Cited by 94Treatment of Major DepressionNeurotransmitter Receptor Influence on BehaviorTryptophan and brain disorders

Preclinical sex differences in depression and antidepressant response: implications for clinical research

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Kokras, Nikolaos, Dalla, Christina·2017·Journal of Neuroscience Research

Abstract

Women suffer from depression and anxiety disorders more often than men, and as a result they receive antidepressants to a greater extent. Sex differences in antidepressant response in humans have been modestly studied, and results have been controversial. At the same time, preclinical studies on animal models of depression and antidepressant response have provided insights with regard to sex differences that could be useful for the design and interpretation of future clinical trials. This Mini-Review discusses such sex-differentiated findings with regard to the presentation of depression, endophenotypes, and antidepressant response. In particular, men and women differ in symptomatology of depression, and animal models of depression have revealed sex differences in behavioral indices. However, although in experimental studies behavioral indices and models are adjusted to identify sex differences properly, this is not the case in the use of depression rating scales in clinical studies. Accordingly, preclinical studies highlight the importance of sex differences at the baseline behavioral response and the underlying mechanisms that often converge after antidepressant treatment. This is also a neglected issue in human studies. Finally, preclinical research suggests that, in the quest for potential biomarkers for depression, sex should be an important factor to consider. Careful consideration of sex differences in preclinical research could facilitate and ameliorate the design and quality of clinical studies for disease biomarkers and novel fast-acting antidepressants that are so essential for both men and women suffering from depression. © 2016 Wiley Periodicals, Inc.

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  • Neurobiological research in animal models is biased toward males.

    “Neurobiological research in animal models is biased toward males (80).”

    From Psychedelics and Neuroplasticity: A Systematic Review Unraveling the Biological Underpinnings of Psychedelics. (2021) · cites this paper as [80]

    The Significance passage says research often fails to consider gender, and the Presentation of Disease section describes animal-model measures routinely suited to males but not females (page numbers unavailable in our copy). These passages show male-oriented methods in depression research, but they do not establish that neurobiological animal-model research generally uses more males than females. (LLM, conf=0.76)

    Experimental — accuracy not yet measured
  • Women with depression and anxiety are more likely to have increased appetite and weight gain than male counterparts.

    “Women with depression and anxiety are more likely to have increased appetite and weight gain than male counterparts [150], an outcome associated with the effects of stress to stimulate palatable food intake [119].”

    From The menace of obesity to depression and anxiety prevalence (2022) · cites this paper as [150]

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Authors
Kokras, N., & Dalla, C.
Affiliations
National and Kapodistrian University of Athens (GR)
Corresponding author
Dalla, Christina
Venue
Journal of Neuroscience Research
Publisher
Wiley
Published
2016-11-07
Volume
95
Issue
1-2
Pages
731-736
ISSN
  • 0360-4012 (ISSN-L)
  • 1097-4547
OpenAlex
W2550356572
Cited by
94
References
76
Citations by year
2026: 2 · 2025: 6 · 2024: 7 · 2023: 10 · 2022: 10 · 2021: 12 · 2020: 15 · 2019: 12 · 2018: 12 · 2017: 8
FWCI
1.23
Type
journal article
Language
en
Open access
Locations
  • Journal of Neuroscience Research (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • IKYDA 2015
  • NK is supported from an IKY fellowship of excellence for postgraduate studies in Greece - Siemens Program.
Topics
  • Health Sciences › Medicine › Pharmacology › Treatment of Major Depression
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Neuroscience › Biological Psychiatry › Tryptophan and brain disorders
Keywords
sex differences, depression, antidepressant response, animal models of depression, endophenotypes, depressive symptoms, depression rating scales, biomarkers, clinical trial design, women's mental health, rapid-acting antidepressants
MeSH terms
Animals, Antidepressive Agents, Depression, Drug Evaluation, Preclinical, Humans

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