Table 1.

Primer sequences and restriction enzyme for IL-6 gene polymorphism.

SNP locus	Primer sequence	Restriction enzyme	Product size (bp)
IL6 (− 174G/C)	F-5′-ttgtcaagacatgccaagtgct-3′ R-5′-gcctcagagacatctccagtcc-3′	NlaIII	G: 244 + 133 + 11 C: 133 + 111 + 56
IL6 (− 572G/C)	F-5′-ggagacgccttgaagtaactgc-3′ R-5′-gagtttcctctgactccatcgcag-3′	MbiI	G: 102, 61 C:163

SNP, single nucleotide polymorphisms.