICLE ABSTRACT

Background: Genetic loci within the major histocompatibility complex (MHC) have been associated with nasopharyngeal carcinoma (NPC), an Epstein-Barr virus (EBV)-associated cancer, in several GWAS. Results outside this region have varied.Methods: We conducted a meta-analysis of four NPC GWAS among Chinese individuals (2,152 cases; 3,740 controls). Forty-three noteworthy findings outside the MHC region were identified and targeted for replication in a pooled analysis of four independent case–control studies across three regions in Asia (4,716 cases; 5,379 controls). A meta-analysis that combined results from the initial GWA and replication studies was performed.Results: In the combined meta-analysis, rs31489, located within the CLPTM1L/TERT region on chromosome 5p15.33, was strongly associated with NPC (OR = 0.81; P value 6.3 × 10−13). Our results also provide support for associations reported from published NPC GWAS—rs6774494 (P = 1.5 × 10−12; located in the MECOM gene region), rs9510787 (P = 5.0 × 10−10; located in the TNFRSF19 gene region), and rs1412829/rs4977756/rs1063192 (P = 2.8 × 10−8, P = 7.0 × 10−7, and P = 8.4 × 10−7, respectively; located in the CDKN2A/B gene region).Conclusions: We have identified a novel association between genetic variation in the CLPTM1L/TERT region and NPC. Supporting our finding, rs31489 and other SNPs in this region have been reported to be associated with multiple cancer sites, candidate-based studies have reported associations between polymorphisms in this region and NPC, the TERT gene has been shown to be important for telomere maintenance and has been reported to be overexpressed in NPC, and an EBV protein expressed in NPC (LMP1) has been reported to modulate TERT expression/telomerase activity.Impact: Our finding suggests that factors involved in telomere length maintenance are involved in NPC pathogenesis. Cancer Epidemiol Biomarkers Prev; 25(1); 188–92. ©2015 AACR.