A large genome-wide association study of age-related macular degeneration highlights contributions of rare and common variants.

Authors:
Lars G Fritsche Wilmar Igl Jessica N Cooke Bailey Felix Grassmann Sebanti Sengupta Jennifer L Bragg-Gresham Kathryn P Burdon Scott J Hebbring Cindy Wen Mathias Gorski Ivana K Kim David Cho Donald Zack Eric Souied Hendrik P N Scholl Elisa Bala Kristine E Lee David J Hunter Rebecca J Sardell Paul Mitchell Joanna E Merriam Valentina Cipriani Joshua D Hoffman Tina Schick Yara T E Lechanteur Robyn H Guymer Matthew P Johnson Yingda Jiang Chloe M Stanton Gabriëlle H S Buitendijk Xiaowei Zhan Alan M Kwong Alexis Boleda Matthew Brooks Linn Gieser Rinki Ratnapriya Kari E Branham Johanna R Foerster John R Heckenlively Mohammad I Othman Brendan J Vote Helena Hai Liang Emmanuelle Souzeau Ian L McAllister Timothy Isaacs Janette Hall Stewart Lake David A Mackey Ian J Constable Jamie E Craig Terrie E Kitchner Zhenglin Yang Zhiguang Su Hongrong Luo Daniel Chen Hong Ouyang Ken Flagg Danni Lin Guanping Mao Henry Ferreyra Klaus Stark Claudia N von Strachwitz Armin Wolf Caroline Brandl Guenther Rudolph Matthias Olden Margaux A Morrison Denise J Morgan Matthew Schu Jeeyun Ahn Giuliana Silvestri Evangelia E Tsironi Kyu Hyung Park Lindsay A Farrer Anton Orlin Alexander Brucker Mingyao Li Christine A Curcio Saddek Mohand-Saïd José-Alain Sahel Isabelle Audo Mustapha Benchaboune Angela J Cree Christina A Rennie Srinivas V Goverdhan Michelle Grunin Shira Hagbi-Levi Peter Campochiaro Nicholas Katsanis Frank G Holz Frédéric Blond Hélène Blanché Jean-François Deleuze Robert P Igo Barbara Truitt Neal S Peachey Stacy M Meuer Chelsea E Myers Emily L Moore Ronald Klein Michael A Hauser Eric A Postel Monique D Courtenay Stephen G Schwartz Jaclyn L Kovach William K Scott Gerald Liew Ava G Tan Bamini Gopinath John C Merriam R Theodore Smith Jane C Khan Humma Shahid Anthony T Moore J Allie McGrath Reneé Laux Milam A Brantley Anita Agarwal Lebriz Ersoy Albert Caramoy Thomas Langmann Nicole T M Saksens Eiko K de Jong Carel B Hoyng Melinda S Cain Andrea J Richardson Tammy M Martin John Blangero Daniel E Weeks Bal Dhillon Cornelia M van Duijn Kimberly F Doheny Jane Romm Caroline C W Klaver Caroline Hayward Michael B Gorin Michael L Klein Paul N Baird Anneke I den Hollander Sascha Fauser John R W Yates Rando Allikmets Jie Jin Wang Debra A Schaumberg Barbara E K Klein Stephanie A Hagstrom Itay Chowers Andrew J Lotery Thierry Léveillard Kang Zhang Murray H Brilliant Alex W Hewitt Anand Swaroop Emily Y Chew Margaret A Pericak-Vance Margaret DeAngelis Dwight Stambolian Jonathan L Haines Sudha K Iyengar Bernhard H F Weber Gonçalo R Abecasis Iris M Heid

Nat Genet 2016 Feb 21;48(2):134-43. Epub 2015 Dec 21.

Department of Genetic Epidemiology, University of Regensburg, Regensburg, Germany.

Advanced age-related macular degeneration (AMD) is the leading cause of blindness in the elderly, with limited therapeutic options. Here we report on a study of >12 million variants, including 163,714 directly genotyped, mostly rare, protein-altering variants. Analyzing 16,144 patients and 17,832 controls, we identify 52 independently associated common and rare variants (P < 5 × 10(-8)) distributed across 34 loci. Although wet and dry AMD subtypes exhibit predominantly shared genetics, we identify the first genetic association signal specific to wet AMD, near MMP9 (difference P value = 4.1 × 10(-10)). Very rare coding variants (frequency <0.1%) in CFH, CFI and TIMP3 suggest causal roles for these genes, as does a splice variant in SLC16A8. Our results support the hypothesis that rare coding variants can pinpoint causal genes within known genetic loci and illustrate that applying the approach systematically to detect new loci requires extremely large sample sizes.

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http://dx.doi.org/10.1038/ng.3448DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4745342PMC
February 2016
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