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To understand the extent to which ALD may mimic mitogenic stimulation , we studied cytoplasmic and nuclear signaling steps in ALD -treated T cells .
 cell line: ALD -treated T cells
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: ALD -treated T cells 
Answer:
 cell line: ALD -treated T cells