4853
However, synthesis of the 26-kDa membrane form of TNF was effectively blocked by CNI-1493 .
 TNF, 26-kDa membrane form
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:
 TNF, 26-kDa membrane form