A new study finds that El Niño increases the likelihood of extreme daily downpours in India's wetter regions, potentially leading to hazardous conditions. The research suggests changes in atmospheric buoyancy and low-pressure system tracks drive this intensification, which has remained steady over time despite regional shifts.
A recent study published in the Journal of Bone and Mineral Research found that blood fatty acid composition can predict bone mineral density from childhood to adolescence. The study, which included 480 children, found that higher proportions of certain fatty acids were linked to higher bone density.
Researchers discovered a new reductive uric acid pathway that functions without oxygen, which builds upon current knowledge of uric acid degradation. The study found that this pathway produces a metabolite called yanthine, which is elevated in patients with gout and could serve as a biomarker for diagnosing or monitoring the condition.
Researchers identified bile acid metabolites as potential biomarkers for diagnosing and predicting drug-induced liver injury (DILI). Chenodeoxycholic acid and deoxycholic acid were found to distinguish DILI patients from healthy individuals, exhibiting predictive potential for chronicity.
Researchers developed a new metabolic engineering strategy to boost the yield of succinic acid production in yeast, improving its efficiency and cost-effectiveness. The new process reduces the minimum product selling price by 25% and is expected to save companies millions of dollars annually.
Researchers found that INSL5 levels are high in patients with bile acid diarrhoea, leading to more watery stool. The hormone could aid development of a blood test and points towards a potential new treatment for the condition.
Researchers found that elevated L-aspartic acid levels predict gastric cancer risk, while influencing treatment outcomes of Helicobacter pylori eradication and garlic supplementation. This study suggests using plasma L-aspartic acid profiling to tailor prevention efforts and identify high-risk individuals.
A Nagoya University group created a sandwich ELISA technique to accurately measure polysialic acid levels in the blood of patients with psychiatric disorders. The technique uses antibodies that minimize non-specific binding, resulting in increased accuracy.
A new study published in Frontiers in Nutrition found that a low-fat vegan diet significantly decreased dietary acid load, a key risk factor for diabetes. The diet was also associated with significant weight loss of 13.2 pounds in overweight adults.
Researchers studied the effects of 6-PPDQ on the citric acid cycle in C. elegans, finding disruptions at environmentally relevant concentrations. The study revealed reductions in key metabolites and enzyme gene expressions, contributing to mitochondrial dysfunction and toxicity.
Researchers at Osaka Metropolitan University discovered a new way to block cancer cell energy production by suppressing de novo fatty acid synthesis with ethyl p-methoxycinnamate. This natural substance inhibits ATP production, leading to increased glycolysis as a possible survival mechanism in tumor cells.
A new study found that excessive oleic acid in olive oil drives fat cell growth, increasing the risk of obesity. High levels of oleic acid stimulate the proliferation of precursor cells that form new fat cells, leading to a larger capacity for storing excess nutrients.
A new study published in the American Society for Nutrition found that higher linoleic acid levels were associated with lower risks of heart disease and type 2 diabetes. The research used blood markers to measure linoleic acid levels in nearly 1,900 people, suggesting that this omega-6 fatty acid may support cardiometabolic health.
Researchers propose a synergistic strategy combining photothermal depolymerization and reforming to convert real-world polylactic acid into valuable platform chemicals. The approach facilitates efficient product separation and avoids contamination from impurities, producing hydrogen, CO, and other desired products.
A study published in the Journal of Pharmacological Sciences has discovered that ferulic acid can help prevent coronary artery spasms. The compound works by blocking calcium entry into muscle cells and stopping a specific protein from being activated, leading to reduced artery contractions.
Researchers from Uppsala University describe a fundamental mechanism of antibiotic resistance, revealing how FusB works like a crowbar to rescue ribosomes from fusidic acid. The study provides new insights into the most prevalent type of fusidic acid resistance in Staphylococcus aureus.
Researchers discovered that medium-chain dicarboxylic acids, particularly azelaic acid, can effectively preserve salmon by inhibiting microbial growth and maintaining freshness. The study found that these natural acids can extend the shelf life of salmon for up to 12 days without compromising its quality.
Researchers investigated the therapeutic mechanisms of ursolic acid on metabolic dysfunction-associated steatotic liver disease. Ursolic acid was found to reduce inflammation by modulating estrogen conversion via HSD17B14, a crucial enzyme regulating estrogen balance.
This study demonstrates how Parabacteroides distasonis increases β-hydroxybutyric acid (BHB) production, which drives STAT3 signals to promote liver regeneration. Treatment with live P. distasonis significantly promotes hepatocyte proliferation and liver regeneration after partial hepatectomy.
Researchers found over half of residential rain barrels in Champaign County had at least one mosquito-positive barrel. Effective prevention methods include mesh coverings, approved insecticides like Bacillus thuringiensis israelensis, and treating the water with chlorine or predators of mosquito larvae.
