tokens: 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 .
folded_tokens: to examine transcriptional regulation of the rat eif4e gene , 2.1 kb of the rat eif4e promoter region be clone and the contribution of specific element in regulate transcription be determine in primary culture of rat cardiocyte and in a murine c ( 2 ) c ( 12 ) myoblast cell line .