2099
BACKGROUND & # 38 ; OBJECTIVE : It has been proved that Epstein - Barr virus ( EBV ) latent membrane protein 1 ( EBV - LMP1 ) can induce the expression of matrix metalloproteinase - 9 ( MMP - 9 ) .
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Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
 Entities:  
Answer:
 None