NFKB1 and rheumatoid arthritis: Transplantation of MSCs improved paw edema, suppressed rheumatoid factor (RF) elevation, enhanced antioxidant capacity, and reduced NF-κB, TLR-2, MMP3, and cartilage oligomeric matrix protein-1 expression levels in a rat model of RA compared to hematopoietic stem cell transplantation or administration of the clinical antirheumatism drug methotrexate (MTX) [115].