Immunology

How some gut bacteria avoid immune surveillance

The immune system tolerates flagellins of commensal bacteria while mounting an immune response against flagellins produced by pathogens.

COVID-19 may disrupt gut microbiota to increase risk for other infections

Microbiota alterations in COVID-19 patients appeared to be associated with secondary infections of the blood by gut bacteria: four cases of positive blood cultures of Staphylococcus species were identified.

Some gut bacteria may trigger autoimmunity in rheumatoid arthritis

The findings of a recent study suggest that a specific strain of Subdoligranulum can drive the production of autoantibodies in rheumatoid arthritis.

How gut bacteria may evolve to become harmful

The findings of a new research show that gut bacteria can become harmful over time by gaining the ability to escape the intestine and persist in other organs where they…

IgA antibodies bind to specific gut bacteria in mice

The findings of a new research may inform strategies for treating intestinal diseases by targeting pathogens without killing beneficial gut bacteria.

Some gut bacteria produce key lipids involved in cell signaling

The findings of a recent study suggest that the production of inositol lipids is common in Bacteroidetes and other gut-associated bacteria, and it may be a means of cross-kingdom communication.

Gut microbes may contribute to damage the aging brain’s immune cells

The impact of age-induced microbiota alterations facilitates the accumulation of CML metabolite in the microglia of mice and humans.

Microbial metabolite may boost antitumor immunity in aggressive breast cancer

Researchers have found that a specific microbial metabolite may boost the efficacy of anticancer therapy in people with TNBC. The findings could inform the development of improved treatments for TNBC.

A probiotic boosts the efficacy of anti-cancer therapy, small trial suggests

Researchers have found that combining a probiotic product with immunotherapy may boost anti-tumor responses in people with advanced kidney cancer.

A high-fiber diet may improve melanoma patients’ response to immunotherapy

A high-fiber diet may improve melanoma patients’ response to immunotherapy. A new study published in Science claims.

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