Antibodies Gain the Upper Hand Against Sly Tumors

Tumors use ingenious approaches to stay just out of reach of immune cells on patrol and avoid detection. For instance, cancer cells at the periphery of the tumor have been shown to secrete a cocktail of chemicals that creates an impenetrable barrier to immune cells. By suppressing the immune system, these tumor factors interfere with antigen-presenting cells such as macrophages and block the production…