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Cross-ethnic meta-analysis identifies association of the GPX3-TNIP1 locus with amyotrophic lateral sclerosis

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Beben Benyamin, Ji He, Qiongyi Zhao, Jacob Gratten, Fleur Garton, Paul J. Leo, Zhijun Liu, Marie Mangelsdorf, Ammar Al-Chalabi, Lisa Anderson, Timothy J. Butler, Lu Chen, Xiang Ding Chen, Katie Cremin, Hong Weng Deng, Matthew Devine, Janette Edson, Jennifer A. Fifita, Sarah Furlong, Ying Ying Han & 44 more Jessica Harris, Anjali K. Henders, Rosalind L. Jeffree, Zi Bing Jin, Zhongshan Li, Ting Li, Mengmeng Li, Yong Lin, Xiaolu Liu, Mhairi Marshall, Emily P. McCann, Bryan J. Mowry, Shyuan T. Ngo, Roger Pamphlett, Shu Ran, David C. Reutens, Dominic B. Rowe, Perminder Sachdev, Sonia Shah, Sharon Song, Li Jun Tan, Lu Tang, Leonard H. Van Den Berg, Wouter Van Rheenen, Jan H. Veldink, Robyn H. Wallace, Lawrie Wheeler, Kelly L. Williams, Jinyu Wu, Xin Wu, Jian Yang, Weihua Yue, Zong Hong Zhang, Dai Zhang, Peter G. Noakes, Ian P. Blair, Robert D. Henderson, Pamela A. McCombe, Peter M. Visscher, Huji Xu, Perry F. Bartlett, Matthew A. Brown, Naomi R. Wray, Dongsheng Fan

Original languageEnglish
Pages (from-to)1-7
JournalNature Communications
Volume8
Issue number611
Early online date20 Sep 2017
DOIs
Publication statusPublished - 2017

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Abstract

Cross-ethnic genetic studies can leverage power from differences in disease epidemiology and population-specific genetic architecture. In particular, the differences in linkage disequilibrium and allele frequency patterns across ethnic groups may increase gene-mapping resolution. Here we use cross-ethnic genetic data in sporadic amyotrophic lateral sclerosis (ALS), an adult-onset, rapidly progressing neurodegenerative disease. We report analyses of novel genome-wide association study data of 1,234 ALS cases and 2,850 controls. We find a significant association of rs10463311 spanning GPX3-TNIP1 with ALS (p = 1.3 × 10-8), with replication support from two independent Australian samples (combined 576 cases and 683 controls, p = 1.7 × 10-3). Both GPX3 and TNIP1 interact with other known ALS genes (SOD1 and OPTN, respectively). In addition, GGNBP2 was identified using gene-based analysis and summary statistics-based Mendelian randomization analysis, although further replication is needed to confirm this result. Our results increase our understanding of genetic aetiology of ALS.

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