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Aging Stem Cells Linked to Leukemia in Elderly HealthDay 06-22-05 TUESDAY, June 21 (HealthDay News) -- Aging stem cells may be behind an increased risk of infection and leukemia in older people, according to a Stanford University School of Medicine study. The report appears in this week's issue of the Proceedings of the National Academy of Sciences. The Stanford team found that in older mice, bone marrow stem cells that create new blood cells produce fewer immune cells. That means the bodies of older mice are less able to fight infection. As well as producing fewer immune cells, the aging blood-forming stem cells use genes known to be involved in leukemia -- cancers that affect blood cells. This may be one reason why older people have an increased risk of developing certain kinds of leukemia, the study authors said. The findings provide more evidence that aging stem cells or stem cells responding to conditions in an aging body may be the source of a number of age-related health problems. "Aging results in a diminished capacity of the body to maintain tissue and organ function. Since we know the cells mediating this maintenance are stem cells, it doesn't take a great leap of faith to think that stem cells are at the heart of that failure," study co-author and postdoctoral scholar Derrick Rossi said in a prepared statement. The researchers said this finding could lead to ways to improve immune function or prevent leukemia in older people. More information The Alliance for Aging Research has more about aging. For the latest health news & Health-Life Services like tools, calculators, & a physician locator, go to www.healthday.com. New! Sign up for local CML support group meetings in your local community at http://cml.meetup.com Apply for Commercial Real Estate loans online and submit your deal to dozens of hungry lenders in just minutes. Loan programs for all types of business and commercial real estate. Apply anytime at http://realestatezoo.com CML (Chronic Myelogenous Leukemia Support List) --------------------------------- Part Of CMLHope.Com An International Community Of CML Patients For more information: http://cmlhope.com Post Message: [email protected] Subscribe: [EMAIL PROTECTED] Unsubscribe: [EMAIL PROTECTED] Change To No Mail/Web: [EMAIL PROTECTED] Change To Digest: [EMAIL PROTECTED] Change To Email: [EMAIL PROTECTED] List Help: [EMAIL PROTECTED] CML Group Web Site http://groups.yahoo.com/group/CML Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/CML/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
