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To investigate the possibility that this regulatory connection contributes to Myb ' s oncogenicity , we expressed a dominant negative Myb in the myeloid leukemic cell line RI - 4 - 11 .
 Anatomy: myeloid leukemic cell line RI - 4 - 11
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
 Anatomy: myeloid leukemic cell line RI - 4 - 11