5237
Conversely , activation of Oct - 3 / 4 promoter by RAR : RXR heterodimers was completely abolished by EAR - 3 / COUP - TFI and by ARP - 1 / COUP - TFII .
 Oct - 3 / 4 promoter, RAR, RXR heterodimers, EAR - 3, COUP - TFI, ARP - 1, COUP - TFII
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 Oct - 3 / 4 promoter, RAR, RXR heterodimers, EAR - 3, COUP - TFI, ARP - 1, COUP - TFII