Immunology

Enzyme's alter ego helps activate the immune system

Already known to cut proteins, the enzyme SPPL3 turns out to have additional talents, according to a new study from Johns Hopkins. In its newly discovered role, SPPL3 works without cutting proteins to activate T cells, the ...

HIV & AIDS

Occasional heroin use may worsen HIV infection

Researchers at Yale and Boston University and their Russian collaborators have found that occasional heroin use by HIV-positive patients may be particularly harmful to the immune system and worsens HIV disease, compared to ...

Inflammatory disorders

New insight into risk of Ankylosing Spondylitis

Scientists at the University of Southampton have discovered variations in an enzyme belonging to the immune system that leaves individuals susceptible to Ankylosing Spondylitis.

Inflammatory disorders

A cause of age-related inflammation found

As animals age, their immune systems gradually deteriorate, a process called immunosenescence. It is associated with systemic inflammation and chronic inflammatory disorders, as well as with many cancers. The causes underlying ...

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