SOAT1 and systemic lupus erythematosus: Another review highlights how MSC-exosomes modulate signaling pathways such as JAK/STAT via exosomal miR-146a and miR-125a-3p, enhancing regulatory T-cell expansion, attenuating inflammation, and restoring immune homeostasis in systemic lupus erythematosus (SLE) and ulcerative colitis models [84].