Selected cells from blood or bone marrow may provide a route to healing blood vessels

When envisioning cell therapy for cardiovascular disease, a team of scientists is focusing on cells that nourish blood vessels, rather than on rare stem cells. In experiments with mice, CD31 positive cells from the blood or bone marrow can effectively treat hindlimb ischemia -- a model of peripheral artery disease. This approach has the potential to be safer and less arduous than experimental therapies involving the isolation of stem cells from bone marrow.

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