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Article

Characterisation of Novel Angiogenic and Potent Anti-Inflammatory Effects of Micro-Fragmented Adipose Tissue

1
Manchester Metropolitan University, Chester Street, Manchester M1 5GD, UK
2
The Regenerative Clinic, Harley Street, London W1G 6JP, UK
3
Next AI, Leadenhall Street, London EC3V 1LP, UK
4
Rogers Regenerative Medical Group, Harley Street, London W1U 2HX, UK
5
University of Medicine and Pharmacy, Science and Technology, W1G 7ET Târgu Mures, Romania
*
Author to whom correspondence should be addressed.
Academic Editor: Hirofumi Noguchi
Int. J. Mol. Sci. 2021, 22(6), 3271; https://0-doi-org.brum.beds.ac.uk/10.3390/ijms22063271
Received: 22 February 2021 / Revised: 11 March 2021 / Accepted: 11 March 2021 / Published: 23 March 2021
(This article belongs to the Special Issue Adipose Stem Cells 3.0)
Adipose tissue and more specifically micro-fragmented adipose tissue (MFAT) obtained from liposuction has recently been shown to possess interesting medicinal properties whereby its application supports pain reduction and may enhance tissue regeneration particularly in osteoarthritis. Here we have characterised samples of MFAT produced using the Lipogems® International Spa system from eight volunteer individuals in order to understand the critical biological mechanisms through which they act. A variation was found in the MFAT cluster size between individual samples and this translated into a similar variation in the ability of purified mesenchymal stem cells (MSCs) to form colony-forming units. Almost all of the isolated cells were CD105/CD90/CD45+ indicating stemness. An analysis of the secretions of cytokines from MFAT samples in a culture using targeted arrays and an enzyme-linked immunosorbent assay (ELISA) showed a long-term specific and significant expression of proteins associated with anti-inflammation (e.g., interleukin-1 receptor alpha (Il-1Rα) antagonist), pro-regeneration (e.g., hepatocyte growth factor), anti-scarring and pro-angiogenesis (e.g., transforming growth factor beta 1 and 2 (TGFβ1/2) and anti-bacterial (e.g., chemokine C-X-C motif ligand-9 (CXCL-9). Angiogenesis and angiogenic signalling were notably increased in primary bovine aortic endothelial cells (BAEC) to a different extent in each individual sample of the conditioned medium whilst a direct capacity of the conditioned medium to block inflammation induced by lipopolysaccharides was shown. This work characterises the biological mechanisms through which a strong, long-lasting, and potentially beneficial effect can be observed regarding pain reduction, protection and regeneration in osteoarthritic joints treated with MFAT. View Full-Text
Keywords: micro-fragmented adipose tissue; mesenchymal stem cells; tissue regeneration; angiogenesis; inflammation micro-fragmented adipose tissue; mesenchymal stem cells; tissue regeneration; angiogenesis; inflammation
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MDPI and ACS Style

Guo, B.; Sawkulycz, X.; Heidari, N.; Rogers, R.; Liu, D.; Slevin, M. Characterisation of Novel Angiogenic and Potent Anti-Inflammatory Effects of Micro-Fragmented Adipose Tissue. Int. J. Mol. Sci. 2021, 22, 3271. https://0-doi-org.brum.beds.ac.uk/10.3390/ijms22063271

AMA Style

Guo B, Sawkulycz X, Heidari N, Rogers R, Liu D, Slevin M. Characterisation of Novel Angiogenic and Potent Anti-Inflammatory Effects of Micro-Fragmented Adipose Tissue. International Journal of Molecular Sciences. 2021; 22(6):3271. https://0-doi-org.brum.beds.ac.uk/10.3390/ijms22063271

Chicago/Turabian Style

Guo, Baoqiang, Xenia Sawkulycz, Nima Heidari, Ralph Rogers, Donghui Liu, and Mark Slevin. 2021. "Characterisation of Novel Angiogenic and Potent Anti-Inflammatory Effects of Micro-Fragmented Adipose Tissue" International Journal of Molecular Sciences 22, no. 6: 3271. https://0-doi-org.brum.beds.ac.uk/10.3390/ijms22063271

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