Articles tagged with Metabolism
Scientists discovered a natural microbial compound that protects the gut and supports future treatments for inflammatory bowel disease. UroA activates a protective pathway in intestinal epithelial cells, triggering the release of molecules associated with maintaining normal intestinal function and repairing the gut lining.
Researchers at UC San Diego discovered a previously unknown mechanism that contributes to high blood cholesterol by depleting LDL receptors. A CTSA inhibitor has already shown safety in humans and may be effective in treating high cholesterol, offering a new treatment option for patients.
A recent study published in Metabolism found that our internal clock independently affects the energy we burn after eating, peaking in the morning and decreasing at night. This discovery sheds light on why late eating may contribute to weight gain or struggles with weight loss.
A new study published in Cell Metabolism found that a low-protein, amino acid-supplemented 'longevity diet' improved cardiometabolic markers and reduced frailty and fat mass in mice. The diet was associated with longer healthy lifespan and better metabolic health in both mice and humans.
Research explores role of short-chain fatty acids in regulating dendritic cell development and differentiation via epigenetic regulation. Study reveals butyrate increases expression of surface molecules, influencing immune-cell trafficking and localization.
Researchers from Kyushu University discovered that the circadian clock protein BMAL1 drives macrophages towards a pro-inflammatory M1 state by activating inflammatory signaling pathways. This mechanism links the body clock to intracellular metabolism and immune function, offering new insights into treating inflammatory diseases.
A new study reveals that a change in diet may have paved the way for the evolution of spectacular displays in manakins. The research found that genetic fingerprints of strong sexual selection and changes in taste and digestion linked to a fruit-based diet drove the emergence of elaborate mating behaviors.
A new paper by over 20 protein experts examines widely held propositions about dietary protein, concluding that some science is insufficient or not robust enough to support certain claims. Key findings include the importance of protein quality, individual essential amino acids, and nuance in high-protein intake during weight loss.
Researchers discovered that supergiant deep-sea isopods have a dual survival strategy to cope with nutrient-poor conditions: an enlarged stomach for storing food and extremely low basal metabolic rate. This allows them to thrive in extreme environments.
Researchers at Nagoya University identified the neural circuit responsible for timing torpor in mammals, which reduces body temperature and metabolism. The discovery provides new insights into how animals regulate energy use.
Researchers investigated the interplay between host and gut microbiota in selenium metabolism, finding that gut microbiota transform selenium into metabolites influencing utilization, detoxification, and excretion. The study also revealed that Se intake affects bacterial diversity and that gut microbes produce unique selenometabolites.
Researchers found that the gut responds to protein deficiency by activating a fast neural circuit and a slower hormonal signal, which selectively changes dietary priorities. The study reveals a previously unknown gut-brain signaling system that rapidly alters feeding behavior in animals.
Researchers identified a vitamin K-dependent GAS6 pathway that controls osteoclast maturation and bone resorption in mice. Osteoblasts use Vitamin K signals to regulate osteoclast fusion via the GAS6 pathway.
Researchers developed an AI framework, MouseMapper, to map disease-related changes in the entire mouse body. They found widespread inflammation and previously unrecognized damage to facial sensory nerves caused by obesity, which was also observed in human tissue.
A new study from the University of Virginia finds that next-generation GLP-1 drugs can alter brain circuits controlling motivation and reward. The research shows that these drugs not only suppress appetite but also influence how the brain values food, helping explain their effectiveness and side effects.
A review from Florida Atlantic University links obesity to Alzheimer's disease through disruptions in metabolism, highlighting the importance of mitochondrial function and gut-brain axis balance. Early detection and whole-body prevention may become possible through monitoring metabolic health.
A long-term MRI study finds that lower accumulation of visceral fat is associated with preservation of key brain structures, better cognitive performance, and slower brain atrophy. The study suggests that glucose control and insulin sensitivity mediate the relationship between abdominal fat and brain aging.
A new study found that fur seals' heart rate peaks six to eight hours after returning to land, indicating a delayed recovery from the physiological costs of foraging at sea. This suggests that seals use their time onshore to actively recover and replenish oxygen stores.
Scientists created hybrid macrophages that can simultaneously promote blood vessel and bone growth, potentially improving outcomes for patients with bone fractures. The discovery could lead to new cell-derived therapies that speed up recovery and improve healing.
Scientists create a novel nano-delivery system that boosts NAD+ synthesis and reduces consumption, rapidly restoring energy metabolism in damaged kidneys. The approach halts disease progression and prevents chronic kidney disease, offering a promising drug development platform for AKI and other energy metabolism disorders.
