1925
PDTC or N-acetylcysteine dose dependently reduced TNF-induced VCAM-1 but not ICAM-1 surface protein (also in human umbilical arterial endothelial cells ) and mRNA expression (by 70% at 100 mumol/L PDTC ) in HUVECs as assessed by flow cytometry and polymerase chain reaction .
 cell type: human umbilical arterial endothelial cells; cell line: HUVECs; protein: VCAM-1; cell type: endothelial cells; protein: ICAM-1; protein: TNF-induced VCAM-1; protein: ICAM-1 surface protein
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: human umbilical arterial endothelial cells, HUVECs, VCAM-1, endothelial cells, ICAM-1, TNF-induced VCAM-1, ICAM-1 surface protein 
Answer:
 cell type: human umbilical arterial endothelial cells; cell line: HUVECs; protein: VCAM-1; cell type: endothelial cells; protein: ICAM-1; protein: TNF-induced VCAM-1; protein: ICAM-1 surface protein