"0"^^ . "15021560-n"^^ . "0"^^ . . "secretase"@en-us . . . "secretase"^^ . . . . . "115021560"^^ . . . "114169209"@en-us . . . "a set of enzymes believed to snip pieces off a longer protein producing fragments of amyloid protein that bunch up and create amyloid protein plaques in brain tissue (the pathological hallmark of Alzheimer's)"@en-us . .