12809
Expression of an active form of Ras , Ras(G12V) , suppressed the IL-2 -induced beta-casein and OSM gene expression , and the negative effect of Ras is mediated by the region between -105 and -193 in the beta-casein promoter .
 beta-casein promoter, beta-casein, beta-casein, OSM, Ras(G12V), -105 and -193, Ras, Ras, IL-2
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 beta-casein promoter, beta-casein, beta-casein, OSM, Ras(G12V), -105 and -193, Ras, Ras, IL-2