title: Alzheimer's disease: finding the missing link.
mesh_terms: D000544:Alzheimer Disease / Q000201:enzymology / Q000235:genetics / Q000517:prevention & control*; D053829:Amyloid Precursor Protein Secretases; D016229:Amyloid beta-Peptides / Q000378:metabolism; D016564:Amyloid beta-Protein Precursor / Q000378:metabolism; D000818:Animals; D016282:Aspartic Acid Endopeptidases; D010450:Endopeptidases / Q000737:chemistry / Q000235:genetics / Q000378:metabolism; D006801:Humans; D008565:Membrane Proteins / Q000737:chemistry / Q000235:genetics* / Q000378:metabolism; D051379:Mice; D053764:Presenilin-1; D053766:Presenilin-2