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Since both AP-1 and NF-kappa B have been reported to be important in the induction of the tumor necrosis factor-alpha (TNF-alpha) gene we examined the effects of okadaic acid on TNF-alpha mRNA levels .
 protein: NF-kappa B; DNA: tumor necrosis factor-alpha (TNF-alpha) gene; protein: tumor necrosis factor-alpha; RNA: TNF-alpha mRNA; protein: AP-1
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 protein: NF-kappa B; DNA: tumor necrosis factor-alpha (TNF-alpha) gene; protein: tumor necrosis factor-alpha; RNA: TNF-alpha mRNA; protein: AP-1