ArticleStem cell research & therapy2021
Anti-apoptotic effect of adipose tissue-derived stromal vascular fraction in denervated rat muscle.
Article in Stem cell research & therapy, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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14 citing papers in PubMed, 19 citations in OpenAlex.
- Targeted muscle reinnervation surgery modulates apoptosis and synaptic plasticity to improve motor function following tibial nerve injury in rats.Annals of medicine · 2026Article
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- The Application of Stem Cells and Exosomes in Promoting Nerve Conduits for Peripheral Nerve Repair.Biomaterials research · 2025Review
- Engineered stromal vascular fraction for tissue regeneration.Frontiers in pharmacology · 2025Review
- Curcumin Mitigates Muscle Atrophy Potentially by Attenuating Calcium Signaling and Inflammation in a Spinal Nerve Ligation Model.Current issues in molecular biology · 2024Article
- Efficacy of the immediate adipose-derived stromal vascular fraction autograft on functional sensorimotor recovery after spinal cord contusion in rats.Stem cell research & therapy · 2024Article
- Regenerative mechanisms of stem cells and their clinical applications for degenerative eye diseases.Journal of research in medical sciences : the official journal of Isfahan University of Medical Sciences · 2024Review
- Article
- The kisspeptin-1 receptor antagonist peptide-234 aggravates uremic cardiomyopathy in a rat model.Scientific reports · 2023Article
- Upscaled Skeletal Muscle Engineered Tissue with In Vivo Vascularization and Innervation Potential.Bioengineering (Basel, Switzerland) · 2023Article
- Laser-activated autologous adipose tissue-derived stromal vascular fraction restores spinal cord architecture and function in multiple sclerosis cat model.Stem cell research & therapy · 2023Article
- The Effect of Mesenchymal Stem Cells, Adipose Tissue Derived Stem Cells, and Cellular Stromal Vascular Fraction on the Repair of Acute Anal Sphincter Injury in Rats.Bioengineering (Basel, Switzerland) · 2022Article
- BNIP3 mediates the different adaptive responses of fibroblast-like synovial cells to hypoxia in patients with osteoarthritis and rheumatoid arthritis.Molecular medicine (Cambridge, Mass.) · 2022Article
- Secretome from In Vitro Mechanically Loaded Myoblasts Induces Tenocyte Migration, Transition to a Fibroblastic Phenotype and Suppression of Collagen Production.International journal of molecular sciences · 2021Article
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundRecovery of muscle function after peripheral nerve injury is often poor, and this can be attributed to muscle fiber atrophy and cell death. In the current study, we have investigated the effects of stromal vascular fraction (SVF) on muscle cell apoptosis and its potential to preserve muscle tissue following denervation.
methodsRat gastrocnemius muscle was denervated by sciatic nerve transection. At 2 and 4 weeks after injury, muscles were examined histologically and apoptosis was measured using TUNEL assay and PCR array for a range of apoptotic genes. Additionally, an in vitro TNF-α apoptosis model was established using SVF cells co-cultured indirectly with primary rat myoblasts. Annexin V and TUNEL were used together with Western blotting to investigate the signaling pathways.
resultsDenervated muscles showed significantly higher TUNEL reactivity at 2 and 4 weeks following nerve injury, and an increased expression of caspase family genes, mitochondria-related apoptotic genes, and tumor necrosis factor family genes. In cultured rat primary myoblasts, Annexin V labeling was significantly increased at 12 h after TNF-α treatment, and this was followed by a significant increase in TUNEL reactivity at 48 h. Western blotting showed that caspase-7 was activated/cleaved as well as the downstream substrate, poly (ADP-ribose) polymerase (PARP). Co-culture of myoblasts with SVF significantly reduced all these measures of apoptosis. Bax and Bcl-2 levels were not changed suggesting that the TNF-α-induced apoptosis occurred via mitochondria-independent pathways. The protective effect of SVF was also shown in vivo; injections of SVF cells into denervated muscle significantly improved the mean fiber area and diameter, as well as reduced the levels of TUNEL reactivity.
conclusionsThis study provides new insights into how adipose tissue-derived cells might provide therapeutic benefits by preserving muscle tissue.
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