alexa Guidelines to Optimize Survival and Migration Capacitie
ISSN: 2157-7633

Journal of Stem Cell Research & Therapy
Open Access

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Research Article

Guidelines to Optimize Survival and Migration Capacities of Equine Mesenchymal Stem Cells

Sarah Broeckx1, Cynthia de Vries2, Marc Suls3, Deborah J Guest4 and Jan H Spaas1*

1Global Stem cell Technology (GST), Geeneindestraat 1, Meldert-Lummen, Belgium

2Department of Pathology, Bacteriology and Poultry Diseases, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium

3Equine Veterinary Practice Dr Suls, Kazernelaan 144, SP Weert, the Netherlands

4Centre for Preventive Medicine, Animal Health Trust, Newmarket, Suffolk, UK

*Corresponding Author:
Jan Spaas
Global Stem cell Technology (GST)
Geeneindestraat 1
B-3560 Meldert-Lummen, Belgium
Tel: +32 13 55 61 06
Fax: +32 13 55 61 07
E-mail: [email protected]

Received date: August 05, 2013; Accepted date: August 24, 2013; Published date: August 26, 2013

Citation: Broeckx S, de Vries C, Suls M, Guest DJ, Spaas JH (2013) Guidelines to Optimize Survival and Migration Capacities of Equine Mesenchymal Stem Cells. J Stem Cell Res Ther 3:147. doi:10.4172/2157-7633.1000147

Copyright: © 2013 Broeckx S, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

 

Abstract

Background: Although mesenchymal stem cell (MSC) therapy is commonly being used in veterinary medicine, no specific guidelines are described to guarantee an optimal cell survival and migration. However, this is indispensable in order to assure an optimal clinical use. Methods: In the present study, equine peripheral blood (PB)-derived MSCs were isolated and characterized. In order to determine the optimal parameters for long-term cryopreservation, the effects of different dimethyl sulfoxide (DMSO) concentrations (5-20%) and thawing methods (temperature-controlled or hand-thawed) on MSC viability were evaluated by means of trypan blue staining. Afterwards, MSC storage was evaluated for 12 months using only 10% of DMSO as a cryoprotectant without rate-controlled freezing. Then, the influence of frequently used anaesthetics and injectable gels on MSC viability was assessed. Finally, the migration capacity of MSCs through hyaluronic acid at different concentrations was assessed. Results: Firstly, we demonstrated that the DMSO concentration and the thawing method had no considerable influence on MSC viability within the 4 hour evaluation after thawing. Secondly, anaesthetics were highly cytotoxic and only 10% of the MSCs survived 3 hours of their presence. Hyaluronic acid- and glycosaminoglycan-based gels were compatible with MSCs and allowed a high cell survival (more than 90%) within 48 hours of follow-up. However, in a polyacrylamide gel, approximately 80% of the MSCs died within 48 hours. Finally, the concentration of the gel influenced the migration capacity of the MSCs. Indeed, only 60% of the MSCs in 20mg/ml of hyaluronic acid attached to the underlying surface within 48 hours, whereas almost 100% of the MSCs in 10mg/ml of the same substance were able to migrate through the gel. Conclusion: The present study reports practical guidelines for the clinical application of equine PB-derived MSCs.

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