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This never-before-seen eye cell could help restore lost vision

This never-before-seen eye cell could help restore lost vision

This never-before-seen eye cell could help restore lost vision

When transplanted right into the retina of computer mice with an illness comparable to retinitis pigmentosa, the stem cells from the organoids turned into the retinal cells needed to spot and process light signals. These new retinal cells inevitably enhanced the vision of the mice, contrasted with rats that didn’t obtain any transplanted cells. Emily...

‘We can’t answer these questions’: Neuroscientist Kenneth Kosik on whether lab-grown brains will achieve consciousness

‘We can’t answer these questions’: Neuroscientist Kenneth Kosik on whether lab-grown brains will achieve consciousness

And then the big insight, which came from Yoshiki Sasai in Japan and Madeline Lancaster, was to take these neurons that were beginning to differentiate — cells relatively early in development — and put them in a drop of what's called Matrigel — a gel that can be either a liquid or a solid depending on the temperature.