APBA1 and Alzheimer disease: Interestingly, 9 out of the top 30 genes have been implicated in the pathophysiology of AD (Fgf1, Slc30a4, Npas4, Cxcl1, Jdp2, Nts, Mmp10, Orai2 and Tomm34), while an additional 5 genes are linked to amyloid beta (Aβ) metabolism (Mmp13, Mmp12, Slc2a13, Igf1r and Apba1).