11836
To examine transcriptional regulation of the rat eIF4E gene , 2 . 1 kB of the rat eIF4E promoter region was cloned and the contribution of specific elements in regulating transcription was determined in primary cultures of rat cardiocytes and in a murine C ( 2 ) C ( 12 ) myoblast cell line .
 rat eIF4E gene, rat eIF4E promoter region
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 rat eIF4E gene, rat eIF4E promoter region