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Hidese S. Search for cerebrospinal fluid biomarkers in patients with major psychiatric disorders: Multiplex immunoassay findings and proximity extension assay prospects. Neuropsychopharmacol Rep 2024. [PMID: 38686540 DOI: 10.1002/npr2.12439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Revised: 03/05/2024] [Accepted: 03/24/2024] [Indexed: 05/02/2024] Open
Abstract
Multiplex immunoassays have been developed to detect multiple proteins simultaneously and are used to search for biomarkers, including those present in major psychiatric disorders. This study aimed to review multiplex immunoassay studies on cerebrospinal fluid (CSF) biomarkers in patients with schizophrenia, bipolar disorder (BD), and major depressive disorder (MDD) and examine future research directions using improved proteomic techniques. According to the results of previous multiplex immunoassay studies, increased CSF IFN-β, IL-8, MCP-2, MMP-2, PAI-1, sICAM-1, and sVCAM-1 and decreased CSF ACE, APP, fibrinogen, and GDNF were observed in patients with schizophrenia, while CSF HGF and S100B were positively correlated with psychotic symptom and CSF IL-11, IL-29/IFN-λ1, and TSLP were negatively correlated. Increased CSF IFN-β and IL-1β and decreased CSF Aβ42, APP, IL-6, and NCAM-1 were observed, while CSF S100B was positively correlated with manic symptom in patients with BD. Increased CSF IL-4, MCP-1, MIP-1β, and MMP-2 were observed in patients with MDD, while CSF HGF and MMP-2 were positively correlated with depressive symptom and CSF IL-15 and MCP-1 were negatively correlated. However, signal cross-talk and cross-reactivity problems have been observed in previous studies using multiplex immunoassay. The proximity extension assay can be used to overcome cross-reactivity and enable ultrasensitive multiplexed detection and quantification of more than 1000 target proteins. However, proteomic studies using proximity extension assay technology in patients with schizophrenia, BD, or MDD are still scarce. Therefore, future high-quality proteomic studies are required to identify CSF biomarkers for larger sets of target proteins in patients with major psychiatric disorders.
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Affiliation(s)
- Shinsuke Hidese
- Department of Psychiatry, Teikyo University School of Medicine, Tokyo, Japan
- Department of Mental Disorder Research, National Center of Neurology and Psychiatry, National Institute of Neuroscience, Kodaira, Tokyo, Japan
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Campana M, Yakimov V, Moussiopoulou J, Maurus I, Löhrs L, Raabe F, Jäger I, Mortazavi M, Benros ME, Jeppesen R, Meyer Zu Hörste G, Heming M, Giné-Servén E, Labad J, Boix E, Lennox B, Yeeles K, Steiner J, Meyer-Lotz G, Dobrowolny H, Malchow B, Hansen N, Falkai P, Siafis S, Leucht S, Halstead S, Warren N, Siskind D, Strube W, Hasan A, Wagner E. Association of symptom severity and cerebrospinal fluid alterations in recent onset psychosis in schizophrenia-spectrum disorders - An individual patient data meta-analysis. Brain Behav Immun 2024; 119:353-362. [PMID: 38608742 DOI: 10.1016/j.bbi.2024.04.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2024] [Revised: 04/03/2024] [Accepted: 04/09/2024] [Indexed: 04/14/2024] Open
Abstract
