Upregulated PD-1 Expression Is Associated with the Development of Systemic Lupus Erythematosus, but Not the PD-1.1 Allele of the PDCD1 Gene

Table 1

Primers of SNP PD-1.1 used for sequencing.

Maker name	SNP	rs number	Location	PCR primers
PD-1.1	−538 G/A	rs36084323	promoter	Forward: 5′-CCCGTCAGGCTGTTGCA-3′
				Reverse: 5′-CCCTCTTCCTCCACATCCAC-3′

SNP: single nucleotide polymorphism; PCR: polymerase chain reaction.