Evidence map›Paper›PMID 36669102›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2023

Propionate exerts neuroprotective and neuroregenerative effects in the peripheral nervous system.

Thomas Grüter, Nuwin Mohamad, Niklas Rilke, Alina Blusch, Melissa Sgodzai, Seray Demir, Xiomara Pedreiturria, Katharina Lemhoefer, Barbara Gisevius, Aiden Haghikia and 4 more

Open access · greenAbstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 34 papers.

0numbers the graph read from it
0cells of the map it votes in
34citing papers in PubMed
7.1field-weighted citation impact, top 2% 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

34 citing papers in PubMed, 49 citations in OpenAlex.

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    Observational
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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

14 authors at 1 institution in 1 country.

Thomas GrüterDepartment of Neurology, St. Josef Hospital, Ruhr University Bochum, 44791 Bochum, Germany.ORCID 0000-0001-8927-9818
Nuwin MohamadDepartment of Neurology, St. Josef Hospital, Ruhr University Bochum, 44791 Bochum, Germany.
Niklas RilkeDepartment of Neurology, St. Josef Hospital, Ruhr University Bochum, 44791 Bochum, Germany.ORCID 0000-0002-0283-5832
Alina BluschDepartment of Neurology, St. Josef Hospital, Ruhr University Bochum, 44791 Bochum, Germany.
Melissa SgodzaiDepartment of Neurology, St. Josef Hospital, Ruhr University Bochum, 44791 Bochum, Germany.
Seray DemirDepartment of Neurology, St. Josef Hospital, Ruhr University Bochum, 44791 Bochum, Germany.ORCID 0000-0003-2439-780X
Xiomara PedreiturriaDepartment of Neurology, St. Josef Hospital, Ruhr University Bochum, 44791 Bochum, Germany.ORCID 0000-0002-3024-3826
Katharina LemhoeferDepartment of Neurology, St. Josef Hospital, Ruhr University Bochum, 44791 Bochum, Germany.ORCID 0000-0002-4940-9486
Barbara GiseviusDepartment of Neurology, St. Josef Hospital, Ruhr University Bochum, 44791 Bochum, Germany.ORCID 0000-0002-6018-4441
Aiden HaghikiaDepartment of Neurology, St. Josef Hospital, Ruhr University Bochum, 44791 Bochum, Germany.
Anna Lena FisseDepartment of Neurology, St. Josef Hospital, Ruhr University Bochum, 44791 Bochum, Germany.ORCID 0000-0003-0493-8656
Jeremias MotteDepartment of Neurology, St. Josef Hospital, Ruhr University Bochum, 44791 Bochum, Germany.ORCID 0000-0002-6624-8565
Ralf GoldDepartment of Neurology, St. Josef Hospital, Ruhr University Bochum, 44791 Bochum, Germany.
Kalliopi PitarokoiliDepartment of Neurology, St. Josef Hospital, Ruhr University Bochum, 44791 Bochum, Germany.ORCID 0000-0002-2483-4929
St. Josef-Hospital · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

In inflammatory neuropathies, oxidative stress results in neuronal and Schwann cell (SC) death promoting early neurodegeneration and clinical disability. Treatment with the short-chain fatty acid propionate showed a significant immunoregulatory and neuroprotective effect in multiple sclerosis patients. Similar effects have been described for patients with chronic inflammatory demyelinating polyneuropathy (CIDP). Therefore, Schwann cell's survival and dorsal root ganglia (DRG) outgrowth were evaluated in vitro after propionate treatment and application of H2O2 or S-nitroso-N-acetyl-D-L-penicillamine (SNAP) to evaluate neuroprotection. In addition, DRG resistance was evaluated by the application of oxidative stress by SNAP ex vivo after in vivo propionate treatment. Propionate treatment secondary to SNAP application on DRG served as a neuroregeneration model. Histone acetylation as well as expression of the free fatty acid receptor (FFAR) 2 and 3, histone deacetylases, neuroregeneration markers, and antioxidative mediators were investigated. β-hydroxybutyrate was used as a second FFAR3 ligand, and pertussis toxin was used as an FFAR3 antagonist. FFAR3, but not FFAR2, expression was evident on SC and DRG. Propionate-mediated activation of FFAR3 and histone 3 hyperacetylation resulted in increased catalase expression and increased resistance to oxidative stress. In addition, propionate treatment resulted in enhanced neuroregeneration with concomitant growth-associated protein 43 expression. We were able to demonstrate an antioxidative and neuroregenerative effect of propionate on SC and DRG mediated by FFAR3-induced histone acetylases expression. Our results describe a pathway to achieve neuroprotection/neuroregeneration relevant for patients with immune-mediated neuropathies.

Indexed as

HistonesPropionatesGanglia, SpinalHumansHydrogen PeroxideNeuroprotectionReceptors, G-Protein-CoupledHistonesHydrogen PeroxidePropionatesReceptors, G-Protein-Coupledchronic inflammatory demyelinating polyneuropathydorsal root gangliaFFAR3propionateSchwann cells

Identifiers

PMID36669102
PMCPMC9942889
OpenAlexW4317566755

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
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.