Articles tagged with Metabolism
Researchers found that older fish deviate from a youthful fasting and refeeding cycle, entering a permanent fasting state despite eating. Genetic activation of AMP kinase's γ1 subunit restored benefits of refeeding in old killifish, improving health and longevity.
Researchers from Incheon National University create gelatin patches that generate molecular oxygen to accelerate wound healing. The new hydrogels demonstrate improved coagulation, blood closure, and neovascularization in both in vitro and in vivo experiments.
A recent study published in the Journal of Cell Biology has made significant progress in understanding autophagy and lipid recycling. Researchers used yeast as a model organism to identify key players in the process, including Atg15, Pep4, and Prb1, and demonstrated that Pep4 and Prb1 activate Atg15 to break down phospholipid bilayers.
Researchers discovered that manganese ions can directly bind to the coat protein complex II (COPII) complex, enhancing its condensation and resulting in a unique bell-shaped regulation on blood lipid levels. This mechanism enables the reversal of atherosclerotic plaques in murine disease models.
Researchers at Karolinska Institutet have discovered that a metabolic increase in the hippocampus is an early indicator of Alzheimer's disease. The study found that changes in mitochondrial metabolism precede synaptic disorganization and impaired autophagy, highlighting potential new methods for early intervention.
Researchers found that thyroid hormones of the mother during pregnancy affect the later activity of brown adipose tissue in offspring. High maternal thyroid hormone levels were associated with more active brown fat in offspring.
Researchers discovered that gut microbiota-derived 7-DHC regulates circadian rhythms, reduces inflammation in the gut, and treats experimental colitis by targeting key genes. This molecule has potential as a novel therapeutic agent for inflammatory bowel disease (IBD).
Researchers at Saarland University have identified a crucial mechanism in the human OPA1 protein that enables optimal energy conversion in mitochondria. This breakthrough could lead to customized therapeutic solutions for patients with OPA1-related diseases.
Research found that poor sleep quality is associated with less muscle strength and mass, more body fat, anxiety, and depression in obese older people. The study emphasizes the importance of addressing sleep quality to prevent negative health outcomes in this population.
A new study reveals that changing nutrient use can reprogram immune cells, potentially treating cancer and infections. By blocking choline metabolism, researchers found a 'tremendous reprogramming of the immune profile' in mice, suggesting this knowledge could lead to novel therapies.
A new approach allows researchers to create maps of coral biochemistry, detailing the distribution of compounds integral to reef health. This innovation provides unprecedented insight into coral resilience and potential stressors like warmer ocean temperatures and acidification.
Researchers have developed a standardized synthetic molasses with a fully known composition that can be used as a culture medium for yeast fermentation. This breakthrough enables scientists to study the influence of specific components and develop bioprocesses worldwide, facilitating comparative research and industrial applications.
Peroxisomes, like miniature factories, specialize in detoxifying cells by dismantling excess fatty acids and toxic substances. The discovery sheds light on the recycling mechanism of biological nanomachines, AAA-ATPases, which keeps inner cell surroundings clean and functional.
Researchers found that training the gut's immune system to target flagellin, a protein enabling bacterial motility, protects against emulsifier-induced chronic intestinal inflammation and metabolic dysregulation. This study suggests a potential new approach for preventing inflammatory conditions such as obesity and type 2 diabetes.
A new set of diagnostic criteria for MAFLD has been developed, providing accurate and reliable diagnoses. This development has increased awareness of the disease and paved the way for further research and clinical trials, offering a significant step forward in diagnosing and treating MAFLD.
Researchers developed two Arf1 inhibitors that significantly increase T cell infiltration into tumors. By affecting lipid metabolism, they found that blocking Arf1 upregulates chemokine CCL5 and activates the PPARγ-NF-κB pathway, promoting cytotoxic T cell infiltration and anti-tumor effects.
Researchers at State University of Campinas found that coconut oil supplementation led to significant alterations in food intake, weight gain, and anxious behavior in mice. The study suggests that long-term consumption of coconut oil can contribute to the development of obesity and associated comorbidities.
A new CNIC study confirms that controlling traditional cardiovascular risk factors can prevent Alzheimer's disease and dementia. Maintaining a low cardiovascular risk is linked to preserved cerebral glucose metabolism, indicating better brain health.
Researchers overcome challenges in synthesizing iron-sulfur proteins by developing a novel protocol that functions in an oxygen-free environment. The protocol uses a combination of protein systems and enzymes to produce mature Fe-S proteins, which has significant implications for synthetic biology and anaerobic enzymology.