Neuroinflammation and blood-cerebrospinal fluid barrier (BCB) disruption could be key elements in schizophrenia-spectrum disorderś(SSDs) etiology and symptom modulation. We present the largest two-stage individual patient data (IPD) meta-analysis, investigating the association of BCB disruption and cerebrospinal fluid (CSF) alterations with symptom severity in first-episode psychosis (FEP) and recent onset psychotic disorder (ROP) individuals, with a focus on sex-related differences. Data was collected from PubMed and EMBASE databases. FEP, ROP and high-risk syndromes for psychosis IPD were included if routine basic CSF-diagnostics were reported. Risk of bias of the included studies was evaluated. Random-effects meta-analyses and mixed-effects linear regression models were employed to assess the impact of BCB alterations on symptom severity. Published (6 studies) and unpublished IPD from n = 531 individuals was included in the analyses. CSF was altered in 38.8 % of individuals. No significant differences in symptom severity were found between individuals with and without CSF alterations (SMD = -0.17, 95 %CI -0.55-0.22, p = 0.341). However, males with elevated CSF/serum albumin ratios or any CSF alteration had significantly higher positive symptom scores than those without alterations (SMD = 0.34, 95 %CI 0.05-0.64, p = 0.037 and SMD = 0.29, 95 %CI 0.17-0.41p = 0.005, respectively). Mixed-effects and simple regression models showed no association (p > 0.1) between CSF parameters and symptomatic outcomes. No interaction between sex and CSF parameters was found (p > 0.1). BCB disruption appears highly prevalent in early psychosis and could be involved in positive symptomś severity in males, indicating potential difficult-to-treat states. This work highlights the need for considering BCB breakdownand sex-related differences in SSDs clinical trials and treatment strategies.
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Affiliation(s)
- Mattia Campana
- Department of Psychiatry and Psychotherapy, LMU University Hospital, Nussbaumstraße 7, D-80336 Munich, Germany.
| | - Vladislav Yakimov
- Department of Psychiatry and Psychotherapy, LMU University Hospital, Nussbaumstraße 7, D-80336 Munich, Germany
| | - Joanna Moussiopoulou
- Department of Psychiatry and Psychotherapy, LMU University Hospital, Nussbaumstraße 7, D-80336 Munich, Germany
| | - Isabel Maurus
- Department of Psychiatry and Psychotherapy, LMU University Hospital, Nussbaumstraße 7, D-80336 Munich, Germany
| | - Lisa Löhrs
- Department of Psychiatry and Psychotherapy, LMU University Hospital, Nussbaumstraße 7, D-80336 Munich, Germany
| | - Florian Raabe
- Department of Psychiatry and Psychotherapy, LMU University Hospital, Nussbaumstraße 7, D-80336 Munich, Germany; Max Planck Institute of Psychiatry, Munich, Germany
| | - Iris Jäger
- Department of Psychiatry and Psychotherapy, LMU University Hospital, Nussbaumstraße 7, D-80336 Munich, Germany
| | - Matin Mortazavi
- Department of Psychiatry, Psychotherapy and Psychosomatics, Medical Faculty, University of Augsburg, BKH Augsburg, Augsburg, Germany
| | - Michael E Benros
- Copenhagen Research Centre for Biological and Precision Psychiatry. Mental Health Centre Copenhagen, Copenhagen University Hospital, Copenhagen, Denmark
| | - Rose Jeppesen
- Copenhagen Research Centre for Biological and Precision Psychiatry. Mental Health Centre Copenhagen, Copenhagen University Hospital, Copenhagen, Denmark
| | - Gerd Meyer Zu Hörste
- Department of Neurology with Institute of Translational Neurology, University Hospital Münster, Münster, Germany
| | - Michael Heming
- Department of Neurology with Institute of Translational Neurology, University Hospital Münster, Münster, Germany
