PPP1R37 and Alzheimer disease: Following that we have PPP1R37 (MTSG P-value: 7.082 × 10-56, single tissue P-value: 7.921 × 10-26) and MARK4 (MTSG P-value: 1.715 × 10-48, single tissue P-value: 5.388 × 10-23), both of which are known AD risk-genes [27].