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US researchers decipher how one gut bacterium influences immunity

Drug Discovery World

A team led by researchers at HMS and the Broad has just accomplished the rare feat of connecting those dots for one important gut bacterium. The usual suspects for triggering an immune response would be a protein or a sugar,” said Clardy. muciniphila’s ability to manipulate the immune system and fight disease.

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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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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. . Additionally, antibiotic resistance is very prevalent for the NG bacterium.

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Symvivo’s Oral COVID-19 Vaccine Enters Clinical Trials

XTalks

Symvivo’s bacTRL Gene Therapy Platform is designed and optimized to address limitations associated with typical vaccines, including the inability to accommodate large or multiple genes, lack of specificity to targeted tissue and poor control over immune response, says the company.

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Valneva accelerates Lyme disease vaccine R&D project with Pfizer

pharmaphorum

This investigational multivalent protein subunit vaccine targets the outer surface protein A (OspA) of the bacterium Borrelia that causes the disease, an established mechanism of action for a Lyme disease vaccine. VLA15 has demonstrated a promising immune response and safety data in pre-clinical and clinical studies so far.

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Merck’s Next-Generation Pneumonia Vaccine Gets FDA Approval

XTalks

Compared to Vaxneuvance’s targeting of 15 different strains of the bacterium, Pfizer’s shot protects against 20. While Merck’s previous shot, Pneumovax 23, defends against 23 serotypes and has been on the market for almost four decades, the immune responses it generates are not as durable as Prevnar 13.

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New Research Shows IBS Symptoms May be Caused by Gut Infections

XTalks

While diseases like celiac are associated with inappropriate activation of the immune system triggered by food antigens, this is not the case in IBS. In a normal, healthy intestine, foods do not trigger immune responses and so in a patient with IBS, something else must activate the response. Mouse and Human Studies.