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Genetic variants near TIMP3 and high-density lipoprotein-associated loci influence susceptibility to age-related macular degeneration

  • Wei Chen
  • , Dwight Stambolian
  • , Albert O. Edwards
  • , Kari E. Branham
  • , Mohammad Othman
  • , Johanna Jakobsdottir
  • , Nirubol Tosakulwong
  • , Margaret A. Pericak-Vance
  • , Peter A. Campochiaro
  • , Michael L. Klein
  • , Perciliz L. Tan
  • , Yvette P. Conley
  • , Atsuhiro Kanda
  • , Laura Kopplin
  • , Yanming Li
  • , Katherine J. Augustaitis
  • , Athanasios J. Karoukis
  • , William K. Scott
  • , Anita Agarwal
  • , Jaclyn L. Kovach
  • Stephen G. Schwartz, Eric A. Postel, Matthew Brooks, Keith H. Baratz, William L. Brown, Alexander J. Brucker, Anton Orlin, Gary Brown, Allen Ho, Carl Regillo, Larry Donoso, Lifeng Tian, Brian Kaderli, Dexter Hadley, Stephanie A. Hagstrom, Neal S. Peachey, Ronald Klein, Barbara E.K. Klein, Norimoto Gotoh, Kenji Yamashiro, Frederick Ferris, Jesen A. Fagerness, Robyn Reynolds, Lindsay A. Farrer, Ivana K. Kim, Joan W. Miller, Marta Cortón, Angel Carracedo, Manuel Sanchez-Salorio, Elizabeth W. Pugh, Kimberly F. Doheny, Maria Brion, Margaret M. DeAngelis, Daniel E. Weeks, Donald J. Zack, Emily Y. Chew, John R. Heckenlively, Nagahisa Yoshimura, Sudha K. Iyengar, Peter J. Francis, Nicholas Katsanis, Johanna M. Seddon, Jonathan L. Haines, Michael B. Gorin, Gonçalo R. Abecasis, Anand Swaroop
  • University of Michigan, Ann Arbor
  • University of Pennsylvania
  • Mayo Clinic Rochester, MN
  • University of Pittsburgh
  • University of Miami
  • Johns Hopkins University
  • Oregon Health and Science University
  • National Institutes of Health
  • Case Western Reserve University
  • Vanderbilt University
  • Duke University
  • Mid-Atlantic Retina
  • Thomas Jefferson University
  • Philadelphia Retina Endowment Fund
  • Cleveland Clinic Foundation
  • Louis Stokes Cleveland VA Medical Center
  • University of Wisconsin-Madison
  • Kyoto University
  • Massachusetts General Hospital
  • Tufts-New England Medical Center
  • Boston University
  • Harvard University
  • Complejo Hospitalario Universitario de Santiago
  • University of Santiago de Compostela
  • Instituto Gallego de Oftalmología
  • Tufts University
  • University of California at Los Angeles

Research output: Contribution to journalArticlepeer-review

468 Scopus citations

Abstract

We executed a genome-wide association scan for age-related macular degeneration (AMD) in 2,157 cases and 1,150 controls. Our results validate AMD susceptibility loci near CFH (P < 10-75), ARMS2 (P < 10 -59), C2/CFB (P < 10-20), C3 (P < 10-9), and CFI (P < 10-6). We compared our top findings with the Tufts/Massachusetts General Hospital genome-wide association study of advanced AMD (821 cases, 1,709 controls) and genotyped 30 promising markers in additional individuals (up to 7,749 cases and 4,625 controls). With these data, we identified a susceptibility locus near TIMP3 (overall P = 1.1 x 10 -11), a metalloproteinase involved in degradation of the extracellular matrix and previously implicated in early-onset maculopathy. In addition, our data revealed strong association signals with alleles at two loci (LIPC, P = 1.3 x 10-7; CETP, P = 7.4 x 10-7) that were previously associated with high-density lipoprotein cholesterol (HDL-c) levels in blood. Consistent with the hypothesis that HDL metabolism is associated with AMD pathogenesis, we also observed association with AMD of HDL-c - associated alleles near LPL (P = 3.0 x 10-3) and ABCA1 (P = 5.6 x 10 -4). Multilocus analysis including all susceptibility loci showed that 329 of 331 individuals (99%) with the highest-risk genotypes were cases, and 85% of these had advanced AMD. Our studies extend the catalog of AMD associated loci, help identify individuals at high risk of disease, and provide clues about underlying cellular pathways that should eventually lead to new therapies.

Original languageEnglish
Pages (from-to)7401-7406
Number of pages6
JournalProceedings of the National Academy of Sciences of the United States of America
Volume107
Issue number16
DOIs
StatePublished - Apr 20 2010

Keywords

  • Genome-wide association study
  • Single nucleotide polymorphism

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