Articles tagged with Metabolism
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 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.
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.
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 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 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 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.
Researchers at Northwestern University discovered a hidden molecular control switch inside the protein TRPM5, which regulates taste, blood sugar control and gut health. The switch can be activated or inhibited by small molecules, unlocking new opportunities for therapeutic development.
Researchers at Northwestern University and Stanford University develop a new artificial metabolism that converts waste carbon dioxide into acetyl-CoA, a universal metabolite used by all living cells. The system, called Reductive Formate Pathway (ReForm), uses engineered enzymes to perform metabolic reactions never seen in nature.
Researchers will investigate how HIV and cancer drugs damage brain cells over time, identifying potential early biomarkers of neurotoxicity. They will use human brain organoids grown in the lab to mimic brain physiology.
Researchers discovered metabolites in fossilized bones of animals that lived 1.3 to 3 million years ago, providing insights into their health, diets, and environments. The findings revealed warmer and wetter conditions compared to today.
Researchers identified a specific type of gut bacteria, Turicibacter, that promotes metabolic health and reduces weight gain in mice. The bacterium produces fatty molecules that are absorbed by the small intestine, improving ceramide levels and preventing excessive weight gain.
Researchers found that higher levels of theobromine are associated with slower biological aging in humans, as measured by epigenetic markers such as DNA methylation and telomere length. The study suggests that theobromine may support healthy aging by influencing molecular epigenetic processes.
Researchers at University of California San Diego School of Medicine discovered that immune cells can slow fat breakdown when exposed to physiological stressors, helping early humans preserve energy stores. This finding provides new insight into the underlying metabolism of obesity and other metabolic disorders.
A new study describes a three-hit metabolic signaling model that reframes autism as a treatable disorder of cellular communication and energy metabolism. The model suggests that up to half of all autism cases might be prevented or reduced with prenatal and early-life interventions.
A study by Van Andel Institute scientists found that reducing calorie intake helps cancer-fighting immune cells do their jobs more effectively. The researchers discovered that a low-fat, high-protein diet given once a day promotes the formation of ketones, which act as a cellular fuel for T cells to become more effective tumor fighters.
Researchers mapped NBCn1's structure-function properties to understand how breast cancer cells thrive in hostile environments. The study provides insights into the protein's dynamics and ion transport pathways, paving the way for designing drugs that target this transporter.
Two Russian scientists' conceptual similarities challenge conventional aging views. Their ideas about hyperfunction and elevation remain relevant to modern research. Golubev explores the historical connections between Dilman and Blagosklonny, highlighting their contributions to aging science.
A new study suggests that sweat can reveal information about a person's health, including hormone levels, medication doses, and early detection of diseases like diabetes and cancer. Wearable sensors using artificial intelligence can detect specific metabolites in sweat, providing personalized health insights.
A controlled feeding study out of South Dakota State University shows that older adults who reduced ultra-processed foods naturally consumed fewer calories, lost weight and abdominal fat, and showed improvements in insulin sensitivity and inflammation. This study provides evidence that the Dietary Guidelines for Americans can deliver s...
Researchers found that senescent blood vessel cells play a key role in developing metabolic disorders like diabetes. Transplanting these cells into lean mice caused inflammation and metabolic dysfunction.
A new study led by Prof. Maayan Salton and Dr. Tal Schiller found that gestational diabetes alters the placenta's genetic messages, causing hundreds of errors in protein synthesis. The key protein SRSF10 appears to contribute to this process, suggesting a potential therapeutic target for mitigating its effects.
A human clinical trial found that consuming black cumin seed powder daily for 8 weeks significantly reduced blood triglycerides, LDL and total cholesterol levels. The study also showed an increase in HDL cholesterol levels, associated with a lower risk of heart problems.
Researchers tracked eight short-finned pilot whales in Hawaiian waters, finding they dive approximately 39 times a day to consume an average of 4 squid per dive. The team estimated the total annual consumption to be around 88,000 tonnes of squid, which is sufficient for the local population.
Researchers at University of Utah Health have found that AKI is triggered by ceramides, which cause serious injury by damaging kidney mitochondria. Using a backup drug candidate, the team was able to preserve mitochondrial integrity and prevent kidney injury in mice.
