Articles tagged with Drug Interactions
A new study using a cryo-electron microscope provides critical information for developing anti-nausea drugs that are effective against cancer patients' vomiting side effects. The high-resolution images reveal the attachment site of widely-used setron drugs on serotonin receptors, offering insights into how their design might be improved.
Researchers at Liverpool School of Tropical Medicine have gained new understanding of anti-malarial drug primaquine, a cornerstone in global efforts to eliminate malaria. The discovery may lead to the development of newer and safer antimalarial drugs.
Researchers discovered hundreds of previously unknown protein interactions through a new statistical model applied to the human genome. These findings may open new routes to develop drugs against deadly pathogens like M. tuberculosis.
A recent study found that decentralized collaboration in scientific research can increase the robustness of findings, particularly in drug-gene interactions. Independent groups using different methods are less prone to peer pressure and more likely to replicate results accurately.
Researchers at Tokyo University of Science discover that the anticonvulsant drug papaverine blocks the binding of high-mobility group box 1 (HMGB1) to its receptor, reducing inflammation in sepsis and cancer. The study uses a novel computer-based docking approach to find alternative uses for existing drugs.
A Texas Biomed Associate Professor has received a $100,000 grant to test an FDA-approved drug for reversing age-related cognitive decline and memory deficits in aged baboons. The study aims to develop a therapeutic intervention to enhance brain cell function and improve overall health.
Researchers have created a graphene-based sandwiched superstructure that enables efficient transport of nanoparticles inside cell membranes, outperforming traditional carriers in anti-cancer efficacy. This discovery could significantly improve cytotoxicity effects and pave the way for novel membrane-specific drug delivery modes.
A pilot study suggests that patients with chronic kidney disease who wear medical-alert accessories have a lower risk of developing kidney failure. However, there is no significant difference in rates of hospitalization or death between those who wear the accessories and those who do not.
A study found that elderly patients with heart failure who visit a pharmacist weekly are more likely to take their medications and be active, resulting in improved quality of life. The intervention increased adherence by 86% compared to usual care.
A QUT analysis of studies on attitudes towards medicinal cannabis found that health professionals are broadly supportive but concerned about psychiatric harm and misuse. They also lack knowledge across all aspects, including pharmacology and legislation.
A new study investigates potential botanical-drug interactions (BDIs) with Boswellia serrata extract, a widely used anti-inflammatory supplement. The study compared two in vitro methods and found that the sandwich-cultured human hepatocyte model is a more accurate predictor of BDIs.
A KAIST research team created a microfluidic-based drug screening chip that identifies synergistic interactions between two antibiotics in just eight hours. This technology can aid in exploring critical pharmacological patterns of antibiotic interactions and guide clinical therapies.
Researchers created an agent-based model called NarcoLogic to simulate cocaine trafficking networks and interdiction efforts in Central America. The model shows how traffickers adapt their strategies in response to interdiction, leading to the emergence of new trafficking nodes and expanding the network.
A study found that popular health apps share user data with 55 unique entities, including companies and service providers, posing significant privacy risks to consumers.
The researchers developed a molecule called SAMβA that not only stabilizes but regresses heart failure in rats. The molecule improves the heart's capacity to pump blood and reduces oxidative stress in heart cells.
Researchers have found a way to replace hydrogen atoms with fluorine in organic molecules, increasing their metabolic stability and potentially leading to more effective pharmaceuticals. This breakthrough could lead to the development of new treatments for various diseases.
Patients with interstitial lung disease often experience significant treatment burdens, including drug-disease interactions. The study highlights the importance of careful evaluation before treatment initiation to minimize complications.
Researchers at St. Jude Children's Research Hospital developed a method to customize and reduce drug interaction alerts in electronic health records. The study made 26 changes that affected 47% of alerts, resulting in a 40% decrease in alert overrides.
Research reveals how gut bacteria influence drug response and effectiveness through metabolization processes. The study provides a new framework to disentangle host and microbiome interactions, enabling the development of tailored medications.
