Articles tagged with Bacterial Infections
Scientists create tiny houses for bacteria using a novel 3D printing technology, enabling precise control over bacterial interactions and growth. The method reveals that certain bacterial communities become more resistant to antibiotics when contained together, providing new insights into infection mechanisms.
Researchers at UC San Diego School of Medicine have created over 650 new compounds that restore or improve effectiveness against drug-resistant pathogens in animal models. The findings could have major impact in the struggle against antimicrobial resistance, which threatens public health globally.
A study of 20 ICUs found that healthcare workers' universal gowning and gloving reduced MRSA acquisition by 40%. Handwashing frequency increased, but no adverse events were reported. The findings suggest that adopting such policies can help decrease healthcare-associated infections.
A randomized trial assessed whether wearing gloves and gowns for all patient contact in ICUs reduces MRSA or VRE acquisition. The study found a lower risk of MRSA acquisition alone, but no overall reduction in the composite rate of both bacteria.
A study found a pill-based fecal transplant to be effective in stopping recurrent C. diff infections, achieving a 100% success rate among patients. The treatment involves taking capsules containing fecal bacteria, rebalancing the gut microbiome and preventing future infections.
Researchers have engineered E. coli to seek out and kill disease-causing pathogens, including those responsible for difficult-to-treat infections like pneumonia and urinary tract infections. The new bacterial strain uses an antimicrobial peptide and enzyme to break down biofilms, offering a potential new treatment option.
Researchers found that two benign strains of C. difficile can prevent infection by more dangerous strains. The harmless strains occupy the same niches as the infective strains, preventing colonization and ultimately infection. This study provides promising results for developing new protective measures against C. difficile infection.
A £139,000 grant will investigate how cystic fibrosis patients' immune cells are infected with the B.cepacia superbug, which causes serious lung damage. The research aims to develop molecules that can help immune cells clear invading bacteria and potentially treat the condition.
A study by the University of Strathclyde found that Legionella bacteria exist in a significant number of commercial compost products in the UK. The research suggests that the bacteria are widespread in composts and could be a source of infection, especially if proper precautions are not taken.
Hospitalized patients with severe infections like meningitis and C. diff. experience improved outcomes and shorter hospital stays when treated by infectious diseases specialists. ID consultation reduces readmission rates, ICU days, and total Medicare costs.
Researchers mapped C.diff cases in Oxfordshire and found most cases weren't hospital-borne, but rather acquired elsewhere. Restricting antibiotic use may be more effective in reducing C.diff infections than infection control measures.
A new study has provided hope for halting the incurable citrus greening disease by understanding its impact on trees before infection. The researchers used DNA sequencing technologies to reveal metabolic imbalances and hormonal disruptions caused by the bacterial disease.
A new study found that children with specific heart birth defects are at a higher risk of developing infective endocarditis, a serious bacterial infection. The risk is especially high in those with heart defects associated with cyanosis and cardiac surgery within the past six months.
Researchers discovered that Baka pygmies have a low incidence of Helicobacter pylori infection, contradicting the assumption of an ancient bacterial population. The bacteria instead appear to be recent re-infections from neighboring populations.
Researchers have developed a novel treatment for gonorrhea that works like a live vaccine, reversing immunosuppression and preventing reinfection. The treatment, administered intravaginally, uses microsphere technology to stimulate an immune response against the bacterium.
Researchers at UC San Diego have developed a revolutionary method to identify and characterize antibiotics, providing a powerful tool to combat antibiotic-resistant bacteria. The new approach enables the rapid prioritization of promising molecules, accelerating the development of new medicines.
A study published in JAMA Network found that high exposure to swine manure in crop fields and proximity to high-density swine livestock operations increase the risk of methicillin-resistant Staphylococcus aureus (MRSA) and skin and soft-tissue infections in humans.
Scientists found that vaccinating cattle against E. coli O157 could reduce human cases of infection by nearly 85%, a significant improvement over previous estimates. The researchers used veterinary, human, and molecular data to estimate the impact of vaccinating cattle and predict that it would have a major public health benefit.
The study found a significant decrease in invasive MRSA infections nationwide from 80,461 in 2011 to estimated 30,800 in 2005. This represents a 27.7% decline for healthcare-associated community-onset infections and a 54.2% drop for hospital-onset infections.
A new pathway has been identified by UNC researchers that triggers septic shock, a condition where the immune system overreacts to bacterial infections. The pathway involves two sensors: one outside and one inside cells, both detecting lipopolysaccharide, a molecule found in bacterial cell membranes.
