Gastroenterology

Bioengineered probiotic could prevent listeria infections

For pregnant women, the elderly and those with weakened immune systems, listeriosis is a serious foodborne illness often linked to deli meats, fresh produce and dairy products. Even with antibiotic treatment, listeriosis ...

Medical research

New study explains important cause of fatal influenza

It is largely unknown why influenza infections lead to an increased risk of bacterial pneumonia. Researchers at Karolinska Institutet have now described important findings leading to so-called superinfections, which claim ...

Immunology

How the immune system deals with the gut's plethora of microbes

The gut is an unusually noisy place, where hundreds of species of bacteria live alongside whatever microbes happen to have hitched a ride in on your lunch. Scientists have long suspected that the gut's immune system, in the ...

Neuroscience

Tag team gut bacteria worsen symptoms of multiple sclerosis

Researchers at the RIKEN Center for Integrative Medical Sciences (IMS) have discovered that a particular combination of microorganisms in the gut can worsen symptoms in a mouse model of multiple sclerosis. The study published ...

Medical research

A new tool for modeling the human gut microbiome

Several thousand strains of bacteria live in the human gut. Some of these are associated with disease, while others have beneficial effects on human health. Figuring out the precise role of each of these bacteria can be difficult, ...

Medical research

Cells inside cells: the bacteria that live in cancer cells

Cancer cells are comfy havens for bacteria. That conclusion arises from a rigorous study of over 1,000 tumor samples of different human cancers. The study, headed by researchers at the Weizmann Institute of Science, found ...

Medical research

Study reveals bile metabolite of gut microbes boosts immune cells

A Ludwig Cancer Research study has discovered a novel means by which bacterial colonies in the small intestine support the generation of regulatory T cells—immune cells that suppress autoimmune reactions and inflammation. ...

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