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CEM-C7 , a human leukemic CD4+ T-lymphocyte cell line and three of its subclones, CEM-4R4 , CEM-3R43 , and ICR-27 , previously cultured in a medium supplemented with 5 to 10% fetal bovine serum , have been adapted to serum-free media .
 cell line: ICR-27; cell line: CEM-3R43; cell line: CEM-4R4; cell line: human leukemic CD4+ T-lymphocyte cell line; cell line: CEM-C7
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:
 cell line: ICR-27; cell line: CEM-3R43; cell line: CEM-4R4; cell line: human leukemic CD4+ T-lymphocyte cell line; cell line: CEM-C7