Abstract: Multifunctional molecules that include i) an antigen binding domain that binds to a T cell receptor beta chain constant domain 1 or T cell receptor beta chain constant domain 2; and one, two or all of: (ii) an immune cell engager (e.g., chosen from an NK cell engager, a T cell engager, a B cell engager, a dendritic cell engager, or a macrophage cell engager); (iii) a cytokine molecule or cytokine inhibitor molecule; (iv) a death receptor signal enhancer; and/or (v) a stromal modifying moiety are disclosed. Additionally disclosed are nucleic acids encoding the same, methods of producing the aforesaid molecules, and methods of treating a cancer using the aforesaid molecules.

Abstract: Antibody molecules that bind to TRBC1 or TRBC2 are disclosed. Additionally disclosed are methods of detecting TRBC1 or TRBC2, methods of evaluating a subject or a disorder, and kits using the aforesaid antibody molecules.

Abstract: The invention includes, in part, a method of inhibiting lymphoid tumour cell proliferation by contacting the lymphoid with a TAK1 inhibitor.