The present invention relates to novel tri-specific binding molecules. The invention also relates to nucleic acids encoding such binding molecules; to methods for preparing such binding molecules; to host cells expressing or capable of expressing such binding molecules; to compositions comprising such binding molecules; and to uses of such binding molecules or such compositions, in particular for therapeutic purposes in the field of cancer diseases.

The present disclosure provides novel antibodies and fragments thereof targeting IL-1RAcP. Use of IL-1RAcP inhibitors are also provided herein.

The present invention generally relates to novel bispecific antigen binding molecules for T cell activation and re-direction to specific target cells. In addition, the present invention relates to polynucleotides encoding such bispecific antigen binding molecules, and vectors and host cells comprising such polynucleotides. The invention further relates to methods for producing the bispecific antigen binding molecules of the invention, and to methods of using these bispecific antigen binding molecules in the treatment of disease.

Disclosed herein are multivalent and multispecific binding proteins, methods of making the binding proteins, and their uses in the diagnosis, monitoring, inhibition, prevention and/or treatment of cancers, tumors, and/or other angiogenesis-dependent diseases diseases characterized by aberrant DLL4 and/or VEGF expression or activity.

The present invention provides bispecific antigen-binding molecules characterized by comprising a first and a second domain, each binding to any of CS1, BCMA, CD20, CD22, FLT3, CD123, CLL1, MSLN, CDH3 or EpCAM, a third domain binding to an extracellular epitope of the human and the Macaca CD3ε chain and optionally a fourth domain, which is a Fc modality. Moreover, the invention provides a polynucleotide, encoding the antigen-binding molecule, a vector comprising this polynucleotide, host cells, expressing the construct and a pharmaceutical composition comprising the same.

Anti-CD73 antigen-binding proteins are provided. Biparatopic anti-CD73 antigen-binding proteins are provided. Methods of inhibiting CD73 activity and methods of treating CD73-mediated diseases and disorders are also provided.

Provided are anti-PD-L1 antibodies. It also provides the nucleic acid molecules encoding the anti-PD-L1 antibodies, expression vectors and host cells used for the expression of the anti-PD-L1 antibodies. It also provides the methods for producing the anti-PD-L1 antibodies and the use thereof.

Provided are anti-CD47 antibodies, the nucleic acid molecules encoding the anti-CD47 antibodies, expression vectors and host cells used for the expression of anti-CD47 antibodies. Provided are methods for validating the function of antibodies. The antibodies provide a potent agent for the treatment of cancers via modulating immune functions.

Methods of treating gastrointestinal inflammatory disorders such as inflammatory bowel diseases including ulcerative colitis and Crohn's disease are provided. Also provided are methods of administering integrin beta7 antagonists, such as anti-beta7 antibodies. In addition, particular dosing regimens, including dosing regimens comprising subcutaneous administration and administration using self-inject devices are provided.

This disclosure provides IL-21 binding molecules, e.g., anti-IL-21 antibodies and antigen-binding fragments thereof. In certain aspects the anti-IL-21 antibodies and fragments thereof can be hybridoma-derived murine monoclonal antibodies, and humanized versions thereof. In certain aspects the binding molecules, e.g., anti-IL-21 antibodies and antigen-binding fragments thereof provided herein inhibit, suppress, or antagonize IL-21 activity. In addition, this disclosure provides compositions and methods for diagnosing and treating diseases or disorders, e.g., inflammatory, immune-mediated, or autoimmune diseases or disorders associated with IL-21-mediated signal transduction. In a particular embodiment, the disclosure provides methods for treating or preventing Graft-versus-host disease (GVHD) using IL-21 binding molecules, e.g., anti-IL-21 antibodies and antigen-binding fragments thereof.