Patent ID: 8785391

Claim:
A method for therapeutically treating or delaying the progression of a condition selected from the group consisting of Alzheimer's disease, familial Danish dementia and familial British dementia in a mammal in need thereof, the method comprising administering to said mammal a therapeutically effective amount of an isolated protein, wherein the isolated protein decreases or reduces amyloid fibril formation and aggregation of amyloid β peptide, and wherein the isolated protein is selected from the group consisting of proteins comprising an amino acid sequence having at least 70% identity to residues 90-236 of Bri2 from human (SEQ ID NO: 2); and proteins comprising an amino acid sequence having at least 70% identity to any one of the Brichos domains of Bri2 from human (SEQ ID NO: 5), chimpanzee (SEQ ID NO: 6), bovine (SEQ ID NO: 7), pig (SEQ ID NO: 8), mouse (SEQ ID NO: 9) and rat (SEQ ID NO: 10); with the provisos that said protein is not comprising an amino acid sequence having at least 70% identity to residues 1-89 of Bri2 from human (SEQ ID NO: 3); and said protein is not comprising an amino acid sequence having at least 70% identity to human ABri23 (SEQ ID NO: 4).