Japanese researchers Friday conducted the world's first surgery to implant "iPS" stem cells in a human body in a major boost to regenerative medicine, two institutions involved said. A female patient in her 70s with age-related macular degeneration (AMD), a common medical condition that can lead to blindness in older people, had a sheet of retina cells that had been created from iPS cells implanted. "It is the first time in the world that iPS cells have been transplanted into a human body," a spokeswoman for Riken, one of the research institutions, told AFP. The research team used induced Pluripotent Stem (iPS) cells -- which have the potential to develop into any cell in the body -- that had originally come from the skin of the patient.
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