Biotechnology US biotech Corbus Pharmaceuticals today announced the expansion of its portfolio into immuno-oncology through licensing deals for two new monoclonal antibodies (MAbs), CRB-601 (a high potency anti-avb8 MAb) and CRB-602 (anti-avb6/avb8 MAb), that target integrins to inhibit activation of transforming growth factor β (TGFβ), from the University of California San Francisco and Panorama Research. 1 June 2021