Evidence map›Paper›PMID 34245379›Full record

ReviewPflugers Archiv : European journal of physiology2021

Common and discrete mechanisms underlying chronic pain and itch: peripheral and central sensitization.

Chengjin Li, Hee Jin Kim, Seung Keun Back, Heung Sik Na

Abstract readReview
PubMed Publisher
In one paragraph

Review in Pflugers Archiv : European journal of physiology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.

0numbers the graph read from it
0cells of the map it votes in
22citing papers in PubMed
7.4field-weighted citation impact, top 2% 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

22 citing papers in PubMed, 48 citations in OpenAlex.

  1. Review
  2. Review
  3. Skin pain in pediatric atopic dermatitis: mechanisms and management.Current opinion in allergy and clinical immunology · 2026
    Review
  4. Review
  5. Article
  6. Article
  7. Article
  8. Review
  9. Review
  10. Review
  11. Review
  12. Multi-regional sequential pain syndrome.Frontiers in neurology · 2025
    Article
  13. Article
  14. Fibromyalgia and Skin Disorders: A Systematic Review.Journal of clinical medicine · 2024
    Review
  15. Article
  16. Review
  17. Review
  18. Itch in dogs and cats.The Canadian veterinary journal = La revue veterinaire canadienne · 2023
    Article
  19. Review
  20. [Neurobiology of pruritus: new concepts].Dermatologie (Heidelberg, Germany) · 2022
    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

4 authors at 4 institutions in 2 countries.

Chengjin LiJiangxi Provincial Key Lab of System Biomedicine, Jiujiang University, 17 Lufeng Road, Jiujiang, 332000, China.
Hee Jin KimDivision of Biological Science and Technology, Science and Technology College, Yonsei University Wonju Campus, Wonju, Korea.
Seung Keun BackDepartment of Biomedical Laboratory Science, College of Medical Science, Konyang University, Daejeon, 35365, Korea. skback@konyang.ac.kr.
Heung Sik NaNeuroscience Research Institute and Department of Physiology, Korea University College of Medicine, Seoul, 02841, Korea. hsna@korea.ac.kr.
Jiujiang University · CNKonyang University · KRKorea University · KRYonsei University · KR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Normally, an obvious antagonism exists between pain and itch. In normal conditions, painful stimuli suppress itch sensation, whereas pain killers often generate itch. Although pain and itch are mediated by separate pathways under normal conditions, most chemicals are not highly specific to one sensation in chronic pathologic conditions. Notably, in patients with neuropathic pain, histamine primarily induces pain rather than itch, while in patients with atopic dermatitis, bradykinin triggers itch rather than pain. Accordingly, repetitive scratching even enhances itch sensation in chronic itch conditions. Physicians often prescribe pain relievers to patients with chronic itch, suggesting common mechanisms underlying chronic pain and itch, especially peripheral and central sensitization. Rather than separating itch and pain, studies should investigate chronic itch and pain including neuropathic and inflammatory conditions. Here, we reviewed chronic sensitization leading to chronic pain and itch at both peripheral and central levels. Studies investigating the connection between pain and itch facilitate the development of new therapeutics against both chronic dysesthesias based on the underlying pathophysiology.

Indexed as

AnalgesicsChronic PainHumansPruritusAnalgesicsCentral sensitizationChronic itchChronic painPeripheral sensitization

Identifiers

PMID34245379
OpenAlexW3178407574

What OpenQuestion holds

Textmetadata
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.