Genetic variation in PCDH11X is associated with susceptibility to late-onset Alzheimer’s disease
Open accessAbstract
By analyzing late-onset Alzheimer's disease (LOAD) in a genome-wide association study (313,504 SNPs, three series, 844 cases and 1,255 controls) and evaluating the 25 SNPs with the most significant allelic association in four additional series (1,547 cases and 1,209 controls), we identified a SNP (rs5984894) on Xq21.3 in PCDH11X that is strongly associated with LOAD in individuals of European descent from the United States. Analysis of rs5984894 by multivariable logistic regression adjusted for sex gave global P values of 5.7 x 10(-5) in stage 1, 4.8 x 10(-6) in stage 2 and 3.9 x 10(-12) in the combined data. Odds ratios were 1.75 (95% CI = 1.42-2.16) for female homozygotes (P = 2.0 x 10(-7)) and 1.26 (95% CI = 1.05-1.51) for female heterozygotes (P = 0.01) compared to female noncarriers. For male hemizygotes (P = 0.07) compared to male noncarriers, the odds ratio was 1.18 (95% CI = 0.99-1.41).
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Prior genome-wide association studies of AD all identified strong evidence for association to APOE but less convincing evidence implicating other genes.
“All have identified strong evidence for association to APOE, but less convincing evidence implicating other genes2 -9 .”
From Genome-wide association study identifies variants at CLU and PICALM associated with Alzheimer's disease (2009) · cites this paper as [5]
The paper reports that only APOE-linked SNPs reached genome-wide significance in its stage I GWAS (Methods, Statistical Analyses; page unavailable), supporting the APOE portion. It does not establish that all prior AD GWAS had this pattern, and its combined-stage analysis reports a genome-wide-significant association for a PCDH11X SNP. (LLM, conf=0.83)
Experimental — accuracy not yet measuredSeven of the earliest GWAS, each of which used less than 2,000 cases, identified only APOE as significantly associated with Alzheimer's disease.
“seven of the earliest GWAS, each of which used less than 2,000 cases, identified only APOE as significantly associated with AD [84–90].”
From Genetic architecture of Alzheimer's disease (2020) · cites this paper as [85]
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“Multiple rare mutations in the genes encoding the amyloid β protein precursor, presenilin 1 and presenilin 2 cause an early-onset familial form of Alzheimer's disease with autosomal dominant inheritance, but the only well established susceptibility allele for LOAD is the APOE e4 allel”
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- Authors
- Carrasquillo, M. M., Zou, F., Pankratz, V. S., Wilcox, S. L., Ma, L., Walker, L. P., Younkin, S. G., Younkin, C. S., Younkin, L. H., Bisceglio, G. D., Ertekin-Taner, N., Crook, J. E., Dickson, D. W., Petersen, R. C., Graff-Radford, N. R., & Younkin, S. G.
- Affiliations
- Mayo Clinic (US)
- Corresponding author
- Younkin, Samuel G
- Younkin, Steven G
- ORCID
- Venue
- Nature Genetics
- Published
- 2009-01-11
- Volume
- 41
- Issue
- 2
- Pages
- 192-198
- ISSN
- 1061-4036 (ISSN-L)
- 1546-1718
- PMC
- PMC2873177
- OpenAlex
- W2033552121
- Cited by
- 296
- References
- 18
- Citations by year
- 2026: 1 · 2025: 4 · 2024: 8 · 2023: 9 · 2022: 10 · 2021: 11 · 2020: 13 · 2019: 10 · 2018: 8 · 2017: 13 · 2016: 14 · 2015: 15 · 2014: 15 · 2013: 17 · 2012: 25
- FWCI
- 32.69
- Type
- journal article
- Language
- en
- Open access
- green
- www.ncbi.nlm.nih.gov
- Locations
- Nature Genetics (publishedVersion)
- PubMed (publishedVersion)
- PubMed Central (acceptedVersion)
- Institutional Repositories DataBase (IRDB) (submittedVersion, cc-by-nc-nd)
- Hirosaki University Repository for Academic Resources (Hirosaki University) (submittedVersion, cc-by-nc-nd)
- Funders
- National Institute on Aging (U01 AG 06576, P50‐AG16574, AG03949, R01AG018023, U01AG006786, P01AG003949, AG 25711, R01-AG18023, AG12716, U24 AG21886, P50AG025711, P01AG017216, F32AG020903, U24AG021886, P50AG016574)
- 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
- late-onset Alzheimer's disease, protocadherins, X chromosome, genetic susceptibility, single nucleotide polymorphisms, sex differences, hemizygosity, European ancestry
- MeSH terms
- Protocadherins, Aged, Aged, 80 and over, Alzheimer Disease, Female, Gene Frequency, Heterozygote, Humans, Male, Middle Aged, Genetic Variation, Linkage Disequilibrium, Cadherins, Case-Control Studies, Age of Onset, Genetic Predisposition to Disease, Polymorphism, Single Nucleotide, Genome-Wide Association Study
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