Cited by 108Adenosine and Purinergic SignalingStress Responses and CortisolNeurotransmitter Receptor Influence on Behavior

The absence of P2X7 receptors (P2rx7) on non-haematopoietic cells leads to selective alteration in mood-related behaviour with dysregulated gene expression and stress reactivity in mice

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Csölle, Cecilia, Andó, Rómeó D., Kittel, Ágnes, Gölöncsér, Flóra, Baranyi, Mária, Soproni, Krisztina, Zelena, Dóra, Haller, József +3 more·2013·International Journal of Neuropsychopharmacology

Abstract

The purpose of this study was to explore how genetic deletion and pharmacological antagonism of the P2X7 receptor (P2rx7) alter mood-related behaviour, gene expression and stress reactivity in the brain. The forced swim test (FST), tail suspension test (TST) and amphetamine-induced hyperlocomotion (AH) tests were used in wild-type (P2rx7+/+) and P2rx7-deficient (P2rx7−/−) mice. Biogenic amine levels were analysed in the amygdala and striatum, adrenocorticotropic hormone (ACTH) and corticosterone levels were measured in the plasma and pituitary after restraint stress. Chimeric mice were generated by bone marrow transplantation. A whole genome microarray analysis with real-time polymerase chain reaction validation was performed on the amygdala. In the absence of P2rx7s decreased behavioural despair in the FST, reduced immobility in the TST and attenuated amphetamine-induced hyperactivity were detected. Basal norepinephrine levels were elevated in the amygdala, whereas stress-induced ACTH and corticosterone responses were alleviated in P2rx7−/− mice. Sub-acute treatment with the selective P2rx7 antagonist, Brilliant Blue G, reproduced the effect of genetic deletion in the TST and AH test in P2rx7+/+ but not P2rx7−/− mice. No change in behavioural phenotype was observed in chimeras lacking the P2rx7 in their haematopoietic compartment. Whole genome microarray analysis indicated a widespread up- and down-regulation of genes crucial for synaptic function and neuroplasticity by genetic deletion. Here, we present evidence that the absence of P2rx7s on non-haematopoietic cells leads to a mood-stabilizing phenotype in several behavioural models and suggest a therapeutic potential of P2rx7 antagonists for the treatment of mood disorders.

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Crossref · 10.1017/s1461145711001933

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  • Gene knockout or pharmacological inhibition of P2X7 receptors induced antidepressant-like behavior in mice exposed to stress, accompanied by HPA axis restoration.

    “Noteworthy, gene knockout or pharmacological inhibition of P2X7 receptors induced antidepressant-like behavior in mice exposed to stress, accompanied by HPA axis restoration [163, 164].”
  • Treatment with P2X7R antagonists induces antidepressant-like effects in various animal models.

    “Evidence from pharmacological studies have further corroborated this hypothesis, since treatment with P2X7R antagonists induce antidepressant-like effects in various animal models.”

    From P2X7 Receptor Signaling in Stress and Depression (2019) · cites this paper as [85]

  • Data from P2X7R knockout mice indicate that absence of the P2X7R results in increased resilience to stress and a phenotype showing less depression-like characteristics.

    “Altogether, data from P2X7R KO mice indicates that absence of the P2X7R results in increased resilience to stress, and a phenotype showing less depression-like characteristics.”

    From P2X7 Receptor Signaling in Stress and Depression (2019) · cites this paper as [85]

  • P2X7R knockout mice present reduced immobility time in both the forced swim test and the tail suspension test.

    “Additional studies further corroborated these initial findings, with observations that P2X7R KO mice presents reduced immobility time in both the FST [85] and the TST [20,85].”

    From P2X7 Receptor Signaling in Stress and Depression (2019) · cites this paper as [85]

  • Both pharmacological and genetic evidence strongly suggest that P2X7R stimulation during stress increases vulnerability and subsequent development of behavioral adversities associated with the neurobiology of depression.

    “Altogether, both pharmacological and genetic evidence strongly suggest that P2X7R stimulation during stress increase the vulnerability and subsequent development of behavioral adversities associated with the neurobiology of depression (Table 2).”

    From P2X7 Receptor Signaling in Stress and Depression (2019) · cites this paper as [85]

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Authors
Csölle, C., Andó, R. D., Kittel, Á., Gölöncsér, F., Baranyi, M., Soproni, K., Zelena, D., Haller, J., Németh, T., Mócsai, A., & Sperlágh, B.
Affiliations
  • Laboratory of Molecular Pharmacology, Institute of Experimental Medicine, Hungarian Academy of Sciences (IEM HAS), Budapest, Hungary
  • HUN-REN Institute of Experimental Medicine (HU)
  • Semmelweis University (HU)
Corresponding author
Sperlágh, Beáta
Venue
International Journal of Neuropsychopharmacology
Published
2013-02-01
Volume
16
Issue
1
Pages
213-233
ISSN
  • 1461-1457 (ISSN-L)
  • 1469-5111
OpenAlex
W2102853311
Cited by
108
References
80
Citations by year
2026: 4 · 2025: 5 · 2024: 7 · 2023: 4 · 2022: 9 · 2021: 9 · 2020: 5 · 2019: 13 · 2018: 13 · 2017: 7 · 2016: 6 · 2015: 8 · 2014: 11 · 2013: 4 · 2012: 2
FWCI
5.84
Type
journal article
Language
en
Open access
Licence
cc-by-nc-sa
Locations
  • The International Journal of Neuropsychopharmacology (publishedVersion, cc-by-nc-sa)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by-nc-sa)
  • PubMed Central (publishedVersion, cc-by-nc-sa)
  • PubMed (publishedVersion)
  • Repository of the Academy's Library (Library of the Hungarian Academy of Sciences) (acceptedVersion)
  • Semmelweis University Repository (Semmelweis University) (submittedVersion)
Funders
Wellcome Trust (087782)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Physiology › Adenosine and Purinergic Signaling
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
Keywords
P2X7 receptor, depression-like behavior, anxiety-like behavior, stress reactivity, Brilliant Blue G, P2X7 antagonists, norepinephrine, amygdala, striatum, ACTH, corticosterone, hematopoietic cells, gene expression, synaptic function, neuroplasticity, mood disorders
MeSH terms
Affect, Amygdala, Animals, Depression, Gene Expression Regulation, Male, Mice, Inbred C57BL, Stress, Psychological, Swimming, Microglia, Mice, Knockout, Mice, Receptors, Purinergic P2X7

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