2689
In this study , to elucidate the possible mechanism of action of EM , we examined the effect of the drug on the expression of neutrophil adhesion molecules such as L - selectin and Mac - 1 .
 GENE: L - selectin; GENE: Mac - 1
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: L - selectin; GENE: Mac - 1