8917
In these cells , ras - induced transition is accompanied by a strong induction of AP - 1 - binding activity along with increased expression of CD44 mRNA and protein .
 ras, AP - 1, CD44 mRNA
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 ras, AP - 1, CD44 mRNA