New method generates stem cells safely from mice

Oct. 9, 2008

WASHINGTON (Reuters) - Japanese researchers who invented a way to make powerful stem cells out of ordinary cells say they have now found a safer way to do it.

Exercise may help keep brain young

TAINAN CITY, Taiwan, Nov. 19 (UPI) -- In a study in mice, exercise was found to reverse the age-related decline in the production of neural stem cells in the brain, scientists in Taiwan said.

Stem cell use studied for Parkinson's

EDINBURGH, Scotland, Nov. 4 (UPI) -- Researchers at Edinburgh University in Scotland are working on ways to use embryonic stem cells in treatments for Parkinson's Disease.

Link between mitochondria and tumors found

BETHESDA, Md., Oct. 14 (UPI) -- U.S. scientists say they have discovered a link between stem cell potency and the metabolic rate of their mitochondria.

Early pregnancy, breast cancer link mulled

HOUSTON, Sept. 25 (UPI) -- U.S. scientists say they have made a discovery that might explain why women having an early pregnancy also have a lower incidence of breast cancer.

Muscle stem cell identity confirmed

STANFORD, Calif., Sept. 22 (UPI) -- U.S. scientists say they're the first to confirm that so-called satellite cells in muscle fibers harbor a stem cell that can repair skeletal muscle in mice.

Protein found to control blood cell growth

PHILADELPHIA, Aug. 14 (UPI) -- U.S. medical scientists say they have discovered a specific protein signals stem cells in the bone marrow of mice to reproduce and remain at rest.

Protein's role in stem cells fate studied

BALTIMORE, July 22 (UPI) -- Notch protein in human embryonic stem cells helps cells "decide" their own fate, which may be useful in stem cell therapy development, U.S. researchers said.

Stem cells may help repair MD muscles

BOSTON, July 11 (UPI) -- Transplanted muscle stem cells can improve muscle function in animals with a form of muscular dystrophy, Boston researchers said.

Mouse embryonic stem cells build a heart

ST. LOUIS, July 8 (UPI) -- U.S. researchers have shown mouse embryonic stem cells can build the heart, thereby moving science closer to heart disease treatments using human stem cells.

Scientists find new recipe for stem cells

MUNSTER, Germany, June 29 (UPI) -- German developmental biologists say they have found a simpler recipe for creating safer stem cells to be used on people with genetic diseases.

Adult stem cells may help fracture healing

CHAPEL HILL, N.C., June 18 (UPI) -- In a study in mice, adult stem cells improved healing of fractured bones, U.S. researchers said.

Stem cells replace damaged mouse tissue

BERKELEY, Calif., June 17 (UPI) -- U.S. scientists say they have successfully used stem cells to repair and replace damaged tissue in mice.

Organs can have multiple stem cell types

SALT LAKE CITY, June 9 (UPI) -- A U.S. scientist says an organ can contain more than one type of adult stem cell, complicating prospects for using the cells to treat disease.

Adult stem cells safe in gene therapy

DAVIS, Calif., May 8 (UPI) -- Human bone marrow-derived stem cells used in gene therapy do not cause the development of tumors or leukemia, U.S. researchers said.

Study: New abundant source of stem cells

PITTSBURGH, April 24 (UPI) -- U.S. researchers say they have identified a potentially unlimited, non-controversial, easily collectible and cheap source of stem cells -- menstrual blood.