3265
AQP2 and UT - A1 expression was lowered in 6 week lithium - treated WT animals whereas in treated PKCa KO mice , AQP2 was only reduced by 2 - fold and UT - A1 expression was unaffected .
 Chemical: lithium
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: lithium