A new study reveals that E. coli bacteria can block a critical pathway in the gut, allowing them to survive and spread, leading to serious complications like kidney damage. The research provides valuable insight into how the gut fights infection and could lead to improved therapies for inflammatory bowel disease.
Researchers have discovered that the protein Parkin plays a key role in fighting tuberculosis, triggering the destruction of bacteria by immune cells. This finding suggests that strategies already being explored to combat Parkinson's disease may also be effective against tuberculosis.
Scientists have mapped the structure of a protein that helps bacteria evade the immune system. Understanding this protein, called BamA, could lead to new treatments for diseases like gonorrhoea and chanchroid. The discovery brings researchers closer to stopping infection before it takes hold.
Fecal microbiota transplantation (FMT) has shown remarkable cure rates for recurrent C. difficile infection, with up to 92% of patients cured and an astounding 98% secondary cure rate. FMT also treats various GI disorders, including inflammatory bowel disease and irritable bowel syndrome.
Researchers at Boston Children's Hospital found that invading bacteria themselves are the cause of pain during skin infections, rather than the body's immune response. The study also showed that activated pain neurons suppress the immune system, potentially helping bacteria become more virulent.
Researchers at the University of Iowa have discovered that bacterial toxins produced by Staphylococcus aureus cause lethal effects on the heart in infective endocarditis and sepsis. The study found that blocking superantigen action could be a new approach to treating deadly staph infections.
Researchers at UC Davis have identified a potential drug target for brucellosis, a chronic and debilitating bacterial disease. The study found that PPARγ is responsible for altering the metabolism of immune cells to supply bacteria with energy, enabling its survival and replication.
A study found that MRSA strains in humans originated from cattle, with a 40-year timeline for the emergence of resistance to methicillin. The bacteria's genetic analysis revealed that bovine strains were closer to the root of the phylogenetic tree, indicating a common ancestor.
Three winning teams received a $10,000 prize for their innovative projects addressing underserved populations and individuals with disabilities. The Personalized Monitoring of Enzyme Dynamics project focused on cancer treatment personalization, while the Microflora Refinement System tackled Clostridium difficile infections.
A new study reveals that SIGIRR protein suppresses the gut's immune response to bacteria, allowing beneficial microorganisms to thrive. This balance is crucial in preventing infection and inflammatory diseases.
Research found that C-section infants had a narrower range of beneficial bacteria in their guts compared to vaginally delivered infants. This has implications for the development of their immune systems and risk of allergies. The study also found lower levels of Th1 chemical messengers, which can contribute to allergic diseases.
Dr Lindsay Hall's five-year research project will investigate the establishment of infant gut bacterial communities and their protection against infection. The study aims to explore new probiotic bacteria to restore the microbial community and enhance the body's ability to fight infection.
Researchers found that certain stimuli, such as flu infection, fever and stress hormone release, trigger bacteria to leave biofilms in the nose and enter sterile organs, revealing increased virulence. Understanding this mechanism could lead to ways to block the transition to disease.
A study by the NIH found that deleting a protein called Olfm4 improves white blood cells' ability to fight bacteria in mice with chronic granulomatous disease (CGD). This suggests a novel strategy for developing new treatments against common and deadly infections.
Researchers have identified a staph-killing compound and developed a new mouse model to test its effectiveness. The study may lead to new strategies for restoring bone balance, even if the infection is not fully eliminated.
A study published in the Journal of Clinical Investigation identifies Olfm4 as a potential therapeutic target for Chronic Granulomatous Disease (CGD) patients. Deletion of Olfm4 in mouse models protected against Staphylococcus aureus infections, including community-associated MRSA strains.
A recent study published in the Journal of Antimicrobial Chemotherapy found that more than 60% of antibiotic prescriptions in the US are for broad-spectrum drugs, which can be ineffective against viral infections. The overuse of these antibiotics contributes to the development of antibiotic-resistant bacteria and side effects.
A unique four-point test using clinical variables such as serum albumin levels and white cell count can accurately predict the death risk of patients with C. difficile infections. This method has potential benefits for patients, hospitals, and health services worldwide.
Researchers have identified prolactin as a potential treatment for inflammatory joint disease, reducing chondrocyte death and associated cartilage degradation. A protein called CTHRC1 has also been linked to bone health, suggesting it could be a target for osteoporosis treatment.
A UC Irvine study has found that breath analysis may be an accurate way to quickly determine the severity of bacterial infections. The researchers correlated inflammation levels in laboratory mice with carbon monoxide and other gases in breath samples, making carbon monoxide a reliable biomarker for infection presence and intensity.
