Evidence map›Paper›PMID 41458970›Full record

ArticleFrontiers in pharmacology2025

Alginate-encapsulated muscle-derived stem cell spheroids promote muscle regeneration in a murine model of volumetric muscle loss.

Lucas Pari Mitre, Giovana Zanetti Ivanov, Shahin Shams, Fabio Yamaguchi, André Petraconi, Ricardo Jorge Espanhol Andrade, Eduardo Silva, Leonardo Martin, Roberta Sessa Stilhano

Abstract read
In one paragraph

Article in Frontiers in pharmacology, 2025. 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. 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

9 authors.

Lucas Pari MitreDepartment of Physiological Sciences, Santa Casa de São Paulo School of Medical Sciences, São Paulo, Brazil.
Giovana Zanetti IvanovDepartment of Physiological Sciences, Santa Casa de São Paulo School of Medical Sciences, São Paulo, Brazil.
Shahin ShamsBiomedical Engineering Department, University of California, Davis, CA, United States.
Fabio YamaguchiTraumatology and Orthopedics Institute, University of São Paulo, São Paulo, Brazil.
André PetraconiMackGraphe-Mackenzie Institute for Research in Graphene and Nanotechnologies, Mackenzie Presbyterian Institute, Sao Paulo, Brazil.
Ricardo Jorge Espanhol AndradeMackGraphe-Mackenzie Institute for Research in Graphene and Nanotechnologies, Mackenzie Presbyterian Institute, Sao Paulo, Brazil.
Eduardo SilvaDepartment of Chemistry, Bioscience, and Environmental Engineering, University of Stavanger, Stavanger, Norway.
Leonardo MartinDepartment of Pharmaceutical Sciences, University of Antwerp, Antwerp, Belgium.
Roberta Sessa StilhanoDepartment of Physiological Sciences, Santa Casa de São Paulo School of Medical Sciences, São Paulo, Brazil.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Introduction: Volumetric muscle loss (VML) remains a major clinical challenge due to the limited capacity of skeletal muscle to regenerate large-scale injuries. Muscle-derived stem cells (MDSCs) represent a promising therapeutic option for tissue regeneration; however, their clinical application is constrained by poor post-transplantation viability and limited engraftment. Alginate hydrogels offer a supportive three-dimensional microenvironment capable of encapsulating cells, promoting their survival, and enhancing paracrine signaling through the sustained release of growth factors. Methods: In this study, we developed and characterized MDSC spheroids and evaluated their regenerative potential when encapsulated in RGD-modified alginate hydrogels. Co-culture with endothelial cells significantly enhanced spheroid viability, indicating beneficial paracrine interactions. To further refine this strategy, 5% of the MDSCs were preconditioned with vascular endothelial growth factor (VEGF) prior to spheroid formation and encapsulation, integrating a pharmacological preconditioning step into the cell-hydrogel platform. Encapsulated spheroids were implanted into a murine model of VML. Results: After 30 days, animals treated with alginate-encapsulated MDSC spheroids containing a 5% VEGF-preconditioned subfraction exhibited reduced granulation tissue, fewer degenerating myofibers, lower fibrosis, and improved early rota-rod performance compared with untreated and scaffold-only controls. Discussion: Together, these findings highlight a pioneering proof-of-concept platform that combines 3D MDSC spheroids, alginate-based delivery, and VEGF-mediated pharmacological preconditioning for VML repair. As a 100% unconditioned MDSC+alginate group was not included, the present study should not be interpreted as demonstrating

Indexed as

alginatemuscle derived stem cellsmuscle injuryspheroidsvolumetric muscle loss

Identifiers

PMID41458970
PMCPMC12740859

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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.