Table 1. Sequence of primers used for RT-PCR.

Gene	Sequence of primer (5′-3′)
	Forward	Reverse
Dnmt1	GGAAGGCTACCTGGCTAAAGTCAAG	ACTGAAAGGGTGTCACTGTCCGAC
Dnmt3a	TTCTTGAGTCTAACCCCGTGATG	CTTGCAGCTCCAGCTTATCATTC
Dnmt3b	AGTGACCAGTCCTCAGACACGAAG	ATCAGAGCCATTCCCATCATCTAC
Mbd2	CTGGCAAGATACCTGGGAAA	TTCCGGAGTCTCTGCTTGTT
Gadph	TGCACCACCAACTGCTTA	GGATGCAGGGATGATGTTC