Decellularization of canine kidney for three-dimensional organ regeneration.
bioengineering
dog
extracellular matrix
kidney
regeneration
Journal
Veterinary world
ISSN: 0972-8988
Titre abrégé: Vet World
Pays: India
ID NLM: 101504872
Informations de publication
Date de publication:
Mar 2020
Mar 2020
Historique:
received:
27
11
2019
accepted:
04
02
2020
entrez:
6
5
2020
pubmed:
6
5
2020
medline:
6
5
2020
Statut:
ppublish
Résumé
Kidney regeneration is required for dogs with end-stage renal failure. Decellularization is one of the bioengineering techniques, which involves the removal of all tissue cells and cellular components and conservation of the extracellular matrix (ECM). Studies in rats have shown that decellularized kidney has regenerative potential; however, there are no reports on renal decellularization in dogs. Here, we showed the decellularization of the canine kidney. The renal artery of the cadaveric canine kidney was cannulated and the whole kidney was frozen at -80°C. After completely thawing, it was perfused with physiological saline and sodium dodecyl sulfate (0.5%, 6 h) through the cannulated renal artery to achieve decellularization. To assess the efficiency of the decellularization protocol, histological and immunohistochemical analysis of decellularized kidney was performed. The results of hematoxylin and eosin (H and E) staining revealed that the decellularized canine kidney had no apparent cellular components. In addition, 4',6-diamidino-2-phenylindole (DAPI) staining showed no visible nuclear components within the whole decellularized kidney. Therefore, both H and E and DAPI staining showed decellularization of the canine kidney. Our decellularization protocol also preserved the basement membrane of glomerulus, shown by periodic acid methenamine silver, periodic acid-Schiff, fibronectin, and collagen type IV stain. Our decellularization protocol could eliminate cellular components and remaining native ECM structures of canine kidney. These results could promote further research into canine kidney regeneration, which may be the first small step to regenerate the canine kidney waiting for renal transplantation.
Sections du résumé
BACKGROUND AND AIM
OBJECTIVE
Kidney regeneration is required for dogs with end-stage renal failure. Decellularization is one of the bioengineering techniques, which involves the removal of all tissue cells and cellular components and conservation of the extracellular matrix (ECM). Studies in rats have shown that decellularized kidney has regenerative potential; however, there are no reports on renal decellularization in dogs. Here, we showed the decellularization of the canine kidney.
MATERIALS AND METHODS
METHODS
The renal artery of the cadaveric canine kidney was cannulated and the whole kidney was frozen at -80°C. After completely thawing, it was perfused with physiological saline and sodium dodecyl sulfate (0.5%, 6 h) through the cannulated renal artery to achieve decellularization. To assess the efficiency of the decellularization protocol, histological and immunohistochemical analysis of decellularized kidney was performed.
RESULTS
RESULTS
The results of hematoxylin and eosin (H and E) staining revealed that the decellularized canine kidney had no apparent cellular components. In addition, 4',6-diamidino-2-phenylindole (DAPI) staining showed no visible nuclear components within the whole decellularized kidney. Therefore, both H and E and DAPI staining showed decellularization of the canine kidney. Our decellularization protocol also preserved the basement membrane of glomerulus, shown by periodic acid methenamine silver, periodic acid-Schiff, fibronectin, and collagen type IV stain.
CONCLUSION
CONCLUSIONS
Our decellularization protocol could eliminate cellular components and remaining native ECM structures of canine kidney. These results could promote further research into canine kidney regeneration, which may be the first small step to regenerate the canine kidney waiting for renal transplantation.
Identifiants
pubmed: 32367949
doi: 10.14202/vetworld.2020.452-457
pii: Vetworld-13-452
pmc: PMC7183470
doi:
Types de publication
Journal Article
Langues
eng
Pagination
452-457Informations de copyright
Copyright: © Tajima, et al.
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