Genetic Engineering Publications - GEG Tech top picks
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Stem Cells Treat Macular Degeneration

Stem Cells Treat Macular Degeneration | Genetic Engineering Publications - GEG Tech top picks | Scoop.it
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Researchers helped develop a specially engineered retinal patch to treat people with sudden, severe sight loss.
The results of this groundbreaking clinical study, published in Nature Biotechnology, describe the effective implantation of a specially engineered patch of retinal pigment epithelium cells derived from stem cells to treat people with sudden severe sight loss from wet AMD -- the form that afflicted Waters. This is the first description of a completely engineered tissue that has been successfully used in this way.
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Treatment of Macular Degeneration Using Embryonic Stem Cell-Derived Retinal Pigment Epithelium: Preliminary Results in Asian Patients - Stem Cell Reports

Treatment of Macular Degeneration Using Embryonic Stem Cell-Derived Retinal Pigment Epithelium: Preliminary Results in Asian Patients - Stem Cell Reports | Genetic Engineering Publications - GEG Tech top picks | Scoop.it
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The scientists report the results of subretinal transplantation of human embryonic-stem-cell (hESC)-derived retinal pigment epithelium in four Asian patients: two with dry age-related macular degeneration and two with Stargardt macular dystrophy. They were followed for 1 year. There was no evidence of adverse proliferation, tumorigenicity, ectopic tissue formation, or other serious safety issues related to the transplanted cells. Visual acuity improved 9–19 letters in three patients and remained stable (+1 letter) in one patient. The results confirmed that hESC-derived cells could serve as a potentially safe new source for regenerative medicine.


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