@marcd2k - Sorry about the link, not sure what happened. It did have this article on the link when I first posted it.
https://www.neurosciencecarolinas.com/back-spine-blog/stem-cell-therapy-let-your-body-heal-itself.
Here's another one from NIH that is similar.
-- Stem cell therapy for degenerative disc disease: Bridging the gap between preclinical promise and clinical potential: https://pmc.ncbi.nlm.nih.gov/articles/PMC10950333/