Abstract: Provided herein are polypeptides that bind to a transferrin receptor, methods of generating such polypeptides, and methods of using the polypeptides to target a composition to a transferrin receptor-expressing cell.

Abstract: The present invention provides engineered acid alpha-glucosidase (GAA) polypeptides and compositions thereof. In some embodiments, the engineered GAA polypeptides have been optimized to provide increased expression, stability at neutral pH, and activity in cell lysates. The invention also provides methods for utilization of the compositions comprising the engineered GAA polypeptides for therapeutic and other purposes.

Abstract: The present disclosure encompasses compositions and methods for effectively treating at least one symptom or sign of Aß plaque or cerebral amyloid angiopathy (CAA) associated symptoms, or for decreasing amyloid plaque load or CAA load. The method comprises administering an effective amount of an anti-ApoE antibody to a mammalian subject, such as to a human.

Abstract: Provided herein are polypeptides that bind to a transferrin receptor, methods of generating such polypeptides, and methods of using the polypeptides to target a composition to a transferrin receptor-expressing cell.

Abstract: Provided herein are polypeptides that bind to a transferrin receptor, Fc dimers and fusion proteins comprising such polypeptides, and methods of using the polypeptides to target a composition to a transferrin receptor-expressing cell.

Abstract: The present disclosure relates to methods of expressing recombinant neprosin polypeptide, host cells and expression vectors for expressing the recombinant neprosin polypeptide, and methods of using the expressed neprosin polypeptide for therapeutic and other purposes.

Abstract: Provided herein are polypeptides that bind to a transferrin receptor, methods of generating such polypeptides, and methods of using the polypeptides to target a composition to a transferrin receptor-expressing cell.

Abstract: Provided herein are fusion proteins that comprise an enzyme replacement therapy enzyme and an Fc region, as well as methods of using such proteins to treat a lysosomal storage disorder. Methods for transporting agents across the blood-brain barrier are also provided herein.

Abstract: Provided herein are methods for transporting agents across the blood brain barrier. In some embodiments, the agents bind to therapeutic targets for the treatment of neurodegenerative diseases. As described herein, the agents are linked to proteins that bind to a transferrin receptor.

Abstract: The present disclosure provides recombinant factor VIII polypeptides, polynucleotides encoding the recombinant factor VIII polypeptides, and compositions thereof, wherein the recombinant factor VIII polypeptides have been engineered to provide improved expression, activity/potency, clotting activity/potency, serum/plasma stability, and/or reduced immunogenicity. The present disclosure also relates to the use of the compositions comprising the recombinant factor VIII polypeptides or polynucleotides encoding the recombinant factor VIII polypeptides for therapeutic purposes.

Abstract: Provided herein are polypeptides that bind to a transferrin receptor, methods of generating such polypeptides, and methods of using the polypeptides to target a composition to a transferrin receptor-expressing cell.

Abstract: In one aspect, antibodies that specifically bind to a human BACE1 protein are provided herein. In some embodiments, the antibodies contain modifications that reduce effector function, extend serum stability or serum half-life, or promote heterodimerization. In other aspects, bispecific antibodies and pharmaceutical compositions comprising antibodies that bind to human BACE1 protein are provided herein. Methods for inhibiting amyloid-? formation and/or aggregation, inhibiting amyloid plaque formation, and treating neurodegenerative diseases are also provided herein.

Abstract: The present disclosure provides engineered oxalate decarboxylase (ODC) polypeptides and compositions thereof, as well as polynucleotides encoding the engineered oxalate decarboxylase polypeptides. The present disclosure also provides methods of using the engineered enzymes and compositions thereof for treating diseases or conditions associated with abnormal metabolism of oxalate.

Abstract: The present invention provides engineered leucine decarboxylase (LDC) polypeptides and compositions thereof, as well as polynucleotides encoding the engineered leucine decarboxylase polypeptides. In some embodiments, the engineered leucine decarboxylase polypeptides display enhanced catalytic activity, as well as reduced sensitivity to proteolysis, and/or increased tolerance to low pH environments. In some embodiments, the engineered leucine decarboxylase polypeptides are optimized to provide improved storage stability. The present invention also provides methods for the use of the compositions comprising the engineered leucine decarboxylase polypeptides for therapeutic and industrial purposes.

Abstract: Provided herein are polypeptides that bind to a transferrin receptor, methods of generating such polypeptides, and methods of using the polypeptides to target a composition to a transferrin receptor-expressing cell.

Abstract: In some aspects, the present invention provides chimeric transferrin receptor (TfR) polynucleotides and polypeptides. In other aspects, this invention provides chimeric TfR transgenic animal models and methods of using the animal models to identify therapeutics that can cross the blood-brain barrier.

Abstract: In one aspect, antibodies that specifically bind to a human alpha-synuclein protein are provided. In some embodiments, an anti-alpha-synuclein antibody binds to monomeric human alpha-synuclein protein, oligomeric human alpha-synuclein protein, soluble human alpha-synuclein protein, human alpha-synuclein protein fibrils, and human alpha-synuclein protein that is phosphorylated at Ser129 (pSer129) with high affinity. In some embodiments, an anti-alpha-synuclein antibody can specifically bind to or immunodeplete alpha-synuclein protein. In some embodiments, an anti-alpha-synuclein antibody can prevent or inhibit alpha-synuclein seeding.

Abstract: The present disclosure encompasses compositions and methods for effectively treating at least one symptom or sign of Aß plaque or cerebral amyloid angiopathy (CAA) associated symptoms, or for decreasing amyloid plaque load or CAA load. The method comprises administering an effective amount of an anti-ApoE antibody to a mammalian subject, such as to a human.

Abstract: In one aspect, antibodies that specifically bind to a human Tau protein are provided. In some embodiments, an anti-Tau antibody recognizes an epitope within residues 111-125 of full-length human Tau, an epitope within residues 251-270 and/or residues 346-360 of full-length human Tau, or an epitope within residues 186-205 of full-length human Tau. In some embodiments, an anti-Tau antibody specifically binds to phosphorylated human Tau, unphosphorylated human Tau, and/or multiple splice isoforms of human Tau. An anti-Tau antibody disclosed herein may also include one or two modified Fc polypeptides.

Abstract: In one aspect, antibodies that specifically bind to a human triggering receptor expressed on myeloid cells 2 (TREM2) protein are provided. In some embodiments, the antibody decreases levels of soluble TREM2 (sTREM2). In some embodiments, the antibody enhances TREM2 activity.