Evidence map›Paper›PMID 37163675›Full record

ArticleSchizophrenia bulletin2023

Disturbed Oligodendroglial Maturation Causes Cognitive Dysfunction in Schizophrenia: A New Hypothesis.

Peter Falkai, Moritz J Rossner, Florian J Raabe, Elias Wagner, Daniel Keeser, Isabel Maurus, Lukas Roell, Emily Chang, Johanna Seitz-Holland, Thomas G Schulze and 1 more

Abstract read
In one paragraph

Article in Schizophrenia bulletin, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

18 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Article
  3. Article
  4. Review
  5. Article
  6. Mice lacking two alleles of the schizophrenia risk geneFrontiers in cellular neuroscience · 2026
    Article
  7. Article
  8. Neural and somatic mechanisms driving clinical improvements in post-acute schizophrenia spectrum disorders.European psychiatry : the journal of the Association of European Psychiatrists · 2025
    Article
  9. Article
  10. Article
  11. Aerobic exercise therapy in severe mental disorders: from methods to underlying mechanisms.European archives of psychiatry and clinical neuroscience · 2025
    Article
  12. Article
  13. Article
  14. Review
  15. Review
  16. Article
  17. Article
  18. Cellular pathology in the limbic system in schizophrenia.European archives of psychiatry and clinical neuroscience · 2023
    Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

11 authors.

Peter FalkaiDepartment of Psychiatry and Psychotherapy, University Hospital, Ludwig-Maximilian University, Munich, Germany.
Moritz J RossnerDepartment of Psychiatry and Psychotherapy, University Hospital, Ludwig-Maximilian University, Munich, Germany.
Florian J RaabeDepartment of Psychiatry and Psychotherapy, University Hospital, Ludwig-Maximilian University, Munich, Germany.
Elias WagnerDepartment of Psychiatry and Psychotherapy, University Hospital, Ludwig-Maximilian University, Munich, Germany.
Daniel KeeserDepartment of Psychiatry and Psychotherapy, University Hospital, Ludwig-Maximilian University, Munich, Germany.ORCID 0000-0002-0244-1024
Isabel MaurusDepartment of Psychiatry and Psychotherapy, University Hospital, Ludwig-Maximilian University, Munich, Germany.ORCID 0000-0002-6208-5180
Lukas RoellDepartment of Psychiatry and Psychotherapy, University Hospital, Ludwig-Maximilian University, Munich, Germany.
Emily ChangDepartment of Psychiatry and Psychotherapy, University Hospital, Ludwig-Maximilian University, Munich, Germany.
Johanna Seitz-HollandDepartment of Psychiatry, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
Thomas G SchulzeInstitute for Psychiatric Phenomic and Genomic (IPPG), Munich, Germany.
Andrea SchmittDepartment of Psychiatry and Psychotherapy, University Hospital, Ludwig-Maximilian University, Munich, Germany.ORCID 0000-0002-5426-4023

Funding

Else Kröner-Fresenius Foundation for the Residency/PhD track "Translational Psychiatry"ESPRIT (Enhancing Schizophrenia Prevention and Recovery through Innovative Treatments 01EE1407EGerman Federal Ministry of Education and Research (BMBF)International Max Planck Research School for Translational Psychiatry (IMPRS-TP)
6 · The paper itself

Abstract

background and hypothesisCognitive impairment is a hallmark of schizophrenia, but no effective treatment is available to date. The underlying pathophysiology includes disconnectivity between hippocampal and prefrontal brain regions. Supporting evidence comes from diffusion-weighted imaging studies that suggest abnormal organization of frontotemporal white matter pathways in schizophrenia. STUDY

designHere, we hypothesize that in schizophrenia, deficient maturation of oligodendrocyte precursor cells (OPCs) into mature oligodendrocytes substantially contributes to abnormal frontotemporal macro- and micro-connectivity and subsequent cognitive deficits. STUDY

resultsOur postmortem studies indicate a reduced oligodendrocyte number in the cornu ammonis 4 (CA4) subregion of the hippocampus, and others have reported the same histopathological finding in the dorsolateral prefrontal cortex. Our series of studies on aerobic exercise training showed a volume increase in the hippocampus, specifically in the CA4 region, and improved cognition in individuals with schizophrenia. The cognitive effects were subsequently confirmed by meta-analyses. Cell-specific schizophrenia polygenic risk scores showed that exercise-induced CA4 volume increase significantly correlates with OPCs. From animal models, it is evident that early life stress and oligodendrocyte-related gene variants lead to schizophrenia-related behavior, cognitive deficits, impaired oligodendrocyte maturation, and reduced myelin thickness.

conclusionsBased on these findings, we propose that pro-myelinating drugs (e.g., the histamine blocker clemastine) combined with aerobic exercise training may foster the regeneration of myelin plasticity as a basis for restoring frontotemporal connectivity and cognition in schizophrenia.

Indexed as

Cognitive DysfunctionSchizophreniaAnimalsHippocampusHumansMyelin SheathOligodendrogliacognitionhippocampusmyelinationoligodendrocyte precursor cellsoligodendrocytesprefrontal cortex

Identifiers

PMID37163675
PMCPMC10686333

What OpenQuestion holds

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LicenceCC BY-NC
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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.