A new study suggests that extreme dietary habits, such as low-carb intake in men and high-fat intake in women, are associated with higher mortality risks. The findings indicate that individuals should balance their diet to avoid extremes, while ensuring energy from various food sources.
A team of researchers from Dalian Institute of Chemical Physics has developed a microbial platform for efficient lignocellulose bio-refinery in yeast. The system can produce valuable chemicals like fatty acids and 3-hydroxypropionic acid, overcoming limitations in xylose assimilation and glucose repression.
Recent meta-analysis finds MAFLD associated with higher risk of chronic kidney disease (CKD) in adults. People with MAFLD are 20% more likely to develop CKD than those without the condition.
Researchers found that liraglutide improves associative learning in people with obesity by restoring brain activity to normal-weight levels. The study showed that participants with obesity had reduced ability to associate sensory stimuli and decreased brain activity compared to those with normal weight.
Researchers have found that mouse stem cells mimic their parent animals' cold resistance, generating energy differently at low temperatures. This discovery opens up new avenues for studying organ preservation and human hibernation using in vitro models.
Researchers developed an AI model that estimates age from chest X-rays and found a correlation between age discrepancy and chronic diseases like hypertension and COPD. The model was validated using data from multiple institutions, showing strong results.
A study by Eötvös Loránd University researchers reveals that the iron uptake mechanism by plastids in the absence of light is similar to photosynthesis. This discovery has significant implications for our understanding of plant-based foods as a source of essential iron for humans.
Researchers found that ranolazine, a heart medication, slows down tumor progression and increases visibility of melanoma cells to the immune system. This combination could improve response rates for immunotherapies in patients with melanoma.
A new imaging technique, tau PET, has been shown to predict cognitive decline in Alzheimer's patients with greater accuracy than current methods. This breakthrough could lead to earlier diagnosis and treatment, improving patient outcomes.
A study published in Liver Research found that glucokinase activators (GKAs) improved glucose tolerance and insulin sensitivity in mice with diet-induced obesity. However, GKAs also induced hepatic lipid accumulation, which activated the PERK-UPR signaling pathway.
Researchers discovered CYP450s exhibit unique soft-robotic properties, acting as sensors and responding to stimuli. The findings open up new avenues in soft-robotics research, potentially revolutionizing fields like AI design and nanomachine synthesis.
Researchers at UC Riverside discovered that female mice secrete more RELMalpha, an immune protein, which protects them against obesity and inflammation. In contrast, male mice have lower levels of RELMalpha, leading to increased inflammation and obesity.
A study published in Hepatology reveals that abnormal pre-mRNA splicing is associated with liver disease caused by excessive alcohol consumption. The researchers propose targeting specific splicing factors as a novel approach to mitigate the disease.
Researchers discovered lactate's role in helping neural stem cells develop into specialized neurons. Lactate sends signals to cells, modifying and strengthening neuronal functions. The study provides insight into lactate signaling in the nervous system, with potential applications for preventing or controlling cognitive diseases.
Researchers found that mannose inhibits the growth of certain types of cancer cells, making them more vulnerable to chemotherapy. Mannose has been shown to trigger 'honeybee syndrome' in these cells, which impairs DNA synthesis and replication.
Researchers developed bio-piezoelectric smart scaffolds for next-generation bone tissue engineering, demonstrating potential for clinical applications. The scaffolds can reconstruct desired tissue EM through non-invasive ultrasonic stimulation, promoting cell adhesion and osteogenic differentiation.
A team from the University of Tokyo combines economic theory with biology to understand how natural systems respond to change. They use the Slutsky equation to discover that different metabolic systems share previously unknown universal properties, which can be understood using tools from other academic fields.
Researchers discovered a hormone in adipose tissue that protects beta cells, which make insulin, in lean individuals and reverses damage in obese people. The study provides hope for developing novel therapeutic strategies to mitigate obesity-related health problems.
A new database linking RNA editing to blood cell differentiation has been established, providing a platform to accelerate research on leukemia and other pathologies. The REDH database includes detailed information on RNA editing sites in healthy and malignant hematopoietic cells.
A comprehensive review of biochemical markers for bone fragility in diabetes identifies low bone turnover and alterations in bone quality as key factors. The study suggests that glycemic control, AGEs, and serum IGF-1 may have predictive value for fracture risk in patients with diabetes.
Plant microbiomes have the potential to make agriculture more sustainable, but understanding their complex interactions is crucial. Researchers have developed models that use metabolic capabilities of bacteria to predict how these microbial communities compete or cooperate.
