Articles tagged with Antibiotics
Scientists used genome mining to discover a novel antibiotic in Streptomyces coelicolor, effective against several bacterial strains. The approach also unlocks potential for discovering new antimicrobials and antitumor agents from other micro-organisms.
Two middle school students from Wisconsin have co-authored a study revealing the innermost structure of a key bacterial enzyme that activates antibiotics and anti-cancer agents. The researchers identified the 3D structure of the methyltransferase, a crucial step in determining its function.
The study found that smaller hospitals in Kentucky and Indiana adopted quality improvement measures quickly and implemented the expanded surgical time-out checklist with high rates of adherence. Surgical specialists committed to accepting safety parameters, and clinicians provided an extremely high standard of care to patients.
Researchers found that administering antibiotics to mice infected with malaria prevents the disease and induces long-term immunity. The treatment targets the apicoplast, a bacterial organ necessary for parasite reproduction, allowing the immune system to develop robust protection.
Researchers found that administering antibiotics during the liver stage of malaria infection generates strong protective immunity in mice. The treatment prevents malaria parasites from infecting red blood cells and builds long-term immunity against subsequent infections.
Duke University researchers have developed a computer program that can predict the next moves of a dangerous bacteria, such as MRSA. The algorithm identifies potential resistance mutations before testing begins, allowing for more effective drug design and potentially saving lives.
Researchers at Worcester Polytechnic Institute have identified the molecular forces that enable cranberry juice to fight off urinary tract infections. The study suggests that fimbriae on E. coli bacteria are essential for infection, and that cranberry juice can weaken their attachment to human cells.
A study found that antibiotics prolong survival but do not improve comfort for patients with terminal dementia and pneumonia. Aggressive treatment can cause greater discomfort, suggesting a need to balance survival and comfort goals.
Researchers have identified the genes necessary for producing a highly potent and clinically unexploited antibiotic, microbisporicin. The study enables the engineering of bacteria to produce similar but better molecules, improving pharmacological properties.
Researchers found that home care equivalent to hospital care for patients with cystic fibrosis does not compromise lung function recovery, with optimal duration of therapy ranging from 7-10 days. Longer treatment courses do not offer additional benefits.
A new method of antibiotic prophylaxis has been developed to reduce the risk of infection in patients undergoing percutaneous endoscopic gastrostomy (PEG) operations. The routine involves giving a combination of sulfamethoxazole and trimethoprim directly into the PEG-catheter after surgery, resulting in equivalent results with reduced ...
A recent study found that the TMP-SMX antibiotic combination significantly increases the risk of severe hyperkalemia in older adults, a potentially deadly adverse drug reaction. The risk is five times higher in patients prescribed TMP-SMX compared to those taking amoxicillin.
Researchers have made significant progress in developing new medical technologies to combat the anthrax threat. Promising new treatments include a long-sought inhalable vaccine that can be self-administered without a needle, as well as new antibiotics and medicines that can block the effects of anthrax toxin.
Buruli ulcers, caused by Mycobacterium ulcerans, require more attention to early diagnosis and treatment. The World Health Organization's guidelines need to be adapted due to low accuracy and high relapse rates in some regions.
A new study found that daily use of probiotics reduced VAP infections by almost half and decreased antibiotic consumption, leading to fewer Clostridium difficile infections. The probiotic therapy was found to be safe with no side effects.
Scientists have found antibiotic-resistant bacteria in seven species of sharks and redfish, with the highest occurrence rates in nurse sharks from Belize and Florida Keys. The study highlights a growing problem for human health due to the presence of multidrug-resistant bacteria in marine environments.
Researchers elucidated the basic principles of bacterial transport channel assembly, a mechanism used by pathogens to deliver virulence factors. The discovery opens doors to developing anti-infective drugs that can target this process before antibiotics, offering a major advantage in infection treatment.
Plectasin disrupts the forming of the cell wall in bacteria, preventing division and ultimately leading to bacterial death. Despite its potential, the authors caution that no permanent solution exists to antibiotic resistance.
A study published in JAMA found that patients hospitalized for acute exacerbations of chronic obstructive pulmonary disease (COPD) who received antibiotics within the first 2 hospital days had improved outcomes, including lower likelihood of mechanical ventilation and fewer readmissions. Antibiotics also reduced hospital costs.
A study published in the Journal of Experimental Medicine suggests that boosting interleukin-10 levels can protect against lethal E. coli K1 infection without antibiotic side effects. Researchers seek to determine its safety and efficacy in human infants infected with the bacterium.
