Articles tagged with Antibiotics
Researchers at The Burnham Institute have determined the crystal structure of the anthrax-cell binding complex, offering new leads for the discovery of antitoxins. This breakthrough also provides insights into using anthrax toxin as an anti-tumor agent, with potential applications in treating cancer.
Scientists visualize bacterial ribosome recycling factor (RRF) structure using three-dimensional cryo-electron microscope, shedding light on its role in protein synthesis. RRF is a promising target for designing new antibiotics as it differs between eukaryotes and prokaryotes.
Patients with diabetes, females over 70, or obesity are more likely to develop postoperative mediastinitis caused by methicillin-resistant S. aureus. Identifying these risk factors enables the design of preventive strategies.
Researchers found that antibiotic therapy can promote allergic airway responses in mice, particularly when Candida albicans colonization occurs. The study suggests a potential link between antibiotic use and human allergies.
Researchers found that antibiotics can alter the gut microbiome, leading to increased lung sensitivity to allergens. This disruption can trigger a hyperactive immune response, producing allergy symptoms or even asthma. The study suggests that maintaining a healthy balance of gut microbes is crucial in regulating the immune system.
A new study isolated a compound called dodecenal from fresh cilantro leaves, which is found in salsa, and showed it to be twice as potent as the antibiotic gentamicin at killing Salmonella. The researchers believe that eating more fresh salsa could help prevent foodborne illness.
A double-blinded trial with 270 children aged 2 months to 23 months found that zinc therapy reduced severe pneumonia symptoms and signs, and overall hospital stay. Zinc also showed promise in reducing antibiotic-resistant infections.
A team of chemists from the University of Wisconsin-Madison has identified a key enzyme essential for the bacteria that cause tuberculosis. Disrupting this enzyme could lead to the development of a new family of antibiotics, providing hope for millions of people affected by multidrug-resistant TB.
Despite a growing need for new antibiotics, only six are being developed out of 506 drugs, with FDA approvals declining by 56% over the past 20 years. Researchers have identified a novel structural signature in antimicrobial peptides that could accelerate development of new treatments.
Walsh's research on vancomycin resistance and bacterial synthesis has significant implications for future drug development. His work highlights the importance of understanding microbial virulence mechanisms to combat growing antibiotic-resistant threats.
Researchers developed an electronic nose device that analyzes exhaled gases to diagnose pneumonia and sinusitis, showing 92% and 70% accuracy in ICU patients respectively. The device has potential to radically change diagnosis and treatment of these conditions.
A 1999 outbreak of furunculosis in rural Alaska identified individuals with MRSA who received more antibiotics, highlighting a link between antibiotic use and increased risk of skin infections. The study found that Panton-Valentine leukocidin virulence factor was present in nearly all methicillin-resistant isolates.
Research reveals integrons in poultry litter generate clusters of varied antibiotic resistance genes, complicating efforts to control spread. The discovery has significant implications for farm animal operations, human health, and the development of new antibiotics.
Researchers found only six new antibiotics in R&D pipeline, a 56% decline since 1998. The lack of new antibiotics poses significant risks for patients and public health due to emerging drug-resistant bacteria.
A new study found that only 2% of patients who experienced an allergic-like event after the first penicillin prescription had another reaction, despite previous estimates suggesting a 60% rate. The researchers suggest that some patients labeled as penicillin-allergic can safely receive the antibiotic in emergency situations.
A study compared different clinical guidelines for diagnosing and treating sore throats, finding that the selective use of throat cultures can help reduce unnecessary antibiotic prescriptions. The researchers also found that children require throat culture confirmation to ensure optimal identification of GAS pharyngitis.
Players suffered from infections by Aeromonas hydrophila after playing in mud prepared with stagnant river water. Organizers advised precautions to protect players against infection, including using treated water and disinfectants.
Researchers developed a simple method for ultra trace determination of chlortetracycline and tylosin antibiotics in animal manures and surface/ground waters. Tests showed high concentrations of these antibiotics in swine manure samples, highlighting potential environmental pollution risks.
A study by Peter M. Houck and colleagues found that administering antibiotics within 4 hours of hospital arrival significantly reduces mortality rates among Medicare patients with pneumonia who haven't received prior treatment. The early antibiotic treatment also shortens hospital stays, with an average reduction of half a day.
SLC5A8 transporter enables the colon to absorb short-chain fatty acids, produced by bacteria fermenting plant cell walls, for energy. This finding supports eating vegetables to limit antibiotic use and promotes a healthy gut microbiome.