Research shows that wild birds in vineyards are highly susceptible to triazole fungicide contamination, disrupting hormones and metabolism, impacting reproduction and survival. Vineyards use significantly more fungicides than other crops, posing a unique threat to bird populations.
A new study from Aarhus University reveals that female athletes who consume too little energy through their diet in comparison to their training volume experience negatively impacted muscles' ability to respond to training. The study shows that insufficient energy intake can lead to changes in the hormonal system, including a decrease ...
A 12-year study by Pennington Biomedical researchers found that metabolic surgery provides better results, less regression, compared to medical or lifestyle intervention for patients with class 1 obesity. The study showed significant improvements in glycemic control and weight loss, with high rates of diabetes remission.
A new study by University of California, Berkeley biologist Robert Dudley found that hummingbirds happily sip from sugar water with up to 1% alcohol by volume, without being repelled by it. The research suggests that birds are likely consuming ethanol produced by natural fermentation in flowers and nectar-filled feeders.
Scientists at the University of Copenhagen discovered a new type of fat cell called SWAT cells that provide structural integrity to adipose tissue. These flexible cells can differentiate into various types, including fat cells and progenitor cells, suggesting a crucial role in adapting to metabolic conditions.
Researchers have discovered a new record of protosteroids in Earth's Middle Ages, extending the current molecular record of eukaryotes to 1600 million years ago. This finding provides a rare glimpse into the conditions surrounding the evolution of complex life and may shed light on the competitive demise of ancient eukaryote groups.
Defective myelin promotes disease-related changes in Alzheimer's by accelerating amyloid plaque deposition and overwhelming immune cells. Slowing down age-related myelin damage could lead to new therapies and prevent or slow down the disease.
The study used transcranial photobiomodulation (tPBM) to stimulate the prefrontal cortex, a region involved in cognitive function. The results showed that tPBM modulated hemodynamic and metabolic activities in a wavelength- and site-specific manner.
A recent study has found that microbes play a crucial role in storing carbon in the soil, with a four-fold greater importance than other processes. This breakthrough could lead to improved soil health and increased food security through targeted farm management practices.
Researchers at Duke University have identified a climate feedback loop that could accelerate climate change. Monitoring mixotrophs, tiny organisms with dual metabolism modes, may allow us to anticipate the tipping point before it gets there. However, nutrient pollution poses a challenge to detecting early warning signals.
Researchers found that centenarians have a diverse gut virome with high microbial diversity associated with a healthy gut microbiome. The study suggests that intestinal bacteria and bacterial viruses may work together to promote healthy lifespan.
Researchers at UBC Okanagan found that a low-carb breakfast can significantly reduce blood sugar swings and improve glucose control. Participants who followed a low-carb breakfast plan showed lower glycemic variability and some were able to reduce their glucose-lowering medication.
CNIO researchers review the anticancer effects of various diets, including caloric restriction, ketogenic diet, and intermittent fasting. They argue that precision nutrition can be used to treat specific cancers based on tumor metabolism and patient characteristics.
Scientists have rebuilt the complex nanomachine in the laboratory that starts autophagy, revealing its sophisticated cellular mechanism. The study's findings could help develop future drugs to treat diseases based on a faulty autophagy process.
A study by CNIC researchers reveals that gamma-linolenic acid in breast milk binds to the retinoid X receptor protein, activating gene expression and influencing biological functions. This activation initiates genetic programs that equip mitochondria with the necessary enzymes and proteins to start consuming lipids as energy.
A new study suggests that high-sugar diets can exacerbate inflammatory bowel disease (IBD) symptoms by disrupting the colon's lining renewal process. The research found that a high-sugar diet led to impaired cell division and altered metabolic pathways in mice, resulting in faster gut damage.
A new study suggests that cold exposure in the morning may be more effective at boosting metabolism and burning fat than in the evening, especially in men. In women, however, there was no significant difference in response to cold exposure times, but they were more tolerant of cold in the morning.
Research reveals that certain bacteria can replace essential lanthanides with actinides to sustain their metabolism. The findings suggest a possible role for these bacteria in decontaminating areas contaminated with radioactive elements or separating lanthanides and actinides for analytical purposes.
A new paper by Robert K. Naviaux outlines the array of processes that drive healing and whose dysfunction underlies chronic illnesses like diabetes and autism. The cell danger response is triggered by exposure to threats, but persists even after the threat is gone, causing inflammation and cell dysfunction.
Researchers in China have created a simple nomogram using easily accessible and automatable detected routine clinical indicators to reduce missed diagnosis and misdiagnosis of Wilson's disease. The study identified six independent predictors of the disease, including serum copper and direct bilirubin.