Articles tagged with Bacterial Infections
Researchers at Cedars-Sinai Medical Center identified a genetic variant associated with increased risk of developing perianal Crohn's disease, a debilitating manifestation of Crohn's disease. The study highlights the importance of targeting the alternative complement pathway and Complement Factor B (CFB) in treating this condition.
Researchers at Aalto University developed a drug that undercuts antibiotic resistance by blocking key toxins involved in the infection process. The treatment sequesters toxins and disrupts biofilms, making bacteria more vulnerable to antibiotics. Initial results show promising protection against bacterial infections.
Researchers at Linköping University developed a nanocellulose wound dressing that reveals early signs of infection through pH monitoring. This technology can lead to more efficient care and reduce unnecessary antibiotic use.
Research highlights devastating impact of war injuries on civilians and soldiers, resulting in complex bone and soft-tissue infections. Doctors describe treating patients with highly complex musculoskeletal infections caused by multidrug-resistant pathogens.
Researchers from NUS Medicine discovered that specific CPS structures and sugar combinations help Streptococcus pneumoniae colonize the human respiratory tract. The study sheds light on the importance of CPS structure in bacterial survival, which will inform future vaccine development.
A study from Lund University reveals how antibiotic-resistant bacteria acquire resistance through two molecular mechanisms. The researchers identified a novel protein that conveys resistance to specific antibiotics, and found that certain antibiotics induce the production of this factor, providing clues for designing new medicines.
Researchers found that identifying and targeting 'supercontactors', including nurses and patients with neurological disorders, can significantly reduce the incidence of MRSA colonization. Simulation studies showed that reinforced contact precautions and vaccination targeting these individuals can be more effective than random selection.
A new discovery by researchers at the University of Warwick has found a simple material that can prevent bacterial viruses from contaminating laboratories and microbial factories. This breakthrough aims to develop next-generation industrial biotechnologies and remove a bottleneck in fundamental research.
Researchers identified protective drugs that shield two abundant gut bacterial species without compromising antibiotic effectiveness against disease-causing bacteria. The study found a novel combination of antibiotics with antidote drugs, such as dicumarol and tolfenamic acid, which protected the gut microbiome and maintained antibioti...
Researchers found that high-dose VE303 prevented recurrent C. difficile infection compared to placebo, suggesting a potential new treatment approach. A larger phase 3 study is needed to confirm these findings.
A Spanish study found that 40% of supermarket meat samples contained multidrug-resistant E. coli, including strains capable of causing severe infections in people. The study highlights the need for regular assessment and farm-level interventions to reduce the presence of antibiotic-resistant bacteria in food-producing animals.
A Portuguese study found that six pets in Portugal and one in the UK carried antibiotic-resistant bacteria similar to those found in their owners. The researchers emphasize the importance of including pet-owning households in programs to reduce antimicrobial resistance. Owners can reduce the spread by practicing good hygiene.
The Society for Healthcare Epidemiology of America recommends hospitals establish antimicrobial stewardship programs to prevent Clostridioides difficile (C. difficile) infections, which cause difficult-to-treat diarrhea, longer hospital stays, and higher costs. The updated guidance provides evidence-based strategies for identifying and...
New research at ECCMID 2023 presents 19 gold complexes effective against at least one hard-to-treat bacterium, including MRSA and Pseudomonas aeruginosa. The gold-based drugs use a multimodal mechanism to kill bacteria, preventing antimicrobial resistance from developing.
A new machine learning model estimates optimal treatment timing for sepsis, taking into account vital signs and lab test results to predict patient survival. The model was trained on a dataset of over 14,000 individuals with sepsis and showed improved outcomes when actual treatment matched the recommended timeline.
Researchers at the University of Bath have successfully created antimicrobial ferroelectric composite materials using a novel 3D printing process. These materials can eradicate E coli bacteria within 15 minutes, with potential applications in heart valves, stents, and bone implants.
Researchers at Texas Biomedical Research Institute have identified a potential host-directed therapy targeting the immune system to bolster the body's ability to control TB infection. Blocking IDO enzyme helped nonhuman primates completely eliminate active TB infection, improving health metrics compared to antibiotics alone.
Researchers have developed a new ear tube design that combines liquid-infused materials with optimized geometry to improve treatment outcomes for patients with ear infections. The design enables better performance and reduces complications such as impaired hearing and scarring of the eardrum.
Researchers at Simon Fraser University are studying the genes of superbugs to develop new and effective treatments for drug-resistant bacterial infections. The team has discovered new genes responsible for causing disease and infection symptoms in humans, which can be targeted by antivirulence drugs.
