3376
Compared with sedentary obese rats , treadmill running showed decreased body weight and elevated mRNA expression of IL - 15 in muscle and elevated IL - 15 - ir level in plasma and muscle .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None