Medical research

New insights into the immune system of the gastrointestinal tract

Lymphotoxin is a cytokine, or intercellular messenger, and plays an important role in the immunological balance of the gastrointestinal tract. It regulates the immune system of the digestive tract, which is made up of immune ...

Genetics

Human immune system shapes skin microbiome

Our skin plays host to millions of beneficial and potentially disease-causing microorganisms; however, whether our immune system influences these microbial communities to prevent disease is unknown. In a study published online ...

Immunology

Red grapes, blueberries may enhance immune function

In an analysis of 446 compounds for their the ability to boost the innate immune system in humans, researchers in the Linus Pauling Institute at Oregon State University discovered just two that stood out from the crowd – ...

Diseases, Conditions, Syndromes

The genetic key to conquering cholera

Researchers have long understood that genetics can play a role in how susceptible people are to contracting cholera, but a team of Harvard scientists is now uncovering evidence of genetic changes that might also help protect ...

HIV & AIDS

Scientists discover how HIV kills immune cells

Untreated HIV infection destroys a person's immune system by killing infection-fighting cells, but precisely when and how HIV wreaks this destruction has been a mystery until now. New research by scientists at the National ...

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