13043
Results confirmed that YR - 11 peptide inhibited pro - inflammatory cytokines in the sera and hind paw tissues of AIA rats through its suppressive effect on RANKL induced nuclear translocation of NF - kappa B .
 YR - 11
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 YR - 11