Articles tagged with Drug Interactions
PharmaMar presents newly discovered oncogenic properties of eEF1A2, the target of plitidepsin. The protein's interaction with eEF1A2 favors tumor growth, but plitidepsin inhibits this bond, inducing cell death and apoptosis.
Research by Dr Elena K Schneider investigates the pharmacology of cystic fibrosis medications, specifically cytochrome P450 3A4 induction. The study finds that lumacaftor induces cytochrome CYP3A4 activity more than ivacaftor, potentially reducing plasma concentrations and affecting treatment efficacy.
Artificial molecules mimicking DNA's surface features have been successfully synthesized, demonstrating the ability to inhibit activity of several DNA-binding enzymes. These findings pave the way for new medicines by inhibiting DNA-protein interactions.
Researchers solved the structure of a key nervous system protein in complex with various drugs, enabling precise targeting. The discovery aims to develop medications with regulated action and fewer side effects by controlling which proteins are affected.
Researchers have found that the human brain's tiny blood vessels can trigger the growth of spinal motor neurons, which control muscles, during early development. This discovery could provide insights into diseases such as amyotrophic lateral sclerosis (ALS) and other neurodegenerative disorders.
A study by EMBL researchers found that over a quarter of non-antibiotic drugs inhibit the growth of at least one species in the human gut microbiome. This can lead to unintended side effects and potentially contribute to antibiotic resistance. The research team screened 1000 marketed drugs against 40 representative bacteria, revealing ...
MIT engineers develop a 'physiome on a chip' that connects engineered tissues from up to 10 organs, allowing accurate replication of human organ interactions for weeks. This technology could reveal potential side effects of drugs and improve evaluation before human testing.
Scientists have generated a vast library of unique cyclic compounds that can bind to their targets with stability and effectiveness. The new compounds have the capacity to interrupt specific protein-protein interactions that play a role in disease, offering potential therapeutic agents for various conditions.
Researchers discovered that membrane proteins can recruit their own lipid microenvironments through allostery, enabling new possibilities for pharmaceutical drug design and delivery. This finding is critical to understanding how the lipid environment influences protein structure and function.
Researchers at McGill University have developed a new technique for measuring enzyme inhibition, offering a universal approach to drug discovery. The method uses isothermal titration calorimetry (ITC) to measure heat generated by enzyme activity, providing a direct window into the mechanisms of enzyme inhibition.
Scientists at Imperial College London have developed an organ-on-chip technology to study the interaction of pathogens with artificial human organs. They tested the artificial liver's response to hepatitis B virus infection, revealing intricate mechanisms of immune evasion that could be exploited for future drug development.
Many epilepsy patients receive antiepileptic and non-epilepsy drugs that can interact, altering the effectiveness of one or both types of medications. The study found over 1 in 5 patients taking such combinations may experience reduced efficacy or increased toxicity.
Researchers have developed a new method to quantify protein-metabolite interactions, discovering hundreds of new interactions and binding sites. The approach has the potential to identify new regulatory mechanisms, enzymes, and metabolic reactions in cells.
Recent papers by Keck Graduate Institute professors James Sterling and Shenda Baker describe the interaction between ions and glycans on mucosal surfaces. The research highlights how different ion types affect the structure, electrical potential, and fluid behavior of airway-surface layers in the lung.
A study published in British Journal of Clinical Pharmacology analyzed herbal product interactions with prescription medications. The analysis revealed significant adverse drug reactions, particularly among patients taking warfarin and statins for cardiovascular complications.
A team of MIT researchers has created a miniaturized system that can deliver tiny quantities of medicine to specific brain regions, allowing for more precise treatment of neurological disorders. The device consists of several tubes contained within a needle and can deliver targeted doses with precise control.
Scientists at UNC School of Medicine and UCSF have solved the first high-resolution crystal structure of the dopamine 2 receptor bound to risperidone, a commonly prescribed antipsychotic medication. This discovery may lead to more selective medications with fewer side effects for patients with schizophrenia, bipolar disorder, and autis...
A phase 3 clinical trial found that cannabidiol reduced the number of drop seizures in patients with Lennox-Gastaut syndrome by 43.9% compared to placebo. However, long-term efficacy and safety concerns remain to be confirmed.
Researchers at Sanford Burnham Prebys Medical Discovery Institute have made a groundbreaking discovery that may advance neural stem cell treatments for brain disorders. The study reveals how an mRNA modification impacts the life of neural stem cells, and how it regulates histone modifications to maintain their self-renewal.
A team of researchers has devised a decoy molecule to disrupt the inception and persistence of pain memories. The RNA-based medicine reduces pain-associated behaviors by blocking the creation of pain-signaling proteins.
The authors propose a scalable and cost-effective preparation protocol for low-dimensional polyion complex nanomaterials with tunable morphologies. The protocol, called PIESA, enables the synthesis of biorelevant nanostructures with controllable shape and charge state.
Researchers at the University of Illinois found that cross-system signaling activity between growth factors can direct blood vessel growth and influence cancer progression, stroke recovery, and other disorders. This discovery offers a new pathway to developing effective therapies by promoting or inhibiting this signal.
A new machine-learning model can accurately predict protein-drug interactions based on a few reference experiments or simulations, accelerating the screening of candidate molecules thousands of times over. The algorithm can also tackle materials-science problems, revolutionizing materials and chemical modeling.
A study found that many discarded kidneys from deceased donors could have potentially been transplanted with good outcomes. The majority of discarded kidneys had traits considered unappealing, but their partner kidneys performed well after being used for transplantation.
A new poll shows that only about one in three older Americans have discussed possible drug interactions with their doctors or pharmacists, putting them at risk of health problems. Patients can reduce risks by being open with their providers and tracking their medications.
Gold nanoparticles have been found to change cells in a specific size, potentially allowing for faster and more effective medication delivery. Researchers believe this technology could be used to target tissues or as imaging agents, but must be exact to avoid danger.
Research on opioid addiction has made significant progress in understanding its impact on brain development, fear, anxiety, and memory. Studies have found that opioids can influence these processes, potentially contributing to substance use disorders and dependence.
Apixaban is a predictable linear NOAC providing good bioavailability, fast onset and offset of action, and low drug-food interactions. Its safety benefits include lower major bleeding event incidence compared to traditional anticoagulants.
A new study found that 89% of Hispanic women and 81% of non-Hispanic white women use herbal remedies. However, only a third of white women and less than 1 in 6 Hispanic women discuss their use of herbal treatments with doctors.
Apixaban is a new oral anticoagulant with good bioavailability, independent of patient sex and age. The drug has a short half-life, wide therapeutic window, and low number of drug interactions, making it suitable for patients with bleeding or surgical conditions.
Researchers used single-molecule microscopy to study receptor-G protein interactions, finding specialized sites called hot spots where they meet and interact. These hot spots play a crucial role in regulating intracellular processes and may enable more precise therapeutic approaches.
Researchers developed a new approach to analyze drug-protein interactions, revealing the specific amino acids involved in binding. This allows for more precise chemical requirements and stronger, selective drug candidates.
Researchers found that licorice extracts from three species can inhibit certain liver enzymes involved in drug metabolism, potentially causing interactions with medications. The team plans to develop a safe and effective licorice therapy using a specific species, G. glabra, for women experiencing menopausal symptoms.
A new approach to optical imaging allows for fast and economical tracking of multiple molecular interactions in large areas of living tissue. The method, developed by Rensselaer Polytechnic Institute researchers, can capture interactions in mere billionths of a second and simultaneously track 16 colors of spatially linked information.
Researchers at MIT have found a way to precisely target the enzyme HDAC2, which blocks genes required for memory formation in Alzheimer's patients. By blocking its interaction with Sp3, they were able to reverse memory loss in mice, offering a potential new treatment approach.
Research found significant changes in blood levels of antiepileptic drugs when patients took cannabidiol, a compound developed from the cannabis plant. The study emphasizes the importance of monitoring blood levels and liver function during treatment with CBD.
Researchers developed a new light-trapping sensor that improves spectroscopy's detection capabilities for drugs, bomb-making materials, diseases and other molecules. The device uses SEIRA spectroscopy to absorb up to 81% of infrared light, outperforming previous technologies.
Researchers have discovered molecular basis of hereditary Alzheimer's disease, revealing a crucial role in the cleavage process of APP protein. Stabilizing Gamma Secretase-APP interaction may prevent release of toxic amyloid beta fragments, delaying or preventing the disease.
A new study found that over half of HIV-positive transgender women are concerned about combining antiretroviral therapy with feminizing hormone therapy due to unknown drug interactions. This concern affects their adherence to medication and treatment, highlighting the need for better health care optimization.
A new study reveals that patients discharged home from the emergency department with acute kidney injury (AKI) are at an increased risk of dying within 30 days. Patients with moderate-to-severe AKI have a higher risk of death, emphasizing the need for close follow-up and repeat kidney function testing.
