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dc.contributor.authorSzabo, Attila
dc.contributor.authorAkkouh, Ibrahim
dc.contributor.authorUeland, Thor
dc.contributor.authorLagerberg, Trine Vik
dc.contributor.authorDieset, Ingrid
dc.contributor.authorBjella, Thomas
dc.contributor.authorAukrust, Pål
dc.contributor.authorLe Hellard, Stephanie
dc.contributor.authorStavrum, Anne-Kristin
dc.contributor.authorMelle, Ingrid
dc.contributor.authorAndreassen, Ole Andreas
dc.contributor.authorDjurovic, Srdjan
dc.date.accessioned2021-04-23T13:22:32Z
dc.date.available2021-04-23T13:22:32Z
dc.date.created2020-09-22T23:14:11Z
dc.date.issued2020
dc.identifier.issn1664-0640
dc.identifier.urihttps://hdl.handle.net/11250/2739385
dc.description.abstractThe complex effects of plant cannabinoids on human physiology is not yet fully understood, but include a wide spectrum of effects on immune modulation. The immune system and its inflammatory effector pathways are recently emerging as possible causative factors in psychotic disorders. The present study aimed to investigate whether self-administered Cannabis use was associated with changes in circulating immune and neuroendocrine markers in schizophrenia (SCZ) and bipolar disorder (BD) patients. A screening of 13 plasma markers reflecting different inflammatory pathways was performed in SCZ (n = 401) and BD patients (n = 242) after subdividing each group into Cannabis user and non-user subgroups. We found that i) soluble gp130 (sgp130) concentrations were significantly elevated among Cannabis users in the SCZ group (p = 0.002) after multiple testing correction, but not in BD. ii) Nominally significant differences were observed in the levels of IL-1RA (p = 0.0059), YKL40 (p = 0.0069), CatS (p = 0.013), sTNFR1 (p = 0.031), and BDNF (p = 0.020), where these factors exhibited higher plasma levels in Cannabis user SCZ patients than in non-users. iii) These differences in systemic levels were not reflected by altered mRNA expression of genes encoding sgp130, IL-1RA, YKL40, CatS, sTNFR1, and BDNF in whole blood. Our results show that Cannabis self-administration is associated with markedly higher sgp130 levels in SCZ, but not in BD, and that this phenomenon is independent of the modulation of peripheral immune cells. These findings warrant further investigation into the potential IL-6 trans-signaling modulatory, anti-inflammatory, neuroimmune, and biobehavioral-cognitive effects of Cannabis use in SCZ.en_US
dc.language.isoengen_US
dc.publisherFrontiersen_US
dc.rightsNavngivelse 4.0 Internasjonal*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/deed.no*
dc.titleCannabis Use Is Associated With Increased Levels of Soluble gp130 in Schizophrenia but Not in Bipolar Disorderen_US
dc.typeJournal articleen_US
dc.typePeer revieweden_US
dc.description.versionpublishedVersionen_US
dc.rights.holderCopyright 2020 The Authorsen_US
dc.source.articlenumber642en_US
cristin.ispublishedtrue
cristin.fulltextoriginal
cristin.qualitycode1
dc.identifier.doi10.3389/fpsyt.2020.00642
dc.identifier.cristin1832320
dc.source.journalFrontiers in Psychiatryen_US
dc.source.4011
dc.identifier.citationFrontiers in Psychiatry. 2020, 11:642en_US
dc.source.volume11en_US


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