13165
Here, we studied whether PPARalpha activation (by means of the selective agonist WY 14,643 ) of endothelial cells , pivotal in the regulation of inflammatory responses, interfered with LTB4 induced adhesion of PMN neutrophil granulocytes in vitro.
 PPARalpha, PMN neutrophil granulocytes, endothelial cells
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:
 PPARalpha, PMN neutrophil granulocytes, endothelial cells