8143
We found that in human umbilical vein endothelial cells ( HUVEC ), CoCl2 at 2 mM concentration induced the surface expression of a subset of CAMs ( VCAM-1 ) and activation of transcription factor NF-kappaB in the nuclear extracts of HUVEC .
 NF-kappaB, VCAM-1, HUVEC, CAMs, human umbilical vein endothelial cells, transcription factor, HUVEC
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:
 NF-kappaB, VCAM-1, HUVEC, CAMs, human umbilical vein endothelial cells, transcription factor, HUVEC