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KMID : 1377020210180040623
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Tissue Engineering and Regenerative Medicine
2021 Volume.18 No. 4 p.623 ~ p.640
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Optimizing Decellularization Strategies for the Efficient Production of Whole Rat Kidney Scaffolds
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Mallis Panagiotis
Oikonomidis Charalampos
Dimou Zetta
Stavropoulos-Giokas Catherine
Michalopoulos Efstathios
Katsimpoulas Michalis
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Abstract
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BACKGROUND: Renal dysfunction remains a global issue, with chronic kidney disease being the 18th most leading cause of death, worldwide. The increased demands in kidney transplants, led the scientific society to seek alternative strategies, utilizing mostly the tissue engineering approaches. Unlike to perfusion decellularization of kidneys, we proposed alternative decellularization strategies to obtain acellular kidney scaffolds. The aim of this study was the evaluation of two different decellularization approaches for producing kidney bioscaffolds.
METHODS: Rat kidneys from Wistar rats, were submitted to decellularization, followed two different strategies. The decellularization solutions used in both approaches were the same and involved the use of 3-[(3-cholamidopropyl) dimethylammonio]-1-propanesulfonate and sodium dodecyl sulfate buffers for 12 h each, followed by incubation in a serum medium. Both approaches involved 3 decellularization cycles. Histological analysis, biochemical and DNA quantification were performed. Cytotoxicity assay and repopulation of acellular kidneys were also applied.
RESULTS: Histological, biochemical and DNA quantification confirmed that the 2nd approach had the best outcome regarding the kidney composition and cell elimination. Acellular kidneys from both approaches were successfully recellularized.
CONCLUSION: Based on the above data, the production of kidney scaffolds with the proposed cost- effective decellularization approaches, was efficient.
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KEYWORD
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Kidney scaffold, Decellularization, Chronic kidney disease, Mesenchymal stromal cells, Static seeding
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