1346
Furthermore, retinoic acid receptor ( RAR ) alpha is able to inhibit in vitro the formation of the complex between the nuclear AP-1 /OAP and its specific binding site, resulting in the interference with Oct-2 -dependent cis-regulatory function of this AP-1 element.
 Oct-2, AP-1, AP-1, RAR, /OAP, retinoic acid receptor
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:
 Oct-2, AP-1, AP-1, RAR, /OAP, retinoic acid receptor