HD Lighthouse Contributing Editor's Comment: Embryonic stem cells have promise to treat Huntington's disease but adult stem cells may be more effective. There is a danger that researchers will rush to trials with their particular pet before good science picks the best. --Jerry
Posted to the HDL: 19 Aug 2003

Adult mouse bone marrow stem cells can become cells of the nervous system

Findings similar to results with embryonic and neural stem cells

University of Minnesota researchers show that adult bone marrow stem cells can be induced to differentiate into cells of the midbrain. The findings, published in the online early edition of the Proceedings of the National Academy of Sciences, suggest that adult bone-marrow-derived stem cells may one day be useful for treating diseases of the central nervous system, including Parkinson's disease.

The potential of these adult stem cells, termed multipotent adult progenitor cells (MAPCs), were the subject of research reported in Nature in June 2002. Today's published research findings show specific cell differentiation for a specific goal. While this type of cell differentiation has been shown to occur from embryonic and neural stem cells, this is the first time adult bone-marrow-derived cells have been shown to generate dopamine like neurons.

"We're able to show in vitro generation of functional dopamine producing cells from adult bone marrow stem cells needed for therapy of Parkinson's," said lead investigator Catherine Verfaillie. "This further proves similarity of the MAPCs with embryonic stem cells.

"Again, while adult stem cells hold great promise, side by side comparison of adult and embryonic stem cells must be done to determine which stem cells are most useful in treating a particular disease," said Verfaillie.

# # # Tracked on the HDL: Catherine Verfaillie

Source: University of Minnesota, 18 Aug 2003

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