Term Name:	Alzheimer's disease 4
Synonyms:	AD4, Alzheimer disease 4, Alzheimer disease, familial4, Alzheimer's disease 4, early onset
Definition:	An Alzheimer's disease that has_material_basis_in a mutation in the presenilin-2 gene (PSEN2) on chromosome 1q42.
Ontology:	Human Disease [DOID:0110040]   ( DOID:0110040 )