Immunotherapy is a type of cancer treatment that uses the body's own immune system to fight tumor cells. While much focus has been on engaging T-cells for fighting cancer, less attention has been ...

Many cancers produce an enzyme called IDO that suppresses immune system activity, but the long-held hypothesis of how this mechanism operates requires revision, according to a study published in ...

University of Pennsylvania researchers have found a promising new treatment for periodontitis using a component of the immune system called complement, according to a new study in the Journal of ...