Researchers at UC Davis developed a novel simulation that provides insights into vital atomic-scale drug-cardiac cell interactions. The study advances the development of new antiarrhythmic drugs targeting voltage-gated sodium channels, which can help predict individual patient responses to drug therapy.
A recent study has uncovered the molecular basis for artemisinins' effect on inhibitory neurotransmission, potentially leading to new treatments for neurological diseases. The research reveals that artemisinins target gephyrin, a protein involved in regulating inhibitory neurotransmission.
The OCTN2 transporter plays a vital role in maintaining carnitine homeostasis, and its deficiency can cause severe muscle pathology. The OCTN1 transporter is associated with inflammatory diseases, such as Crohn's disease, and may have anti-inflammatory properties.
Scientists at Duke University and colleagues have identified four main shapes of the angiotensin receptor, which interact differently with various drugs. This breakthrough could lead to the development of more specific medications that target only the desired effects, reducing unwanted side effects.
Pharmacogenetic testing, which maps a person's genetic makeup, can ensure patients receive effective and safe medications. This technology has the potential to deliver an economic benefit of $12 billion over five years to the national health system in Australia.
A recent study found that a long-mysterious PCSK9 mutation leads to heart disease by disrupting the interaction between PCSK9 and the LDL receptor. The researchers discovered that a specific sugar chain, heparan sulfate proteoglycan, plays a crucial role in this interaction.
The review examines chemotherapeutic drugs that bind to plasma proteins, such as cisplatin, 5-fluorouracil, and ruthenium-based compounds. These drugs interact with key plasma protease inhibitors, altering their function and inactivating them.
Researchers found that street-based FSWs with more frequent abusive police interactions had a higher risk of client violence, emphasizing the need for interventions addressing relationships between FSW and police. The study also highlights the importance of decriminalizing sex work to alleviate pressure on these women.
A team at Cal Tech developed a novel approach to building a water force field, demonstrating its accuracy in predicting various properties of water. The new force field shows promise in improving drug design and understanding anomalous characteristics of water.
Scientists create assay to detect protein-protein interactions with strong fluorescent signal, enabling disease therapy development and drug screening. The technique uses genetically engineered human cells producing fluorescent proteins, allowing researchers to observe interactions in living cells.
Scientists at USC and SLAC develop a 3D map of the structure of a cell receptor as it binds to misoprostol, a key drug for women's health. This research provides a starting point for new drug discoveries that could reduce maternal mortality rates.
Researchers discovered how filamin A and Drp1 interact to facilitate mitochondrial fission under hypoxic conditions, leading to heart failure. The study found that cilnidipine prevents this damaging process, preserving heart function after a heart attack or in cardiovascular disease.
Researchers at Shinshu University discovered that editing fusicoccins, a toxic organic compound, can transform them into chemicals with anti-tumor properties. The study suggests that the compound works as a stabilizer for protein-protein interactions, which could lead to the development of new clinically relevant anti-cancer agents.
Patients with newly diagnosed kidney failure may experience delays in accessing preferred dialysis methods due to lack of insurance coverage. Uninsured patients were less likely to use arteriovenous fistulas or grafts and had a higher risk of dialysis-related infections compared to those with Medicare or Medicaid.
Researchers at Jefferson University have identified a molecular lock and key that controls calcium's entry into mitochondria, revealing a new target for drug discovery. The finding suggests that compounds like ruthenium red/360 can block calcium entry into cells, potentially treating neurodegenerative diseases.
A University of Adelaide forensic pathologist warns that harmful substances in herbal medicines might contribute to deaths of 'health tourists.' Closer post-mortem checks are needed to consider adulterants.
MIT researchers developed a cryptographic system to securely analyze massive pharmacological datasets, enabling broad pooling of sensitive data for predictive drug discovery. The neural network identified novel interactions, including one with leukemia drug imatinib and an enzyme ErbB4, which could have clinical significance.
Researchers developed a secure multiparty computation protocol to facilitate collaboration among pharmaceutical companies and laboratories without revealing confidential data. The approach improved the ability of predictive models to identify new therapeutic candidates at an unprecedented scale and rate.
