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In addition, two out of three M10 -expressing CEM clones were also resistant to highly productive infection by a heterogeneous HIV-1 pool .
 protein: M10; cell line: M10 -expressing CEM clones
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: M10; cell line: M10 -expressing CEM clones