Distinct features of rabbit and human adipose-derived mesenchymal stem cells: implications for biotechnology and translational research
Received 30 May 2018
Accepted for publication 19 July 2018
Published 23 October 2018 Volume 2018:11 Pages 43—54
Checked for plagiarism Yes
Review by Single-blind
Peer reviewer comments 2
Editor who approved publication: Dr Bernard Binetruy
Helena Debiazi Zomer,1,2 Kelly CS Roballo,2 Thais Borges Lessa,2 Fabiana Fernandes Bressan,2 Natália Nardeli Gonçalves,2 Flávio Vieira Meirelles,2,3 Andrea Gonçalves Trentin,1 Carlos Eduardo Ambrósio2,3
1Department of Cell Biology, Embryology and Genetic, Faculty of Biological Sciences, Santa Catarina Federal University (UFSC), Florianópolis, Brazil; 2Department of Surgery, Sector Anatomy, Faculty of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil; 3Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, São Paulo, Brazil
Introduction: Owing to their similarity with humans, rabbits are useful for multiple applications in biotechnology and translational research from basic to preclinical studies. In this sense, mesenchymal stem cells (MSCs) are known for their therapeutic potential and promising future in regenerative medicine. As many studies have been using rabbit adipose-derived MSCs (ASCs) as a model of human ASCs (hASCs), it is fundamental to compare their characteristics and understand how distinct features could affect the translation to human medicine.
Objective: The aim of this study was to comparatively characterize rabbit ASCs (rASCs) and hASCs to further uses in biotechnology and translational studies.
Materials and methods: rASCs and hASCs were isolated and characterized by their immunophenotype, differentiation potential, proliferative profile, and nuclear stability in vitro.
Results and discussion: Both ASCs presented differentiation potential to osteocytes, chondrocytes, and adipocytes and shared similar immunophenotype expression to CD105+, CD34–, and CD45–, but rabbit cells expressed significantly lower CD73 and CD90 than human cells. In addition, rASCs presented greater clonogenic potential and proliferation rate than hASCs but no difference in nuclear alterations.
Conclusion: The distinct features of rASCs and hASCs can positively or negatively affect their use for different applications in biotechnology (such as cell reprogramming) and translational studies (such as cell transplantation, tissue engineering, and pharmacokinetics). Nevertheless, the particularities between rabbit and human MSCs should not prevent rabbit use in preclinical models, but care should be taken to interpret results and properly translate animal findings to medicine.
Keywords: characterization, comparison, MSC, iPS, immunophenotype, proliferation
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