Articles tagged with Metabolites
A new study found that reducing alcohol use can lower nicotine metabolite ratio in heavy drinkers trying to quit smoking. This biomarker is linked to nicotine metabolism and quitting difficulties.
Researchers at Scripps Research Institute have identified an important intermediate step in how alcohol intoxication occurs. The enzyme phospholipase D2 links ethanol molecules to lipid membranes, triggering a metabolite called phosphatidylethanol that causes nerves to fire more easily, leading to hyperactivity in flies.
Scientists discover hundreds of unrecognized halogenated contaminants in polar bear serum, including polychlorinated biphenyls and perfluoroalkyl sulfonic acids. The study reveals increasing levels of these pollutants over the past two decades, posing potential health risks to the Arctic ecosystem.
Researchers develop NMR analysis to pinpoint hazelnut country of origin, identifying distinct metabolite profiles for specific regions. The new method achieved 96% accuracy and could be combined with existing tests for enhanced reliability.
A new database collects results from the antiSMASH tool to ease comparison of thousands of bacterial genomes when it comes to metabolites. The database contains 6,200 full bacterial genomes and allows users to quickly access precomputed results.
A recent Illinois study provides a global view of plant cold stress by examining the entire collection of genes, metabolites, pathways, and reactions. This approach identifies significant metabolites associated with important traits and offers a step forward in metabolic profiling techniques.
Researchers developed a new method to use metabolites to predict diabetes and cardiovascular disease risk in people with obesity. The study analyzed over 2,400 participants and found that specific molecular signatures could identify individuals at higher risk of developing these diseases.
Researchers have designed a nanopore system capable of measuring different metabolites simultaneously in biological fluids, all in seconds. The system uses substrate-binding proteins as electrical transducers to detect single molecules, enabling real-time monitoring and diagnosis.
A new study reveals the effect of vitamin E is often based on luck due to its metabolite, alpha-carboxychromanol, which has a promising anti-inflammatory effect. Personalized medicine could be improved with this discovery, as the level of alpha-carboxychromanol in patients varies greatly.
A novel, paper-based method detects metabolite levels in blood using a bioluminescent sensor protein, measuring compounds like phenylalanine in minutes. The approach shows promise for point-of-care monitoring of diseases and injuries, potentially leading to faster diagnosis and management.
A new study found evidence of exposure to phthalates in 71% of bottlenose dolphins tested in Sarasota Bay, Florida. The presence of byproducts of the chemicals in the animals' urine indicates they have remained in the body long enough to process them.
Scientists at the Francis Crick Institute developed machine learning algorithms to predict yeast metabolism from protein content, shedding light on the complex relationships between enzymes and metabolites. This breakthrough could lead to the creation of perfect beer flavors and personalized treatments for metabolic disorders.
A new study found that abnormal levels of over two dozen metabolites can predict which Sept. 11 firefighters developed lung disease and which did not. The research provides a promising approach to early detection and possible treatment of lung damage in disaster victims exposed to fine particles.
Researchers have discovered that chemicals used in flame retardants can be broken down into more toxic compounds in birds, including bald eagles. The study found that these metabolites can accumulate in the eggs of bald eagles, potentially affecting their reproduction and overall health.
A WSU study using metabolomics found that shift work schedules alter 24-hour rhythms in digestive organs, disrupting metabolism and increasing the risk of obesity and diabetes. The study suggests that separate biological clocks in the liver, gut, and pancreas play a key role in this disruption.
A study combining metabolomics and microbiome data identifies distinct patterns in patients with ME/CFS, allowing for 84% accurate prediction of the disorder. The findings provide a promising lead towards developing lab tests and potential therapies.
Researchers found that green tea and red wine compounds can prevent the accumulation of toxic metabolites, which cause severe developmental disorders. This discovery could pave the way for new therapies to treat inborn congenital metabolic diseases.
A new study from the University of Eastern Finland found that adolescent drinking is associated with changes in metabolite profiles, which can lead to reduced brain grey matter volume. Heavy-drinking adolescents showed increased concentrations of 1-methylhistamine, linked to decreased brain grey matter volume.
Researchers found a clear association between the metabolite profile, sugar in diet, and NEC risk. Feeding lactose-containing formula protected piglets from NEC, while corn syrup solids increased risk.
Researchers developed a low-cost sensor made from semiconducting plastic that can measure critical metabolites in sweat, tears, saliva, or blood. The sensor offers higher sensitivity compared to traditional metal electrodes and can be easily modified to detect various metabolites.