Providing cough and cold care kits to patients with upper respiratory illness or acute bronchitis significantly reduces unnecessary antibiotic use. The kits contain pain relievers, decongestant, and other over-the-counter medications to treat symptoms.
Researchers at Boston Children's Hospital found that minocycline reduces later-stage tissue loss by blocking mitochondrial cytochrome c release, potentially improving quality of life for those with spinal cord injuries. The study suggests a novel post-trauma strategy using a safe, FDA-approved drug.
A study by UT Southwestern Medical Center researchers found that draining a skin or soft-tissue abscess and packing the wound with gauze is an effective therapy for simple skin abscesses in children, potentially reducing the need for antibiotics. The treatment was shown to be effective even when treating methicillin-resistant Staphyloc...
A blood test measuring procalcitonin levels can guide antibiotic treatment for lower respiratory tract infections, reducing unnecessary use and promoting more targeted therapy. The study found that withholding antibiotics based on procalcitonin thresholds did not compromise health outcomes in patients with viral infections.
A study found that women who used more antibiotics had an increased risk of breast cancer. The researchers also found that all classes of antibiotics were associated with an increased risk, and that long-term use of antibiotics was linked to death due to breast cancer.
Researchers use computer models to simulate the spread of diseases and develop strategies for containment. The models help predict how many people should be vaccinated or treated with antibiotics, providing critical information for public health officials.
Researchers have developed a protective coating that prevents deadly post-operative infections from Pseudomonas aeruginosa, a virulent pathogen that kills 100% of untreated mice. The coating, which works by pleasing the bacteria and preventing them from invading the host's bloodstream, has shown promising results in animal studies.
Researchers have unraveled the complete genome sequence of Bdellovibrio bacteriovorus, a predatory bacterium that can degrade complex biopolymers in other bacteria. The study may lead to novel anti-microbial substances and the development of a 'living antibiotic' as a potential therapeutic agent.
Researchers at the University of Illinois have discovered a new enzyme that can create antibiotic compounds by nature's machinery. This breakthrough could lead to the development of new antibiotics and combat antimicrobial resistance.
Linezolid has been shown to be effective in treating diabetic foot infections with a clinical cure rate of 81%. The drug can be given orally or intravenously, making it suitable for outpatient use. This approval may reduce hospitalizations and IV-related complications among patients with diabetic foot infections.
Researchers found that antibiotics improve daily growth and reduce swine death rates, resulting in higher profit returns for farmers. The study suggests that a ban on antibiotic use would lead to sharp increases in production costs.
Researchers in Switzerland discovered a high level of antibiotic resistance in Campylobacter bacteria, which causes 5-14% of diarrheal illnesses globally. The study found that 59% of isolated strains were sensitive to all tested antibiotics, while some were resistant to multiple antibiotics, posing concerns for public health.
A study published in Nature reveals a genetic approach that may help combat antibiotic-resistant biofilms, which are involved in 65% of human bacterial infections. The researchers identified a mutant strain of Pseudomonas aeruginosa that is more sensitive to antibiotics, providing a potential solution for diseases like cystic fibrosis.
A prospective study in Botswana found that only 1.8% of asymptomatic HIV-infected outpatients with preventive therapy developed TB, rendering routine chest radiography unnecessary for screening in settings where signs and symptoms can be effectively identified.
An asthma intervention study showed a 60% reduction in total hospitalizations among patients with frequent asthma exacerbations. Researchers also found that initial use of three antibiotics followed by diagnostic testing led to better patient survival and reduced antibiotic use for ventilator-associated pneumonia. Additionally, prematu...
A new study published in The Lancet found that pulse-dye laser therapy (PDL) was effective in reducing acne symptoms by half at three months. PDL treatment was also well-tolerated and showed the largest effect within four weeks, suggesting it could be a promising alternative to daily conventional pharmacological treatments.
A new study found that administering antibiotics in a syringe pump, rather than by direct injection, can significantly reduce costs. The study also showed that the most expensive antibiotic to administer was Erythromycin, which requires slow infusion time.
Research reveals that bone cement containing antibiotics can effectively control bacterial growth in the immediate vicinity of the implant, but this effectiveness is short-lived. After just a few weeks, the concentration of antibiotics decreases, making it less effective against bacteria.
A recent study by Henry Ford Health found a significant link between early antibiotic use in children and an increased risk of developing allergies and asthma. The study followed 448 children from birth to seven years and found that those who received antibiotics in the first six months were more likely to develop these conditions.
A randomized trial found that selective use of antibiotic decontamination (SDD) significantly reduced ICU deaths by 15% and overall hospital deaths by 24%, as well as infection rates with antibiotic-resistant bacteria by 16%. The study advocates for the use of SDD in patients on mechanical ventilation or in ICUs with low prevalence of ...
