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( 2013 ) now demonstrate that in aged macrophages decreased ABCA1 expression , regulated by liver X receptor and miR - 33 , impairs export of intracellular cholesterol , which promotes neovascular AMD .
 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