A fully automated minilab developed by Munich researchers can quickly identify antibiotic residues in milk, providing a fast and simple solution to the current laborious and expensive testing method. The system takes just under six minutes to produce a result, reducing production losses and disposal costs for the dairy industry.
Researchers have created a two-in-one formula combining an antibiotic and anti-inflammatory drug, delivered via nano-sized particles that extend medication duration. This development holds promise for easier treatment of bacterial keratitis, potentially reducing hospitalization rates.
Children and adolescents with cystic fibrosis who received azithromycin did not experience improved lung function compared to those receiving placebo. However, they showed a significant reduction in pulmonary exacerbations and weight gain.
Researchers confirm rifaximin antibiotic provides long-lasting relief of IBS symptoms, including bloating and abdominal pain. The study suggests targeted antibiotics can effectively treat IBS by altering gut bacteria.
Researchers highlight underdiagnosis of pediatric hepatitis C, increased risk of inflammatory bowel disease from antibiotic use in infancy. Gastroenterologists must consider unique health needs of women and children when prescribing medication.
Researchers found a combination of antibiotics to be an effective treatment for Chlamydia-induced reactive arthritis, with significant improvements seen in patients receiving a 6-month course of combination antibiotics. The results suggest potential for eradication of the persistent infection and improvement in clinical sequelae.
A multicenter NIH trial led by the University of South Florida found combination antibiotics to be effective in treating Chlamydia-induced reactive arthritis. The study showed significant improvement in patients treated with combination antibiotics, with 22% experiencing complete remission and no adverse side effects.
Researchers have discovered a new avenue to overcome tuberculosis drug resistance by targeting an enzyme that breaks down beta-lactam antibiotics. Clavulanate and meropenem combination shows promise in sterilizing TB bacteria, including XDR-strains.
A physics strategy called resonant activation is being tested as a solution for antibiotic resistance, targeting dormant persister cells. The approach involves repetitive antibiotic treatment to accelerate sterilization of bacterial colonies.
Bacteria recognize and develop resistance to vancomycin through a specific sensing mechanism. The discovery provides new understanding of the molecular basis of vancomycin resistance and represents an essential first step in developing new antibiotics that can evade bacterial sensing mechanisms.
A chemical compound, when combined with antibiotics, effectively destroys biofilms produced by antibiotic-resistant bacteria. The compound also re-sensitizes resistant bacteria to antibiotics, making it a promising treatment for difficult-to-treat infections.
Researchers analyzed 52,153 Twitter tweets mentioning antibiotics and found that misinformation can travel rapidly through the network. The study highlights the importance of promoting healthy behaviors and disseminating trustworthy information on social media platforms.
Researchers found that thyme essential oil can almost completely eliminate bacteria within 60 minutes, with high efficacy against Staphylococcus species. The study suggests that essential oils could be a cheap and effective alternative to antibiotics, reducing the risk of new strains of antibiotic-resistant micro-organisms.
The emergence of multidrug-resistant gonococcal bacteria threatens to make gonorrhoea extremely difficult to treat. Current treatment antibiotics may soon lose effectiveness due to rapid resistance development.
Researchers have identified a molecule that blocks a key signaling pathway in pathogenic gut bacteria, reducing toxin production and preventing infection. This breakthrough discovery represents a novel class of antimicrobial agents with broad-spectrum efficacy.
A 15-year French hospital program using surveillance, precautions, training, and feedback led to a 35% decrease in methicillin-resistant Staphylococcus aureus (MRSA) burden. The program was most effective in intensive care units, with a 59% decline in MRSA cases.
The Infectious Diseases Society of America calls for the development of 10 new antibiotics by 2020 due to rising antibiotic-resistant bacterial infections. The urgency is underscored by heartbreaking patient stories of those who have suffered and died from these infections.
University of Alabama scientists find that ampicillin enhances the normal function of torsinA protein in cells affected by dystonia and Parkinson's disease. The drug restored normal movement to mice and improved cellular protection against stress, leading to potential new treatments for these debilitating conditions.
Researchers found that oxytetracycline breaks down more quickly in cattle manure than in soil, due to its higher organic material and moisture content. Temperature and moisture levels also play a crucial role in degradation rates.
Beewolves have evolved a symbiotic relationship with bacteria of the genus Streptomyces that produce nine different antibiotics, providing effective protection against various pathogens. This natural defense mechanism, known as combination prophylaxis, has been used by beewolves for millions of years to safeguard their offspring.
