Evidence map›Paper›PMID 34012440›Full record

ArticleFrontiers in immunology2021

Clozapine Regulates Microglia and Is Effective in Chronic Experimental Autoimmune Encephalomyelitis.

Ulaş Ceylan, Steffen Haupeltshofer, Laura Kämper, Justus Dann, Björn Ambrosius, Ralf Gold, Simon Faissner

Open access · goldAbstract read
In one paragraph

Article in Frontiers in immunology, 2021. 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
3.0field-weighted citation impact, top 8% of its field
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, 30 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Article
  4. Review
  5. Article
  6. Article
  7. Article
  8. The Role of Microglial Exosomes in Clozapine Treatment: Effect on Cognition in Schizophrenia.Journal of neuroimmune pharmacology : the official journal of the Society on NeuroImmune Pharmacology · 2025
    Review
  9. Review
  10. Article
  11. Review
  12. The Janus face of antipsychotics in glial cells: Focus on glioprotection.Experimental biology and medicine (Maywood, N.J.) · 2023
    Review
  13. Article
  14. Review
  15. Article
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  18. Review
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

7 authors at 2 institutions in 1 country.

Ulaş CeylanDepartment of Neurology, Ruhr-University Bochum, St. Josef-Hospital, Bochum, Germany.
Steffen HaupeltshoferDepartment of Neurology, Ruhr-University Bochum, St. Josef-Hospital, Bochum, Germany.
Laura KämperDepartment of Neurology, Ruhr-University Bochum, St. Josef-Hospital, Bochum, Germany.
Justus DannDepartment of Neurology, Ruhr-University Bochum, St. Josef-Hospital, Bochum, Germany.
Björn AmbrosiusDepartment of Neurology, Ruhr-University Bochum, St. Josef-Hospital, Bochum, Germany.
Ralf GoldDepartment of Neurology, Ruhr-University Bochum, St. Josef-Hospital, Bochum, Germany.
Simon FaissnerDepartment of Neurology, Ruhr-University Bochum, St. Josef-Hospital, Bochum, Germany.
St. Josef-Hospital · DERuhr University Bochum · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Objective: Progressive multiple sclerosis is characterized by chronic inflammation with microglial activation, oxidative stress, accumulation of iron and continuous neurodegeneration with inadequate effectiveness of medications used so far. We now investigated effects of iron on microglia and used the previously identified neuroprotective antipsychotic clozapine Methods: Microglia were treated with iron and clozapine followed by analysis of cell death and response to oxidative stress, cytokine release and neuronal phagocytosis. Clozapine was investigated in chronic EAE regarding optimal dosing and therapeutic effectiveness in different treatment paradigms. Animals were scored clinically by blinded raters. Spinal cords were analyzed histologically for inflammation, demyelination, microglial activation and iron accumulation and for transcription changes of regulators of iron metabolism and inflammation. Effects on immune cells were analyzed using flow cytometry. Results: Iron impaired microglial function Conclusions: Clozapine regulates microglial function and attenuates chronic EAE, even in a therapeutic treatment paradigm. This well-defined generic medication might therefore be considered as promising add-on therapeutic for further development in progressive MS.

Indexed as

AnimalsAntipsychotic AgentsBiomarkersCell LineChronic DiseaseClozapineCytokinesDisease Models, AnimalDose-Response Relationship, DrugEncephalomyelitis, Autoimmune, ExperimentalHumansImmunomodulationInflammation MediatorsMiceMicrogliaOxidative StressAntipsychotic AgentsBiomarkersClozapineCytokinesInflammation MediatorsclozapineEAE (experimental autoimmune encephalomyelitis)ironmicroglianeuroprotectionprogressive multiple sclerosis

Identifiers

PMID34012440
PMCPMC8126707
OpenAlexW3159309889

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

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.