Articles tagged with Drug Resistance
Using azithromycin within one day triggers antibiotic resistance in the respiratory tract, according to a study published in Nature Microbiology. The researchers followed hospitalized COVID-19 patients and found that azithromycin changed the mix of microbes in the upper airway, leading to persistent changes for more than a week.
Research shows that bacteria harbor resistance genes may respond differently to antibiotics under non-standard conditions. This affects treatment efficacy and contributes to understanding antimicrobial resistance development and spread. Understanding these variations is crucial to combat global public health threats.
A University of Sydney-led study found that honey made from mixed floral sources has superior performance against bacteria, with high levels of bioactive compounds. The findings could help develop new treatments for drug-resistant infections while supporting bushfire recovery and sustainable beekeeping practices.
Researchers at Ohio University discovered that blocking the growth hormone receptor may help make lung cancer treatments more effective. Patients with low GHR tumors survived significantly longer than those with high GHR tumors, highlighting a potential new target for therapy.
Researchers design nanoagents to carry antibiotics deep into bacterial infections, releasing them upon gentle ultrasound activation. This approach reduces antibiotic resistance and improves treatment of biofilm-related infections.
Researchers developed a novel CRISPR-based technology called pPro-MobV that can remove antibiotic-resistant elements from bacterial populations. The new tool uses gene-drive thinking and has the potential to combat antibiotic resistance in healthcare settings, environmental remediation, and microbiome engineering.
Researchers have designed antibodies that recognize a unique sugar found on bacterial cells, providing a potential new treatment for multidrug-resistant hospital-acquired infections. The target of the antibody is pseudaminic acid, a sugar molecule produced exclusively by bacteria and used to evade immune responses.
A study published in PNAS successfully eliminated pancreatic tumours in mice completely and durably, with no significant side effects. The treatment, combining three molecular targets, induced robust regression of experimental PDACs without causing tumor resistance.
A new hydrogel gel, inspired by nature's NETs, uses near-infrared light to kill bacteria and calm the immune system, promoting wound healing. Trials in mice and pigs show significant reduction in bacterial load and accelerated healing.
Researchers have demonstrated that Janus nanoparticles can disrupt drug-resistant bacteria's defenses, restoring the effectiveness of conventional antibiotics. The approach uses nanoparticles to create pores in bacterial membranes, allowing antibiotics to flood in and execute their killing function.
Researchers at NUS Medicine discovered that genetic vectors can efficiently spread antibiotic resistance within the gut, enabling even highly virulent bacteria to acquire drug resistance. This finding sheds light on the emergence of 'superbugs' in healthcare settings.
Researchers at the University of Oulu have developed a pine-bark-based water-treatment medium that efficiently removes antibiotics and other pharmaceuticals from wastewater treatment plant effluent. The method uses modified pine bark and combination materials, achieving removal efficiencies in the tens of percent to over 90%.
Researchers from New England Biolabs and Yale University have developed a first fully synthetic bacteriophage engineering system using the High-Complexity Golden Gate Assembly platform. This method simplifies strain engineering techniques, allowing for rapid creation of tailored therapeutic strains to overcome antibiotic resistance.
Salk Institute scientists found distinct disease courses and tolerance mechanisms in younger and older mice with sepsis, indicating a need for age-tailored therapies. The study suggests that future treatments may focus on controlling infection-generated damage rather than just targeting the pathogen.
Researchers analyzed faecal samples from 82 captive and 16 wild marsupials, revealing new microbial species and antimicrobial resistance. The study found that host family, location, and diet contributed to variance between different microbiomes.
Researchers developed a new method to measure how effectively antibiotics kill bacteria, crucial for treating complex infections. The 'antimicrobial single-cell testing' method predicts treatment success by observing individual bacteria under different conditions.
Researchers at McMaster University have identified a molecule called butyrolactol A, which can synergize with echinocandin drugs to kill fungi that the drugs alone cannot. The discovery marks a breakthrough in the fight against drug-resistant fungal infections, including those caused by Cryptococcus neoformans and Candida auris.
Researchers found that pitavastatin directly inhibits the anti-apoptotic protein Mcl-1, a key driver of survival and resistance in TNBC cells. The study showed pitavastatin effectively eliminates cancer stem-like cell populations and reduces tumor growth, angiogenesis, and lung metastasis.
The new clinical standards for antimicrobial stewardship in tuberculosis care aim to integrate TB into existing AMS frameworks, strengthening surveillance and resistance monitoring. The standards prioritize effectiveness, safety, and resistance prevention, promoting structured expert consultation services and targeted testing.
Researchers create a novel mathematical framework to control biological noise, enabling precise single-cell control. The 'Noise Robust Perfect Adaptation' technology suppresses stochastic fluctuations while maintaining stable average behavior, with promising applications in cancer therapy and synthetic biology.
