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Flow cytometry showed that L-selectin was expressed on fresh ATL cells along with other activation antigens .
 protein: L-selectin; protein: activation antigens; cell line: ATL cells
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: L-selectin; protein: activation antigens; cell line: ATL cells