Research Article

Polymorphisms in DNA Repair Gene XRCC3 and Susceptibility to Breast Cancer in Saudi Females

Table 2

The size of PCR products and fragment generated upon treatment with restriction enzyme for the three SNPs in XRCC3.

XRCC3 SNPPCR product size (bp)RE usedGenotypeFragment sizes (bp) after RE treatment

Thr241Met (rs861539)231NlaIIIC>TCC: 231, 12 bp
CT: 231, 107, 112 & 12 bp
TT: 112, 107 & 12 bp

rs1799794293FokIA>GAA: 100 & 193 bp
AG: 100, 193 & 293 bp
GG: 293 bp

rs1799796650PvuIIA>GAA: 650 bp
AG: 283, 367 & 650 bp
GG: 283 & 376 bp

RE: restriction endonuclease; SNP: single nucleotide polymorphism; PCR: polymerase chain reaction; bp: base pair.