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Convergence of linkage, gene expression and association data demonstrates the influence of the RAR-related orphan receptor alpha (RORA) gene on neovascular AMD: A systems biology based approach

  • Alexandra C. Silveira
  • , Margaux A. Morrison
  • , Fei Ji
  • , Haiyan Xu
  • , James B. Reinecke
  • , Scott M. Adams
  • , Trevor M. Arneberg
  • , Maria Janssian
  • , Joo Eun Lee
  • , Yang Yuan
  • , Debra A. Schaumberg
  • , Maria G. Kotoula
  • , Evangeline E. Tsironi
  • , Aristoteles N. Tsiloulis
  • , Dimitrios Z. Chatzoulis
  • , Joan W. Miller
  • , Ivana K. Kim
  • , Gregory S. Hageman
  • , Lindsay A. Farrer
  • , Neena B. Haider
  • Margaret M. DeAngelis
  • Massachusetts Eye and Ear
  • Rockefeller University
  • University of Nebraska Medical Center
  • Brigham and Women’s Hospital
  • University of Thessaly
  • University of Iowa
  • Boston University

Research output: Contribution to journalArticlepeer-review

57 Scopus citations

Abstract

To identify novel genes and pathways associated with AMD, we performed microarray gene expression and linkage analysis which implicated the candidate gene, retinoic acid receptor-related orphan receptor alpha (RORA, 15q). Subsequent genotyping of 159 RORA single nucleotide polymorphisms (SNPs) in a family-based cohort, followed by replication in an unrelated case-control cohort, demonstrated that SNPs and haplotypes located in intron 1 were significantly associated with neovascular AMD risk in both cohorts. This is the first report demonstrating a possible role for RORA, a receptor for cholesterol, in the pathophysiology of AMD. Moreover, we found a significant interaction between RORA and the ARMS2/HTRA1 locus suggesting a novel pathway underlying AMD pathophysiology.

Original languageEnglish
Pages (from-to)698-715
Number of pages18
JournalVision Research
Volume50
Issue number7
DOIs
StatePublished - Mar 2010

Keywords

  • Haplotypes
  • Linkage
  • Microarray
  • Neovascularization
  • RORA
  • Single nucleotide polymorphisms

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