Researchers at CZ Biohub SF developed a new diagnostic method for LRTI in children, leveraging machine learning and genomics to identify pathogens with high accuracy. The method uses metagenomic sequencing data to analyze gene expression and microbial abundance, providing a more holistic approach to diagnosing the condition.
A new shape-shifting antibiotic has been developed by Cold Spring Harbor Laboratory researchers, offering a potential cure for deadly infections caused by drug-resistant bacteria. The innovative design uses click chemistry to create a molecule with multiple possible configurations, avoiding the development of resistance.
A UCalgary study found that a healthy gut microbiome can prevent deadly hospital infections in critically ill patients. The research showed that the gut microbiota and immune system work together to fight infection, with abnormal gut bacteria increasing the risk of severe infections.
Researchers have discovered that Shigella bacteria can infect humans but not mice due to differences in the shape of a key protein, gasdermin-B. The protein has six different forms, and some isoforms cause cell death while others do not, explaining why Shigella is unable to infect mice.
Researchers have discovered the critical role of linker histone protein H1 in plant immune responses to bacterial and fungal infections. The study found that mutant plants with knocked-out H1 isoforms exhibited higher defense gene expression and resistance to infection, but lacked priming ability.
A new study published at ECCMID 2023 found that antibiotics do not reduce the risk of dying in adults hospitalised with common viral respiratory infections like influenza. The research suggests a restrictive antibiotic strategy for these types of infections may be warranted to reduce unnecessary prescribing and combat antimicrobial res...
A research team at HKUMed has invented a non-invasive technology to effectively reduce methicillin-resistant Staphylococcus aureus (MRSA) infection in bony tissue. The novel antibacterial nano-sheets can release ROS subject to ultrasound stimulation, eliminating MRSA bacteria deeply seated in bony tissue with 99.72% efficacy.
Researchers at the Francis Crick Institute have discovered a key role for autophagy in controlling intracellular infections like TB. By boosting this natural process, they hope to create new treatments that can combat antibiotic-resistant bacteria.
A new study warns of a rise in potentially fatal infections caused by bacteria found along parts of the US coast, driven by global warming. The number of Vibrio vulnificus infections has increased from 10 to 80 per year over 30 years, with cases now found further north than ever before.
A new study published in Cell Reports shows that gut bacteria from the patient's own intestine can cause post-operative infections, which are often fatal. The liver plays a key role in controlling these spreading bacteria through special immune cells called innate lymphoid cells.
Researchers at Indiana University School of Medicine discovered that bacteria causing vaginal infections can also be present in men and transmitted through heterosexual sex. The study found that only men who reported having vaginal sex carried the bacteria, with detectable presence for at least two months after intercourse.
A study found that healthy adult men with vaginal sex have a unique bacterial community in their urethra, with a core community supporting health and a secondary group more commonly found in the vagina. Vaginal sex has lasting effects, reshaping the male urinary-tract microbiome and increasing bacterial variation.
A study of over 2,800 hospital patients and their companion animals found that sharing multidrug-resistant organisms (MDROs) between pets and owners is possible. However, the rate of MDRO transmission from pets to humans was very low, suggesting that neither cat nor dog ownership is a major risk factor for hospital-acquired infections.
Researchers have found a new solution to combat resistant staphylococcus aureus infections, which can be difficult to treat. Endolysins, a newly developed enzyme, has been shown to kill both resistant and non-resistant staphylococcus aureus without the need for antibiotics.
Researchers found that fomepizole blocked energy production in bacteria and reduced bacterial burden in mice with pneumonia. The combination treatment prevented invasive disease development, suggesting a potential novel treatment for multidrug-resistant pneumococcal disease.
Researchers from China conducted a comprehensive review of dual therapy (DT) for H. pylori eradication, highlighting its high efficacy and patient compliance with minimal adverse events. High-dose DT administered over 14 days has emerged as the most effective treatment option.
The study reveals that more than 70% of patients developed urinary tract infections caused by endogenous E. coli strains from their own gut microbiota. The researchers also found that non-lactose-fermenting E. coli strains, less common in other countries, were present in the gut microbiota of some patients.
Scientists have developed a high-throughput genetic screening approach to identify viral proteins that target bacterial cell walls, leading to potential new antibiotics. The method uses a coded library of DNA fragments to investigate unknown genes in environmental samples, sidestepping the need for culturing bacteria.
Researchers have discovered that Yersinia pseudotuberculosis triggers the formation of granulomas in the intestines to control bacterial infections. Monocytes play a crucial role in recruiting neutrophils and launching the formation of these immune cells, which help combat the infection.
Researchers at Wayne State University have developed a novel non-sputum-based technology to differentiate between active TB and latent TB infection. The technology uses IgG antibodies against transketolase, an essential enzyme required for the intracellular growth of TB bacteria.
