12019
In this report this technique was applied to human breast carcinoma MDA - MB231 cells overexpressing human MPG in order to assess whether up - regulation of the initial step in BER alters the activity of selected other BER ( hOGG1 and APE / ref - 1 ) or direct reversal ( MGMT ) repair activities .
 human MPG, hOGG1, APE, ref - 1, MGMT
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 human MPG, hOGG1, APE, ref - 1, MGMT