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Gut bacteria could be behind weaker immune responses to COVID-19 vaccine

Medical Xpress

Gut bacteria that break down a sugar called fucose could be dampening our immune response to the COVID-19 mRNA vaccine, according to a study led by researchers from the Okinawa Institute of Science and Technology (OIST).

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Commensal bacteria ‘vaccine’ may safely prep immune cells for meningitis-causing cousin

Scienmag

Researchers have produced vaccine-like immune responses to a dangerous bacterium by colonizing 26 healthy volunteers with a related, but harmless, commensal bacterial species.

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Infant antibiotic exposure can affect future immune responses toward allergies

Scienmag

Early life exposure to antibotics in utero and through mother’s milk disrupts beneficial gut bacteria, compromising T-cell development, Rutgers research shows Exposure to antibiotics in utero and infancy can lead to an irreversible loss of regulatory T-cells in the colon-a valuable component of the immune system’s response toward allergens (..)

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Gel fights drug-resistant bacteria and induces body’s natural immune defense

Scienmag

In the fight against multidrug-resistant bacteria, scientists in Sweden have developed a new kind of antibiotic-free protection for wounds that kills drug-resistant bacteria and induces the body’s own immune responses to fight infections.

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Gum disease may lie at the root of some arthritis flareups

Medical Xpress

The findings, published in Science Translational Medicine, suggests that breaches in damaged gums allow bacteria in the mouth to seep into the bloodstream, activating an immune response that ultimately pivots to target the body's own proteins and causes arthritis flareups.

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Insights into how diet-related factors may influence immune response for cancer patients

Scienmag

Dietary fiber and probiotics impact gut bacteria and immunotherapy responses in melanoma patients, a new study in patients shows. A high-fiber diet was associated with improved survival and response to immunotherapy, the results reveal.

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Intravacc gets NIAID contract for intranasal gonorrhoea vaccine development

Pharmaceutical Technology

Intended for intranasal administration, NGoXIM was demonstrated to be effective in animal models and elicited a durable and cross-protective immune response in proof-of-concept (PoC) studies. . A sexually transmitted disease, gonorrhoea is caused by the NG bacteria.