Evidence map›Paper›PMID 38814782›Full record

ArticleCell reports2024

G-protein-coupled receptor 84 regulates acute inflammation in normal and diabetic skin wounds.

Paula O Cooper, Sarah S Kleb, Satish K Noonepalle, Veronica M Amuso, Rohan Varshney, Michael C Rudolph, Tanvir K Dhaliwal, Darlene V Nguyen, Miguel F Mazumder, Najuma S Babirye and 3 more

Abstract read
In one paragraph

Article in Cell reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.

0numbers the graph read from it
0cells of the map it votes in
8citing 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

8 citing papers in PubMed.

  1. Article
  2. Article
  3. Metabolite sensing receptors in macrophage reprogramming: from inflammation to resolution.Inflammation research : official journal of the European Histamine Research Society ... [et al.] · 2026
    Review
  4. Review
  5. Review
  6. Fibroblast-Mediated Macrophage Recruitment Supports Acute Wound Healing.The Journal of investigative dermatology · 2025
    Article
  7. Article
  8. Endothelial βII Spectrin Deletion Exacerbates Inflammation and Impairs Tissue Regeneration in Ischemic-Diabetic Skin Wound Healing.Wound repair and regeneration : official publication of the Wound Healing Society [and] the European Tissue Repair Society
    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

13 authors.

Paula O CooperDepartment of Biochemistry and Molecular Medicine, School of Medicine and Health Sciences, The George Washington University, Washington, DC 20037, USA.
Sarah S KlebDepartment of Biochemistry and Molecular Medicine, School of Medicine and Health Sciences, The George Washington University, Washington, DC 20037, USA.
Satish K NoonepalleDepartment of Biochemistry and Molecular Medicine, School of Medicine and Health Sciences, The George Washington University, Washington, DC 20037, USA.
Veronica M AmusoDepartment of Biochemistry and Molecular Medicine, School of Medicine and Health Sciences, The George Washington University, Washington, DC 20037, USA.
Rohan VarshneyDepartment of Biochemistry and Physiology, The University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA.
Michael C RudolphDepartment of Biochemistry and Physiology, The University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA.
Tanvir K DhaliwalDepartment of Biochemistry and Molecular Medicine, School of Medicine and Health Sciences, The George Washington University, Washington, DC 20037, USA.
Darlene V NguyenDepartment of Biochemistry and Molecular Medicine, School of Medicine and Health Sciences, The George Washington University, Washington, DC 20037, USA.
Miguel F MazumderDepartment of Biochemistry and Molecular Medicine, School of Medicine and Health Sciences, The George Washington University, Washington, DC 20037, USA.
Najuma S BabiryeDepartment of Biochemistry and Molecular Medicine, School of Medicine and Health Sciences, The George Washington University, Washington, DC 20037, USA.
Ruchi GuptaDepartment of Surgery, School of Medicine and Health Sciences, The George Washington University, Washington, DC 20037, USA.
Bao-Ngoc NguyenDepartment of Biochemistry and Molecular Medicine, School of Medicine and Health Sciences, The George Washington University, Washington, DC 20037, USA; Department of Surgery, School of Medicine and Health Sciences, The George Washington University, Washington, DC 20037, USA.
Brett A ShookDepartment of Biochemistry and Molecular Medicine, School of Medicine and Health Sciences, The George Washington University, Washington, DC 20037, USA; Department of Dermatology, School of Medicine and Health Sciences, The George Washington University, Washington, DC 20037, USA. Electronic address: brettshook@gwu.edu.

Funding

The role of GPR84 signaling during skin repairR01AR082417 · NIAMS · GEORGE WASHINGTON UNIVERSITY · PI BRETT SHOOK · 2023 to 2026
$1.8M
Cancer Biology Training Program (CBTP)T32CA247756 · NCI · GEORGE WASHINGTON UNIVERSITY · PI LEE, NORMAN H, SETO, EDWARD · 2020 to 2024
$1.4M
Early Life Fatty Acid Exposures Dictate Obesity PredispositionK01DK109079 · NIDDK · UNIVERSITY OF OKLAHOMA HLTH SCIENCES CTR · PI RUDOLPH, MICHAEL C. · 2017 to 2021
$686k
Early Life n-3 Fatty Acids Increase Novel Adipogenesis-Regulatory Cells to Condition Adipogenesis in a NR2F2 Dependent MannerR03DK122189 · NIDDK · UNIVERSITY OF OKLAHOMA HLTH SCIENCES CTR · PI RUDOLPH, MICHAEL C. · 2019 to 2020
$225k
NCI NIH HHS T32 CA247756NIAMS NIH HHS R01 AR082417NIDDK NIH HHS K01 DK109079NIDDK NIH HHS R03 DK122189
6 · The paper itself

Abstract

Lipids have emerged as potent regulators of immune cell function. In the skin, adipocyte lipolysis increases the local pool of free fatty acids and is essential for coordinating early macrophage inflammation following injury. Here, we investigate G-protein-coupled receptor 84 (GPR84), a medium-chain fatty acid (MCFA) receptor, for its potential to propagate pro-inflammatory signaling after skin injury. GPR84 signaling was identified as a key component of regulating myeloid cell numbers and subsequent tissue repair through in vivo administration of a pharmacological antagonist and the MCFA decanoic acid. We found that impaired injury-induced dermal adipocyte lipolysis is a hallmark of diabetes, and lipidomic analysis demonstrated that MCFAs are significantly reduced in diabetic murine wounds. Furthermore, local administration of decanoic acid rescued myeloid cell numbers and tissue repair during diabetic wound healing. Thus, GPR84 is a readily targetable lipid signaling pathway for manipulating injury-induced tissue inflammation with beneficial effects on acute diabetic healing.

Indexed as

Diabetes Mellitus, ExperimentalInflammationReceptors, G-Protein-CoupledSkinWound HealingAdipocytesAnimalsDecanoic AcidsFemaleLipolysisMaleMiceMice, Inbred C57BLMyeloid CellsSignal Transductiondecanoic acidDecanoic AcidsGpr84 protein, mouseReceptors, G-Protein-CoupledCP: MetabolismdiabetesGPR84inflammationmacrophagemedium-chain fatty acidwound healing

Identifiers

PMID38814782
PMCPMC11247419

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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.