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rBPI21 , a recombinant N-terminal fragment of human bactericidal/permeability-increasing protein ( BPI ), inhibited LPS -induced E-selectin expression when added at the same time as, and up to 6 h after, LPS .
 human bactericidal/permeability-increasing protein, rBPI21, recombinant N-terminal fragment, E-selectin, BPI
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 human bactericidal/permeability-increasing protein, rBPI21, recombinant N-terminal fragment, E-selectin, BPI