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The stem cells formed a sac that then folded in half What’s the News:<\/strong> Give a blob of cells the right environment—lots of nutrients, special chemical signals, and a comfy gel cushion—and they just might grow you a body part. In a feat of bioengineering, scientists at the RIKEN Center for Developmental Biology in Japan have grown a retina from mouse embryonic stem cells. Remarkably, much of the development happened spontaneously, indicating that even undifferentiated cells have a blueprint in mind. Researchers hope the work will someday yield transplantable retinas for people with diseases like retinitis pigmentosa<\/a>.<\/p> “When I received the manuscript, I was stunned, I really was,” commented human molecular geneticist Robin Ali (via Nature News<\/em><\/a>). “I never though I’d see the day where you have recapitulation of development in a dish.”<\/p> How the Heck: <\/strong>Supported by a gel that mimics cells’ natural environment, the stem cells were immersed in a bath of chemicals that directed their growth into retinal cells. Just as in normal embryonic development, over the course of about a week the cells organized themselves into ...<\/p> The stem cells formed a sac that then folded in halfa couple days later (see image above, courtesy of Nature),forming the optic cup.What’s the News: Give a blob of cells the right environment—lots of nutrients, special chemical signals, and a … Continue reading
a couple days later (see image above, courtesy of Nature<\/em>),
forming the optic cup.<\/p><\/a>
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