A recent study published in Cell Reports identified a key pathway through which the hormone FGF21 influences eating behavior and energy balance. The findings highlight the importance of nutrition in brain function and suggest that FGF21-based therapies could be optimized to target specific brain circuits.
A study identified exosomal microRNA-122-3p as a key driver of MASLD pathogenesis. Elevated miR-122-3p levels induced triglyceride accumulation and reactive oxygen species production in liver cells.
A novel oral nanoreactor targets isoamylamine, a gut-derived metabolite associated with age-related cognitive decline, by degrading it through monoamine oxidase. The treatment also reduces oxidative stress and improves spatial learning and recognition memory in aged mice.
A study published in Chinese Medical Journal reveals how mitochondrial activity is regulated in heart muscle cells. Mitochondrial dysfunction disrupts energy production and affects cardiac outcomes, with various proteins managing mitochondrial biogenesis and mitophagy.
A hormone called FGF21 reverses obesity in mice by signaling to the hindbrain, a region targeted by GLP-1 drugs. This finding provides insight into the naturally occurring hormone's benefits for weight loss and MASH treatment.
A meta-analysis of GLP-1 receptor agonist studies found potential safety signals for gastrointestinal side effects, while some evidence suggested a link to reduced respiratory disease risk. Further research is needed to confirm the latter association.
Research systematically maps how bacterial metabolites influence disease progression and immune cell functions, highlighting their dual effects on the body. The review emphasizes the need for holistic regulation of metabolite profiles to achieve precision interventions.
A comprehensive study decodes structure-function relationships governing surfactant-mediated enzyme protection, revealing a competitive stabilization mechanism. The research identifies key factors influencing mitigation efficacy, including hydrophobicity and hydrogen bonding capacity, and provides predictive power for designing more ef...
A review highlights the importance of healthy lifestyles in reducing the risk of cardiovascular disease and type 2 diabetes. Adhering to optimal lifestyle factors, such as a heart-healthy diet, regular physical activity, and adequate sleep, can dramatically lower disease incidence.
Researchers have identified and overcome metabolic instability as the key barrier to developing ovalicin, a potent relative of fumagillin. Using chem-bio hybrid synthesis, they created metabolically stable drug candidates that worked in animal models of amebiasis.
Researchers have identified a key protein that activates brown fat by expanding blood vessels and nerves, which can regulate body temperature and is linked to weight loss. The findings suggest a new approach to treating obesity that deviates from suppressing appetite.
A study by King's College London found that night shift workers with type 2 diabetes face challenges in maintaining a healthy diet and managing their condition. The research revealed limited access to nutritious food options during night shifts, leading to poorer quality nutrition and greater variability in glucose levels.
The São Paulo School of Advanced Science in Obesity will provide graduate students and early career researchers with a two-week training program on obesity research and prevention. The school will feature renowned keynote speakers and cover topics such as epidemiological aspects, genetic nutrition, epigenetics, and emerging preventive ...
Children with metabolically healthy obesity at treatment initiation have an increased risk of type 2 diabetes, hypertension, and dyslipidemia. Reduction in BMI z score is associated with reduced cardiometabolic risk, suggesting treatment should be recommended for these children as well.
Researchers discovered a metabolite called pTOS in pythons that increases appetite suppression in obese mice, leading to significant weight loss. The study sheds light on the power of studying extremes in the animal kingdom and may lead to new weight-loss treatments.
Researchers discovered an appetite-suppressing compound in python blood that promotes satiety without stomach problems. The compound, para-tyramine-O-sulfate, has potential for new weight loss treatments.
Researchers at the University of Pennsylvania developed lipid nanoparticles that modify immune metabolism to strengthen mRNA vaccines and reduce common side effects. The new lipid boosts the metabolism of immune cells, providing energy for the body's defenses while dialing down inflammatory signals.
A new study shows that high-intensity interval training increases the number of mitochondria and expands the active membrane, enhancing energy production and potentially improving endurance. The findings, published in the University of Southern Denmark, also suggest that muscle mitochondria are more adaptable than previously thought.
A study published in Nature Communications reveals that human DNA is crowded with metabolic enzymes, which interact with DNA and play a crucial role in cancer cell growth and response to treatment. The unique pattern of enzymes differs by cancer type and tissue, providing new clues for understanding cancer biology.