A new study found that measuring ethyl sulphate in hair can assess alcohol consumption and detect a wider time frame of drinking behavior. Researchers successfully applied this method to patients with alcohol use disorders, highlighting the potential of hair as a non-invasive testing matrix.
Researchers at Johns Hopkins Bloomberg School of Public Health have developed a method to determine diet adherence from a blood sample. By analyzing small molecules called 'metabolites' in the blood, they found that levels differed significantly between participants following a prescribed diet and those not adhering to it.
A new blood test for autism has been validated for its exceptional success, predicting autism spectrum disorder with 88% accuracy in a second trial. The test uses an algorithm to analyze metabolites in a blood sample, offering a potential solution to lower the age of diagnosis and improve treatment outcomes.
Researchers at Nara Institute of Science and Technology have developed a novel method to detect specific metabolites in microalgae cells. By combining fluorogenic aptamers with femtosecond laser photoporation, scientists can identify efficient cells for metabolic engineering applications.
Researchers identified two tryptophan metabolites produced by gut bacteria that modulate inflammation, potentially reducing the severity of non-alcoholic fatty liver disease. The study found that these metabolites reduce cytokine levels and macrophage activity, which are key contributors to inflammation.
Researchers at Nagoya University have developed a new analytical system for real-time monitoring of metabolites in the brain, overcoming previous limitations in sensitivity and invasiveness. The system, combining probe electrospray ionization (PESI) and tandem mass spectrometry (MS/MS), successfully monitored cerebrum metabolites with ...
Researchers found that the microbes surrounding plant roots prefer a diet rich in organic acids, with sugars being preferred early in the growth cycle. This discovery could help scientists identify ways to enhance soil microbiome for improved carbon storage and plant productivity.
A Northwestern University study found that coffee consumption decreased endocannabinoid system metabolites, which regulate stress response, cognition, and appetite. The study also suggests coffee may facilitate the excretion of steroids, potentially affecting diseases such as cancers.
Researchers at Lund University found that certain amino acids in blood are connected to obesity and gut microbiome composition. The study analyzed 674 participants and identified metabolites linked to BMI, including glutamate and BCAA, which interact with intestinal bacteria.
Researchers have developed the first three-dimensional computer model to represent human metabolic processes. This new tool, Recon3D, integrates structural data on over 4,000 metabolites and nearly 13,000 proteins, allowing for more accurate simulations of metabolic reactions and better understanding of diseases such as Parkinson's.
Metabolomics offers a unique opportunity to examine genotype-phenotype and genotype-environment relationships in cancer patients. By analyzing metabolic profiles, researchers can identify specific signatures that predict pharmacological responses to treatments.
A team of researchers has mapped the biochemical networks of Aedes aegypti mosquitoes, identifying key pathways that facilitate virus replication. The study's findings have significant implications for controlling mosquito-borne diseases like dengue, Zika, and chikungunya.
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.
A comprehensive dataset of cancer cell metabolites has been compiled, showing consistent increases or decreases in certain metabolites across multiple tumor types. The study's findings offer insights into the metabolic programming between normal and cancer cells, with potential applications for novel therapies.
A new study from The Scripps Research Institute found that dietary xenoestrogens like zearalenone and genistein can reverse the effects of palbociclib/letrozole combination therapy for breast cancer. Exposure to these compounds may significantly reduce the effectiveness of anti-estrogen treatments.
A team of researchers sequenced and annotated the genomes of six Aspergillus species, identifying biosynthetic gene clusters for secondary metabolites of interest. The study highlights a new analysis method that pinpointed candidate genes for diverse compounds, providing potential tools for improving biofuel production.
Researchers studied native biocrusts, discovering that specific compounds are transformed by and strongly associated with specific bacteria. The study links microbial community structure to soil chemistry, shedding light on the roles of soil microbes in the global carbon cycle.
Researchers found that CD4+ T effector cells upregulate Mdr1 in response to bile acids, maintaining intestinal homeostasis and limiting oxidative stress. This study provides valuable insights into the interaction between Teff cells and metabolites, potentially leading to new therapeutic agents for inflammatory bowel diseases.
Researchers at Tohoku University have created a visual database of metabolites from over 5,000 Japanese volunteers, offering valuable insights into how specific compounds relate to each other. The jMorp database contains information on 306 metabolites and 256 common proteins, with graphical correlation tools to facilitate further study.
A new methodology for correlating compound identity to CYP1A2 potency of inhibitors in metabolic mixtures has been developed, providing direct identification of compounds with inhibitory properties. This approach allows for rapid assessment of pharmacokinetic properties of drugs and their metabolites, improving drug development.