| | - Eloi Giné-Servén
- Department of Psychiatry, Hospital Universitario de Navarra, Pamplona, Spain; IdiSNA, Navarra Institute for Health Research, Pamplona, Spain
| | - Javier Labad
- Department of Mental Health, Hospital de Mataró, Consorci Sanitari del Maresme, Mataró, Spain; Translational Neuroscience Research Unit I3PT-INc-UAB, Institut de Innovació i Investigació Parc Taulí (I3PT), Institut de Neurociències, Universitat Autònoma de Barcelona, Spain
| | - Ester Boix
- Department of Mental Health, Hospital de Mataró, Consorci Sanitari del Maresme, Mataró, Spain
| | - Belinda Lennox
- Department of Psychiatry, University of Oxford and Oxford Health NHS Foundation Trust, Oxford, UK
| | - Ksenija Yeeles
- Department of Psychiatry, University of Oxford and Oxford Health NHS Foundation Trust, Oxford, UK
| | - Johann Steiner
- Department of Psychiatry, Magdeburg University Hospital, Magdeburg, Germany
| | | | - Henrik Dobrowolny
- Department of Psychiatry, Magdeburg University Hospital, Magdeburg, Germany
| | - Berend Malchow
- Department of Psychiatry and Psychotherapy, University Medical Center Göttingen, Göttingen, Germany
| | - Niels Hansen
- Department of Psychiatry and Psychotherapy, University Medical Center Göttingen, Göttingen, Germany
| | - Peter Falkai
- Department of Psychiatry and Psychotherapy, LMU University Hospital, Nussbaumstraße 7, D-80336 Munich, Germany; Max Planck Institute of Psychiatry, Munich, Germany; DZPG (German Center for Mental Health), partner site München/Augsburg, Germany
| | - Spyridon Siafis
- Department of Psychiatry and Psychotherapy, School of Medicine, Technical University Munich, Munich, Germany
| | - Stefan Leucht
- Department of Psychiatry and Psychotherapy, School of Medicine, Technical University Munich, Munich, Germany
| | - Sean Halstead
- Department of Psychiatry, School of Medicine, University of Queensland, Brisbane, Australia
| | - Nicola Warren
- Department of Psychiatry, School of Medicine, University of Queensland, Brisbane, Australia
| | - Dan Siskind
- Department of Psychiatry, School of Medicine, University of Queensland, Brisbane, Australia
| | - Wolfgang Strube
- Department of Psychiatry, Psychotherapy and Psychosomatics, Medical Faculty, University of Augsburg, BKH Augsburg, Augsburg, Germany
| | - Alkomiet Hasan
- Department of Psychiatry, Psychotherapy and Psychosomatics, Medical Faculty, University of Augsburg, BKH Augsburg, Augsburg, Germany; DZPG (German Center for Mental Health), partner site München/Augsburg, Germany
| | - Elias Wagner
- Department of Psychiatry and Psychotherapy, LMU University Hospital, Nussbaumstraße 7, D-80336 Munich, Germany; Department of Psychiatry, Psychotherapy and Psychosomatics, Medical Faculty, University of Augsburg, BKH Augsburg, Augsburg, Germany; Evidence-based Psychiatry and Psychotherapy, Faculty of Medicine, University of Augsburg, Augsburg, Germany
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Jeppesen R, Borbye-Lorenzen N, Christensen RHB, Sørensen NV, Köhler-Forsberg O, Skogstrand K, Benros ME. Levels of cytokines in the cerebrospinal fluid of patients with psychotic disorders compared to individually matched healthy controls. Brain Behav Immun 2024; 117:167-174. [PMID: 38160934 DOI: 10.1016/j.bbi.2023.12.035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 09/17/2023] [Accepted: 12/23/2023] [Indexed: 01/03/2024] Open
Abstract
