APOE and cancer: Of the 56 loci that we found associated with plasma protein levels, 46 loci have also been reported to be associated with complex traits and diseases including coronary artery disease (ACE and SELE), stroke (ACE and SELE), various cancers (ACE, CA19-9, CEA, RAGE, and SELE), age-related macular degeneration (ApoE, CFHR1, and CRP), periodontitis (ApoH), multiple sclerosis (BLC and CD40), inflammatory bowel disease (CD40 and ENA78), and Type 2 diabetes (IL13, MCSF, and RAGE) (Table 5; see supplementary results for a complete description).