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In this article, transcriptional regulation of the archetypal T-cell -specific gene , alpha TCR , is discussed.
 DNA: archetypal T-cell -specific gene; DNA: alpha TCR; cell type: T-cell
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:
 DNA: archetypal T-cell -specific gene; DNA: alpha TCR; cell type: T-cell