Bacterial

River Drinking Water Sources Carry Higher Antibiotic Resistance Risks

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River-type drinking water sources generally carry higher threats involving antibiotics, resistant bacteria, and associated genes compared to reservoir options, based on research featured in Biocontaminant. Researchers investigated 13 representative water sources across the Poyang Lake basin, highlighting the importance of considering water source type when designing monitoring and pollution-control strategies. Water Source Types and Contamination … Read more

New Airway Repair Approach Offers Hope for Cystic Fibrosis

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Researchers at the University of Geneva have successfully restored the defective respiratory protective barrier in cystic fibrosis patients, tackling a primary driver of chronic bacterial infections in one of Switzerland’s most common genetic diseases. According to a study published in the journal Communications Biology, scientists traced the core dysfunction to the abnormal activation of a … Read more

New Study Reveals Bacterial Route to Testosterone Production

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Researchers have identified a urinary tract bacterium capable of converting the steroid precursor DHEA into testosterone under laboratory conditions, revealing a previously unknown microbial pathway that could impact prostate biology, according to a study supervised by Jason M. Ridlon. The finding does not indicate that the bacterium causes prostate cancer or that the microbial testosterone … Read more

Dexamethasone Calms Lung Inflammation Without Harming Immunity

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Researchers at Trinity College Dublin and St. James’s Hospital have demonstrated that dexamethasone, a commonly prescribed anti-inflammatory steroid, reduces harmful inflammation triggered by Mycobacterium avium without weakening the ability of human immune cells to control the infection, according to a study published in the Journal of Infectious Diseases. Understanding Nontuberculous Mycobacterial Disease and Treatment Challenges … Read more

Omega-3 and ASA Combination Promising for Severe Periodontitis

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A combination of omega-3 and low-dose acetylsalicylic acid (ASA) achieved clinical results comparable to antibiotics in treating severe periodontitis, according to a study published in the May issue of the Journal of Periodontology. Researchers affiliated with Albert Einstein Israelite Hospital, Guarulhos University, the University of Taubaté, and the Ribeirão Preto School of Dentistry at USP … Read more

How Liraglutide Briefly Rewires Gut Microbiome: Mouse Study Findings

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Liraglutide, a glucagon-like peptide-1 receptor agonist (GLP-1 RA), triggers rapid but largely reversible shifts in the gut microbiome of obese mice, according to a study published in the journal Microbiology Spectrum. Researchers found that while the drug alters bacterial community structure during active treatment, these changes largely normalize within seven days of discontinuing the medication. … Read more

Duke Engineers Use Robots and AI to Improve Gut Health

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Biomedical engineers at Duke University have demonstrated a method for systematically developing novel, complex combinations of probiotics and prebiotics to more effectively maintain gut health and treat gastrointestinal diseases, according to findings published online July 27 in the journal Nature Chemical Biology. By combining robotic automation with machine learning, the approach addresses longstanding consistency challenges … Read more

Unexpected Mechanism Drives Extreme Antibiotic Resistance, Study Reveals

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Rapidly developing antibiotic resistance during severe lung infections can occur when patients acquire circular pieces of DNA called plasmids from transient environmental bacteria, according to researchers at the University of Washington School of Medicine. Publishing their findings in Nature Microbiology, the team reported that this gene transfer can cause pathogen resistance to jump more than … Read more

New Immune Receptor Identified as Key Driver of Organ Aging

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Stanford Medicine researchers have identified a primary driver of biological aging: the failure of tissue-resident macrophages to clear senescent, or “zombie,” neutrophils from the body. According to a study published July 16 in Science, blocking a specific pro-inflammatory receptor, EP2, on these immune cells rejuvenated organ function and reduced age-related frailty in mice. This discovery … Read more

Probiotic Metabolite Suppresses Melanoma Growth in Mice

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Researchers at Southern Medical University have identified that Bifidobacterium animalis, a common probiotic, secretes mannose to boost the effectiveness of melanoma immunotherapy. According to a study published in the May 2026 issue of Cancer Biology & Medicine, this sugar activates CD8⁺ T cells by targeting the Hippo-YAP1 signaling pathway, offering a potential new strategy to … Read more

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