Susceptibility Loci Shed Light on Fundamental Pathways of Psoriasis Lara C. Pullen, PhD | April 26, 2013 Dr. Pullen is a medical writer based in the Chicago area. Reference Tsoi LC, Spain SL, Knight J, et al. Identification of 15 new psoriasis susceptibility loci highlights the role of innate immunity. Nat Genet. 2012;44:1341-1348. Page: 1 2 | Single Page Share: