4978
RNase protection and primer extension assays confirmed that the 5 ' non - coding exon is included in the DDT1 aFGF mRNA and that a major transcription start site is approximately 136 bp upstream of the 5 ' non - coding splice junction of this exon .
 RNase, aFGF mRNA
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 RNase, aFGF mRNA