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expert reaction to study attempting to create human/pig chimera embryos using stem cells

Scientists publishing in Cell attempted to make interspecies chimeras – both rat/mouse chimera embryos, and human/pig chimera embryos, and reported both the successes and difficulties they faced. These techniques are of interest because they may advance understanding of the developing embryo, and may in future offer the possibility of growing human tissues in animals for transplants, although this is not yet possible.
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expert encounter with Prof Sir Ian Wilmut, creator of Dolly the sheep

Tuesday 5 July 2016 marks the 20th anniversary of the birth of Dolly the sheep at the Roslin Institute, University of Edinburgh. Dolly was the first mammal cloned from an adult somatic cell and became the world’s most famous sheep. On the day before the anniversary, one of Dolly’s creators (often referred to as the father of Dolly), Prof. Sir Ian Wilmut, came to answer journalists’ questions about Dolly, her creation, his work and the legacy of that work. read more

expert reaction to two studies on stem cells and eyes

Two papers have been published in Nature examining the use of stem cells in eye research. The first reported stimulating the body’s own stem cells in the eye, in rabbits and separately in human infants, to promote regeneration of a surgically removed lens during treatment for cataracts. The second study used induced pluripotent stem cells and reported the ability to grow several types of eye tissue in a dish in a lab. read more

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