Researchers developed an electrochemical approach to convert harmful nitric oxide emissions into high-purity nitric acid, reducing industrial nitrogen waste and promoting sustainable pollution mitigation. The process operates at near-ambient conditions with minimal infrastructure, offering economic and environmental benefits.
A preclinical study found that linoleic acid, an omega-6 fatty acid, activates a major growth pathway in tumor cells, particularly in triple-negative breast cancer subtypes. A high-linoleic-acid diet enhanced tumor growth in mice with triple-negative breast cancer.
Researchers evaluate traditional precipitation phase partitioning methods and machine learning models, revealing near-freezing temperatures create inherent limitations in distinguishing between rain and snow. Accurate identification is critical for weather forecasting, hydrologic modeling, and climate research.
Researchers at Osaka Metropolitan University developed an engineered yeast that can produce record-high yields of D-lactic acid from methanol, a key compound used in biodegradable plastics and pharmaceuticals. The optimized yeast strain achieves a 1.5-fold boost in production compared to other methanol-based methods.
Researchers at Scripps Research have synthesized a stable form of carnosic acid, which showed enhanced memory and synaptic density in mouse models of Alzheimer’s disease. The compound also decreased inflammation in the brain, offering potential as an anti-inflammatory drug for treating cognitive decline.
A preliminary study found that taking higher doses of folic acid during the first trimester of pregnancy was safe and associated with improved verbal abilities and behavior skills in children at age six. The study, which included 345 children, showed no evidence of negative effects at higher doses.
Scientists at St. Jude Children's Research Hospital have uncovered the mechanism by which retinoic acid selectively kills metastatic neuroblastoma cells, using a novel pathway to trigger cancer cell death. The findings have implications for future combination therapy approaches.
Ferulic acid significantly reduced cell viability in three human colon cancer cell lines, suppressing cell growth and migration. The compound induced cell cycle arrest and upregulated tumor suppressor proteins, suggesting its potential as a dietary strategy for colon cancer prevention.
Researchers at German Cancer Research Center discovered that PPIs can be activated by zinc-carrying proteins without gastric acid. This finding could help understand the side effects of PPIs and open new perspectives for their better use.
Researchers have uncovered dynamic methylation changes that shape fruit flavor, providing insights into breeding improved lemon varieties with enhanced taste and market value. The study's findings highlight a direct connection between DNA methylation patterns and citric acid metabolism.
Researchers identified distinct metabolic profiles in skeletal muscle of Taoyuan Black pig compared to Duroc pig, with correlations to intramuscular fat content and lipid metabolism. The study provides insights into the muscle-adipose axis and potential targets for nutritional regulation.
Research led by the University of Michigan reveals that extreme rainfall disproportionately increases E. coli concentrations in recreational waters of communities of color in Texas, particularly those with higher percentages of Black residents in the north and east, and predominantly Latino communities in the south and west.
A new strategy enhances pharmaceutical production in Chinese hamster ovary cells by knocking out a gene circuit responsible for producing lactic acid. The approach improves growth rates and significantly increases protein yield, overcoming a decades-old challenge in biomanufacturing.
Researchers review recent advancements in converting biomass-derived ethanol and acetic acid to C4 chemicals, highlighting active sites, reaction parameters, and mechanisms. Key findings include the conversion of ethanol to butadiene and isobutene, as well as the development of highly efficient catalysts for this process.
Researchers at Nagoya University have developed a novel fuel cell electrolyte concept using phosphonic acid polymers with hydrocarbon spacers. The new membrane exhibits improved water insolubility, chemical stability and conductivity under high-temperature and low-humidity conditions.
New research reveals that during the early Eocene, the rain belt's seasonal shifts weakened dramatically due to extreme warming and a reduced Intertropical Convergence Zone (ITCZ). This ancient change could offer critical warnings about the impact of modern global warming.
Researchers at Shinshu University have discovered a key role for the HSR201 protein in salicylic acid production, a vital hormone for plant defense. The study found that HSR201 localizes to peroxisomes and uses a unique targeting signal to produce salicylic acid, which is essential for plant immunity.
A novel citric-acid-based method has been developed to recycle metals from NCM cathodes with minimal energy usage and lower emissions. The process involves a relatively small amount of citric acid, allowing for efficient separation and reclamation of lithium, nickel, cobalt, and manganese metals.
Researchers have discovered a new route to produce fluorochemicals from fluorspar, eliminating the need for hazardous hydrogen fluoride. The aqueous reaction pathway uses mild conditions and can be adapted to various Lewis acids, providing access to commonly used fluorinating reagents.
