16541
Notably , in mice receiving 0 . 2 % of both CLA treatments , the mRNA levels of genes associated with browning , including uncoupling protein 1 ( UCP1 ) , UCP1 protein levels , and cytochrome c oxidase activity , were increased in epididymal WAT .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 None