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We have previously shown that prolonged treatment of the untransformed T cell clone Ar-5 with phorbol esters results in downmodulation of the alpha and beta isozymes of PKC , and abrogates induction of IL-2 mRNA and protein .
 protein: PKC; RNA: IL-2 mRNA; protein: protein; cell line: T cell clone Ar-5
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: PKC; RNA: IL-2 mRNA; protein: protein; cell line: T cell clone Ar-5