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Cows cloned from old cells show youthful aging signs
Massachusetts scientists report six cloned cows whose cells appear as young as newborn calves, despite deriving from aged cells. Researchers say aging could be rewound in cloning, opening potential for tissue replacement but warn against overstatement. Experts note cows’ typical lifespans and limit of cell divisions temper enthusiasm.
MENTIONED IN THIS ARTICLE
Iowa
Robert Lanza
Worcester, Mass
Advanced Cell Technologies
Washington
Massachusetts
Dolly
Science
Thoru Pederson
University of Massachusetts Medical School
Jerry Shay
University of Texas Southwestern Medical Center
Shay