(89)  Rheumatoid arthritis  Umbilical cord bood  None  Mice  ↓Clinical score  ↑Shift from CD14+CD86+ M1 to CD14+CD206+ M2 macrophages↓NLRP3 inflammasome-mediated IL-1β secretion↓TNF-α↓IL-1β↓Caspase-1↑IL-10