A national poll found that most Americans would follow public health recommendations to obtain prophylactic antibiotics in response to a hypothetical anthrax attack. However, a significant minority would delay taking the recommended medication, which could put them at greater risk of serious illness.
Research by scientists at the University of Missouri Center for Agroforestry suggests that buffer strips can trap and break down veterinary antibiotics in manure fertilizers. The finding aims to mitigate concerns about the use of veterinary antibiotics in livestock farming, which may lead to drug-resistant bacteria and ecosystem harm.
Researchers found that sub-lethal doses of antibiotics trigger DNA mutations, producing germs resistant to multiple drugs. The study highlights the dangers of incomplete antibiotic treatment and calls for stricter regulations on its use.
A recent study led by Dr. Lucas Hoffman found that Pseudomonas aeruginosa, a common pathogen in cystic fibrosis lung infections, can resist powerful antibiotics due to adapting to the clogged airways. The mutation enables the bacteria to thrive in viscous lung secretions and survive oxidative stress caused by antibiotic treatment.
Researchers found that two Lactobacillus strains improved Helicobacter pylori-infected gastritis by exhibiting anti-bacterial and anti-inflammatory effects. The study suggests using probiotics as an alternative to antibiotics for treating H. pylori-associated diseases.
Researchers found that two antimicrobial regimens were effective in treating early, limited buruli ulcer disease, with 96% of patients healing after 8 weeks and 91% after 4 weeks. No significant surgical complications occurred.
Researchers at North Carolina State University developed a smart coating to improve bond between implants and bone, reducing rejection and infection risks. The coating promotes bone growth and releases antimicrobial silver particles to prevent infections.
Researchers discovered that a commonly used antibiotic, kanamycin, protects mouse ears from noise-induced hearing loss when given in low doses. The finding has significant implications for the development of new treatments and could benefit groups such as premature babies, soldiers, and airline workers.
Researchers found that lankacidin and lankamycin, two antibiotics produced by streptomyces, are more effective when used together against MRSA and other pathogens. The combination prevents protein assembly and inhibits bacterial growth, offering a new strategy for fighting antibiotic-resistant infections.
A new study found that using procalcitonin levels to prescribe antibiotics in intensive care units can reduce antibiotic exposure while maintaining patient safety. The study showed a significant reduction in antibiotic-free days among patients treated with procalcitonin.
McGill researcher discovers a link between contaminated chicken and E. coli bacteria causing urinary tract infections in young women. The study highlights the need for better food safety measures and antibiotic use regulations in agriculture.
The Lancet article advocates for tailoring antibiotic dosing to individual patients' physical characteristics, particularly for those with large body sizes. This approach could improve treatment effectiveness and safety, especially considering the increasing prevalence of obesity-related infections.
A sudden increase in antibiotic-resistant E. coli strains is spreading globally, posing a significant threat to public health. Researchers warn that the misuse of powerful antibiotics may lead to the development of even more resistant strains, rendering current treatments ineffective.
Using disinfectants can promote the growth of antibiotic-resistant bacteria, such as Pseudomonas aeruginosa. This adaptation enables the bacteria to survive and infect patients even without exposure to antibiotics.
A new study identifies two antibiotics, linezolid and moxifloxacin, as effective against the virulent community-associated MRSA strain. Meanwhile, clindamycin and doxycycline are found to induce rapid resistance development in this new strain.
A new study suggests that medical liability concerns may be driving doctors to overprescribe antibiotics in healthcare settings. The research found a strong correlation between antibiotic use and attorney density in European countries, but no such link with physician density.
Researchers at MIT and Boston University have identified a novel mechanism by which the drug hydroxyurea kills bacteria, inducing the production of toxic molecules that ultimately lead to cell death. This discovery raises the possibility of developing new antibiotics that target similar mechanisms.
Researchers have discovered a novel way to target bacterial DNA gyrase, an essential enzyme for bacterial survival and growth. The new antibiotic molecule, simocyclinone D8 (SD8), uses two heads to bind to the enzyme, making it 100 times more potent than single-headed versions.
A global drive is necessary to develop new antibiotics, with only a single new antibacterial approved in the USA since 2006. The EU report also shows limited progress, with just five new drugs reaching phase 3 clinical trials within the next 10 years.
Complicated skin and soft tissue infections (cSSTIs) require prompt treatment to prevent tissue destruction and minimize mortality. The new guidelines emphasize the importance of rapid diagnosis and initiation of antibiotic therapy, including surgical debridement for necrotizing infections.