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The identification of regulatory proteins , such as transcription factors , as molecular targets for oxidative signalling provides further evidence to implicate oxidative signalling as being intimately involved in the G0 to G1 phase transition in T lymphocytes .
 protein: regulatory proteins; cell type: T lymphocytes; protein: transcription factors
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: regulatory proteins; cell type: T lymphocytes; protein: transcription factors