A global convection-permitting model developed by a team from USTC accurately predicted the 2020 plum rain event in Japan, capturing its intensity and location. The model improved forecast accuracy at high resolutions, aligning well with observational data.
Researchers found a surprising link between high levels of methylmalonic acid and the weakening of CD8+ T cells, shedding light on potential pathways through which aging may promote lung cancer progression. Elevated methylmalonic acid levels disrupt energy production in immune cells, making it harder for them to fight cancer.
Researchers have determined complex acid-base equilibria for sulfur dioxide in water and found unique behavior at the liquid-vapor interface under acidic conditions. This knowledge is crucial for developing strategies to reduce air pollution and its harmful effects on health and the environment.
A new study by Simon Fraser University researchers found that folic acid supplementation may weaken the link between blood-lead levels and autistic-like behaviors in children. The study suggests that adequate folic acid supplementation mitigates the neurotoxic effects of lead, reducing the risk of autism.
Researchers have identified a promising approach to addressing the challenge of balancing disease resistance and plant growth. By modifying cold-regulated genes, they were able to decouple the salicylic acid-growth trade-off, allowing plants to maintain normal growth even with elevated acid levels.
An international study found that extremely heavy rainfall, occurring every five years, significantly increases mortality rates worldwide. The impacts vary greatly by region, depending on local climate and environmental conditions.
Researchers at the University of California, Irvine have identified ophthalmic acid as an alternative neurotransmitter that reverses movement deficits in Parkinson's patients. The study found that ophthalmic acid binds to calcium-sensing receptors, offering a promising new avenue for treating movement disorders.
The team created a new method by adding two different enzymes to the existing reaction, increasing conversion rates from 46% in 7 hours to 80% in 5 hours. This approach also improved fumaric acid production efficiency from 10% to 16%.
Researchers from Aarhus University developed a new method to predict which patients with chronic kidney failure are at risk of losing kidney function over time. The method analyzes acid-base balances in urine samples, revealing early signs of acid buildup that can be harmful to kidney function.
Researchers at Nanjing Agricultural University found that silencing the BcSRC2 gene reduces pak choi's drought resistance, while overexpressing it increases antioxidant levels. This discovery could guide future breeding strategies to create more resilient crops.
A study by UT Health San Antonio urologist Ronald Rodriguez found that combining valproic acid, an anti-seizure medication, with DHA, a type of omega-3 fatty acid, may reduce the risk of contracting COVID-19 and lessen its severity. The combination has been shown to activate ancient antiviral pathways against coronaviruses.
A new study reveals that risks to global water security are significantly higher when considering the environmental conditions and governability of areas where moisture evaporates before falling as rain. This approach identifies regions with high water scarcity risk, including those dependent on neighboring countries for upwind moisture.
Researchers found that turbulent movements of air in clouds play a key role in the growth of droplets and initiation of rain. Simulations with turbulence showed rain formed around 20 minutes earlier and with seven times more rainwater than simulations without turbulence.
New research reveals that bile acid imbalances contribute to the development and progression of fatty liver disease (MASLD) and alcoholic liver disease (ALD). Targeting bile acid signalling pathways shows promise as a potential treatment approach for these diseases.
Researchers create Pt/CdS catalyst for upcycling polylactic acid to hydrogen and pyruvic acid through photothermal catalysis, improving the activity of the process. The study reveals that the oxidation of poly-lactic acid molecules is initiated by the cleavage of the α-C(sp³)-H bond.
Researchers found that hyaluronic acid with a specific molecular weight improves host inflammation by modulating the gut microbiota and metabolites. The optimal molecular weight range of hyaluronic acid to improve host inflammation has been identified, providing new strategies for alleviating inflammation.
The researchers created a chemosensor that detects lactic acid levels in saliva without the need for an electrical power source, opening up possibilities for easy use in remote locations. The sensor uses graphene foam technology to measure changes in quantum capacitance when lactate binds, allowing for lower-cost and more reliable trac...
A study analyzed serum bile acid profiles in patients with colonic polyps and cancer, finding lower deoxycholic acid levels and higher taurocholic acid levels in those with colonic neoplasms. The study suggests a potential relationship between bile acid profiles and colonic neoplasms risk.
A low-cost, tin-based catalyst selectively converts CO2 to ethanol, acetic acid, and formic acid, producing valuable liquid hydrocarbons. The discovery could help reduce greenhouse gas emissions by converting CO2 into desired chemicals near the site of production.
Researchers created an enzyme with a reactive boronic acid group, enabling faster and more selective catalytic reactions. This breakthrough has potential applications in the pharmaceutical industry, offering a greener alternative to traditional chemical synthesis methods.
A novel CCU process produces formic acid from CO2, offering a promising solution for a carbon-neutral society. The development of the process resulted in a significant reduction in production costs and minimized energy consumption.