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J Vet Sci. 2018 Jan 31;19(1):13-20. doi: 10.4142/jvs.2018.19.1.13.

Comparison of the characteristics of canine adipose tissue-derived mesenchymal stem cells extracted from different sites and at different passage numbers.

Author information

1
Laboratory of Immunology, Department of Microbiological Science, Faculty of Veterinary, Universidad de la República, Montevideo 11600, Uruguay.
2
Laboratory of Embryology and Cellular Differentiation, Hospital de Clínicas de Porto Alegre, Porto Alegre, RS 90035-903, Brazil.
3
Biostatistics, Hospital de Clínicas de Porto Alegre, Porto Alegre, RS 90035-903, Brazil.
4
Laboratory for Vaccine Research, Department of Biotechnology, Instituto de Higiene, Faculty of Medicine, Universidad de la República, Montevideo 11600, Uruguay.
5
Laboratory of Genetics, Faculty of Veterinary, Universidad de la República, Montevideo 11600, Uruguay.

Abstract

Mesenchymal stem cells (MSCs) have desirable characteristics for use in therapy in animal models and veterinary medicine, due to their capacity of inducing tissue regeneration and immunomodulation. The objective of this study was to evaluate the differences between canine adipose tissue-derived MSCs (AD-MSCs) extracted from subcutaneous (Sc) and visceral (Vs) sites. Surface antigenic markers, in vitro differentiation, and mineralized matrix quantification of AD-MSCs at different passages (P4, P6, and P8) were studied. Immunophenotypic analysis showed that AD-MSCs from both sites were CD44+, CD90+, and CD45-. Moreover, they were able, in vitro, to differentiate into fat, cartilage, and bone. Sc-AD-MSCs preserve in vitro multipotentiality up to P8, but Vs-AD-MSCs only tri-differentiated up to P4. In addition, compared to Vs-AD-MSCs, Sc-AD-MSCs had greater capacity for in vitro mineralized matrix synthesis. In conclusion, Sc-AD-MSCs have advantages over Vs-AD-MSCs, as Sc AD-MSCs preserve multipotentiality during a greater number of passages, have more osteogenic potential, and require less invasive extraction.

KEYWORDS:

canine; immunophenotyping; mesenchymal stem cells; multipotent plasticity

PMID:
28693305
PMCID:
PMC5799390
DOI:
10.4142/jvs.2018.19.1.13
[Indexed for MEDLINE]
Free PMC Article

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