Long COVID has mystified the medical community for years, making it a tough condition to diagnose, let alone treat. However, a growing body of research has found more information on what may be behind ...

Pegcetacoplan significantly reduces proteinuria in patients with recurrent C3 glomerulopathy, or primary immune-complex ...

A new study shows that the complement system, part of the innate immune system, plays a protective role to slow retinal degeneration in a mouse model of retinitis pigmentosa, an inherited eye disease.

A new study may have found what’s behind long COVID symptoms. Scientists say a portion of the immune system may stay activated after someone recovers from the virus. Research into what causes long ...

If you're living with IgA nephropathy (IgAN), you know the weight it carries—the constant worry about your kidneys, the fatigue from proteinuria, and the fear of progressing to dialysis or a ...

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 ...

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 ...

Retinal sections are shown from a patient with retinitis pigmentosa. Within the degenerating photoreceptor layer (blue), multiple microglia (green) are observed, having likely migrated into the ...