[tialaramex]

The article indicates they don't know. "it is not yet clear whether it will persist life-long, and extended follow-up is needed" - So they can be optimistic without knowing for sure because they don't have a bunch of kids they treated say ten years ago to check on. It seems like this might stick, they hope it will, they can't know yet.

One of my friends gave his wife a kidney which allowed her to get off dialysis, so yeah, thanks to anybody who is willing to do this for someone they don't even know.