A recent study highlights the perils of bacteria's secret antimicrobial resistance, which can be difficult to detect using traditional methods. Researchers are exploring new approaches, such as genetic analysis, to identify and prevent the spread of these resistant strains.
The study found that Clostridioides difficile uses fermentation to rapidly colonize the gut and identified critical pathways converged on a metabolic integration point to produce amino acid alanine, driving bacterial growth. The findings provide new targets for small molecule drugs to counter C. difficile colonization and infection.
Researchers at Kyoto University found that neutrophils instruct macrophages to form a bacteria-permissive microenvironment, which could have implications for cancer treatment. The study suggests that A9, an enzyme expressed in neutrophils, may play a key role in this process.
Researchers develop a novel combination therapy using mitoxantrone and vancomycin to treat vancomycin-resistant Enterococcus faecalis (VRE) infections. The therapy stimulates the host immune system, accelerating wound healing and killing bacteria more effectively.
Researchers developed synthetic peptide nanonets that selectively entrap bacteria, rendering them vulnerable to antimicrobial components. The nanonets displayed both trapping and killing functionalities, demonstrating potential as an anti-infective strategy.
A study published in AJIC found that EHR-focused interventions reduced unnecessary urine culture orders by 20.9% and 21.6% among patients with indwelling catheters. The interventions included changing the electronic medical record ordering screen to require an indication for the culture.
Researchers found that solar water disinfection (SODIS) was effective in inactivating Escherichia coli bacteria at both low and high altitudes. At high altitudes, bacterial inactivation increased by 1.7-fold after two hours, with no significant differences after six hours. The study highlights the potential of SODIS to improve global a...
Researchers observed changes in upper respiratory tract bacterial diversity after COVID-19 infection over time. The study suggests that viral infections can change the respiratory microbiome, potentially predictive of outcomes.
New study reveals that diseased plant cells produce more proteins before dying, alerting healthy cells to boost immunity and prevent disease spread. This 'deathbed rally' helps the rest of the plant stay healthy, paving the way for potential disease resistance strategies.
Researchers investigated manuka honey's potential to resist bacterial infections and promote bone growth in collagen scaffolds. Higher concentrations of honey led to decreased bone health, while soaked scaffolds showed improved results.
A new subset of B lymphocytes has been found to play a crucial role in promoting the clearance of microbes by enhancing the production of innate immune cells. The discovery highlights the importance of adaptive immune cells in responding to infections and could lead to new strategies for combating serious diseases.
A study published in eLife has linked infection with the bacterium Fusobacterium nucleatum to an increased risk of cardiovascular disease. The researchers found that individuals with high genetic risk scores for coronary heart disease were at elevated risk for cardiovascular events.
Scientists at University of Warwick and Politecnico di Milano developed a tool to regulate bacterial electric signals with light, opening new avenues for understanding antimicrobial resistance. This technology could help explain how some bacteria survive antibiotic exposure.
Researchers discovered that sensory cells in the spinal cord's central canal can detect bacteria in cerebrospinal fluid and trigger an inflammatory response to fight brain infections. These 'taste' receptors recognize bitter substances, such as those from Streptococcus pneumoniae, and increase cytokine production to combat pathogens.
Researchers found that two proteins help MRSA cells pump toxins into their environment. Targeting these proteins could disable MRSA and reduce its virulence.
Researchers have characterised the mutually beneficial relationship between Klebsiella pneumoniae and Acinetobacter baumannii, two pathogens responsible for severe infections. This relationship enables Klebsiella to survive in higher antibiotic concentrations, making it more deadly and resistant to treatment.
Researchers have developed a new diagnostic test called p-LFAs that can detect and quantify protein concentrations to identify bacterial and viral infections. The test is 1,000 times more sensitive than conventional tests, returning results in just 20 minutes.
A study by University of Liverpool researchers reveals how a unique subset of lung T regulatory cells provide resistance to bacteraemic pneumonia. These cells, known as TNFR2 expressing Tregs, play a critical role in maintaining and controlling frontline host immune responses when pneumococci infect the lungs. The findings have signifi...
Researchers investigated TB screening effectiveness in Germany and globally, finding mandatory programs may increase participation but don't deliver better results. Voluntary programs are considered more effective, ethically and legally justifiable.
A research team led by Professor Xiang David LI has developed a novel chemical tool called photo-ANA to investigate bacterial interactions with the host in real-time. This approach enables scientists to comprehensively profile host–bacteria protein interactions during infection, revealing known and newly discovered interactions.
A new microbiome therapeutic, SER-109, has been shown to improve the quality of life of patients with Clostridium difficile (C. diff) infections by reducing symptoms and restoring colonization resistance. The treatment was found to be associated with significant improvements in health-related quality of life scores as early as Week 1.