A study from the University of Pennsylvania found that intersections between law enforcement and trauma care activities vary, but can impact patient trust and recovery. Patients perceived police interactions as stressful or respectful, depending on the context.
The cyclin-dependent kinase (CDK) inhibitor class of oral drugs has been found to be generally well-tolerated in treating hormone receptor-positive (HR+) metastatic breast cancer. The most common side effect is a temporary and dose-dependent decrease in white blood cells, which usually returns to normal with dosage adjustments.
A new study shows that sofosbuvir and ledipasvir single pill therapy leads to a sustained virological response in 98% of patients with thalassaemia and HCV. The treatment is expected to be limited by drug-to-drug interactions, but offers a significant benefit for these patients.
Researchers found chimpanzees stop grooming sooner when a higher-ranking chimp is nearby, suggesting they prioritize benefits over social interactions. This challenge to the 'relationship model' theory supports the 'biological markets' approach, which emphasizes economic incentives in primate social behavior.
A study found that 9 out of 10 A🌳 departments fail to identify young people with alcohol problems, preventing vital help. Over 85% of departments do not routinely ask young people or those over 65 about their drinking habits, despite NICE guidelines recommending screening and feedback.
Status epilepticus is a neurologic emergency with neuronal damage and systemic complications, emphasizing the need for timely treatment. The latest ILAE classification of epilepsy seizures and underlying etiologies are discussed, along with management guidelines and anticonvulsant drug therapies.
A new review investigates the relationship between pain and opioid misuse, revealing that pain can drastically change the brain's natural opioid system. The study aims to understand how pain affects addiction treatment, with the ultimate goal of developing more effective treatments for chronic pain.
Scientists have observed a surprising order in the surface of water droplets at the nanoscale, with molecules behaving like those in ice. This discovery could lead to a better understanding of atmospheric, biological, and geological processes, as researchers explore how additives like salt affect the water network.
Scientists have created a library of 308 compounds to test drug combinations for new therapies. A study found a synergy between flutamide and phenprocoumon that efficiently killed prostate cancer cells, targeting the androgen receptor. The CLOUD library is ideal for discovering new applications for approved active ingredients.
Two studies have shown how new potential anti-diabetic drugs interact with their target in the body, reducing blood sugar by increasing sensitivity to insulin and changing metabolism of fat and sugar. Researchers are now designing modified drugs that will work even more efficiently.
A Stanford University team developed a drug delivery tool that continuously regulates chemotherapy drug levels in living animals, maintaining a constant dosage despite individual variability. The technology, which includes a real-time biosensor and programmable pump, shows promise for adapting to control a wide range of drugs.
Moleculomics' new technology accelerates drug discovery by simulating protein interactions with chemicals, reducing development time and cost. The platform enables the high-throughput screening of candidate compounds against human proteins, identifying safe and toxic compounds.
Pharmacoscopy enables fast and accurate analysis of immune cell interactions, identifying previously unknown immunomodulatory effects of approved drugs. The technique has the potential to revolutionize personalized medicine by visualizing individual patient responses to various drugs.
A review of psychoactive substance use among healthy individuals highlights potential cognitive enhancements, but also safety concerns and ethical issues. The study suggests that more research is needed to understand the long-term effects and develop harm reduction strategies.
Researchers developed a protocol to detect high-precision how, where, and why drugs interact with DNA biomolecules. This method uses X-ray radiation and advanced simulations to rationalize drug preferences, revealing new insights into the mechanism of platinum-based drugs like Pt103.
Researchers have developed a machine learning model that can predict the outcome of cellular interactions and design new cancer treatments. The Stampede supercomputer enabled the team to run billions of simulations, allowing them to identify patterns in the data and create a system capable of predicting laboratory results.
Scientists have created a way to measure the heme levels within malaria parasites, which could help develop more effective treatments. The discovery could provide insights into how the parasites control their own heme levels and may lead to the development of new antimalarial drugs that target these mechanisms.
The study reveals that arrestin's C-edge loops interact directly with the membrane, forming a new type of binding. This discovery opens up new avenues for understanding the role of the membrane in GPCR-arrestin interactions and developing drugs with fewer side effects.
A new report from Weill Cornell Medicine emphasizes the importance of evaluating medication side effects and interactions in obesity treatment. Physicians are advised to prescribe alternatives that limit weight gain or aid in weight loss for patients with obesity.
Taking five or more medicines increases risk for harmful side effects and frailty in older adults. Research suggests reducing avoidable prescriptions can lessen risks.