Cited by 140Retinal Diseases and TreatmentsGenetic Associations and EpidemiologyRetinal Development and Disorders

Age-related maculopathy: an expanded genome-wide scan with evidence of susceptibility loci within the 1q31 and 17q25 regions

Weeks, Daniel E, Conley, Yvette P, Tsai, Hui-ju, Mah, Tammy S, Rosenfeld, Philip J, Paul, T.Otis, Eller, Andrew W, Morse, Lawrence S +3 more·2001·American Journal of Ophthalmology

Abstract

Purpose We seek to identify genetic loci that contribute to age-related maculopathy susceptibility.Methods Families consisting of at least two siblings affected by age-related maculopathy were ascertained using eye care records and fundus photographs. Additional family members were used to increase the power to detect linkage. Microsatellite genotyping was conducted by the National Heart, Lung and Blood Institute Mammalian Genotyping Service and the National Institutes of Health Center for Inherited Disease Research. Linkage analyses were conducted with parametric (autosomal dominant; heterogeneity lod score) and nonparametric methods (S(all) statistic) using three diagnostic models. False-positive rates were determined from simulations using actual pedigrees and genotyping data.Results Under our least stringent diagnostic model, model C, 860 affected individuals from 391 families (452 sib pairs) were genotyped. Sixty-five percent of the affected individuals had evidence of exudative disease. Four regions, 1q31, 9p13, 10q26, and 17q25, showed multipoint heterogeneity lod scores or S(all) scores of 2.0 or greater (under at least one model). Under our most stringent diagnostic model, model A, the 1q31 heterogeneity lod score was 2.46 between D1S1660 and D1S1647. Under model C, the 17q25 heterogeneity lod score at D17S928 was 3.16. Using a threshold of 1.5, additional loci on chromosomes 2 and 12 were identified.Conclusions The locus on chromosome 1q31 independently confirms a report by Klein and associates mapping an age-related maculopathy susceptibility gene to this region. Simulations indicate that the 1q31 and 17q25 loci are unlikely to be false positives. There was no evidence that other known macular or retinal dystrophy candidate gene regions are major contributors to the genetics of age-related maculopathy.

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Crossref · 10.1016/s0002-9394(01)01214-4

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Authors
Weeks, D. E., Conley, Y. P., Tsai, H.-J., Mah, T. S., Rosenfeld, P. J., Paul, T. O., Eller, A. W., Morse, L. S., Dailey, J. P., Ferrell, R. E., & Gorin, M. B.
Affiliations
  • University of Pittsburgh (US)
  • University of Miami (US)
  • Smith-Kettlewell Eye Research Institute (US)
  • University of California, Davis (US)
  • Case Western Reserve University (US)
Corresponding author
Gorin, Michael B
Venue
American Journal of Ophthalmology
Publisher
Elsevier BV
Published
2001-11
Volume
132
Issue
5
Pages
682-692
ISSN
0002-9394 (ISSN-L)
OpenAlex
W2047282046
Cited by
140
References
31
Citations by year
2025: 2 · 2024: 2 · 2023: 1 · 2022: 4 · 2021: 4 · 2020: 1 · 2019: 1 · 2018: 4 · 2017: 3 · 2016: 5 · 2015: 2 · 2014: 4 · 2013: 2 · 2012: 5
FWCI
9.05
Type
journal article
Language
en
Open access
closed
Locations
  • American Journal of Ophthalmology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (n01hg065403-000, n01hv048141-009)
  • National Heart, Lung, and Blood Institute (N01-HV48141)
  • National Human Genome Research Institute (N01 HG-65403)
  • National Eye Institute (R01-EY 09859, R01EY009859)
Topics
  • Health Sciences › Medicine › Ophthalmology › Retinal Diseases and Treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Retinal Development and Disorders
Keywords
age-related maculopathy, genetic susceptibility loci, chromosome 17q25, linkage analysis, chromosome 10q26
MeSH terms
Aged, Chromosome Mapping, Chromosomes, Human, Pair 1, Chromosomes, Human, Pair 17, Female, Genotype, Humans, Genetic Linkage, Lod Score, Macular Degeneration, Male, Middle Aged, Pedigree, Cohort Studies, Genome, Genetic Predisposition to Disease

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