Cited by 28Genetic Associations and EpidemiologyTreatment of Major DepressionNeurotransmitter Receptor Influence on Behavior

Recurrent major depression and right hippocampal volume: A bivariate linkage and association study: Recurrent Depression and Right Hippocampal Volume

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Mathias, Samuel R., Knowles, Emma E. M., Kent, Jack W., McKay, D. Reese, Curran, Joanne E., de Almeida, Marcio A. A., Dyer, Thomas D., Göring, Harald H. H. +6 more·2016·Human Brain Mapping

Abstract

Previous work has shown that the hippocampus is smaller in the brains of individuals suffering from major depressive disorder (MDD) than those of healthy controls. Moreover, right hippocampal volume specifically has been found to predict the probability of subsequent depressive episodes. This study explored the utility of right hippocampal volume as an endophenotype of recurrent MDD (rMDD). We observed a significant genetic correlation between the two traits in a large sample of Mexican American individuals from extended pedigrees (ρg = -0.34, p = 0.013). A bivariate linkage scan revealed a significant pleiotropic quantitative trait locus on chromosome 18p11.31-32 (LOD = 3.61). Bivariate association analysis conducted under the linkage peak revealed a variant (rs574972) within an intron of the gene SMCHD1 meeting the corrected significance level (χ(2) = 19.0, p = 7.4 × 10(-5)). Univariate association analyses of each phenotype separately revealed that the same variant was significant for right hippocampal volume alone, and also revealed a suggestively significant variant (rs12455524) within the gene DLGAP1 for rMDD alone. The results implicate right-hemisphere hippocampal volume as a possible endophenotype of rMDD, and in so doing highlight a potential gene of interest for rMDD risk.

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Authors
Mathias, S. R., Knowles, E. E. M., Kent, J. W., McKay, D. R., Curran, J. E., de Almeida, M. A. A., Dyer, T. D., Göring, H. H. H., Olvera, R. L., Duggirala, R., Fox, P. T., Almasy, L., Blangero, J., & Glahn, D. C.
Affiliations
  • Yale University (US)
  • Texas Biomedical Research Institute (US)
  • The University of Texas at San Antonio Health Science Center (US)
  • South Texas Diabetes and Obesity Institute, University of Texas Health Science Center at San Antonio; Texas
Corresponding author
Mathias, Samuel R.
Venue
Human Brain Mapping
Publisher
Wiley
Published
2015-10-20
Volume
37
Issue
1
Pages
191-202
ISSN
1065-9471 (ISSN-L)
OpenAlex
W2137207059
Cited by
28
References
91
Citations by year
2026: 4 · 2025: 1 · 2024: 3 · 2023: 1 · 2022: 1 · 2021: 3 · 2020: 1 · 2019: 2 · 2018: 5 · 2017: 5 · 2016: 2
FWCI
2.73
Type
journal article
Language
en
Open access
Locations
  • Human Brain Mapping (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • ScholarWorks @ UTRGV (The University of Texas Rio Grande Valley) (submittedVersion)
Funders
National Institute of Mental Health (MH078143, MH078111, MH083824, MH059490)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
  • Health Sciences › Medicine › Pharmacology › Treatment of Major Depression
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
Keywords
recurrent major depressive disorder, endophenotypes, genetic correlation, SMCHD1, DLGAP1, Mexican American families, chromosome 18, hippocampal atrophy
MeSH terms
SAP90-PSD95 Associated Proteins, Adolescent, Adult, Aged, Aged, 80 and over, Chromosomal Proteins, Non-Histone, Major Depressive Disorder, Family Health, Female, Hippocampus, Humans, Image Processing, Computer-Assisted, Functional Laterality, Genetic Linkage, Magnetic Resonance Imaging, Male, Mental Status Schedule, Middle Aged, Mutation, Nerve Tissue Proteins, Recurrence, Mexican Americans, Genetic Predisposition to Disease, Young Adult, Endophenotypes

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