1735
Because such a compensatory mechanism most likely occurs to reduce injury to the brain from cytotoxic compounds , the present data substantiate the concept that MRP2 performs a protective role in the BBB .
 injury to the brain
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 injury to the brain