Researchers have identified a novel principle in biology that mathematically explains why the growth of organisms slows as nutrients become more abundant. The global constraint principle unifies two classic biological laws and provides a fresh perspective for looking at growth across all forms of life.
A new study uses fruit flies to explore the relationship between sleep and diet, finding that energy deprivation leads to increased feeding and sleeping behavior. The researchers propose that correcting sleep habits may help alleviate eating and metabolic disorders.
Research links low body weight in young Japanese women to reduced gut microbial diversity, with an increased presence of inflammatory species. The study suggests that improving eating habits could lead to improvements in gut microbiota and body weight.
A research team discovered that leucine prevents the degradation of specific mitochondrial proteins, enabling efficient energy production. This mechanism allows cells to adapt to increased energy demands during periods of nutrient abundance.
A multidisciplinary research team discovered that liver alterations associated with metabolic dysfunction can cause cognitive and neurological impairments. The effects were reversed by a therapy targeting the liver, establishing a 'liver-brain axis'. This finding opens up new therapeutic avenues for treating metabolic liver disease.
A recent study reveals that loss of liver growth hormone (GH) signaling contributes to the development of lean metabolic-associated fatty liver disease. The researchers developed a mouse model with hepatic GH receptor knockout and found that CD36-mediated lipid uptake and C/EBPβ-driven lipogenesis form a central regulatory hub driving ...
Scientists have discovered how a tungsten-containing enzyme in a microbe converts toxic waste gases into ethanol, offering a promising solution for sustainable fuel production. The breakthrough reveals the mechanism behind this process, enabling the production of valuable chemicals and fuels.
Researchers found that TRF1 protein loss led to leaner mice with altered metabolic profiles, including lower LDL cholesterol levels and improved blood sugar regulation. These benefits occurred without any detectable shortening of telomeres.
A study from the Champalimaud Foundation found that when fruit flies are deprived of essential amino acids, their brains upregulate two olfactory receptor genes involved in smell, leading to a refined sense of smell that guides them to protein-rich yeast and gut bacteria. This interplay between smell and taste regulates feeding behavior.
Researchers at St. Jude Children's Research Hospital found that metabolism guides the activation states of regulatory T cells, which dampen inflammation. The study reveals a link between mitochondrial function and lysosome activity in controlling these immune cells.
Researchers have discovered that HSL plays an unexpected role in the nucleus of fat cells, helping maintain healthy adipose tissue. This new understanding challenges 60 years of certainty about fat metabolism and offers avenues for better understanding metabolic diseases such as obesity.
A new study from UC San Francisco found that saturated fat affects the behavior of a protein called PER2, which orchestrates fat metabolism and circadian rhythms. Mice eating a diet high in hydrogenated fats struggled to adapt to winter, whereas those on unsaturated fat diets adjusted easily.
Recent discoveries on the molecular regulation of cholesterol metabolism have far-reaching implications for human diseases. Four interconnected modules of cholesterol metabolism are outlined, including hepatic de novo synthesis, intestinal absorption, and reverse transport via HDL.
Researchers at Redoxoma found that mitochondrial potassium channels regulate heat production in brown adipose tissue, a process critical for regulating energy expenditure and promoting metabolic health. Closing the channel is necessary for maximum thermogenesis.
Scientists worldwide are calling for accelerated development and standardization of energy metabolism measurement technologies to address global challenges. The conference highlighted the importance of understanding how organisms utilize energy, crucial for tackling climate change and public health crises.
Researchers found that voluntary running exercise mitigates cafeteria diet-induced behavioral changes via hormonal and microbial pathways. The study revealed specific metabolites, such as anserine and indole-3-carboxylate, were decreased by the cafeteria diet but partially restored by exercise.
A study published in Science Advances found that the ketogenic diet can have potentially dangerous impacts on metabolic health, including impaired blood sugar regulation and fatty liver disease. Mice fed the diet developed severe metabolic complications, with some changes starting within days.
A new study published in PNAS found that physical activity increases total daily energy expenditure without reducing it elsewhere. The research showed a clear link between being more active and spending less time sitting still.