Evidence map›Paper›PMID 35884972›Full record

ArticleBiomedicines2022

Glutamate-Induced Deregulation of Krebs Cycle in Mitochondrial Encephalopathy Lactic Acidosis Syndrome Stroke-Like Episodes (MELAS) Syndrome Is Alleviated by Ketone Body Exposure.

Sophie Belal, David Goudenège, Cinzia Bocca, Florent Dumont, Juan Manuel Chao De La Barca, Valérie Desquiret-Dumas, Naïg Gueguen, Guillaume Geffroy, Rayane Benyahia, Selma Kane and 14 more

Open access · goldAbstract read
In one paragraph

Article in Biomedicines, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed, 1 pooled it
1.2field-weighted citation impact, top 22% 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

11 citing papers in PubMed, 1 synthesis or guideline pooled it, 15 citations in OpenAlex.

  1. Pooled it
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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

24 authors at 4 institutions in 2 countries.

Sophie BelalMitoLab Team, UMR CNRS 6015-INSERM U1083, Unité MitoVasc, SFR ICAT, Université d'Angers, 49933 Angers, France.
David GoudenègeMitoLab Team, UMR CNRS 6015-INSERM U1083, Unité MitoVasc, SFR ICAT, Université d'Angers, 49933 Angers, France.ORCID 0000-0003-0738-2905
Cinzia BoccaMitoLab Team, UMR CNRS 6015-INSERM U1083, Unité MitoVasc, SFR ICAT, Université d'Angers, 49933 Angers, France.
Florent DumontSignalling and Cardiovascular Pathophysiology, INSERM UMR-S 1180, University of Paris-Saclay, 92296 Châtenay-Malabry, France.
Juan Manuel Chao De La BarcaMitoLab Team, UMR CNRS 6015-INSERM U1083, Unité MitoVasc, SFR ICAT, Université d'Angers, 49933 Angers, France.ORCID 0000-0003-0975-6595
Valérie Desquiret-DumasMitoLab Team, UMR CNRS 6015-INSERM U1083, Unité MitoVasc, SFR ICAT, Université d'Angers, 49933 Angers, France.
Naïg GueguenMitoLab Team, UMR CNRS 6015-INSERM U1083, Unité MitoVasc, SFR ICAT, Université d'Angers, 49933 Angers, France.ORCID 0000-0002-3094-8121
Guillaume GeffroyMitoLab Team, UMR CNRS 6015-INSERM U1083, Unité MitoVasc, SFR ICAT, Université d'Angers, 49933 Angers, France.
Rayane BenyahiaMitoLab Team, UMR CNRS 6015-INSERM U1083, Unité MitoVasc, SFR ICAT, Université d'Angers, 49933 Angers, France.
Selma KaneMitoLab Team, UMR CNRS 6015-INSERM U1083, Unité MitoVasc, SFR ICAT, Université d'Angers, 49933 Angers, France.
Salim KhiatiMitoLab Team, UMR CNRS 6015-INSERM U1083, Unité MitoVasc, SFR ICAT, Université d'Angers, 49933 Angers, France.ORCID 0000-0002-2402-4790
Céline BrisMitoLab Team, UMR CNRS 6015-INSERM U1083, Unité MitoVasc, SFR ICAT, Université d'Angers, 49933 Angers, France.
Tamas AranyiInstitute of Enzymology, Research Center for Natural Sciences, H-1519 Budapest, Hungary.ORCID 0000-0002-2087-6275
Daniel StockholmEcole Pratique des Hautes Etudes, PSL Research University, 75014 Paris, France.ORCID 0000-0002-5069-5256
Aurore InisanMitoLab Team, UMR CNRS 6015-INSERM U1083, Unité MitoVasc, SFR ICAT, Université d'Angers, 49933 Angers, France.
Aurélie RenaudMitoLab Team, UMR CNRS 6015-INSERM U1083, Unité MitoVasc, SFR ICAT, Université d'Angers, 49933 Angers, France.
Magalie BarthBiochemistry and Genetics Department, University Hospital of Angers, 49933 Angers, France.
Gilles SimardBiochemistry and Genetics Department, University Hospital of Angers, 49933 Angers, France.
Pascal ReynierMitoLab Team, UMR CNRS 6015-INSERM U1083, Unité MitoVasc, SFR ICAT, Université d'Angers, 49933 Angers, France.ORCID 0000-0003-0802-4608
Franck LetournelDepartment of Neurobiology-Neuropathology, Angers Hospital, 49933 Angers, France.
Guy LenaersMitoLab Team, UMR CNRS 6015-INSERM U1083, Unité MitoVasc, SFR ICAT, Université d'Angers, 49933 Angers, France.
Dominique BonneauMitoLab Team, UMR CNRS 6015-INSERM U1083, Unité MitoVasc, SFR ICAT, Université d'Angers, 49933 Angers, France.
Arnaud ChevrollierMitoLab Team, UMR CNRS 6015-INSERM U1083, Unité MitoVasc, SFR ICAT, Université d'Angers, 49933 Angers, France.ORCID 0000-0002-5135-6643
Vincent ProcaccioMitoLab Team, UMR CNRS 6015-INSERM U1083, Unité MitoVasc, SFR ICAT, Université d'Angers, 49933 Angers, France.ORCID 0000-0002-1537-4684
Centre National de la Recherche Scientifique · FRInserm · FRUniversité d'Angers · FRSemmelweis University · HU

Funding

Fondation pour la Recherche Médicale DPM20121125554French Muscular Dystrophy Association Mitoscreen 17122
6 · The paper itself

Abstract

(1) Background: The development of mitochondrial medicine has been severely impeded by a lack of effective therapies. (2) Methods: To better understand Mitochondrial Encephalopathy Lactic Acidosis Syndrome Stroke-like episodes (MELAS) syndrome, neuronal cybrid cells carrying different mutation loads of the m.3243A > G mitochondrial DNA variant were analysed using a multi-omic approach. (3) Results: Specific metabolomic signatures revealed that the glutamate pathway was significantly increased in MELAS cells with a direct correlation between glutamate concentration and the m.3243A > G heteroplasmy level. Transcriptomic analysis in mutant cells further revealed alterations in specific gene clusters, including those of the glutamate, gamma-aminobutyric acid pathways, and tricarboxylic acid (TCA) cycle. These results were supported by post-mortem brain tissue analysis from a MELAS patient, confirming the glutamate dysregulation. Exposure of MELAS cells to ketone bodies significantly reduced the glutamate level and improved mitochondrial functions, reducing the accumulation of several intermediate metabolites of the TCA cycle and alleviating the NADH-redox imbalance. (4) Conclusions: Thus, a multi-omic integrated approach to MELAS cells revealed glutamate as a promising disease biomarker, while also indicating that a ketogenic diet should be tested in MELAS patients.

Indexed as

glutamateketone body treatmentMELAS syndromemitochondrial diseasesmtDNAmulti-omicsNADH/NAD imbalancetricarboxylic acid cycle

Identifiers

PMID35884972
PMCPMC9312837
OpenAlexW4285042539

What OpenQuestion holds

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Registered trials

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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.