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NO also decreased the endothelial expression of other leukocyte adhesion molecules ( E-selectin and to a lesser extent, intercellular adhesion molecule-1 ) and secretable cytokines ( IL-6 and IL-8 ).
 cytokines, E-selectin, IL-8, leukocyte adhesion molecules, intercellular adhesion molecule-1, adhesion molecules, IL-6
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:
 cytokines, E-selectin, IL-8, leukocyte adhesion molecules, intercellular adhesion molecule-1, adhesion molecules, IL-6