6141
We further found that PSG - 1 increased the expression of TLR4 and NF - kappa B , the degradation of I kappa B alpha and the phosphorylation of p38 MAPK .
 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