7554
In addition , it was observed that H ( 2 ) O ( 2 ) induced translocation of Bax to mitochondria ; however , in the presence of the steroid this effect was abrogated suggesting that members of the Bcl - 2 family may be regulated by E ( 2 ) to exert an antiapoptotic effect .
 Chemical: H ( 2 ) O ( 2 ); Chemical: steroid
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: H ( 2 ) O ( 2 ); Chemical: steroid