Soluble Fas and the −670 Polymorphism of Fas in Lupus Nephritis

Figure 1

Electrophoresis of PCR products in patients and controls. The polymorphic fragments A/A resulted in a 232 bp band, the G/G fragment resulted in a 188 bp band, and the A/G variation resulted in a doublet of the 188 bp and 232 bp bands on a 2% agarose gel.