6294
Expression of the class A macrophage scavenger receptor ( MSR ) contributes to the uptake of modified low density lipoproteins ( LDL ) by macrophages and transformation of these cells into lipid-laden foam cells , which characterize atherosclerosis .
 protein: modified low density lipoproteins ( LDL ); protein: class A macrophage scavenger receptor ( MSR ); protein: MSR; cell type: lipid-laden foam cells; cell type: macrophages; protein: LDL
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: modified low density lipoproteins ( LDL ), class A macrophage scavenger receptor ( MSR ), MSR, lipid-laden foam cells, macrophages, LDL 
Answer:
 protein: modified low density lipoproteins ( LDL ); protein: class A macrophage scavenger receptor ( MSR ); protein: MSR; cell type: lipid-laden foam cells; cell type: macrophages; protein: LDL