5306
We shall also outline the structural features that allow GPR55 to interact with cholesterol and to associate with lipid rafts ; how the latter lipid microdomains impact the biological activity of GPR55 is also addressed , as well as their potential for the discovery of new therapeutics useful for the treatment of those human diseases that might be associated with alterations of GPR55 activity .
 Chemical: cholesterol
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: cholesterol