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The immature CEM T cell line expresses relatively low levels of TCF-1 alpha mRNA , which are increased upon activation of these cells by phorbol esters .
 cell line: immature CEM T cell line; RNA: TCF-1 alpha mRNA; protein: TCF-1 alpha
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:
 cell line: immature CEM T cell line; RNA: TCF-1 alpha mRNA; protein: TCF-1 alpha