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Injections of bone marrow cells into the heart can help heart attack patients regain pumping function, studies have shown. But such injections don't seem to work once more than a week or so has passed post-heart attack, researchers working with a National Heart, Lung and Blood Institute-sponsored trial reported Monday in JAMA, the Journal of the American Medical Assn.  Physicians at five participating medical research centers treated 57 patients with infusions of cells from the subjects' own bone marrow, two to three weeks after the patients had suffered a heart attack. Twenty-nine patients received a placebo treatment designed to look...

NEW ROCHELLE, N.Y., May 2, 2006 (LifeSiteNews.com) - The results of a study published in the April issue of Stem Cells and Development suggest that human stem cells derived from bone marrow are predisposed to develop into a variety of nerve cell types, supporting the promise of developing stem cell-based therapies to treat neurodegenerative disorders such as Parkinson's disease and multiple sclerosis. Stem Cells and Development, a peer-reviewed journal published by Mary Ann Liebert, Inc., carries the paper, entitled "Human Mesenchymal Stem Cells Express Neural Genes, Suggesting a Neural Predisposition." (online here http://www.liebertpub.com/scd)The surprising results lend a new perspective...