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A pioneering treatment for progressive blindness has been proved safe three years after patients were injected with stem cells derived from human embryos, a study has found.
More than half of the patients with macular degeneration – where the eye’s light-sensitive cells are progressively destroyed – experienced a significant improvement in their eyesight, but none showed any adverse effects due directly to the transplant of the embryonic cells, scientists said.
Doctors injected the stem cells into the eyes of 18 patients – nine with Stargardt’s macular dystrophy and nine with dry, age-related macular degeneration – with the ultimate aim of repairing damaged photoreceptors in the retina at the back of the eye.
http://www.independent.co.uk/news/s...tients--and-with-no-side-effects-9794301.html
More than half of the patients with macular degeneration – where the eye’s light-sensitive cells are progressively destroyed – experienced a significant improvement in their eyesight, but none showed any adverse effects due directly to the transplant of the embryonic cells, scientists said.
Doctors injected the stem cells into the eyes of 18 patients – nine with Stargardt’s macular dystrophy and nine with dry, age-related macular degeneration – with the ultimate aim of repairing damaged photoreceptors in the retina at the back of the eye.
http://www.independent.co.uk/news/s...tients--and-with-no-side-effects-9794301.html