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In addition , ethanol induced degradation of DNA methyltransferases ( DNMT - 1 , DNMT - 3a , and DNMT - 3b ) , as well as the methyl CpG - binding proteins ( MeCP - 2 , MBD - 2 and MBD - 3 ) , in MEF cells by the proteasomal pathway .
 Chemical: ethanol; Chemical: methyl CpG
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: ethanol; Chemical: methyl CpG