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 ...

Immune cells need to be close enough to a tumor (within 150 Å) for a synapse to form and for them to undergo activation. Tumors use the extended form of complement receptor 3 (CR3) and the "I belong" ...

Among people with sickle cell disease—an inherited blood disorder—acute chest syndrome (ACS) is the leading cause of death. The condition is the result of red blood cells becoming stiff, sticky, and ...