Cited by 4,659Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchGenetic Associations and Epidemiology

Segregation of a missense mutation in the amyloid precursor protein gene with familial Alzheimer's disease

Goate, Alison, Chartier-Harlin, Marie-Christine, Mullan, Mike, Brown, Jeremy, Crawford, Fiona, Fidani, Liana, Giuffra, Luis, Haynes, Andrew +13 more·1991·Nature

Abstract

A locus segregating with familial Alzheimer's disease (AD) has been mapped to chromosome 21, close to the amyloid precursor protein (APP) gene. Recombinants between the APP gene and the AD locus have been reported which seemed to exclude it as the site of the mutation causing familial AD. But recent genetic analysis of a large number of AD families has demonstrated that the disease is heterogeneous. Families with late-onset AD do not show linkage to chromosome 21 markers. Some families with early-onset AD show linkage to chromosome 21 markers, but some do not. This has led to the suggestion that there is non-allelic genetic heterogeneity even within early onset familial AD. To avoid the problems that heterogeneity poses for genetic analysis, we have examined the cosegregation of AD and markers along the long arm of chromosome 21 in a single family with AD confirmed by autopsy. Here we demonstrate that in this kindred, which shows linkage to chromosome 21 markers, there is a point mutation in the APP gene. This mutation causes an amino-acid substitution (Val----Ile) close to the carboxy terminus of the beta-amyloid peptide. Screening other cases of familial AD revealed a second unrelated family in which this variant occurs. This suggests that some cases of AD could be caused by mutations in the APP gene.

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Crossref · 10.1038/349704a0

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Authors
Goate, A., Chartier-Harlin, M.-C., Mullan, M., Brown, J., Crawford, F., Fidani, L., Giuffra, L., Haynes, A., Irving, N., James, L., Mant, R., Newton, P., Rooke, K., Roques, P., Talbot, C., Pericak-Vance, M., Roses, A., Williamson, R., Rossor, M., Owen, M., & Hardy, J.
Affiliations
  • St Mary's Hospital (GB)
  • Yale University (US)
  • University of Wales (GB)
  • Duke Medical Center (US)
Venue
Nature
Published
1991-02-21
Volume
349
Issue
6311
Pages
704-706
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2058723245
Cited by
4,659
References
30
Citations by year
2026: 62 · 2025: 85 · 2024: 111 · 2023: 88 · 2022: 112 · 2021: 130 · 2020: 149 · 2019: 115 · 2018: 112 · 2017: 130 · 2016: 160 · 2015: 131 · 2014: 129 · 2013: 166 · 2012: 135
FWCI
153.93
Type
journal article
Language
en
Open access
closed
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • UCL Discovery (University College London) (submittedVersion)
  • ORCA Online Research @Cardiff (Cardiff University) (submittedVersion)
Funders
  • Wellcome Trust
  • National Institute on Aging (AG05 128, P50AG005128)
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
Keywords
familial Alzheimer's disease, amyloid precursor protein gene, APP gene mutations, missense mutations, genetic heterogeneity, co-segregation, early-onset Alzheimer's disease, late-onset Alzheimer's disease, beta-amyloid peptide
MeSH terms
Alzheimer Disease, Amino Acid Sequence, Base Sequence, Chromosomes, Human, Pair 21, Exons, Genetic Testing, Genotype, Humans, Genetic Linkage, Molecular Sequence Data, Mutation, Pedigree, Protein Precursors, Polymorphism, Restriction Fragment Length, Polymerase Chain Reaction, Amyloid beta-Peptides, Amyloid beta-Protein Precursor

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