ArticleRegenerative therapy2023
Mesenchymal stem cells derived from the fibrotic tissue of atrophic nonunion or the bone marrow of iliac crest: A donor-matched comparison.
Article in Regenerative therapy, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
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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.
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.
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Who cites it
4 citing papers in PubMed.
- Atrophic Long-Bone Non-Union: Current Insights into Pathogenesis and Management-A Narrative Review.Journal of clinical medicine · 2026Review
- The Genetic and Biological Basis of Pseudoarthrosis in Fractures: Current Understanding and Future Directions.Diseases (Basel, Switzerland) · 2025Review
- Acoustic Transmitted Decellularized Fish Bladder for Tympanic Membrane Regeneration.Research (Washington, D.C.) · 2025Article
- Recent Advances in Hydrogel Technology in Delivering Mesenchymal Stem Cell for Osteoarthritis Therapy.Biomolecules · 2024Review
Corrections and comments
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Purpose: Atrophic nonunion is one of the most difficult complications of fracture. The cellular factors that contribute to atrophic nonunion are poorly understood, and mesenchymal stem cells (MSCs) are recognized as the key contributor to bone formation. This study aimed to characterize the MSCs isolated from the fibrotic tissue of atrophic nonunion (AN-MSCs) from the perspective of proliferation, differentiation potential, senescence, and paracrine function. Methods: Human atrophic fibrotic tissue was obtained from four donors aged 29-37 for isolating AN-MSCs, and donor-matched bone marrow acquired from the iliac crest for isolating MSCs (IC-MSCs) as control. The AN-MSCs or IC-MSCs in passage 3 were applied for the following evaluations. The surface markers expressed on the two cells were evaluated using flow cytometry. The proliferation of the two cells for up to 11 days was comparatively investigated. After osteogenic, chondrogenic, or adipogenic induction, multi-lineage differentiation of AN-MSCs or IC-MSCs was comparatively evaluated using lineage-specific stains and lineage-specific gene expression. Enzyme-linked immunosorbent assay (ELISA) assessment was applied to evaluate the paracrine function of AN-MSCs or IC-MSCs. Cellular senescence of AN-MSCs or IC-MSCs was evaluated using senescence-associated β-galactosidase (SA-β-gal) staining. Results: AN-MSCs or IC-MSCs from the four donors showed morphologic and immunophenotypic characteristics of MSCs, with the expression of MSCs markers and negative expression of hematopoietic markers. In general, AN-MSCs showed similar proliferation and adipogenic capacity with IC-MSCs. In contrast, IC-MSCs showed significantly higher osteogenic and chondrogenic capacity compared to AN-MSCs. Moreover, the culture medium of IC-MSCs contains significantly higher levels of VEGF, TGF-β1, PDGF-BB, and IGF-1 than the culture medium of AN-MSCs. Lastly, the AN-MSCs are more prone to cellular senescence than the IC-MSCs. Conclusions: In-vitro, AN-MSCs were similar to IC-MSCs in proliferation and adipogenic capacity, but inferior to IC-MSCs in osteogenic and chondrogenic capacity, paracrine function, and anti-senescence.
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