However, lupus patients carrying genotypes GG, GA, AA for rs17409276, TT, CT, CC for rs6695096 had significantly different serum levels of MASP2, by which carrying GA genotype for rs17409276, carrying TT, TC genotype revealed higher expression of MASP2 (Figure 3). The gene discussed is MASP2; the disease is systemic lupus erythematosus.