1443
Cell cholesterol metabolism is a tightly regulated process , dependent in part on activation of nuclear liver X receptors ( LXRs ) to increase expression of genes mediating removal of excess cholesterol from cells in the reverse cholesterol transport pathway .
 Chemical: cholesterol; Chemical: cholesterol; 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; Chemical: cholesterol; Chemical: cholesterol