Cited by 116Neurogenesis and neuroplasticity mechanismsStress Responses and CortisolSuicide and Self-Harm Studies

Resilience Is Associated With Larger Dentate Gyrus, While Suicide Decedents With Major Depressive Disorder Have Fewer Granule Neurons

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Boldrini, Maura, Galfalvy, Hanga, Dwork, Andrew J., Rosoklija, Gorazd B., Trencevska-Ivanovska, Iskra, Pavlovski, Goran, Hen, René, Arango, Victoria +1 more·2019·Biological Psychiatry

Abstract

Background Early life adversity (ELA) increases major depressive disorder (MDD) and suicide risk and potentially affects dentate gyrus (DG) plasticity. We reported smaller DG and fewer granular neurons (GNs) in MDD. ELA effects on DG plasticity in suicide decedents with MDD (MDDSui) and resilient subjects (ELA history without MDD or suicide) are unknown. Methods We quantified neural progenitor cells (NPCs), GNs, glia, and DG volume in whole hippocampus postmortem in four groups of drug-free, neuropathology-free subjects (N = 52 total): psychological autopsy-defined MDDSui and control subjects with and without ELA (before 15 years of age). Results ELA was associated with larger DG (p < .0001) and trending fewer NPCs (p = .0190) only in control subjects in whole DG, showing no effect on NPCs and DG volume in MDDSui. ELA exposure was associated with more GNs (p = .0003) and a trend for more glia (p = .0160) in whole DG in MDDSui and control subjects. MDDSui without ELA had fewer anterior and mid DG GNs (p < .0001), fewer anterior DG NPCs (p < .0001), and smaller whole DG volume (p = .0005) compared with control subjects without ELA. In MDDSui, lower Global Assessment Scale score correlated with fewer GNs and smaller DG. Conclusions Resilience to ELA involves a larger DG, perhaps related to more neurogenesis depleting NPCs, and because mature GNs and glia numbers do not differ in the resilient group, perhaps there are effects on process extension and synaptic load that can be examined in future studies. In MDDSui without ELA, smaller DG volume, with fewer GNs and NPCs, suggests less neurogenesis and/or more apoptosis and dendrite changes.

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  1. [87]Kendler KS, Bulik CM, Silberg J, Hettema JM, Myers J, Prescott CA (2000): Childhood sexual abuse and adult psychiatric and substance use disorders in women: An epidemiological and cotwin control analysis. Arch Gen Psychiatry 57: 953– 959. 11015813
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Authors
Boldrini, M., Galfalvy, H., Dwork, A. J., Rosoklija, G. B., Trencevska-Ivanovska, I., Pavlovski, G., Hen, R., Arango, V., & Mann, J. J.
Affiliations
  • Columbia University Irving Medical Center (US)
  • New York State Psychiatric Institute (US)
  • Macedonian Academy of Sciences and Arts (MK)
  • Ss. Cyril and Methodius University in Skopje (MK)
Corresponding author
Boldrini, Maura
Venue
Biological Psychiatry
Publisher
Elsevier BV
Published
2019-05
Volume
85
Issue
10
Pages
850-862
ISSN
0006-3223 (ISSN-L)
OpenAlex
W2910607342
Cited by
116
References
111
Citations by year
2026: 11 · 2025: 14 · 2024: 21 · 2023: 14 · 2022: 22 · 2021: 14 · 2020: 12 · 2019: 7
FWCI
5.18
Type
journal article
Language
en
Open access
Locations
  • Biological Psychiatry (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • American Foundation for Suicide Prevention (SRG-0-129-12)
  • Brain and Behavior Research Foundation (56388)
  • National Institutes of Health (NS090415, MH098786, MH94888, MH090964, MH64168, MH40210, MH83862)
  • New York Stem Cell Foundation
Topics
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Social Sciences › Psychology › Clinical Psychology › Suicide and Self-Harm Studies
Keywords
resilience, childhood adversity, major depressive disorder, suicide, dentate gyrus, granule neurons, neural progenitor cells, hippocampal neurogenesis, glia, postmortem brain, psychological autopsy
MeSH terms
Adverse Childhood Experiences, Adolescent, Adult, Depressive Disorder, Major, Major Depressive Disorder, Female, Humans, Male, Middle Aged, Neuroglia, Neurons, Suicide, Dentate Gyrus, Resilience, Psychological, Young Adult, Neural Stem Cells

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