28983
The aims of this study were ( i ) to observe the expression of ATR , WWOX and FHIT proteins in urothelial carcinoma ( UC ) between endemic and non - endemic areas of blackfoot disease ( BFD ) by immunohistochemical analyses ; ( ii ) to compare expression of these genes between arsenite - treated SV - HUC - 1 human epithelial cells and rat uroepithelial cells ; and ( iii ) to determine the role of DNMT and MEK inhibitors on expressions of WWOX and FHIT in response to arsenite in SV - HUC - 1 .
 Chemical: arsenite; Chemical: arsenite
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: arsenite; Chemical: arsenite