Welcome to This is MS, the leading forum for Multiple Sclerosis research and support. Join our friendly community of patients, caregivers, and researchers celebrating over 20 years of delivering hope through knowledge.
https://www.thisisms.com/forum/
The gist i got was that they failed with stem cells, but could succeed with cells half way there.....Previous attempts to achieve the same result using undifferentiated stem cells which have not yet acquired a specific function failed......
....Research suggests that human embryonic stem cells could be coaxed to become photoreceptor precursors. However the scientists believe a better approach might be to grow the precursors from adult stem cell-like cells found at the margins of the retina. These could then be transplanted into patients.....