Mesenchymal stem cells that come from different cell sources can look similar but behave differently. Bone marrow-derived mesenchymal stem cells tend to be the gold standard for isolating and using mesenchymal stem cells, it is not particularly easy to access these cells from the bone marrow. Because there are other, much more easily accessible mesenchymal stem cells, such as those from the umbilical cord, it is important to establish the differences between the different types of stem cells so that each can be used when most appropriate and when most advantageous.

One important difference is how to isolate the cells and how easy it is to do so. Recent work published this year in Stem Cells and Development helped to define the best way to isolate mesenchymal stem cells from the Wharton’s jelly of umbilical cords. The researchers also looked at the gene expression profile and the immune system characteristics of both bone marrow-derived mesenchymal stem cells and Wharton’s jelly-derived mesenchymal stem cells.

The researchers found that mesenchymal stem cells that came from the Wharton’s jelly of the umbilical cord had a better capacity to expand into more tissue than those taken from the bone marrow. Further, their gene expression was different. In the stem cells from the Wharton’s jelly, there was greater gene enrichment for genes related to cell adhesion, proliferation, and immune system functioning than in the cells from the bone marrow. These cells also induced the maturation of brain cells more so than did the mesenchymal stem cell derived from bone marrow.

These results show that Wharton’s jelly-derived mesenchymal stem cells have distinct properties from bone marrow-derived mesenchymal stem cells and likely have specific advantages as well to help treat those battling osteoarthritis, multiple sclerosis, Parkinson’s disease, and other degenerative conditions. Further research will help bear out more of the differences between these types of stem cells and how each type can best be used to help patients.

 

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