8605
Canonical microdomain association of Stx GSL receptors , sphingomyelin , and cholesterol in membranes of Raji and THP - 1 cells was assessed by comparative analysis of detergent - resistant membrane ( DRM ) and nonDRM fractions obtained by density gradient centrifugation and showed high correlation based on nonparametric statistical analysis .
 Chemical: sphingomyelin; 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: sphingomyelin; Chemical: cholesterol