NOD2 and Crohn disease: For instance, the ATACseq peak chr16-50,684,843–50,685,984, upstream of NOD2, contains a NOD2 eQTL (rs9302752) in whole blood, liver, tibial nerve, spleen and brain based on data from GTEx12 that is also associated with leprosy and Crohn’s disease by GWAS (Fig. 1B)13.