Cited by 99Pain Mechanisms and TreatmentsIon Channels and ReceptorsBlood Coagulation and Thrombosis Mechanisms

Protease‐activated receptor‐4 (PAR4): a role as inhibitor of visceral pain and hypersensitivity

Augé, C., Balz‐hara, D., Steinhoff, M., Vergnolle, N., Cenac, N.·2009·Neurogastroenterology & Motility

Abstract

Abstract Protease‐activated receptor‐4 (PAR 4) belongs to the family of receptors activated by the proteolytic cleavage of their extracellular N‐terminal domain and the subsequent binding of the newly released N‐terminus. While largely expressed in the colon, the role of PAR 4 in gut functions has not been defined. We have investigated the effects of PAR 4 agonist on colonic sensations and sensory neuron signalling, and its role in visceral pain. We observed that a single administration of the PAR 4 agonist peptide (AYPGKF‐NH 2), but not the control peptide (YAPGKF‐NH 2) into the colon lumen of mice significantly reduced the visceromotor response to colorectal distension at different pressures of distension. Further, intracolonic administration of the PAR 4 agonist, but not the control peptide, was able to significantly inhibit PAR 2 agonist‐ and transcient receptor potential vanilloid‐4 (TRPV4) agonist‐induced allodynia and hyperalgesia in response to colorectal distension. Protease‐activated receptor‐4 was detected in sensory neurons projecting from the colon, and isolated from the dorsal root ganglia, where it co‐expressed with PAR 2 and TRPV4. In total sensory neurons, PAR 4 agonist exposure inhibited free intracellular calcium mobilization induced by the pro‐nociceptive agonists of PAR 2 and TRPV4. Finally, PAR 4‐deficient mice experienced increased pain behaviour in response to intracolonic administration of mustard oil, compared with wild‐type littermates. These results show that PAR 4 agonists modulate colonic nociceptive response, inhibit colonic hypersensitivity and primary afferent responses to pro‐nociceptive mediators. Endogenous activation of PAR 4 also plays a major role in controlling visceral pain. These results identify PAR 4 as a previously unknown modulator of visceral nociception.

Integrity signals

Registry

Crossref · 10.1111/j.1365-2982.2009.01310.x

Cites

33 of 33 references verified0 citation errors · 0 not checkable

Statistics

Recomputing p-values needs the paper’s full text.

Claims the paper makes

This paper’s full text isn’t openly available, so its claims and self-check weren’t run. The registry and citation checks still apply.

Claims other papers make about this one

Each is checked against this paper’s own text: does it say what the citing paper says it does?

Cites

Flagged first, then by citations

Cited by

Sorted by citations

Authors
Augé, C., Balz‐hara, D., Steinhoff, M., Vergnolle, N., & Cenac, N.
Affiliations
  • Université Toulouse III - Paul Sabatier (FR)
  • University of Münster (DE)
Corresponding author
Vergnolle, N.
Venue
Neurogastroenterology & Motility
Publisher
Wiley
Published
2009-10-02
Volume
21
Issue
11
Pages
1189
ISSN
  • 1350-1925 (ISSN-L)
  • 1365-2982
OpenAlex
W2151257438
Cited by
99
References
33
Citations by year
2026: 1 · 2025: 2 · 2024: 2 · 2023: 3 · 2022: 3 · 2021: 5 · 2020: 2 · 2019: 3 · 2018: 6 · 2017: 8 · 2016: 7 · 2015: 6 · 2014: 6 · 2013: 4 · 2012: 11
FWCI
9.06
Type
journal article
Language
en
Open access
closed
Locations
  • Neurogastroenterology & Motility (publishedVersion)
  • PubMed (publishedVersion)
Funders
Fondation Bettencourt Schueller
Topics
  • Health Sciences › Medicine › Physiology › Pain Mechanisms and Treatments
  • Life Sciences › Neuroscience › Sensory Systems › Ion Channels and Receptors
  • Health Sciences › Medicine › Hematology › Blood Coagulation and Thrombosis Mechanisms
Keywords
PAR4, visceral pain, colonic hypersensitivity, colorectal distension, allodynia, hyperalgesia, PAR2, TRPV4, sensory neurons, dorsal root ganglia, calcium mobilization, mustard oil, visceral nociception
MeSH terms
Animals, Behavior, Animal, Catheterization, Ganglia, Spinal, Hyperalgesia, Male, Mice, Inbred C57BL, Mustard Plant, Neurons, Afferent, Oligopeptides, Pain, Plant Oils, Sensory Receptor Cells, Visceral Afferents, Receptors, Thrombin, TRPV Cation Channels, Mice

About these checks

Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

Statistics and arithmetic are recomputed, not judged.

Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.

What counts as a claim ›How we measure confidence ›How we check this ›

Are you an author, or do you see a problem with this page? Request a review