7499
Monocyte chemotactic activity of boCCL3 isoform 2 was completely desensitized by human CCL3 and CCL5 , partially by CCL7 and not by CCL2 .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None