Cited by 208Retinal Diseases and TreatmentsGenetic Associations and EpidemiologyRetinal Development and Disorders

A Genomewide Scan for Age-Related Macular Degeneration Provides Evidence for Linkage to Several Chromosomal Regions

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Seddon, Johanna M., Santangelo, Susan L., Book, Kathryn, Chong, Sandy, Cote, Jennifer·2003·The American Journal of Human Genetics

Abstract

We report the results of a genomewide scan for age-related macular degeneration (AMD) in 158 multiplex families. AMD classification was based on fundus photography and was assigned a grade ranging from 1 (no disease) to 5 (exudative disease). Genotyping was performed by the National Heart, Lung, and Blood Institute Mammalian Genotyping Service at Marshfield (404 short tandem repeat markers). The sample included 158 families with two or more siblings with AMD, 490 affected individuals, 101 unaffected individuals, and 38 whose affection status was unknown. Relative pairs included 511 affected sibling, 28 avuncular, 53 cousin, 7 grandparent-grandchild, and 9 grand-avuncular pairs. Two-point parametric and multipoint parametric and nonparametric analyses were performed. Maximum two-point LOD scores of 1.0-2.0 were found for markers on chromosomes 1, 2, 8, 10, 14, 15, and 22. Multipoint analyses were consistent with the two-point results for chromosomes 1, 2, 8, 10, and 22 and provided evidence for additional linkage regions on chromosomes 3, 6, 8, 12, 16, and X. Our signals on chromosomes 1q, 6p, and 10q are consistent with some other previously published results. Significant linkage to AMD was found for one marker on chromosome 2, two adjacent markers on chromosome 3, two adjacent markers on chromosome 6, and seven contiguous markers on chromosome 8, with empirical P values of .00001. The consistency of many of the other signals across both two-point and multipoint, as well as parametric and nonparametric, analyses indicate several other regions worthy of follow-up.

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Crossref · 10.1086/378505

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Authors
Seddon, J. M., Santangelo, S. L., Book, K., Chong, S., & Cote, J.
Affiliations
  • Massachusetts Eye and Ear Infirmary (US)
  • Harvard University (US)
Corresponding author
Seddon, Johanna M.
Venue
The American Journal of Human Genetics
Publisher
Elsevier BV
Published
2003-10
Volume
73
Issue
4
Pages
780-790
ISSN
0002-9297 (ISSN-L)
OpenAlex
W2060170269
Cited by
208
References
68
Citations by year
2025: 2 · 2023: 1 · 2022: 4 · 2021: 6 · 2020: 2 · 2019: 5 · 2017: 6 · 2016: 9 · 2015: 7 · 2014: 6 · 2013: 9 · 2012: 14
FWCI
18.54
Type
journal article
Language
en
Open access
Locations
  • The American Journal of Human Genetics (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health
  • National Heart, Lung, and Blood Institute
  • National Eye Institute (U10EY011309, EY11309, R01EY011309)
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 macular degeneration, genetic linkage, multiplex families, short tandem repeat loci, chromosome 8, chromosome 6, chromosome 10, chromosome 2, chromosome 3, neovascular age-related macular degeneration, genetic susceptibility
MeSH terms
Aging, Chromosome Mapping, Female, Genotype, Humans, Macular Degeneration, Male, Models, Genetic, National Institutes of Health (U.S.), Nuclear Family, United States, Reproducibility of Results, Models, Statistical, Genome, Human, Statistics, Nonparametric, Siblings

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