320
Moreover , we found that HMGB1 is involved in several autocrine and / or paracrine feedback mechanisms resulting in positive enforcement of HMGB1 expression , and that of its receptors , RAGE ( receptor for advanced glycation end products ) and Toll - like receptor 4 ( TLR4 ) .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None