IL1B and rheumatoid arthritis: +IL-1a, IL-1b [2], LPS [2], nerve injury or inflammation (CCI, DMM, OA, microinjury at ligament flavum, monosodium urate), human disorder (FM, RA, intervertebral disc degeneration, degenerative lumbar spondylolisthesis, TMJ meniscus tears), infection (Candida albicans)