Cloning of a gene bearing missense mutations in early-onset familial Alzheimer's disease
Copyright policy )Cloning of a gene bearing missense mutations in early-onset familial Alzheimer's disease
Some cases of Alzheimer's disease are inherited as an autosomal dominant trait. Genetic linkage studies have mapped a locus (AD3) associated with susceptibility to a very aggressive form of Alzheimer's disease to chromosome 14q24.3. We have defined a minimal cosegregating region containing the AD3 gene, and isolated at least 19 different transcripts encoded within this region. One of these transcripts (S182) corresponds to a novel gene whose product is predicted to contain multiple transmembrane domains and resembles an integral membrane protein. Five different missense mutations have been found that cosegregate with early-onset familial Alzheimer's disease. Because these changes occurred in conserved domains of this gene, and are not present in normal controls, they are likely to be causative of AD3.
- Medical Research Council United Kingdom
- University of Massachusetts Medical School United States
- University of Turin Italy
- Dorset HealthCare University NHS Foundation Trust United Kingdom
- University of Florence Italy
Chromosomes, Human, Pair 14, Male, Base Sequence, Transcription, Genetic, Molecular Sequence Data, Chromosome Mapping, Membrane Proteins, Protein Structure, Secondary, Pedigree, Mice, Open Reading Frames, Alzheimer Disease, Mutation, Presenilin-1, Animals, Humans, Female, Amino Acid Sequence, Cloning, Molecular
Chromosomes, Human, Pair 14, Male, Base Sequence, Transcription, Genetic, Molecular Sequence Data, Chromosome Mapping, Membrane Proteins, Protein Structure, Secondary, Pedigree, Mice, Open Reading Frames, Alzheimer Disease, Mutation, Presenilin-1, Animals, Humans, Female, Amino Acid Sequence, Cloning, Molecular
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