2022
Sprague - Dawley male rats ( 200 ~ 250 g ) were subcutaneously injected with gentamicin ( 100 mg / kg per day ) for 7 days , and the expression of tubular transporters was determined by immunoblotting and immunohistochemistry .
 Chemical: gentamicin
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: gentamicin