A study found that a moderate increase in vancomycin-resistant enterococci at one hospital led to a nearly 3% increase in VRE across the county. The Regional Healthcare Ecosystem Analyst model showed that hospitals in populated areas were more likely to spread the infection.
Scientists at Helmholtz Centre for Infection Research discovered natural killer cells have optimal immune response balance, having less active NK cells during early stages of infection improves survival. The overproduction of interferon IFN-γ can block recruitment of neutrophilic granulocytes, leading to fatal sepsis.
Researchers at the University of Arizona have identified a dozen new types of unknown viruses infecting different strains of marine bacteria. These bacteriophages play key roles in global processes such as oxygen and carbon cycling, climate patterns, and nutrient availability.
Researchers discovered a high internal pressure within the human herpes simplex virus 1 that enables it to eject its DNA into a host cell's nucleus. This pressure is a key mechanism for viral infection across organisms and presents new opportunities for broad-based, mutation-resistant antiviral treatments.
Researchers identified a novel component of Legionella's replication system, RidL, which disrupts an intracellular transport system needed for bacterial elimination. This allows the bacteria to survive and replicate in phagocytic cells.
Researchers found that bacteriophages significantly reduce C. difficile cells and toxin production without harming the gut microbiota, offering a potential new therapeutic agent to combat hospital infections. However, some bacteria may develop resistance due to lysogeny, requiring further development to control C. difficile infections.
Kansas State University researchers have discovered how Enterococcus faecalis, a bacterium causing hospital-associated infections, uses its regulatory system to resist the host's innate immune defense. The team has identified a protein called Eep as a key stress response that can be targeted with novel drug compounds.
Scientists at A*STAR's Singapore Immunology Network discovered a new class of white blood cells that play a critical role in the first line of defense against harmful fungal and bacterial infections. The findings have significant impact on vaccine design and targeted immunotherapies.
A study at WashU Medicine distinguished between viral and bacterial infections in children with fever using gene profiling, achieving a 90% accuracy rate. This new method could help identify the cause of illness and ensure targeted treatment.
Researchers at McGill University have found that cranberry derivatives can inhibit bacteria from sticking to surfaces, potentially preventing infections in medical devices such as catheters. The study's findings also suggest that cranberries may play a role in preventing chronic infections, which are a major public health concern.
Researchers at Carnegie Mellon University created an artificial cellular system with varying levels of molecular crowding to study its effects on gene expression. The findings suggest that tight quarters enhance gene expression in artificial cells.
Researchers have developed a method to identify Staphylococcus aureus capsule types using infrared light, achieving a success rate of up to 99%. The technique relies on Fourier Transform Infrared Spectroscopy and artificial neuronal networks to distinguish between different capsule forms.
Researchers at UCSF discovered changes in intestinal bacteria can perpetuate inflammation triggered by HIV, linked to chronic diseases such as heart disease, dementia, and obesity. The study suggests manipulating microbial populations could be a promising strategy to restore gut health and potentially treat HIV.
A 2011 outbreak of Pseudomonas aeruginosa infections at Beaumont Health System was attributed to contaminated ultrasound gel. The investigation highlighted the need for increased scrutiny of medical products and led to proposed guidelines for sterile ultrasound gel usage.
Scientists found ethnic differences in immune responses to TB bacterium, impacting diagnosis and treatment. The study identified genetic variation in vitamin D binding protein as a key factor.
Researchers at Boston University's National Emerging Infectious Diseases Laboratories have generated a map of the cellular circuitry of Mycobacterium tuberculosis, shedding light on its ability to survive inactive in the human body for decades and resist treatment. The study provides new insight into the bacterium's survival mechanisms...
A new study found that industrial livestock workers in North Carolina carry drug-resistant bacteria associated with livestock, including Staphylococcus aureus. The bacteria are resistant to multiple antibiotics and were more prevalent among workers exposed to industrial operations, which use antibiotics in animal feed and water.
A study by UC Irvine researchers found that basketballs and volleyballs can carry dangerous germs like Staphylococcus aureus, which causes staph infections. The germ was able to survive on sports balls for up to 72 hours, even in stored conditions.
A new automated diagnostic test can rapidly identify the most common causes of Gram-positive bacterial blood stream infections and detect three antibiotic resistance genes. The test takes about 2 hours to run and provides faster diagnosis, enabling early treatment of patients with sepsis.
A study examining food poisoning infection in mice reveals Salmonella takes over beneficial bacteria in the gut, using a previously unknown sugar called fucose. The research provides new insights into infection dynamics and could lead to better prevention or treatments.