Copper metabolism plays a crucial role in inflammatory bone diseases, with copper overload suppressing glycogen synthesis and increasing inflammatory activity. Researchers found that cuproptosis, a form of programmed cell death, can lead to bone weakening and osteoclast formation, providing a potential new therapeutic target.
Research reveals that salivary bacteria from gum disease alter gut metabolism, driving osteoclast activity and systemic bone loss. Microbial metabolites like indole-3-lactic acid inhibit osteoclast differentiation and activity.
A Pennington Biomedical researcher published an editorial on the benefits of fruit intake for vascular health, citing a study on increasing fruit intake with avocados and mangos. The findings suggest that diets rich in fruits can improve nutrient status and health outcomes, aligning with the goals of the Food Is Medicine initiative.
A team of scientists discovered that the mannose pathway plays a crucial role in regulating cell fate decisions in low glucose environments, particularly in cancer cells. They found that reducing mannose pathway activity led to impaired N-glycan biosynthesis and activated pro-survival signals, which can contribute to cancer progression.
Researchers found widespread occurrence of tri-OPEs and di-OPEs in the Tibetan Plateau's terrestrial ecosystem. The study confirmed the trophic dilution behavior of OPEs along a representative food chain, with bio-transformation and metabolism playing key roles.
Researchers created an automated method to quickly analyze the metabolic effects of natural products, such as kratom, using high-resolution mass spectrometry and molecular network mapping. This breakthrough provides a detailed view of how chemicals are reshaped by human metabolism, marking a major step in natural products research.
A University of Lausanne research team discovered vitamin B7's role in bypassing glutamine addiction in cancer cells. The study found that pyruvate, enabled by pyruvate carboxylase and vitamin B7, fuels cells' energy cycle even without glutamine.
A new study published in Science Advances has shed light on how the body responds to energy demands from exercise, identifying a crucial cell signaling mechanism that could lead to a new treatment for diabetes. The research focuses on Adenosine Monophosphate-Activated Protein Kinase (AMPK), a regulator of energy production, and reveals...
A gene variant controlling blood vessel formation in muscles affects endurance and metabolism. High-intensity training can increase blood vessel growth by reducing the gene's activity.
Researchers found that Parkinson's patients experience weight loss due to selective fat depletion, not muscle loss, driven by impaired carbohydrate-based energy production. This metabolic shift highlights a disorder of both the brain and body, driving disease progression.
Rice University scientists create a detailed map of the Alzheimer's brain using hyperspectral Raman imaging and machine learning. The findings show that chemical changes are unevenly distributed across the brain and extend beyond amyloid plaques, revealing broader metabolic differences between healthy and diseased brains.
Insilico Medicine nominates ISM5059, a peripheral-restricted NLRP3 inhibitor, as a preclinical candidate for treating various inflammatory diseases. The compound has demonstrated high potency, selectivity, and excellent in vivo efficacy across animal disease models.
A study by UNICAMP researchers found that women with a history of yo-yo dieting have increased body fat, worse metabolic indicators, and reduced brown fat activity. The 'yo-yo effect' impairs metabolism and reduces BAT activity in women.
A new scientific review summarizes 12 human clinical trials on the cardiometabolic effects of wild blueberries, finding improvements in blood vessel function and beneficial changes to the gut microbiome. Regular consumption of one cup per day may support overall health benefits.
A new study from the University of Victoria found that higher insulin levels at age 47 predicted younger onsets of hot flashes and night sweats. Insulin may be a stronger predictor of hot flashes when taking other metabolic variables into account, while body mass index (BMI) appeared more closely associated with estrogen level changes.
Researchers identify acetylation as a fine cellular regulatory mechanism that affects pyruvate kinase function and stability. The study reveals isoform-specific regulation of PKM by acetylation, which helps understand how cancer cells proliferate.
Researchers have identified three new skin-protective compounds called oryzaceramides A, B, and C from rice bran by-products. These acylated glucosylceramides play a crucial role in maintaining epidermal integrity and demonstrate significant skin barrier-enhancing effects.
A new consensus statement provides evidence-based guidance for screening, diagnosis, treatment, and return-to-play protocols for female athletes. The updated report includes a first-of-its-kind adolescent model of the Female Athlete Triad, addressing energy deficiency in growing adolescents.
Researchers discovered genes that regulate fibroblast growth, which builds the scaffolding between cells. Adjusting these factors reversed age-related changes and improved health outcomes in mice. The study offers new opportunities to understand and reverse aging-related diseases.