Articles tagged with Drug Resistance
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 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.
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.
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.
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.
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.
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.
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.
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.
Researchers discover how heme bound proteins catalyze hydrogen sulfide signaling in bacteria, leading to stress tolerance and antibiotic resistance. Disrupting this mechanism could inspire new antibiotic strategies against drug-resistant infections.
Ibezapolstat, a new antibiotic, has been shown to be effective in treating Clostridioides difficile (C. diff) infections with high rates of sustained clinical cures. The study found that ibezapolstat killed harmful bacteria without harming the good bacteria in the gut, which helps prevent recurrent C. diff infections.
Researchers at Penn Engineering introduced AMP-Diffusion, a generative AI tool that designed tens of thousands of new antimicrobial peptides with bacteria-killing potential. The most potent AMPs performed as well as FDA-approved drugs without detectable adverse effects.
Researchers are collecting faeces from exotic animals at Dudley Zoo and West Midlands Safari Park to search for phages that can fight bacterial infections. The goal is to create a bio-bank of these phages to develop alternative treatments for life-threatening infections.
Research from the University of South Australia finds that ibuprofen and paracetamol drive antibiotic resistance when used individually, but amplifying it when combined. The study also reveals that common bacteria like E. coli become highly resistant to antibiotics and multiple other medications.
A study at the Garvan Institute of Medical Research found that inactivation of a stress pathway makes ER+ breast cancer cells ignore stress signals, allowing them to evade treatment. The JNK pathway acts as a cellular alarm system, and its disruption leads to treatment resistance.
Researchers from Australia and China have found nine high-priority pathogens in aircraft lavatory wastewater, including some resistant to multiple drugs. The study suggests that monitoring aircraft wastewater could provide an early warning system for the spread of antimicrobial-resistant superbugs.
Researchers designed over 36 million compounds using generative AI algorithms and computationally screened them for antimicrobial properties. The top candidates show promise against Neisseria gonorrhoeae and Staphylococcus aureus (MRSA) by novel mechanisms that disrupt bacterial cell membranes.
A new report from the Microbiology Society argues that vaccine deployment can slow AMR emergence. The UK Government is called upon to remove barriers and incentivize public-private collaboration for vaccine development.
Researchers have discovered that combining antimicrobial peptides from bees and frogs can prevent bacteria from mutating quickly, making them a promising alternative to traditional antibiotics. This finding could lead to safer disease control in livestock and agricultural settings.
Researchers discovered cancer cells can survive within bone marrow fibroblasts in response to BTK inhibitors, leading to higher survival rates. By blocking CXCR4, treatment may become more effective, potentially increasing complete response rates and moving toward a cure for cancer
Researchers have found a way to rearrange atoms in a new generation of malaria drugs to make them more soluble, maintaining their effectiveness against drug-resistant parasites. This breakthrough could lead to an effective successor to artemisinin-based combination therapy.
A new drug pairing of Theobromine and Arainosine has been developed to target the influenza virus's ion channel, effectively blocking its replication and spread. This breakthrough combo outperforms Tamiflu in fighting a range of flu strains, including drug-resistant versions.
A new study found antimicrobial resistant bacteria spreading rapidly among children with severe malnutrition in Niger. The bacteria can cause life-threatening infections like pneumonia and sepsis, which are difficult to treat with antibiotics.
A new clinical trial found that a shorter treatment with fewer drugs may be beneficial for some patients with highly drug-resistant tuberculosis, but not all. The trial showed an 87% effective rate for the shorter regimen compared to 89% for the longer therapy.
Researchers from Korea University have discovered that the protein WEE1 can paradoxically drive immune resistance in cancer cells when located in the cytoplasm. This study suggests that targeting WEE1 with an inhibitor, such as adavosertib, may sensitize tumors to immunotherapy and reinvigorate antitumor immunity.
Clinical trials show sutezolid and delpazolid are safer alternatives to linezolid for treating drug-resistant TB, with no cases of nerve damage or blood toxicity reported. The findings suggest these drugs could replace linezolid in treatment regimens.
Researchers have identified a hidden molecular mechanism involving two proteins that allows tumors to resist treatment. A new gelatin-based nanoparticle has been developed to shut down both proteins simultaneously, showing promising results in early studies with mice.
Researchers identified a point mutation in the normal PML gene that can block the effect of arsenic trioxide, leading to treatment failure and suggesting a new target for genetic screening. This discovery has implications for personalized therapy and may help improve patient outcomes.
