Table 1.

Primers sequences and enzymes used for the investigated polymorphisms.

Gene polymorphism	Primers	Restriction endonuclease
IL-10 -1082 G/A	Fw 5′-CACTACTAAGGCTTCCTTGGGA-3′	XagI
	Rev 5′-GTGAGCAAACTGAGGCACAGACAT-3′
TNF-α -308 G/A	Fw 5′-TCCCCAAAAGAAATGGAGGCAATA	NcoI
	GGTTTTGAGGGCCAT-3′
	Rev 5′-GAGACGTCTGCTGGCTGGGTG-3′
IL-6 -174 G/C	Fw 5′-GCC TCA ATG ACG ACC TAA GC-3′	NlaIII
	Rev 5′-TCA TGG GAA AAT CCC ACA TT-3′