Evidence map›Paper›PMID 42156970›Full record

ArticleScientific reports2026

Regulatory T cell attracting therapy accelerates skeletal muscle functional recovery following injury.

Matthew A Borrelli, Jordan J P Warunek, Betsy Ann Varghese, Neill Turner, Steven R Little, Hēth R Turnquist

Abstract read
In one paragraph

Article in Scientific reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing 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

1 citing paper in PubMed.

  1. Circulating CD38Scientific reports · 2026
    Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

6 authors.

Matthew A Borrelli *Department of Chemical and Petroleum Engineering, University of Pittsburgh, Pittsburgh, PA, 15261, USA.
Jordan J P Warunek *Thomas E. Starzl Transplantation Institute, School of Medicine, University of Pittsburgh, Pittsburgh, PA, 15261, USA.
Betsy Ann VargheseThomas E. Starzl Transplantation Institute, School of Medicine, University of Pittsburgh, Pittsburgh, PA, 15261, USA.
Neill TurnerMcGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA, 15261, USA.
Steven R LittleDepartment of Chemical and Petroleum Engineering, University of Pittsburgh, Pittsburgh, PA, 15261, USA.
Hēth R TurnquistThomas E. Starzl Transplantation Institute, School of Medicine, University of Pittsburgh, Pittsburgh, PA, 15261, USA. het5@pitt.edu.

Funding

Cardiovascular Bioengineering Training ProgramT32HL076124 · NHLBI · UNIVERSITY OF PITTSBURGH AT PITTSBURGH · PI SANJEEV G SHROFF · 2005 to 2026
$7.0M
Immunoregulatory Mechanisms of IL-33 in Heart TransplantationR01HL122489 · NHLBI · UNIVERSITY OF PITTSBURGH AT PITTSBURGH · PI Heth R Turnquist · 2015 to 2026
$4.9M
Defining How Macrophage Allorecognition Impacts Tissue Repair After TransplantationF31HL170514 · NHLBI · UNIVERSITY OF PITTSBURGH AT PITTSBURGH · PI WARUNEK, JORDAN · 2023 to 2025
$146k
American Heart Association 23PRE1026713NHLBI NIH HHS F31 HL170514NHLBI NIH HHS R01 HL122489NHLBI NIH HHS T32 HL076124NIH HHS F31HL170514NIH HHS R01HL122489NIH HHS T32HL076124U.S. Department of Defense PR230360
6 · The paper itself

Abstract

Skeletal muscle injuries are a common consequence of physical activity, repetitive movements, and trauma. Regulatory T cells (Treg) act as critical mediators of immune repair response after injury. Thus, treatments effectively targeting Treg may accelerate injury resolution. CCL22 is a chemokine that recruits CCR4-expressing cells, particularly Treg, to sites of inflammation or immune regulation, such as tumor microenvironments. When an immunomodulatory, sustained release formulation of polymeric microparticles (MP) delivering CCL22 (CCL22MP), was administered after cardiotoxin (CTx)-mediated muscle injury, significantly improved limb function was observed on days 3 and 5 post injury. Histologic evaluation of the injured limbs showed reduced injury and enhanced myofiber cross-sectional area in CCL22MP treated limbs. Analysis of the local immune populations revealed augmented Treg concentrations, as well as altered infiltrating myeloid populations towards pro-repair subsets. These findings reveal that amplifying local Treg to damaged areas improves outcomes, thus offering a translationally promising approach after muscle injury.

Indexed as

Chemokine CCL22Muscle, SkeletalRecovery of FunctionT-Lymphocytes, RegulatoryAnimalsMaleMiceChemokine CCL22ImmunomodulationInjuryMicroparticlesSkeletal muscleTissue repairTreg

Identifiers

PMID42156970
PMCPMC13385410

What OpenQuestion holds

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LicenceCC BY-NC-ND
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.