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Stimulation of T lymphocytes through their antigen receptor leads to the appearance of several transcription factors , including NF-AT and NF-kappa B , which are involved in regulating genes required for immunologic activation.
 protein: NF-kappa B; protein: antigen receptor; protein: transcription factors; cell type: T lymphocytes; protein: NF-AT
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; protein: antigen receptor; protein: transcription factors; cell type: T lymphocytes; protein: NF-AT