17273
The treatment of mice with Fe - NTA alone enhances ornithine decarboxylase activity to 4 . 6 folds , protein carbonyl formation increased up to 2 . 9 folds and DNA synthesis expressed in terms of [ ( 3 ) H ] thymidine incorporation increased to 3 . 2 folds , and antioxidants and antioxidant enzymes decreased to 1 . 8 - 2 . 5 folds , compared with the corresponding saline - treated controls .
 Chemical: Fe - NTA; Chemical: ornithine; Chemical: carbonyl; Chemical: [ ( 3 ) H ] thymidine
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: Fe - NTA; Chemical: ornithine; Chemical: carbonyl; Chemical: [ ( 3 ) H ] thymidine