Antibodies, proteins, T cell proteins and peptides for medical use, monoclonal antibodies for clinical or medical use; pharmaceutical and biochemical substances and preparations namely, small molecules, CD80 antagonists for the treatment of cancer and auto-immune diseases; in vivo immunotherapeutic, immunoprophylactic and immunodiagnostic agents, preparations and substances for clinical or medical use; vaccines; protein conjugates for the treatment of cancer and auto-immune diseases; diagnost...