Evidence map›Paper›PMID 33789568›Full record

ArticleThe journal of headache and pain2021

Effect of dural inflammatory soup application on activation and sensitization markers in the caudal trigeminal nucleus of the rat and the modulatory effects of sumatriptan and kynurenic acid.

Eleonóra Spekker, Klaudia Flóra Laborc, Zsuzsanna Bohár, Gábor Nagy-Grócz, Annamária Fejes-Szabó, Mónika Szűcs, László Vécsei, Árpád Párdutz

Abstract read
In one paragraph

Article in The journal of headache and pain, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
23citing 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

23 citing papers in PubMed, 1 synthesis or guideline 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

8 authors.

Eleonóra SpekkerDepartment of Neurology, Interdisciplinary Excellence Center, Faculty of Medicine, Albert Szent-Györgyi Clinical Center, University of Szeged, Semmelweis utca 6, Szeged, H-6725, Hungary.
Klaudia Flóra LaborcDepartment of Neurology, Interdisciplinary Excellence Center, Faculty of Medicine, Albert Szent-Györgyi Clinical Center, University of Szeged, Semmelweis utca 6, Szeged, H-6725, Hungary.
Zsuzsanna BohárDepartment of Neurology, Interdisciplinary Excellence Center, Faculty of Medicine, Albert Szent-Györgyi Clinical Center, University of Szeged, Semmelweis utca 6, Szeged, H-6725, Hungary.
Gábor Nagy-GróczDepartment of Neurology, Interdisciplinary Excellence Center, Faculty of Medicine, Albert Szent-Györgyi Clinical Center, University of Szeged, Semmelweis utca 6, Szeged, H-6725, Hungary.
Annamária Fejes-SzabóMTA-SZTE Neuroscience Research Group, Szeged, Hungary.
Mónika SzűcsDepartment of Medical Physics and Informatics, University of Szeged, Szeged, Hungary.
László VécseiDepartment of Neurology, Interdisciplinary Excellence Center, Faculty of Medicine, Albert Szent-Györgyi Clinical Center, University of Szeged, Semmelweis utca 6, Szeged, H-6725, Hungary. vecsei.laszlo@med.u-szeged.hu.
Árpád PárdutzDepartment of Neurology, Interdisciplinary Excellence Center, Faculty of Medicine, Albert Szent-Györgyi Clinical Center, University of Szeged, Semmelweis utca 6, Szeged, H-6725, Hungary.

Funding

Emberi Eroforrások Minisztériuma 2.3.2-15-2016-00034Emberi Eroforrások Minisztériuma TUDFO/47138-1/2019-ITMUniversity of Szeged Open Access 5077
6 · The paper itself

Abstract

backgroundThe topical inflammatory soup can model the inflammation of the dura mater causing hypersensitivity and activation of the trigeminal system, a phenomenon present in migraineurs. Calcitonin gene-related peptide, transient receptor potential vanilloid-1 receptor, and neuronal nitric oxide synthase are important in the sensitization process there. 5-HT

aimWe investigated the effect of inflammatory soup induced dural inflammation on the calcitonin gene-related peptide, transient receptor potential vanilloid-1 receptor, and neuronal nitric oxide synthase levels in the caudal trigeminal nucleus. We also tested whether pretreatment with a well-known antimigraine drug, such as sumatriptan and kynurenic acid, a compound with a different mechanism of action, can affect these changes and if their modulatory effects are comparable. MATERIAL AND

methodsAfter subcutaneous sumatriptan or intraperitoneal kynurenic acid the dura mater of adult male Sprague-Dawley rats (n = 72) was treated with inflammatory soup or its vehicle (synthetic interstitial fluid). Two and a half or four hours later perfusion was performed and the caudal trigeminal nucleus was removed for immunohistochemistry. RESULTS AND

conclusionInflammatory soup increased calcitonin gene-related peptide, transient receptor potential vanilloid-1 receptor, and neuronal nitric oxide synthase in the caudal trigeminal nucleus compared to placebo, which was attenuated by sumatriptan and kynurenic acid. This suggests the involvement of 5-HT

Indexed as

SumatriptanTrigeminal Caudal NucleusAnimalsCalcitonin Gene-Related PeptideDura MaterKynurenic AcidMaleRatsRats, Sprague-DawleyTrigeminal NucleiCalcitonin Gene-Related PeptideKynurenic AcidSumatriptanCGRPInflammatory soupKynurenic acidMigrainenNOSSumatriptanTrigeminal systemTRPV1

Identifiers

PMID33789568
PMCPMC8011387

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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.