Inflammatory cerebrospinal fluid markers in schizophrenia spectrum disorders : A systematic review and meta-analysis of 69 studies with 5710 participants
Copyright © 2024 The Authors. Published by Elsevier B.V. All rights reserved..
BACKGROUND: There is increasing evidence of immune dysregulation and neuroinflammation occurring in schizophrenia. The aim of this study is to combine studies on routine CSF parameters, as well as cytokines and inflammatory proteins, in individuals with schizophrenia spectrum disorders.
METHODS: CSF parameters were summated and inverse variance meta-analyses using a random effects model were performed comparing mean difference or odds ratios. Between study heterogeneity was assessed using the I2 statistic. Quality assessment and sensitivity analyses were performed.
RESULTS: There were 69 studies of 5710 participants, including 3180 individuals with schizophrenia spectrum disorders. Averaged CSF parameters were within normal limits, however, between 3.1 % and 23.5 % of individual cases with schizophrenia spectrum disorders had an abnormal CSF result: Protein (abnormal in 23.5 % cases), albumin (in 18.5 %), presence of oligoclonal bands (in 9.3 %), white blood cell count (in 3.6 %), and IgG levels (3.1 %). Meta-analysis of 55 studies with non-psychiatric controls demonstrated a significant increase in CSF total protein (MD: 3.50, CI: 0.12-6.87), albumin ratio (MD: 0.55, CI: 0.02-0.09), white cell count (MD: 0.25, CI: 0.05-0.46), IL-6 (SMD: 0.53, CI: 0.29 to 0.77) and IL-8 (SMD: 0.56, CI: 0.11 to 1.01). Sensitivity analysis did not alter findings.
CONCLUSION: Abnormal CSF parameters, cytokines and inflammatory proteins were found in a significant proportion of individuals with schizophrenia spectrum disorders. This may indicate alterations to blood brain barrier function and permeability, CSF flow dynamics or neuroinflammation. Further research is needed to explore these potential mechanisms.
Medienart: |
E-Artikel |
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Erscheinungsjahr: |
2024 |
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Erschienen: |
2024 |
Enthalten in: |
Zur Gesamtaufnahme - volume:266 |
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Enthalten in: |
Schizophrenia research - 266(2024) vom: 15. März, Seite 24-31 |
Sprache: |
Englisch |
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Beteiligte Personen: |
Warren, Nicola [VerfasserIn] |
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Date Completed 20.03.2024 Date Revised 20.03.2024 published: Print-Electronic Citation Status MEDLINE |
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doi: |
10.1016/j.schres.2024.02.001 |
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PPN (Katalog-ID): |
NLM368548015 |
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520 | |a Copyright © 2024 The Authors. Published by Elsevier B.V. All rights reserved. | ||
520 | |a BACKGROUND: There is increasing evidence of immune dysregulation and neuroinflammation occurring in schizophrenia. The aim of this study is to combine studies on routine CSF parameters, as well as cytokines and inflammatory proteins, in individuals with schizophrenia spectrum disorders | ||
520 | |a METHODS: CSF parameters were summated and inverse variance meta-analyses using a random effects model were performed comparing mean difference or odds ratios. Between study heterogeneity was assessed using the I2 statistic. Quality assessment and sensitivity analyses were performed | ||
520 | |a RESULTS: There were 69 studies of 5710 participants, including 3180 individuals with schizophrenia spectrum disorders. Averaged CSF parameters were within normal limits, however, between 3.1 % and 23.5 % of individual cases with schizophrenia spectrum disorders had an abnormal CSF result: Protein (abnormal in 23.5 % cases), albumin (in 18.5 %), presence of oligoclonal bands (in 9.3 %), white blood cell count (in 3.6 %), and IgG levels (3.1 %). Meta-analysis of 55 studies with non-psychiatric controls demonstrated a significant increase in CSF total protein (MD: 3.50, CI: 0.12-6.87), albumin ratio (MD: 0.55, CI: 0.02-0.09), white cell count (MD: 0.25, CI: 0.05-0.46), IL-6 (SMD: 0.53, CI: 0.29 to 0.77) and IL-8 (SMD: 0.56, CI: 0.11 to 1.01). Sensitivity analysis did not alter findings | ||
520 | |a CONCLUSION: Abnormal CSF parameters, cytokines and inflammatory proteins were found in a significant proportion of individuals with schizophrenia spectrum disorders. This may indicate alterations to blood brain barrier function and permeability, CSF flow dynamics or neuroinflammation. Further research is needed to explore these potential mechanisms | ||
650 | 4 | |a Meta-Analysis | |
650 | 4 | |a Systematic Review | |
650 | 4 | |a Journal Article | |
650 | 4 | |a Cerebrospinal | |
650 | 4 | |a Cytokines | |
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650 | 4 | |a Psychosis | |
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700 | 1 | |a Horgan, Isabelle |e verfasserin |4 aut | |
700 | 1 | |a Weeratunga, Milleni |e verfasserin |4 aut | |
700 | 1 | |a Halstead, Sean |e verfasserin |4 aut | |
700 | 1 | |a Moussiopoulou, Joanna |e verfasserin |4 aut | |
700 | 1 | |a Campana, Mattia |e verfasserin |4 aut | |
700 | 1 | |a Yakimov, Vladislav |e verfasserin |4 aut | |
700 | 1 | |a Wagner, Elias |e verfasserin |4 aut | |
700 | 1 | |a Siskind, Dan |e verfasserin |4 aut | |
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