Abstract: The present invention is directed to PVRIG polypeptides and their uses.

Abstract: Antibodies that bind to programmed cell death protein 1 (PD-1), compositions comprising such antibodies, and methods of making and using such antibodies are disclosed.

Abstract: The present specification discloses a pharmaceutical composition comprising an active agent that causes reduction of the level of systemic immunosuppression in an individual for use in treating a disease, disorder, condition or injury of the CNS. The pharmaceutical composition is administered by a dosage regimen comprising at least one course of therapy, each course of therapy comprising in sequence a treatment session followed by an interval session of non-treatment.

Abstract: Provided are antibodies that specifically bind to Programmed Death-1 (PD1, Pdcd-1, or CD279) and inhibit PD1-mediated cellular signaling and activities in immune cells, antibodies binding to a set of amino acid residues required for its ligand binding, and uses of these antibodies to treat or diagnose cancer, infectious diseases or other pathological disorders modulated by PD1-mediated functions.

Abstract: The invention relates generally to antibodies that specifically bind programmed cell death protein 1 (PD-1), activatable antibodies that specifically bind to PD-1 and methods of making and using these anti-PD-1 antibodies and anti-PD-1 activatable antibodies in a variety of therapeutic, diagnostic and prophylactic indications.

Abstract: B7-H5 costimulatory polypeptides, nucleic acids encoding such polypeptides, and methods for using the polypeptides and nucleic acids to enhance a T cell response are provided herein.

Abstract: Provided herein are B7-H3 antibodies, fragments of such antibodies, and compositions comprising the same. The antibodies, antibody fragments and compositions are useful in a number of analytical methods, including immunohistochemical and immunocytochemical detection and analysis of B7-H3. Also provided herein are isolated peptides, compositions, and fusion proteins containing immunogenic determinants for said B7-H3 antibodies, animals immunized with the peptides and fusion proteins, isolated B cells obtained from the animals, and hybridomas made from the isolated B cells.

Abstract: The present invention provides isolated monoclonal antibodies (e.g., humanized and human monoclonal antibodies) that bind to human Inducible T Cell COStimulator (ICOS) and exhibit therapeutically desirable functional properties, e.g., the ability to stimulate human ICOS activity. Nucleic acid molecules encoding the antibodies of the invention, expression vectors, host cells, and methods for expressing the antibodies of the invention are also provided. Immunoconjugates, bispecific molecules, and pharmaceutical compositions comprising the antibodies of the invention are also provided. The antibodies of the invention can be used, for example, as an agonist to stimulate or enhance an immune response in a subject, e.g., antigen-specific T cell responses against a tumor or viral antigen. The antibodies of the invention can also be used in combination with other antibodies (e.g., PD-1, PD-L1, and/or CTLA-4 antibodies) to treat, for example, cancer.

Abstract: The present application relates to anti-PD-L1 antibodies or antigen binding fragments thereof, nucleic acid encoding the same, therapeutic compositions thereof, and their use to enhance T-cell function to upregulate cell-mediated immune responses and for the treatment of T cell dysfunctional disorders, such as tumor immunity, for the treatment of and cancer.

Abstract: The instant disclosure provides antibodies that specifically bind to human CTLA-4 and antagonize CTLA-4 function. Also provided are pharmaceutical compositions comprising these antibodies, nucleic acids encoding these antibodies, expression vectors and host cells for making these antibodies, and methods of treating a subject using these antibodies.

Abstract: Provided are anti-PD-1 antibodies or fragments thereof. In various example, the antibodies or fragments thereof includes a heavy chain variable region comprising heavy chain complementarity determining regions HCDR1, HCDR2, and HCDR3, and a light chain variable region comprising light chain complementarity determining regions LCDR1, LCDR2, and LCDR3. Methods of using the antibodies or fragments thereof for treating and diagnosing diseases such as cancer, infection or immune disorders are also provided.

Abstract: The instant disclosure provides antibodies that specifically bind to human PD-1 and antagonize PD-1 function. Also provided are pharmaceutical compositions comprising these antibodies, nucleic acids encoding these antibodies, expression vectors and host cells for making these antibodies, and methods of treating a subject using these antibodies.

Abstract: The present invention provides isolated monoclonal antibodies, particularly human monoclonal antibodies, that specifically bind to PD-1 with high affinity. Nucleic acid molecules encoding the antibodies of the invention, expression vectors, host cells and methods for expressing the antibodies of the invention are also provided. Immunoconjugates, bispecific molecules and pharmaceutical compositions comprising the antibodies of the invention are also provided. The invention also provides methods for detecting PD-1, as well as methods for treating various diseases, including cancer and infectious diseases, using anti-PD-1 antibodies. The present invention further provides methods for using a combination immunotherapy, such as the combination of anti-CTLA-4 and anti-PD-1 antibodies, to treat hyperproliferative disease, such as cancer. The invention also provides methods for altering adverse events related to treatment with such antibodies individually.

Abstract: The present invention relates to a vaccine/inhibitor combination comprising an RNA vaccine comprising at least one RNA comprising at least one open reading frame (ORF) coding for at least one antigen and a composition comprising at least one PD-1 pathway inhibitor, preferably directed against PD-1 receptor or its ligands PD-L1 and PD-L2. The present invention furthermore relates to a pharmaceutical composition and a kit of parts comprising the components of such a vaccine/inhibitor combination. Additionally the present invention relates to medical use of such a vaccine/inhibitor combination, the pharmaceutical composition and the kit of parts comprising such a vaccine/inhibitor combination, particularly for the prevention or treatment of tumor or cancer diseases or infectious diseases. Furthermore, the present invention relates to the use of an RNA vaccine in therapy in combination with a PD-1 pathway inhibitor and to the use of a PD-1 pathway inhibitor in therapy in combination with an RNA vaccine.

Abstract: Provided herein are compositions, methods and uses involving antibodies that specifically bind to Programmed Death-1 (PD-1) and modulate the expression and/or activity of PD-1.

Abstract: Described herein are bispecific proteins specific for BAFF and B7RP1, nucleic acids encoding such proteins, methods of making such proteins, and uses for such proteins.

Abstract: Described herein are bispecific proteins specific for BAFF and B7RP1, nucleic acids encoding such proteins, methods of making such proteins, and uses for such proteins.

Abstract: The present invention provides nucleic acids encoding B7-related factors that modulate the activation of immune or inflammatory response cells, such as T-cells. Also provided are expression vectors and fusion constructs comprising nucleic acids encoding B7-related polypeptides, including BSL1, BSL2, and BSL3. The present invention further provides isolated B7-related polypeptides, isolated fusion proteins comprising B7-related polypeptides, and antibodies that are specifically reactive with B7-related polypeptides, or portions thereof. In addition, the present invention provides assays utilizing B7-related nucleic acids, polypeptides, or peptides. The present invention further provides compositions of B7-related nucleic acids, polypeptides, fusion proteins, or antibodies that are useful for the immunomodulation of a human or animal subject.

Abstract: Human monoclonal antibodies directed against B7-H1 and uses of these antibodies in diagnostics and for the treatment of diseases associated with the activity and/or expression of B7-H1 are disclosed. Additionally, hybridomas or other cell lines expressing such antibodies are disclosed.

Abstract: The present invention provides methods and compositions for the treatment, prevention, or reduction of persistent infections, such as chronic infections, latent infections, and slow infections and cancer. The methods and compositions of the invention are also useful for the alleviation of one or more symptoms associated with such infections and cancer.