Table 1 The sequence of the primers and PCR–RFLP products characteristics

rs2228570

F: 5'-AGCTGGCCCTGGCACTGACTCTGGCTCT-3'

C˚60

BseG I

CC: 267 bp

R: 5'-ATGGAAACACCTTGCTTCTTCTCCCTC-3'

CT: 267 + 204 + 63 bp

TT: 204 + 63 bp

rs3782905

F: 5'-AAGACATGGTGTCTGCTTCA-3'

56.0˚C

HpyF3 I

CC: 223 + 81 bp

CG: 304 + 223 + 81 bp

R: 5'-GGTTAGATCGATATGTTTGA-3'

GG: 304 bp

rs7041

F: 5'-AAATAATGAGCAAATGAAAGAAGAC-3'

56.0˚C

BsuR I

TT: 482 bp

TG: 482 + 298 + 184 bp

R: 5'-CAATAACAGCAAAGAAATGAGTAGA-3'

GG: 298 + 184 bp

rs11568820

F1: 5'-AGGATAGAGAAAATAATAGAAAACATT-3'

45.0˚C

GG: 297 + 110 bp

R1: 5'-AACCCATAATAAGAAATAAGTTTTTAC-3'

GA: 297 + 235 + 110 bp

F2: 5'-TCCTGAGTAAACTAGGTCACAA-3'

AA: 297 + 235 bp

R2: 5'-ACGTTAAGTTCAGAAAGATTAATTC-3'