Evidence map›Paper›PMID 36056171›Full record

ArticleMolecular psychiatry2022

Chronic pain causes Tau-mediated hippocampal pathology and memory deficits.

Sara R Guerreiro, Marco R Guimarães, Joana M Silva, Chrysoula Dioli, Anastasia Vamvaka-Iakovou, Raquel Sousa, Patrícia Gomes, Anastasia Megalokonomou, Carlos Campos-Marques, Ana Margarida Cunha and 4 more

Open access · bronzeAbstract read
PubMed Publisher
In one paragraph

Article in Molecular psychiatry, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers.

0numbers the graph read from it
0cells of the map it votes in
32citing papers in PubMed
4.5field-weighted citation impact, top 4% 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

32 citing papers in PubMed, 43 citations in OpenAlex.

  1. Article
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  6. Therapeutic relevance of an EU-GMP certifiedFrontiers in pharmacology · 2026
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  14. Mechanisms of comorbidity between Alzheimer's disease and pain.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2025
    Review
  15. Role of NLRP3 Inflammasome in Chronic Pain and Alzheimer's Disease-A Review.Journal of biochemical and molecular toxicology · 2025
    Review
  16. Article
  17. Article
  18. Article
  19. Elevated C-Reactive Protein in Older Men With Chronic Pain: Association With Plasma Amyloid Levels and Hippocampal Volume.The journals of gerontology. Series A, Biological sciences and medical sciences · 2024
    Article
  20. Review
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

14 authors at 4 institutions in 2 countries.

Sara R GuerreiroLife and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal.ORCID http://orcid.org/0000-0001-7521-5119
Marco R GuimarãesLife and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal.
Joana M SilvaLife and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal.ORCID http://orcid.org/0000-0002-8257-3413
Chrysoula DioliLife and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal.
Anastasia Vamvaka-IakovouInstitute of Biosciences and Applications, NCSR Demokritos, Athens, Greece.
Raquel SousaLife and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal.
Patrícia GomesLife and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal.ORCID http://orcid.org/0000-0001-7130-3445
Anastasia MegalokonomouInstitute of Biosciences and Applications, NCSR Demokritos, Athens, Greece.
Carlos Campos-MarquesLife and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal.
Ana Margarida CunhaLife and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal.
Armando AlmeidaLife and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal.
Nuno SousaLife and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal.ORCID http://orcid.org/0000-0002-8755-5126
Hugo Leite-Almeida *Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal. hugoalmeida@med.uminho.pt.ORCID http://orcid.org/0000-0002-5566-0386
Ioannis Sotiropoulos *Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal. ioannis@med.uminho.pt.ORCID http://orcid.org/0000-0003-0115-0038
University of Minho · PTNational Centre of Scientific Research "Demokritos" · GRClinical Academic Center of Braga · PTUniversity of Crete · GR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Persistent pain has been recently suggested as a risk factor for dementia. Indeed, chronic pain is frequently accompanied by maladaptive brain plasticity and cognitive deficits whose molecular underpinnings are poorly understood. Despite the emerging role of Tau as a key regulator of neuronal plasticity and pathology in diverse brain disorders, the role of Tau has never been studied in the context of chronic pain. Using a peripheral (sciatic) neuropathy to model chronic pain in mice-spared nerve injury (SNI) for 4 months-in wildtype as well as P301L-Tau transgenic mice, we hereby demonstrate that SNI triggers AD-related neuropathology characterized by Tau hyperphosphorylation, accumulation, and aggregation in hippocampus followed by neuronal atrophy and memory deficits. Molecular analysis suggests that SNI inhibits autophagy and reduces levels of the Rab35, a regulator of Tau degradation while overexpression of Rab35 or treatment with the analgesic drug gabapentin reverted the above molecular changes leading to neurostructural and memory recovery. Interestingly, genetic ablation of Tau blocks the establishment of SNI-induced hippocampal morphofunctional deficits supporting the mediating role of Tau in SNI-evoked hippocampal pathology and memory impairment. These findings reveal that exposure to chronic pain triggers Tau-related neuropathology and may be relevant for understanding how chronic pain precipitates memory loss leading to dementia.

Indexed as

Alzheimer DiseaseChronic PainDementiaAnimalsDisease Models, AnimalHippocampusMemory DisordersMiceMice, TransgenicNeuronal Plasticitytau Proteinstau Proteins

Identifiers

PMID36056171
OpenAlexW4294543062

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.