LPP and rheumatoid arthritis: The third immune-related SNP, rs191177147 at 3q28 (P=9.8 × 10−17, OR=1.11, logistic regression), resides within an intron of LPP and is in LD with rs1464510 (r2=0.54) and rs9860547 (r2=0.68, Supplementary Table 17); the former is associated with autoimmune diseases such as celiac disease, rheumatoid arthritis, juvenile idiopathic arthritis and vitiligo17, 18, 19, while the latter is associated with allergy20.