Researchers at Harvard Medical School have uncovered crucial insights into how a new class of antiviral drugs works, shedding light on an important tool for fighting drug-resistant strains of herpes simplex virus. The discovery may lead to new pathways for treating herpesviruses and other kinds of DNA viruses.
The review highlights alarming trends in AMR, including rising resistance to last-line antibiotics, regional disparities, and the rapid spread of resistant genes through global travel and agriculture. Innovative drug combinations and precision-based treatment strategies offer hope in reclaiming control over this growing crisis.
Researchers at UT Health San Antonio are developing APOBEC inhibitors to block tumor mutation rates and slow cancer's evolution. The goal is to strengthen current therapies and improve their long-term effectiveness.
Researchers discovered a tiny RNA molecule called PreS that helps viruses copy their DNA more efficiently and boost replication in bacterial cells. This discovery provides important insights for designing smarter phage-based therapies against antibiotic-resistant infections.
Researchers discovered glioblastoma cells use PRDM9 to survive chemotherapy and regrow tumors. By blocking PRDM9 or cutting off cholesterol supply, persister cells can be wiped out, improving survival in mice. This breakthrough offers new strategies for treating the deadliest brain cancer.
Researchers at the University of Plymouth investigate why drugs used to treat other tumours are ineffective against NF2-related schwannoma and meningioma tumours. They explore repurposing clinically tested cancer drugs to target MDR mechanisms, which may lead to effective therapies for patients with these tumours.
A UBC Okanagan study found that microdosing psychedelics temporarily improves mood, creativity, and wellbeing, but these effects do not persist on non-dosing days. The study, tracking over 1,435 participants from 49 countries, suggests that microdosing may 'reactivate' or build upon prior effects of larger-dose psychedelic experiences.
Cholera-causing bacteria show substantial genetic diversity and widespread multi-drug resistance to commonly used antibiotics in Africa. A new study analyzed genomic data from 104 isolates across Cote d'Ivoire, Ghana, Zambia, and South Africa, highlighting the urgent need for antimicrobial stewardship.
A study found that viral interactions inside cells influence antiviral resistance outcomes, while a less potent drug may ironically improve its future utility by promoting social interactions in viruses. The researchers suggest a trade-off between hitting the virus hard and allowing resistance to rise.
A specific protein, RASH3D19, activates the RAS signaling pathway involved in aggressive tumor growth and resistance to KRAS inhibitors. Blocking RASH3D19 improves outcomes in preclinical models, suggesting a potential therapeutic strategy.
Researchers analyzed 1,240 wastewater samples from 351 cities worldwide and discovered latent antimicrobial resistance genes. The study highlights the need for broader surveillance of resistance in wastewater to curb future pandemics.
A novel mRNA-based therapy has been shown to slow bacterial growth, strengthen immune cell activity, and reduce lung tissue damage in models of multidrug-resistant pneumonia. The therapy works by giving the body a special protein that directly breaks down harmful bacteria and recruits immune cells to help clear them out.
The 2025 European Scientific Conference on Applied Infectious Disease Epidemiology (ESCAIDE) brings together over 3,000 participants to exchange knowledge and strengthen collaboration in infectious disease prevention and control. The conference highlights urgent priorities such as building trust in science, demonstrating science-based ...
A novel nanogel technology has been developed to kill drug-resistant bacteria, including Pseudomonas aeruginosa and Escherichia coli, with high selectivity and efficiency. The technology uses a heteromultivalent nanogel that binds to specific proteins on the bacterial surface, disrupting the membrane and leading to rapid bacterial death.
Researchers at UC San Diego found that cancer cells use non-genetic mechanisms to regrow after targeted therapy, which could help prevent tumor recurrence. By blocking these signaling pathways, future treatments may be able to stop tumors from relapsing during therapy.
Europe is facing a major public health crisis due to rising antimicrobial resistance (AMR) rates, with estimated deaths of over 35,000 annually. The EU must address this issue through strong action on antibiotic use, innovation in novel treatments and infection prevention and control practices.
The AMR portal connects bacterial genomes, resistance phenotypes, and functional annotations, providing a central hub for global AMR research. It brings together experimental and computational data types, allowing researchers to investigate how genetic variants translate into antimicrobial resistance.
Researchers have shown that disabling the NRF2 gene with CRISPR technology can restore drug sensitivity and slow tumor growth in lung cancer. The approach, which targets a master switch for resistance, has potential across multiple tumor types.
Researchers from the University of Edinburgh have identified a new mechanism of resistance to common antibiotics, targeting a special repair system possessed by certain bacteria. This discovery could aid efforts to combat antimicrobial resistance, one of the world's most urgent health challenges.
Scientists at the University of Pittsburgh have created phages with synthetic genetic material, allowing them to add and subtract genes. This breakthrough enables researchers to engineer phages to target specific bacteria, offering new hope for combating antibacterial resistance.