BACKGROUND Increased peripheral cytokine levels have been observed in patients with psychotic disorders; however, large high-quality studies with individually matched healthy controls have been lacking regarding cytokines in cerebrospinal fluid (CSF) of individuals with psychotic disorders. METHODS Patients diagnosed with a non-organic, non-affective psychotic disorder (ICD-10: F20/22-29) within a year prior to inclusion and individually age- and sex-matched healthy controls were included by identical in- and exclusion criteria's except for the psychiatric diagnoses. All participants were aged 18-50 years and individuals with neurological or immunological disorders were excluded. CSF cytokines were analyzed with MesoScale V-PLEX neuroinflammation panel. Co-primary outcomes were CSF interleukin-6 (IL-6) and IL-8. RESULTS We included 104 patients and 104 healthy controls, matching on age, sex and BMI. No significant differences were found for the primary outcomes IL-6 (relative mean difference (MD): 0.97, 95 %CI: 0.84-1.11, p = 0.637) or IL-8 (MD: 1.01, 95 %CI: 0.93-1.09, p = 0.895). Secondary analyses found patients to have higher IL-4 (MD: 1.30, 95 %CI: 1.04-1.61, p = 0.018), a trend towards higher IFN-γ (MD: 1.26, 95 %CI: 0.99-1.59, p = 0.056), and lower IL-16 (MD: 0.83, 95 %CI: 0.74-0.94, p = 0.004) than healthy controls, though not significant after correction for multiple testing. IL-8 and IL-16 were found positively associated with CSF white blood cells and CSF/serum albumin ratio. The study was limited by 77.9 % of the patients being on antipsychotic treatment at time of intervention, and that levels of nine of the 26 cytokines were below lower limit of detection (LLOD) in >50 % of samples; however, for the primary outcomes IL-6 and IL-8 more than 99.5 % of the samples were above LLOD and for IL-8 all samples exceeded the lower limit of quantification (LLOQ). CONCLUSIONS We found no evidence of increased IL-6 and IL-8 in patients with recent-onset psychotic disorders in contrary to previous findings in meta-analyses of CSF cytokines. Secondary analyses found indication of higher IL-4, decreased IL-16, and borderline increased IFN-γ in patients, neither of which have previously been reported on in CSF analyses of individuals with psychotic disorders.
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Affiliation(s)
- Rose Jeppesen
- Copenhagen Research Centre for Biological and Precision Psychiatry, Mental Health Centre Copenhagen, Copenhagen University Hospital, Copenhagen, Denmark; Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Nis Borbye-Lorenzen
- Center for Neonatal Screening, Department of Congenital Disorders, Statens Serum Institut, Copenhagen, Denmark
| | - Rune Haubo Bojesen Christensen
- Copenhagen Research Centre for Biological and Precision Psychiatry, Mental Health Centre Copenhagen, Copenhagen University Hospital, Copenhagen, Denmark
| | - Nina Vindegaard Sørensen
- Copenhagen Research Centre for Biological and Precision Psychiatry, Mental Health Centre Copenhagen, Copenhagen University Hospital, Copenhagen, Denmark
| | - Ole Köhler-Forsberg
- Psychosis Research Unit, Aarhus University Hospital - Psychiatry, Aarhus, Denmark; Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Kristin Skogstrand
- Center for Neonatal Screening, Department of Congenital Disorders, Statens Serum Institut, Copenhagen, Denmark
| | - Michael Eriksen Benros
- Copenhagen Research Centre for Biological and Precision Psychiatry, Mental Health Centre Copenhagen, Copenhagen University Hospital, Copenhagen, Denmark; Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.
