World-first therapy using donor cells sends autoimmune diseases into remission - https://news.ycombinator.com/item?id=41751568 (October 2024, 51 comments)
Can autoimmune diseases be cured? Scientists see hope at last - https://news.ycombinator.com/item?id=39116387 (February 2024, 72 comments)
Whether CAR T will help stop the degradation is a separate question.
On my daughter it may save her a lot of trouble she's only 14.