8958
This repressor is however unlikely to mediate spi 2 . 3 3 ' UTR silencer action since it was not detected in rat hepatocytes .
 spi 2 . 3 3 ' UTR silencer
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 spi 2 . 3 3 ' UTR silencer