Researchers at University of Wisconsin-Madison uncover a potent toxin reveals new antibiotic resistance mechanism, where bacteria deploy a protein to intercept and inactivate the toxin. This mechanism points to the fact that bacteria continue to find new routes to evade antibiotics, threatening the fight against deadly bacteria.
A study of children with Medicaid insurance found that they received antibiotics for only 41% of the year, despite being at risk for nearly 60% of the time. The lack of antibiotic use puts these children at high risk of developing serious infections and sometimes dying.
A new anthrax inhibitor being researched by Rensselaer Polytechnic Institute may be able to prevent the toxin from binding to human cells, thereby hindering its damage. This breakthrough could enable successful treatment of anthrax at later stages and save more lives.
A new study found that larger exposures to anthrax spores require longer antibiotic therapy. In low-exposure cases, sixty days of antibiotics provide adequate protection, but four months are needed for high-exposure situations.
A randomized pilot study found that alternating two triple-drug regimens every three months significantly reduced drug failure and kept the viral load suppressed. However, a cost-effectiveness study identified four strategies to determine if a sore throat is caused by bacterial infection, reducing inappropriate antibiotic use.
The UK is experiencing an increased rate of gonorrhoea infection due to growing antibiotic resistance, particularly with ciprofloxacin. The Health Protection Agency recommends reviewing national and local treatment guidelines to ensure effective treatment using alternative antibiotics such as cephalosporins or spectinomycin.
Researchers have isolated a potent antifungal compound from the common seaweed species Lobophora variegata, revealing an unusual chemical structure. This discovery presents new insights into ecological interactions between marine organisms and offers possibilities for biomedical applications.
Researchers at NYU Langone Health have found that the new antibiotic linezolid is effective against multidrug-resistant tuberculosis (TB), a disease that affects millions worldwide. The drug was administered to five patients who had run out of other treatment options, and all showed significant improvement.
Researchers have discovered how bacteria evade antibiotics by exploiting a protein complex with a diverse binding site. The findings may lead to the development of new antibiotics that can bypass this pump, allowing drugs to kill bacteria. Alternative strategies, such as disabling the pump, are also being explored.
A randomized trial found that patients with early Lyme disease and no heart, joint or neurologic abnormalities can be effectively treated with 10 days of doxycycline therapy. The study showed that approximately two-thirds of patients responded to treatment within 20 days.
Researchers at Cardiff University discovered that inflating urinary catheters with a solution of triclosan inhibits the formation of crystalline biofilm, preventing blockages. The method could have practical applications in controlling catheter encrustation and treating urinary tract infections.
Researchers create vancomycin conjugates with buckyballs, which can target specific bacterial antigens and potentially treat resistant strains. The conjugates could also be used to prevent anthrax spores from germinating, offering a new defense against bioterrorism.
The researchers propose a four-pronged approach to avoid a catastrophe: decisive action by authorities, immediate antibiotic distribution, clear messaging about the need for full treatment courses, and surge capacity for medical professionals. This could reduce the death toll from an anthrax attack from 123,000 to 1,000.
Researchers developed a treatment strategy that combines antibiotics to kill infection with protective antigen antibodies to prevent toxin damage, achieving 100% survival in animal models. The approach addresses the limitations of current antibiotic-only treatments, which only cure 50% of infected animals.
Walsh's research team has focused on developing selective antibiotics that target bacterial enzymes while leaving human ones intact. His work has helped design new variants of vancomycin, some of which are now in human trials to combat antibiotic-resistant bacteria.
Researchers found that high-risk trachoma patients are unwilling to pay for future antibiotics, even if they can use household items as payment. This could limit the government's ability to control the disease and its progression.
A new study by U-M researchers found that the common cold leads to significant economic impact, with Americans spending over $2.9 billion on over-the-counter drugs and nearly $1.1 billion on antibiotic prescriptions for symptomatic relief. The total economic cost of cold-related work loss exceeds $20 billion annually.
Cecropin A alters bacterial gene regulation, challenging conventional thinking on its mechanism of action. The insect antibiotic's ability to evade resistance raises hope for new therapeutic agents.
A new compound has been discovered that can inhibit the formation of biofilms in bacteria, which are often lethal to patients with compromised immune systems. The compound works by disrupting quorum sensing, a process that allows bacterial cells to communicate and mount an effective attack.
Research explores whether animal antibiotics contribute to rising human resistance rates. The study finds that animal antibiotics can indeed fuel human antibiotic resistance, highlighting the need for stricter regulations on their use.