Tumor Necrosis Factor-alpha (TNFa) solution (100x) is a ready-to-use 100x stock solution formulated for use with our transcription factor (TF) luciferase reporter assays. Simply dilute to 1:100 in complete growth media and use directly as a pathway-specific positive control. Tumor Necrosis Factor-alpha (TNFa) solution (100x) has been validated with our cell lines and is suitable for the following pathways: NFkB