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Since salicylates have been reported to inhibit NF-kappa B activation by preventing the degradation of its inhibitor I kappa B , we studied a potential inhibition of this pathway by acetylsalicylate ( aspirin ) in human umbilical vein endothelial cells ( HUVECs ).
 protein: I kappa B; cell line: HUVECs; cell line: human umbilical vein endothelial cells; protein: NF-kappa B
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: I kappa B, HUVECs, human umbilical vein endothelial cells, NF-kappa B 
Answer:
 protein: I kappa B; cell line: HUVECs; cell line: human umbilical vein endothelial cells; protein: NF-kappa B