XRCC1 Arg399Gln and Arg194Trp Polymorphisms and Risk of Systemic Lupus Erythematosus in an Iranian Population: A Pilot Study

Table 1

Designed primers for tetraprimer ARMS-PCR reactions, annealing temperature, and fragments sizes.

SNP	Primer sequence	Annealing temperature (°C)	Fragments length
XRCC1 Arg194Trp rs1799782	FO: 5′-CGTCCCAGGTAAGCTGTAC-3′; RO: 5′-CACTCCTATCTATGGGACACAG-3′; FI: 5′-CGGGGGCTCTCTTCTTCATCC-3′; RI: 5′-CACCTGGGGATGTCTTGTTGATACA-3′	63	Outer: 471; Arg: 297; Trp: 219
XRCC1 Arg399Gln rs25487	FO: 5′-ACCAGCTGTGCCTTTGCCAACACC-3′; RO: 5′-CTGGAGTACCCCAGCCCCTGCC-3′; FI: 5′-GTCGGCGGCTGCCCTCACA-3′; RI: 5′-TGGCGTGTGAGGCCTTACCACC-3′	68	Outer: 283; Arg: 183; Gln: 140