SERPINF2 and Alzheimer disease: Additionally, numerous proteins including alpha 2-antiplamin (A2AP), alpha 1-antichymotrypsin (AACT), complement C1r (C1R), complement factor B (CFAB), complement component 4 A (CO4A) were strongly associated with AD and FA in the middle cerebellar peduncle in controls, but not in the MA or MAP groups.