Positive Samples: 22Rv1, Raji, U-251MG, Mouse lung, Mouse brain, Mouse spleen, Rat lung, Rat brain Immunogen sequence: RFQKANCSAT SDAICGDCLP GFYRKTKLVG FQDMECVPCG DPPPPYEPHC ASKVNLVKIA STASSPRDTA LAAVICSALA TVLLALLILC VIYCKRQFME K. Tumor necrosis factor