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The neurospecific cholesterol 24 - hydroxylase converts excess brain cholesterol into 24S - hydroxycholesterol ( 24OHC ) which , via the liver X receptor ( LXR ) , can increase the expression and synthesis of astrocyte ApoE .
 Chemical: cholesterol; Chemical: cholesterol; Chemical: 24S - hydroxycholesterol; Chemical: 24OHC
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; Chemical: cholesterol; Chemical: 24S - hydroxycholesterol; Chemical: 24OHC