2041
Addition of zinc , known to antagonize Cd toxicity by increasing metallothionein , had no effect on Cd - stimulated nuclear translocation of Trx1 and NF - kappa B activation .
 Chemical: zinc; Chemical: Cd; Chemical: Cd
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: zinc; Chemical: Cd; Chemical: Cd