I think this is the original paper: https://onlinelibrary.wiley.com/doi/10.1111/acel.70751
It means a cure all for all brain diseases such as ALS, Alzheimer's, Parkinson.. And other organs too like heart or kidneys..
Just WOW.. This is a massive thing.. Kudos to the scientists that have achieved this. Be faster in executing and make it into a treatment before the world copies and you are left behind.