Researchers found that immunocompromised animals respond better to phage therapy due to depleted alveolar macrophages, which initially seemed to hinder its efficacy. The study highlights the importance of the immune system in phage therapy and may inform personalized treatment strategies.
The study found that the stage of normal cell development at which B cells transform into leukemic cells impacts treatment outcomes for pediatric patients with B-cell acute lymphoblastic leukemia (B-ALL). Researchers identified a 'multipotency score' to predict clinical outcomes, providing valuable insights into drug resistance and str...
A recent study by National University of Singapore researchers has shown that histone deacetylase inhibitors (HDACi) can protect neurons and limit brain damage following stroke by altering the gene expression of microglia. The treatment was found to reduce brain damage and improve recovery in stroke models, offering new hope for patients.
Researchers from Ben-Gurion University of the Negev have found coral-derived molecules that can disrupt bacterial communication and reduce the virulence of pathogenic bacteria. The combination of these molecules with antibiotics increases effective killing of bacteria, even when they form biofilms.
A protein from insect resilin has been used to create antibacterial coatings that can block bacteria from attaching to surfaces. The coatings were tested on E.coli bacteria and human skin cells, demonstrating 100% effectiveness in repelling bacteria while integrating well with healthy cells.
Researchers have discovered a synthetic compound called infuzide that effectively targets and kills antimicrobial resistant strains of Staphylococcus aureus and Enterococcus in laboratory and mouse tests. The findings suggest that infuzide works differently from other antimicrobials, which may help prevent resistance.
Researchers identified seven bacteria with a potential barrier effect against vancomycin-resistant enterococci. The addition of the bacterial mixture reduced the proliferation of pathogenic bacteria in mice, suggesting a promising therapeutic approach.
Researchers discovered that a specific gene duplication in the fungus Madurella fahalii enables it to neutralize medication, leading to effective treatment challenges. This study highlights the potential of molecular techniques to uncover drug resistance mechanisms and pave the way for targeted therapies.
A potent combination of antimalarial compounds blocks parasite transmission in mosquitoes while circumventing insecticide resistance. The new strategy retains activity even after a year and efficiently kills parasites even when applied to the female mosquito up to four days in advance of infection.
The international conference will focus on translating phage research into clinical reality, exploring key sessions and major speakers. Companies from various sectors are attending the event, highlighting the growing interest in phage therapy.
Researchers have discovered that combining antibiotics with an enzyme called endolysin can protect against infection by resistant bacteria in all bodily organs, including the brain. This breakthrough could lead to a new treatment for meningitis, a life-threatening disease caused by resistant bacteria.
Researchers have developed three-dimensional spheroid cultures that better replicate cell-cell interactions and nutrient gradients, leading to a greater understanding of tumour tissue behaviour and drug responses. The study highlights the importance of mimicking tumour architecture in testing cancer therapies.
Glutathione S-transferases play a critical role in human health, influencing disease development, drug metabolism, and therapeutic interventions. Genetic variations in GSTs can lead to oxidative stress, DNA damage, and resistance to apoptosis, making them key players in disease pathogenesis.
A Phase Ia/Ib trial found that zongertinib demonstrated clinical benefits for patients with advanced HER2-mutant non-small cell lung cancer, particularly those with specific HER2 mutations. The treatment showed a 71% objective response rate and manageable side effects.
A new study at Stellenbosch University found that blocking the enzymes involved in glycolysis could cut off the malaria parasite's primary energy source and kill it. This approach has shown promise for developing new malaria drugs, particularly against resistant parasites.
University of Oklahoma researchers create bioactive sugars to develop novel antibiotics against multi-drug-resistant infections in cancer patients. By using abundant, inexpensive, iron or metal-free, non-toxic blue light, the team can more easily and rapidly synthesize these important carbohydrates.
Researchers at Duke University and colleagues discover a way to improve the uptake of cancer-fighting drugs called PROTACs by leveraging the CD36 protein. This approach delivered up to 23 times more potent treatment without compromising stability or solubility, paving the way for effective medications.
Researchers from the UCLA Health Jonsson Comprehensive Cancer Center are presenting new findings on combination therapies for liver and pancreatic cancers, including a new organoid model for personalized head and neck cancer treatment. Additionally, they are discussing the potential of liquid biopsies for cancer detection and monitoring.
Researchers identified fexofenadine as a potential Met-inhibitor that can overcome osimertinib resistance in NSCLC. The study found that fexofenadine enhances the anticancer effect of osimertinib in both laboratory and mouse models, making it a promising repurposed drug for treating NSCLC.