Research Studies with Induced Pluripotent Stem Cells Suggest Opposite Results
May 17, 2011
Two research studies were published this week, about the use of induced pluripotent stem cells (iPSCs) in treating retinal problems, but with opposing results.
In one study, published in Nature, Dr.Yang Xu and his colleagues at the University of California, San Diego, found that iPSCs made from mouse skin cells were rejected by genetically identical mice. This study was just published in Nature. (Similar studies with iPSCs, also published in Nature earlier this year, also showed problems, including genetic and epigenectic abnormalities. See Stem Cells in Ophthalmology Update 5: Gene Defects Common in Induced Stem Cells.)
In the second study, Dr. Brad Tucker and his colleagues at the Schepens Eye Research Institute used iPSCs derived from skin to regenerate large areas of damaged retinas and improve visual function in specially grown degenerative mice. This study was just published in PloS ONE.
To read more, follow this link.
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