20230
Niemann - Pick type C1 ( NPC1 ) is a polytopic endosomal membrane protein required for efflux of LDL - derived cholesterol from endosomes , and mutations of this protein are associated with Niemann - Pick disease type C , a fatal neurodegenerative disease .
 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