A team led by OSU professor Kerry McPhail will study stromatolites in South Africa's barrage pools, seeking insights into chemical signaling and metabolite production among ancient microbial communities. The research aims to advance our understanding of the origins of life and develop new medicines.
Xanthones, antimicrobial compounds found in St. John's wort roots, are produced and stored in specific cell layers. The study's findings may aid in understanding xanthone biosynthesis and manipulating them for medicinal purposes.
Scientists at Scripps Research Institute found that taurine helps spark a process called remyelination, crucial for repairing nerve cells damaged in multiple sclerosis. Combining taurine with existing MS drugs and future remyelination-inducing treatments may improve overall efficacy.
A new study reveals that chronic kidney disease patients have abnormal metabolites in their cells' energy centers, supporting the view of CKD as a state of mitochondrial dysfunction. Researchers hope to identify novel therapeutic targets for CKD using metabolomics.
A study on rabbits found that exposure to BPA during pregnancy causes chronic inflammation in the intestines and liver, leading to changes in gut bacteria. This could have long-lasting health effects for the offspring, increasing the risk of obesity and inflammation-promoted diseases like colon cancer and type 2 diabetes.
Researchers found significant increases in glyphosate and its metabolite in the urine of older adults from Southern California between 1993 and 2016. Average glyphosate levels increased by 13 years, with detectable levels present in more than 70% of samples.
Research suggests that perinatal BPA exposure can lead to reduced gut bacterial diversity and elevated gut permeability, resulting in chronic colon and liver inflammation. Early correction of gut dysbiosis induced by environmental toxins may reduce the risk for chronic diseases later in life.
Scientists found that metabolic changes occur soon after quitting smoking and can lead to improved lung function and reduced heart attack risk. The study identified 52 metabolites altered by smoking, with several showing reversible changes towards a nonsmoker's profile.
Researchers at Aarhus University discovered a detoxification process in the body's fat-metabolism that captures and inhibits toxic methylglyoxal, a key player in age-related diseases. This finding may explain why low-carbohydrate diets with plenty of fat promote healthy aging and prevent diseases.
Researchers at Michigan State University studied the unique molecule acylsugars found in tomato trichomes, revealing their diverse structures and potential as natural pesticides. This discovery opens an evolutionary window into plant defense metabolism and could lead to innovative solutions for pest resistance and human medicine.
Researchers at NYU College of Dentistry have identified succinate as a promising target to prevent bone fractures in people with type 2 diabetes. The study found that hyperglycemic mice had significantly higher levels of succinate, leading to more fragile bones and increased risk of fractures.
Researchers at Washington University in St. Louis have caught primary metabolism in the act of evolving, revealing a novel form of an enzyme that produces tyrosine. This breakthrough could lead to increased production of essential compounds, such as vitamin E and opioids.
A metabolomics approach has identified a unique metabolic 'signature' that can accurately distinguish typhoid from other tropical diseases, providing a new approach for typhoid diagnostics. The study found excellent predictive power in distinguishing culture-positive typhoid patients from those with other diseases.
Researchers found that wine-derived human gut metabolites are protective against neuronal death in human cells under stress conditions. The exact composition of these metabolites depends on the individual's gut microbiota, highlighting the importance of personalized nutrition in preventing neurodegenerative diseases.
The University of Konstanz's biological chemistry working group has decoded a molecular mechanism that inhibits bacterial populations' swarming motility. This mechanism enables bacteria to produce various natural substances using minimal resources, which may aid in combating infectious diseases and antibiotic resistance.
Researchers have developed a highly sensitive method to detect even earlier stages of colorectal cancer by analyzing metabolites in blood plasma. The new screening method exceeds 96% sensitivity and specificity, confirming its effectiveness even for early-stage patients.
Researchers discovered a link between indolepropionic acid and reduced risk of type 2 diabetes. A diet rich in whole grain products and dietary fibre boosts indolepropionic acid production, promoting insulin secretion by pancreatic beta cells.
A new database of plant metabolites and computer tool have been developed to identify healthful antioxidants in tomato skins. The researchers found that valuable substances produced by exotic plants may be derived from more common species, and these findings suggest a broader range of potential uses for plant metabolism.
Researchers have discovered a unique metabolic signature in the urine of diabetic, obese black teenagers that may become a way to predict the development of type 2 diabetes. Levels of serotonin metabolites were found to be lower in those with diabetes, while other metabolites were higher.
Researchers have confirmed that resveratrol metabolites can be detected in ocular tissues, including the conjunctiva and aqueous fluid. This finding opens up new avenues for exploring the therapeutic potential of resveratrol in human eye health.