Evidence mapPaperPMID 40546103Full record

ArticlePain2025

Rejuvenation alleviates prolonged postsurgical pain in aging mice by mitigating inflammaging.

Basma Abdelkader, Xiang Qun Shi, Wen Bo Sam Zhou, Jesus D Castaño, Audrey V Grant, Francis Beaudry, Ji Zhang

Abstract read
In one paragraph

Article in Pain, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed
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

3 citing papers in PubMed.

  1. Review
  2. Review
  3. Article
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

7 authors.

Basma AbdelkaderThe Alan Edwards Centre for Research on Pain, McGill University, Montréal, QC, Canada.
Xiang Qun ShiThe Alan Edwards Centre for Research on Pain, McGill University, Montréal, QC, Canada.
Wen Bo Sam ZhouThe Alan Edwards Centre for Research on Pain, McGill University, Montréal, QC, Canada.
Jesus D CastañoDépartement de Biomédecine Vétérinaire, Faculté de Médecine Vétérinaire, Université de Montréal, Saint-Hyacinthe, QC, Canada.
Audrey V GrantThe Alan Edwards Centre for Research on Pain, McGill University, Montréal, QC, Canada.
Francis BeaudryDépartement de Biomédecine Vétérinaire, Faculté de Médecine Vétérinaire, Université de Montréal, Saint-Hyacinthe, QC, Canada.
Ji ZhangThe Alan Edwards Centre for Research on Pain, McGill University, Montréal, QC, Canada.ORCID 0000-0001-8816-9721

Funding

CIHR CIHR PJT-185851, CIHR PJT-189971
6 · The paper itself

Abstract

abstractAs individuals age, they often experience persistent, unresolved pain, impacting their quality of life. Aging as a process is accompanied by "inflammaging," a state of chronic, low-grade systemic inflammation contributing to various diseases. Understanding the functional link between inflammaging and age-related development of pain is crucial for identifying novel therapeutic targets. We hypothesized that the circulatory milieu plays a role in regulating pain and that inflammaging contributes to changes in pain behavior with age. To test these hypotheses, we monitored nociception and postsurgical pain in male and female mice aged 3 and 24 months and analyzed their serum proteome, including cytokine/chemokine profiles. Our results demonstrated that compared with young mice, aging mice were hyposensitive to mechanical stimulation, yet their pain response to incision was aggravated and prolonged. Serum proteomic analysis revealed sex-specific inflammaging patterns. To explore the link between inflammaging and age-related alteration in pain behavior, we applied a rejuvenation strategy by transferring serum from 3-month-old mice to 19- to 21-month-old mice. Young serum normalized mechanical sensitivity in aged mice, alleviated postsurgical mechanical pain, and promoted recovery. Alongside the improvements in pain behavior phenotype, young serum recalibrated the aging serum profile. It reduced age-associated increases of cytokine/chemokine levels in male mice and rescued age-related, female-selective downregulation of inflammatory pathways such as liver X receptor/retinoid X receptor activation, D24-dehydrocholesterol reductase, and complement signaling. Our findings suggest that the circulatory environment, notably inflammaging, plays a significant role in altered pain behavior of aging mice. The sex-specific signature of age-dependent systemic inflammation highlights the importance of investigating inflammaging through the lens of sexual dimorphism.

Indexed as

AgingInflammationPostoperative PainRejuvenationAnimalsCytokinesDisease Models, AnimalFemaleMaleMiceMice, Inbred C57BLPain MeasurementCytokinesAgingNociceptionPostsurgical painProteomicsRejuvenationSerumSex dimorphismSystemic chronic inflammation

Identifiers

PMID40546103
PMCPMC12519533

What Socratic holds

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LicenceCC BY-NC-ND
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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 Socratic graph.