Researchers used an experimental evolution approach to map genetic mutations in A. baumannii treated with tigecycline and colistin, confirming and extending existing knowledge on major mechanisms of resistance. The study's findings aim to develop genomics-based predictions of drug resistance and susceptibility.
Researchers are searching for cellular vulnerabilities in 'superbugs' like E. coli and P. aeruginosa to find new, effective therapeutics. The $5.3 million project aims to develop new ways to deliver lifesaving drugs directly into resistant pathogens.
A new study predicts that aging populations in Europe will lead to a substantial increase in drug-resistant bloodstream infections. The study analyzed data from over 12 million routine blood tests and found that rates are expected to rise more in men than women and older age groups, particularly those over 65.
West Virginia University researchers are working with local partners to stop drug use in youth before it starts. They will expand an existing pilot project to encompass 140 schools in 36 rural counties, tailored to individual community needs.
Researchers at Helmholtz Centre for Infection Research have identified a new drug candidate, Substance 31, that prevents the production of new proteins in malaria parasites. This approach has the potential to break through existing resistances and develop new therapeutic strategies against malaria infections.
A University of Houston professor has received funding to develop effective treatments for Cryptosporidium infections, which cause severe diarrhea and have no existing cure. The team aims to design drugs that target the parasite's enzyme CDPK1 to minimize systemic exposure and maximize efficacy.
Researchers have developed a new technique called Dual transposon sequencing to rapidly identify genetic interactions in bacteria. This method reveals vulnerabilities that could be targeted by future antibiotics.
Researchers argue that AI can strengthen pandemic preparedness by detecting emerging diseases earlier. By combining data from humans, animals, and the environment, AI can reveal patterns and provide insights into potential pathogens.
MSK researchers have developed a new method to study treatment resistance in high-grade serous ovarian cancer. By analyzing blood samples from 18 patients, they identified subpopulations of cancer cells with distinctive genetic features that contribute to recurrence. This approach may help develop targeted treatments for specific vulne...
A new study discovers a previously unknown long noncoding RNA, EUDAL, that helps oral cancer cells survive chemotherapy by permanently activating the epidermal growth factor receptor. This RNA molecule blocks the cellular tagging system, allowing EGFR to remain active and promote autophagy in cancer cells.
Researchers at the University of Oregon have discovered a new treatment approach using a two-drug combination that is 10,000 times more effective than single-drug antibiotics in killing bacterial cells in lab tests. This promising method could help shorten treatment time and reduce toxicity in patients with chronic wound infections.
Antibiotic-resistant Escherichia coli clones were found in two colonized birds, a vulture and an owl, at the Santos Municipal Orchid Garden rehabilitation center. The presence of these strains in animals raises concerns about potential impact on wildlife health.
The Emory BioFoundry Institute is investing in TopoDx, a MedTech startup developing rapid antimicrobial susceptibility testing. This technology addresses the growing threat of antibiotic resistance and aims to improve patient outcomes. With EBFI's support, TopoDx plans to accelerate towards FDA clearance and commercial deployment.
Researchers have identified a minority of plasmids as the primary cause of multidrug resistance in bacteria, evolving to gain resistance through selective pressure from antibiotics. The study developed a model for plasmid evolution, highlighting pathways and predicting future outbreaks.
A University of Leicester-led study reveals that around one in three hospital infections involve antimicrobial resistance, independently associated with a higher risk of death. The study found patients with resistant infections had a 58% increased risk of mortality compared to those with susceptible infections.
Researchers discovered onnamides, a family of compounds from Okinawan marine sponges, showing remarkable potential against Leishmania major. These compounds demonstrate potency and safety exceeding current treatments, offering new approaches to overcome drug resistance.
Researchers at University of Bergen found that adding nanoparticles made from carbon and cobalt to weak vinegar solutions kills several dangerous bacterial species, including Staphylococcus aureus. The treatment is non-toxic to human cells and can remove bacterial infections from wounds without affecting healing.
Researchers at the University of Liverpool have discovered a groundbreaking new class of antibiotics called Novltex, which targets lipid II in bacterial cell walls. This innovative approach offers potent and durable protection against multidrug-resistant bacteria, addressing one of the biggest challenges in modern medicine.
Researchers at DTU have discovered a way to combat antibiotic-resistant bacteria by nourishing special bifidobacteria that is naturally occurring in the gut. Special lactic acids produced by bifidobacteria play a key role in keeping antibiotic-resistant bacteria at bay.
Researchers developed new methods to accurately target the centromedian nucleus for deep brain stimulation in patients with drug-resistant epilepsy. Advanced imaging techniques, such as high-resolution MRI and DTI tractography, improve targeting accuracy by identifying specific brain pathways and neural firing patterns.