While these animals retain the regenerative ability throughout adulthood, most mammals, including mice and humans, lose this capacity shortly after birth. 4 Scientists are interested in determining ...

As people age, their bodies develop a dysfunctional immune system, which can leave older adults more susceptible to conditions like sepsis. New research from University of Minnesota researchers ...

This granulomatous reaction may be viewed as a frustrated attempt by the immune system to neutralize antigen. The antigen is trapped within the granuloma and in this location the macrophages secrete ...

Aging immune cells known as senescent macrophages are emerging as critical players in cancer progression. Rather than defending the body, these aged cells undergo profound functional shifts that ...