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Guest PC, Borgwardt S, Steiner J. Editorial: Back to the future: on the road towards precision psychiatry, volume II. Front Psychiatry 2024; 14:1355085. [PMID: 38260772 PMCID: PMC10800515 DOI: 10.3389/fpsyt.2023.1355085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Accepted: 12/19/2023] [Indexed: 01/24/2024] Open
Affiliation(s)
- Paul C. Guest
- Department of Psychiatry, Otto-von-Guericke-University Magdeburg, Magdeburg, Germany
- Laboratory of Translational Psychiatry, Otto-von-Guericke-University Magdeburg, Magdeburg, Germany
- Laboratory of Neuroproteomics, Department of Biochemistry and Tissue Biology, Institute of Biology, University of Campinas, Campinas, Brazil
| | - Stefan Borgwardt
- Department of Psychiatry and Psychotherapy, Translational Psychiatry, Lübeck, Germany
| | - Johann Steiner
- Department of Psychiatry, Otto-von-Guericke-University Magdeburg, Magdeburg, Germany
- Laboratory of Translational Psychiatry, Otto-von-Guericke-University Magdeburg, Magdeburg, Germany
- Center for Behavioral Brain Sciences, Magdeburg, Germany
- Center for Health and Medical Prevention, Magdeburg, Germany
- German Center for Mental Health (DZPG), Center for Intervention and Research on Adaptive and Maladaptive Brain Circuits Underlying Mental Health (C-I-R-C), Halle-Jena-Magdeburg, Germany
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Klein HC, Guest PC, Dobrowolny H, Steiner J. Inflammation and viral infection as disease modifiers in schizophrenia. Front Psychiatry 2023; 14:1231750. [PMID: 37850104 PMCID: PMC10577328 DOI: 10.3389/fpsyt.2023.1231750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Accepted: 09/12/2023] [Indexed: 10/19/2023] Open
Abstract
Numerous studies have now implicated a role for inflammation in schizophrenia. However, many aspects surrounding this aspect of the disease are still controversial. This controversy has been driven by conflicting evidence on the role of both pro-and anti-inflammatory factors and by often contentious findings concerning cytokine and immune cell profiles in the central nervous system and periphery. Current evidence supports the point that interleukin-6 is elevated in CSF, but does not support activation of microglia, resident macrophage-like cells in the brain. Furthermore, the mechanisms involving transit of the peripheral immune system factors across the blood brain barrier to central parenchyma have still not been completely elucidated. This process appears to involve perivascular macrophages and accompanying dendritic cells retained in the parenchyma by the chemokine and cytokine composition of the surrounding milieu. In addition, a number of studies have shown that this can be modulated by infection with viruses such as herpes simplex virus type I which may disrupt antigen presentation in the perivascular space, with long-lasting consequences. In this review article, we discuss the role of inflammation and viral infection as potential disease modifiers in schizophrenia. The primary viral hit may occur in the fetus in utero, transforming the immune response regulatory T-cells or the virus may secondarily remain latent in immune cells or neurons and modify further immune responses in the developing individual. It is hoped that unraveling this pathway further and solidifying our understanding of the pathophysiological mechanisms involved will pave the way for future studies aimed at identification and implementation of new biomarkers and drug targets. This may facilitate the development of more effective personalized therapies for individuals suffering with schizophrenia.
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Affiliation(s)
- Hans C. Klein
- Department of Nuclear Medicine and Molecular Imaging, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
- Research and Education Department Addiction Care Northern Netherlands, Groningen, Netherlands
| | - Paul C. Guest
- Department of Psychiatry, Otto-von-Guericke-University Magdeburg, Magdeburg, Germany
- Laboratory of Translational Psychiatry, Otto-von-Guericke-University Magdeburg, Magdeburg, Germany
- Laboratory of Neuroproteomics, Department of Biochemistry and Tissue Biology, Institute of Biology, University of Campinas (UNICAMP), Campinas, Brazil
| | - Henrik Dobrowolny
- Department of Psychiatry, Otto-von-Guericke-University Magdeburg, Magdeburg, Germany
- Laboratory of Translational Psychiatry, Otto-von-Guericke-University Magdeburg, Magdeburg, Germany
| | - Johann Steiner
- Department of Psychiatry, Otto-von-Guericke-University Magdeburg, Magdeburg, Germany
- Laboratory of Translational Psychiatry, Otto-von-Guericke-University Magdeburg, Magdeburg, Germany
- Center for Health and Medical Prevention (CHaMP), Magdeburg, Germany
- German Center for Mental Health (DZPG), Center for Intervention and Research on Adaptive and Maladaptive Brain Circuits Underlying Mental Health (C-I-R-C), Halle-Jena-Magdeburg, Germany
- Center for Behavioral Brain Sciences (CBBS), Magdeburg, Germany
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