sentences:  Notably, aberrant NF-κB activity is strongly associated with many aspects of the pathology of rheumatoid arthritis.Mice injected with wild-type NBD peptide showed only slightly visual signs of paw and joint swelling whereas mice injected with PBS or mutant NBD control peptides developed severe joint inflammation.Additionally, analysis of the number of osteoclasts present in the joints of rheumatoid arthritic showed to be more prevalent in mice treated with PBS or the mutant NBD peptide compared to the NBD wild type peptide.