Supplementary Table 1 Sequences of the primers used for MS-PCR.
CpG island	Primer Sequence	
IS II _U
	(Sense)    5’- TTTGGTTAATATGTGGAAATTTT -3’
(Antisense)  5’- ACAATCTCAACCTACTACAAACTC-3’	
IS II_M
	(Sense)    5’- GCGGAGTTTTTTTTTTTTTTTTC -3’
(Antisense)  5’- CCGATACGATTCAAACTC -3’	

Supplementary Table 2 Sequences of the primers used for real-time RT-PCR.
Gene	Primer Sequence	
Catalase
	(Sense)    5’- GTTGAGGTGGGTGGATTAT -3’
(Antisense)  5’- AATAACTAAAACTACAAACACCCA -3’	
β-actin 
	(Sense)    5’- TCGAGGTGGGTGGATTAC -3’
(Antisense)  5’- TAACTAAAACTACAAACGCCCG -3’