Table 1 summarises the association results for the candidate SNPs identified from previously published GWAS in psychiatric conditions (schizophrenia,15 bipolar affective disorder16, 17, 18 and major depressive disorder19 and in prion disease).10 The SNP implicated by the prion disease GWAS is PRNP codon 129. The gene discussed is PRNP; the disease is prion disease.