8296
In conclusion , the Lys27Gln substitution does not significantly modulate CDA activity toward dFdC , and therefore would not contribute to interindividual variability in response to gemcitabine .
 dFdC, gemcitabine
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 dFdC, gemcitabine