Evidence map›Paper›PMID 39095656›Full record

ArticleInflammation research : official journal of the European Histamine Research Society ... [et al.]2024

Sigma-1 receptor targeting inhibits connexin 43 based intercellular communication in chronic neuropathic pain.

Simona Denaro, Simona D'Aprile, Filippo Torrisi, Agata Zappalà, Agostino Marrazzo, Mahmoud Al-Khrasani, Lorella Pasquinucci, Nunzio Vicario, Rosalba Parenti, Carmela Parenti

Abstract read
In one paragraph

Article in Inflammation research : official journal of the European Histamine Research Society ... [et al.], 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
12citing 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

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

  1. Pooled it
  2. Article
  3. Article
  4. Review
  5. Article
  6. Review
  7. Article
  8. Review
  9. Article
  10. Review
  11. Review
  12. 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

10 authors.

Simona DenaroSection of Physiology, Department of Biomedical and Biotechnological Sciences, University of Catania, 95123, Catania, Italy.
Simona D'AprileSection of Physiology, Department of Biomedical and Biotechnological Sciences, University of Catania, 95123, Catania, Italy.
Filippo TorrisiDepartment of Medicine and Surgery, University of Enna "Kore", 94100, Enna, Italy.
Agata ZappalàSection of Physiology, Department of Biomedical and Biotechnological Sciences, University of Catania, 95123, Catania, Italy.
Agostino MarrazzoSection of Medicinal Chemistry, Department of Drug and Health Sciences, University of Catania, 95123, Catania, Italy.
Mahmoud Al-KhrasaniDepartment of Pharmacology and Pharmacotherapy, Faculty of Medicine, Semmelweis University, Budapest, Hungary.
Lorella PasquinucciSection of Medicinal Chemistry, Department of Drug and Health Sciences, University of Catania, 95123, Catania, Italy. lpasquin@unict.it.
Nunzio VicarioSection of Physiology, Department of Biomedical and Biotechnological Sciences, University of Catania, 95123, Catania, Italy. nunziovicario@unict.it.
Rosalba ParentiSection of Physiology, Department of Biomedical and Biotechnological Sciences, University of Catania, 95123, Catania, Italy.
Carmela ParentiSection of Pharmacology and Toxicology, Department of Drug and Health Sciences, University of Catania, 95123, Catania, Italy.

Funding

"Drug Delivery: veicoli per un'innovazione sostenibile" (CUP: B82F15000010005. Funder "Ministry of University and Research", ITALY) PON03PE_00216_1"PIA.CE.RI. 2020-2022-Linea di intervento 2-Project DETTAGLI from the University of Catania UPB 57722172125"PIA.CE.RI. 2020-2022-Linea di intervento 3-Starting Grant" UPB 20722142178
6 · The paper itself

Abstract

BACKGROUND AND

objectiveNeuropathic pain is a chronic condition characterized by aberrant signaling within the somatosensory system, affecting millions of people worldwide with limited treatment options. Herein, we aim at investigating the potential of a sigma-1 receptor (σ1R) antagonist in managing neuropathic pain.

methodsA Chronic Constriction Injury (CCI) model was used to induce neuropathic pain. The potential of (+)-MR200 was evaluated following daily subcutaneous injections of the compound. Its mechanism of action was confirmed by administration of a well-known σ1R agonist, PRE084.

results(+)-MR200 demonstrated efficacy in protecting neurons from damage and alleviating pain hypersensitivity in CCI model. Our results suggest that (+)-MR200 reduced the activation of astrocytes and microglia, cells known to contribute to the neuroinflammatory process, suggesting that (+)-MR200 may not only address pain symptoms but also tackle the underlying cellular mechanism involved. Furthermore, (+)-MR200 treatment normalized levels of the gap junction (GJ)-forming protein connexin 43 (Cx43), suggesting a reduction in harmful intercellular communication that could fuel the chronicity of pain.

conclusionsThis approach could offer a neuroprotective strategy for managing neuropathic pain, addressing both pain symptoms and cellular processes driving the condition. Understanding the dynamics of σ1R expression and function in neuropathic pain is crucial for clinical intervention.

Indexed as

Connexin 43NeuralgiaReceptors, sigmaSigma-1 ReceptorAnimalsAstrocytesCell CommunicationChronic PainHyperalgesiaMaleMicrogliaMorpholinesNeuronsRats, Sprague-DawleySciatic Nerve2-(4-morpholino)ethyl-1-phenylcyclohexane-1-carboxylateConnexin 43MorpholinesReceptors, sigmaSigma-1 ReceptorConnexin 43Gap junctionGlial cellNeuropathic painSigma-1 receptor

Identifiers

PMID39095656
PMCPMC11445328

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.