DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Editorial use only.
Herceptin (trastuzumab) chemotherapy drug used to treat early-stage breast cancer. This humanized monoclonal antibody is a cytotoxic drug because it destroys cancer cells with HER2 protein on their surface, causing cell death.
Model release available. Property release not available.