Cited by 104Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchGenetic Associations and Epidemiology

Sex differences in the genetic predictors of Alzheimer’s pathology

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Dumitrescu, Logan, Barnes, Lisa L, Thambisetty, Madhav, Beecham, Gary, Kunkle, Brian, Bush, William S, Gifford, Katherine A, Chibnik, Lori B +31 more·2019·Brain

Abstract

Autopsy measures of Alzheimer's disease neuropathology have been leveraged as endophenotypes in previous genome-wide association studies (GWAS). However, despite evidence of sex differences in Alzheimer's disease risk, sex-stratified models have not been incorporated into previous GWAS analyses. We looked for sex-specific genetic associations with Alzheimer's disease endophenotypes from six brain bank data repositories. The pooled dataset included 2701 males and 3275 females, the majority of whom were diagnosed with Alzheimer's disease at autopsy (70%). Sex-stratified GWAS were performed within each dataset and then meta-analysed. Loci that reached genome-wide significance (P < 5 × 10-8) in stratified models were further assessed for sex interactions. Additional analyses were performed in independent datasets leveraging cognitive, neuroimaging and CSF endophenotypes, along with age-at-onset data. Outside of the APOE region, one locus on chromosome 7 (rs34331204) showed a sex-specific association with neurofibrillary tangles among males (P = 2.5 × 10-8) but not females (P = 0.85, sex-interaction P = 2.9 × 10-4). In follow-up analyses, rs34331204 was also associated with hippocampal volume, executive function, and age-at-onset only among males. These results implicate a novel locus that confers male-specific protection from tau pathology and highlight the value of assessing genetic associations in a sex-specific manner.

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  • Limited findings from genome-wide and transcriptome-wide association studies in AD suggest that sample size is a critical consideration when examining sex interactions.

    “Limited findings from genome‐wide 86 and transcriptome‐wide 18 , 22 association studies in AD also suggest that the sample size is a critical consideration when examining sex interactions.”

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Authors
Dumitrescu, L., Barnes, L. L., Thambisetty, M., Beecham, G., Kunkle, B., Bush, W. S., Gifford, K. A., Chibnik, L. B., Mukherjee, S., De Jager, P. L., Kukull, W., Crane, P. K., Resnick, S. M., Keene, C. D., Montine, T. J., Schellenberg, G. D., Deming, Y., Chao, M. J., Huentelman, M., Martin, E. R., Hamilton-Nelson, K., Shaw, L. M., Trojanowski, J. Q., Peskind, E. R., Cruchaga, C., Pericak-Vance, M. A., Goate, A. M., Cox, N. J., Haines, J. L., Zetterberg, H., Blennow, K., Larson, E. B., Johnson, S. C., Albert, M., for the Alzheimer’s Disease Genetics Consortium and the Alzheimer’s Disease Neuroimaging Initiative, Bennett, D. A., Schneider, J. A., Jefferson, A. L., & Hohman, T. J.
Affiliations
  • Vanderbilt University (US)
  • Rush University Medical Center (US)
  • National Institute on Aging (US)
  • University of Miami (US)
  • Case Western Reserve University (US)
  • Vanderbilt University Medical Center (US)
  • Brigham and Women's Hospital (US)
  • University of Washington (US)
  • Center for Translational and Computational Neuroimmunology, Department of Neurology, Columbia University Medical Center, New York, NY, USA
  • Stanford Medicine (US)
  • University of Pennsylvania (US)
  • Washington University in St. Louis (US)
  • Icahn School of Medicine at Mount Sinai (US)
  • Neurogenomics Division, Translational Genomics Research Institute, Phoenix, AZ, USA
  • John P. Hussman Institute for Human Genomics, University of Miami School of Medicine, Miami, FL, USA
  • Sahlgrenska University Hospital (SE)
  • Kaiser Permanente Washington Health Research Institute (US)
  • University of Wisconsin–Madison (US)
  • Johns Hopkins University (US)
Corresponding author
Hohman, Timothy J
Venue
Brain
Published
2019-07-20
Volume
142
Issue
9
Pages
2581-2589
ISSN
  • 0006-8950 (ISSN-L)
  • 1460-2156
OpenAlex
W2963306242
Cited by
93
References
30
Citations by year
2026: 7 · 2025: 16 · 2024: 9 · 2023: 14 · 2022: 11 · 2021: 24 · 2020: 11 · 2019: 1
FWCI
9.94
Type
journal article
Language
en
Open access
Locations
  • Brain (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • UCL Discovery (University College London) (submittedVersion)
Funders
  • Alzheimer’s Association (NIRG-11–200110, K01 AG049164, R21 AG05994, K12 HD043483, K24 AG046373, HHSN311201600276P, S10 OD023680, R01 AG034962, R01 HL111516, R01 NS100980, R01 AG056534, P30 AG10161, RF1 AG15819, R01 AG17917, R01 AG30146, R01 AG019085, R01 AG15819, R01 AG027161, R01 AG021155, R01 AG037639, U01 AG46152, U01 AG006781, U01 AG032984, U01 HG004610, U01 HG006375, U24 AG021886, U24 AG041689, R01 AG044546, P01 AG003991, RF1 AG053303, R01 AG035083, R01 NS085419, UL1 TR000445, KL2 TR000446, TL1 TR000447)
  • Intramural Research Program
  • NIA
  • NIH (U01 AG016976)
  • Vanderbilt Memory & Alzheimer’s Center
  • NIMH (T32MH014877, R01 AG048015)
  • Swedish and European Research Councils
  • UK Dementia Research Institute
  • Royal Swedish Academy of Sciences
  • NACC (P30 AG019610)
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
Alzheimer's disease, sex differences, endophenotypes, neurofibrillary tangles, tau pathology, hippocampal volume, executive function, age of onset, apolipoprotein E, sex interaction, brain banks
MeSH terms
Aged, Aged, 80 and over, Alzheimer Disease, Female, Humans, Male, Sex Characteristics, Cohort Studies, Amyloid beta-Peptides, tau Proteins, Genetic Predisposition to Disease, Polymorphism, Single Nucleotide, Genome-Wide Association Study

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