The disclosure provides peptide compositions and immunotherapy compositions comprising an amyloid-beta (Aβ) peptide and a tau peptide. The disclosure also provides methods of treating or effecting prophylaxis of Alzheimer's disease or other diseases with beta-amyloid deposition in a subject, including methods of clearing deposits, inhibiting or reducing aggregation of Aβ and/or tau, blocking the uptake by neurons, clearing amyloid, and inhibiting propagation of tau seeds in a subject having or at risk of developing Alzheimer's disease or other diseases containing tau and/or amyloid-beta accumulations. The methods include administering to such patients the compositions comprising an amyloid-beta (Aβ) peptide and a tau peptide.

The present invention relates to methods and compositions for treating, preventing, and diagnosing Alzheimer's Disease or other tauopathies in a subject by administering an immunogenic tau peptide or an antibody recognizing the immunogenic tau epitope under conditions effective to treat, prevent, or diagnose Alzheimer's Disease or other tauopathies. Also disclosed are methods of promoting clearance of aggregates from the brain of the subject and of slowing progression of tau-pathology related behavioral phenotype in a subject.

The disclosure provides peptide compositions and immunotherapy compositions comprising an amyloid-beta (Aβ) peptide and a tau peptide. The disclosure also provides methods of treating or effecting prophylaxis of Alzheimer's disease or other diseases with beta-amyloid deposition in a subject, including methods of clearing deposits, inhibiting or reducing aggregation of Aβ and/or tau, blocking the uptake by neurons, clearing amyloid, and inhibiting propagation of tau seeds in a subject having or at risk of developing Alzheimer's disease or other diseases containing tau and/or amyloid-beta accumulations. The methods include administering to such patients the compositions comprising an amyloid-beta (Aβ) peptide and a tau peptide.

The present disclosure is directed to individual peptide immunogen constructs targeting portions of the Tau protein for the treatment and/or prevention of tauopathies. The present disclosure is also directed to compositions containing the peptide immunogen constructs, methods of making and using the peptide immunogen constructs, and antibodies produced by the peptide immunogen constructs.

An antigenic peptide comprises the structure X.sub.1-X.sub.2-X.sub.3-X.sub.4-X.sub.5-X.sub.6-X.sub.7-P-X.sub.9-X.sub.10-X.sub.11-X.sub.12 and is derived from amino acids 113-124 of alpha synuclein. Ac-cording to the structure: P is proline; X.sub.1 is L, K, A or S, wherein L is leucine, K is lysine, A is alanine and S is serine; X.sub.2 is E or S, wherein E and S are as defined above; X.sub.3 is D, E, K, N, A or S, wherein N is asparagine, D is aspartic acid and D, E, K, A and S are as defined above; X.sub.4 is M, A, S, L or K, wherein M is methionine and A, S, L and K are as defined above; X.sub.5 is P or A as defined above; X.sub.6 is V, A or S, wherein V is valine and A and S are as defined above; X.sub.7 is D or S as defined above; X.sub.9 is D or A as defined above; X.sub.10 is N, S or A, wherein N, S and A are as defined above; X.sub.11 is E, A or S, wherein E, A and S are as defined above; X.sub.12 is present or not and, if present, is A, K, V, S, or G wherein G is glycine and A, K, V and S are as defined above. The structure comprises at least one mutation compared to the wild type L-E-D-M-P-V-D-P-D-N-E-A sequence. The peptide does not comprise the dipeptide Y-E immediately following X12, wherein Y is tyrosine and E is as defined above. The peptides are conjugated to a suitable carrier and useful in treating synucleinopathies.

The disclosure provides peptide compositions and immunotherapy compositions comprising an amyloid-beta (Aβ) peptide and a tau peptide. The disclosure also provides methods of treating or effecting prophylaxis of Alzheimer's disease or other diseases with beta-amyloid deposition in a subject, including methods of clearing deposits, inhibiting or reducing aggregation of Aβ and/or tau, blocking the uptake by neurons, clearing amyloid, and inhibiting propagation of tau seeds in a subject having or at risk of developing Alzheimer's disease or other diseases containing tau and/or amyloid-beta accumulations. The methods include administering to such patients the compositions comprising an amyloid-beta (Aβ) peptide and a tau peptide.

The invention provides antibodies to tau. The antibodies inhibit or delay tau-associated pathologies and associated symptomatic deterioration.

The present invention relates to cyclized peptides based on amino acids 1-14 of amyloid-beta. The cyclic peptides are useful for inducing an immune response and as vaccines for the treatment of neurodegenerative diseases such as Alzheimer's disease.

The disclosure provides peptide compositions and immunotherapy compositions comprising an amyloid-beta (Aβ) peptide. The disclosure also provides methods of treating or effecting prophylaxis of Alzheimer’s disease or other diseases with beta-amyloid deposition in a subject, including methods of clearing deposits, inhibiting or reducing aggregation of Aβ, blocking the uptake by neurons, and clearing amyloid in a subject having or at risk of developing Alzheimer’s disease or other diseases containing amyloid-beta accumulations. The methods include administering to such patients the compositions comprising an. amyloid-beta (Aβ) peptide.

The disclosure provides peptide compositions and immunotherapy compositions comprising an amyloid-beta (Aβ) peptide and an alpha-synuclein peptide. The disclosure also provides methods of treating or effecting prophylaxis of Alzheimer's disease or other diseases with beta-amyloid deposition in a subject, including methods of clearing deposits, inhibiting or reducing aggregation of Aβ and/or alpha-synuclein, blocking the uptake by neurons, clearing amyloid, and inhibiting propagation of alpha-synuclein seeds in a subject having or at risk of developing Alzheimer's disease or other diseases containing alpha-synuclein and/or amyloid-beta accumulations. The methods include administering to such patients the compositions comprising an amyloid-beta (Aβ) peptide and an alpha-synuclein peptide.