Cited by 143Tryptophan and brain disordersTreatment of Major DepressionStress Responses and Cortisol

Chronic administration of Infliximab (TNF-α Inhibitor) decreases depression and anxiety-like behaviour in rat model of chronic mild stress

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Karson, Ayşe, Demirtaş, Tuğçe, Bayramgürler, Dilek, Balcı, Fuat, Utkan, Tijen·2013·Basic & Clinical Pharmacology & Toxicology

Abstract

Pro‐inflammatory cytokines have been proposed to be associated with the pathogenesis of depression. Consistent with this notion, several clinical observations have suggested the antidepressant efficacy of TNF‐α inhibitors in patients with chronic inflammatory diseases. In this study, we evaluated the antidepressant and anxiolytic effects of chronic TNF‐α inhibitor (infliximab, 5 mg/kg, i.p., weekly) administration in the chronic mild stress (CMS) model of depression. Rats were divided into three groups: saline‐control (no stress), saline‐CMS, and infliximab‐CMS. Rats in the latter two groups were exposed to CMS for 8 weeks. Saline (former two groups) or infliximab was injected weekly during this period. After CMS, total locomotor activity, anxiety‐like behaviour and depression‐like behaviours were evaluated using automated locomotor activity cage, elevated plus maze (EPM), and sucrose preference (SPT) and forced swimming (FS) tests, respectively. As expected, the saline‐CMS group exhibited higher depression‐like behaviours in FS and SPT tests compared with the saline‐control group. There were no differences between these two groups in terms of the anxiety‐like behaviour or total locomotor activity. Infliximab reduced the depression‐like behaviour of CMS rats compared with saline‐CMS group, and anxiety‐like behaviour of CMS rats compared with saline‐CMS and saline‐control groups. Our findings suggest that chronic and systemic TNF‐α inhibition reduced depression and anxiety‐like behaviour in the CMS model of depression in rats.

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  • Infliximab reduced depression and anxiety-like behavior in mildly stressed rats compared with controls and saline administration.

    “a study that demonstrated similar effects of Infliximab on mildly stressed rats including decreased depression and anxiety-like behavior when compared to controls and saline administration (Karson et al., 2013).”

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  1. Krishnadas R, Cavanagh J. Depression: an inflammatory illness? J Neurol Neurosurg Psychiatry 2012;83:495-502.

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Authors
Karson, A., Demirtaş, T., Bayramgürler, D., Balcı, F., & Utkan, T.
Affiliations
  • Kocaeli Üniversitesi (TR)
  • Department of Pharmacology Medical School, Kocaeli University Kocaeli Turkey
  • Koç University (TR)
Corresponding author
Karson, Ayşe
Venue
Basic & Clinical Pharmacology & Toxicology
Publisher
Wiley
Published
2013-01-19
Volume
112
Issue
5
Pages
335-340
ISSN
  • 1742-7835 (ISSN-L)
  • 1742-7843
OpenAlex
W2109172889
Cited by
143
References
52
Citations by year
2026: 6 · 2025: 5 · 2024: 9 · 2023: 8 · 2022: 10 · 2021: 20 · 2020: 16 · 2019: 13 · 2018: 7 · 2017: 7 · 2016: 18 · 2015: 8 · 2014: 9 · 2013: 7
FWCI
4.74
Type
journal article
Language
en
Open access
Locations
  • Basic & Clinical Pharmacology & Toxicology (publishedVersion)
  • PubMed (publishedVersion)
  • Kocaeli Üniversitesi - AVESİS (submittedVersion)
Topics
  • Life Sciences › Neuroscience › Biological Psychiatry › Tryptophan and brain disorders
  • Health Sciences › Medicine › Pharmacology › Treatment of Major Depression
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
Keywords
infliximab, anti-TNF therapy, depression, anxiety-like behavior, chronic mild stress, antidepressant effects, anxiolytic effects, inflammatory cytokines, chronic inflammation, forced swim test, sucrose preference test, elevated plus maze, locomotor activity
MeSH terms
Infliximab, Animals, Anti-Inflammatory Agents, Non-Steroidal, Antibodies, Monoclonal, Anxiety, Behavior, Animal, Chronic Disease, Depression, Disease Models, Animal, Food Preferences, Male, Motor Activity, Stress, Physiological, Sucrose, Swimming, Rats, Wistar, Maze Learning, Rats

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