Wharton's jelly is a known stem cell source in humans. Because stem cells might provide a potential therapeutic role in canines, many stem cell sources are studied for isolation and characterization in the canine system. So far, there have been no reports identifying canine Wharton's
jelly stem cells. In this study, we successfully isolated and characterized mesenchymal stem cells (MSCs) from canine Wharton's jelly. Canine Wharton's jelly-derived mesenchymal stem cells (cWJ-MSCs) that were grown in low-glucose DMEM medium have spindle-like shapes similar to human Wharton's
jelly stem cells. We characterized the immunophenotypes of canine Wharton's jelly stem cells by FACS analysis and measured the cumulative population doubling level (CPDL). We investigated the differentiation of cWJ-MSCs with a trilineage differentiation assay to determine whether they were
mesenchymal. Under various differentiation conditions, cWJ-MSCs presented chondrogenic, osteogenic, adipogenic, and neurogenic differentiation abilities in vitro. In conclusion, our results show that cWJ-MSCs might be a good source for stem cells. Furthermore, cWJ-MSCs might be useful as a
cell therapy application for veterinary medicine.
Adult Stem Cell Research Center, College of Veterinary Medicine, Seoul National University, Seoul, Korea
Publication date: July 1, 2012
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