A new approach integrates genomic and temporal information to infer causal relationships between genes, drugs, and their environment, allowing for a more accurate prediction of their interactions over time. The tool demonstrates the improvements in inferring genetic causes of disease enabled by higher-resolution molecular profiling.
A study found that cancer patients are open to using complementary alternative medicines, but poorly informed about safety issues and risk of interactions with anti-cancer drugs. Vitamin D supplements were the most popular choice, followed by selenium plus zinc.
Researchers found that the gene sequence for serotonin uptake is nearly identical in human and octopus genomes, suggesting serotonin regulates social behavior in both species. The study used MDMA to enhance prosocial behaviors in octopuses, mirroring its effects on humans.
The research collaboration aims to create human organs-on-chips using miniature devices that mimic specific tissues and organs. These organs-on-chips have the potential to predict drug activity and toxicity more accurately than animal models.
Scientists at the University of Cambridge have developed a new technique to determine the structure and interactions of the Zika virus genome inside human cells. This technique, called COMRADES, can screen for host-virus RNA base-pairing and reveal interacting sequences, offering potential targets for anti-viral therapies.
Researchers discovered thousands of four- and five-drug combinations that are more effective at killing harmful bacteria than previously thought. The combinations work by targeting the bacteria in different ways, such as attacking cell walls or DNA.
Researchers have successfully implanted a device in mice brains to detect, stop and prevent epileptic seizures. The device uses a neurotransmitter to signal to neurons to stop firing, effectively ending the seizure. Early results show promising potential for treating conditions like Parkinson's disease and brain tumors.
A study found that nearly 20% of children use prescription medications, with 7.5% using multiple medications simultaneously. Adolescent girls are most vulnerable to harmful drug-drug interactions due to higher concurrent use of antidepressants and other psychotropic medications.
Researchers at UNC School of Medicine discovered a rare gene mutation causing hydrops fetalis, a fatal condition in fetuses. The mutation impairs CLR receptor interaction with RAMP protein, disrupting adrenomedullin signaling and leading to fatal consequences.
Researchers at Washington State University discovered that cancer-fighting drugs can slow or stop fungal infections in plants by activating genes used to defend against pathogens. The study showed two different results from the applications of DNA-specific drugs on pea tissue, with differing mechanisms of action.
Researchers at the University of Zurich have developed a new method for alleviating chronic itch by targeting specific neurons in the spine that prevent itch signals from being relayed to the brain. The experimental drug has been shown to be effective in mice and dogs, with significant reductions in scratching and improved skin healing.
The project aims to improve patient safety by increasing the specificity of warnings about dangerous drug combinations and identifying shared experiences to refine algorithms. It will be implemented in over 50 health-care facilities across the US.
Researchers have created a new drug that stimulates GPR88 receptor, reducing rats' tendency to drink alcohol. The molecule, RTI-13951-33, is potent and selective for the receptor, crossing the blood-brain barrier more effectively than its predecessor.
Scientists at the University of Bristol have developed new virtual reality cloud-based tools to accelerate research tasks in drug and material discovery. Using real-time molecular simulations, researchers can now interact with molecules in a virtual space, folding, knotting, and changing their shape to test interactions.
Scientists have visualized the interaction between two critical components of the body's cellular communication network using cryo-electron microscopy. The near-atomic resolution images show a G-protein coupled receptor bound to an inhibitory G protein, providing a blueprint for designing more precise and selective drugs.
Scientists at Charité and Stanford University decipher the molecular step of cellular signal transmission involving G protein-coupled receptors (GPCRs) and arrestin. The study's findings could lead to the development of specific drugs targeting diseases like asthma, schizophrenia, hypertension, and cancer.
A recent study found that heroin users derive more pleasure from using it at home, while cocaine users enjoy it more outside. The brain regions involved in processing drug reward and context were activated during the emotional imagery task.
A Korean research team developed a deep learning-based framework, DeepDDI, to predict 86 types of drug-drug and drug-food interactions. The model accurately predicts interactions for drug-pair constituent pairs with a mean accuracy of 92.4%.
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.