Articles tagged with Metabolism
A new study published in the journal Metabolism found that yo-yo dieting does not negatively impact metabolism or weight loss ability in the long term. The study involved 439 overweight women who were assigned to different weight loss groups, and found no significant differences between those with a history of yo-yo dieting and those w...
A new study challenges the long-held view that conserving energy maximizes sprinter performance. Instead, researchers found that maximizing the force of each foot hit on the ground allows sprinters to achieve top speed.
A recent study shows that liposuction can lead to an increase in visceral fat, associated with cardiovascular disease. However, regular physical activity effectively prevents this compensatory growth. The study found that exercising after liposuction reduces the risk of weight regain and related health issues.
The tuatara's unique chewing technique, using its lower jaw to slice food apart, raises doubts about the link between chewing and high metabolism in mammals. This specialized mechanism allows the tuatara to eat a wide range of prey, including beetles, spiders, and small lizards.
Scientists develop a technique to measure internal cell temperatures without altering cellular metabolism, opening doors for studying metastasis and differentiating healthy from cancerous cells. The 'fluorescence polarisation anisotropy' method uses green fluorescent proteins to provide non-invasive temperature readings.
A small phase I study suggests that deep brain stimulation, a therapy used for Parkinson's and depression, may increase neuronal activity in people with mild Alzheimer's disease. The treatment showed promising effects on brain function, including sustained increases in glucose metabolism.
Researchers found women who smoke and carry certain gene variants are more likely to experience hot flashes. The study suggests that these women may benefit from aggressive smoking cessation efforts.
Case Western Reserve researchers identify Kruppel-like Factor 15 (KLF15) as a key player in the body's ability to burn fat during exercise, increasing muscle force production. The discovery sheds light on the molecular mechanisms behind exercise benefits and may lead to therapeutic strategies for metabolic disorders.
Researchers have discovered that Rev-erb proteins play a crucial role in controlling the body's internal clock and fat metabolism. When both proteins are not functioning, the liver fills with fat, leading to metabolic disorders. The study highlights the importance of understanding the circadian rhythm of metabolism.
Researchers at Salk Institute find that two cellular switches play a crucial role in maintaining normal sleeping and eating cycles and metabolism. The discovery suggests a powerful link between circadian rhythms and metabolism, potentially leading to new treatments for disorders such as sleep problems, obesity, and diabetes.
Researchers have discovered a way to separate the beneficial and detrimental effects of rapamycin on aging and disease, specifically targeting mTORC1 protein complexes. This breakthrough could lead to the development of new therapies that combat age-related diseases without causing insulin resistance or diabetes.
Researchers propose that quantum metabolism explains metabolic changes causing healthy cells to become cancerous, enabling cells to outcompete for space and nutrients. Understanding this process could lead to new cancer treatment approaches.
Helen Hobbs, UT Southwestern researcher, receives prestigious award for identifying genetic factors that contribute to variations in cholesterol levels. Her work has led to a 28% reduction in LDL cholesterol levels and an 88% reduction in risk of coronary heart disease.
Scientists have developed a new method for studying selenium metabolism in living organisms, which could help clarify the element's potential anti-tumor properties. The technique uses enriched stable isotopes to track selenium concentrations in biological tissues and fluids, revealing its presence and behavior in the body.
Researchers studied judo, a complex and unpredictable sport, to understand how athletes spend their energy. They used a portable gas analyzer and mathematical formulas to determine the relative contributions of aerobic, lactic, and alactic anaerobic metabolism.
Research presented at the American Heart Association's Scientific Sessions found that children living in a neighborhood with a specially-designed bike trail were three times more likely to engage in vigorous physical activity. The study compared two low-income neighborhoods in Chattanooga, Tenn., one with a wide trail/sidewalk for biki...
Researchers identified five distinct dietary patterns among US adults based on demographic factors such as age, race, region, gender, income, and education. These patterns include the Southern, Traditional, Healthy, Sweets, and Alcohol diets, which have clear differences in food choices across demographic groups.
Researchers are deconstructing molecular and genetic rhythms to better understand biological timing mechanisms. By isolating genes and signals, they hope to control and repair broken clocks, leading to breakthroughs in fields like cancer research and communication signal improvement.
Research reveals that plastic nanoparticles impact fish feeding behavior and metabolic parameters, including weight loss and cholesterol levels. The findings have implications for assessing nanoparticle risks in aquatic ecosystems.
A study found that over half of prescription medications inhibit 17-alpha-hydroxyprogesterone caproate (17-OHPC) metabolism by 50 percent or more. This indicates that certain medications may need to be adjusted if taken with 17-OHPC, potentially affecting its effectiveness.
A recent study by Mars, Incorporated and partners reveals the extensive metabolism of flavanol compounds after consumption, challenging existing in vitro studies. This research provides a critical step forward in understanding how cocoa flavanols exert their circulatory and cardiovascular benefits.
Researchers around Günter Wächtershäuser demonstrate a self-generating metabolism in hot water, which leads to the formation of genetic material and the first cells. This discovery suggests that life arose billions of years ago in volcanic-hydrothermal flow ducts.
Researchers at Salk Institute find connection between cryptochromes and glucocorticoid receptors to regulate sugar metabolism, potentially avoiding side effects of asthma, allergies, and arthritis drugs. The discovery may lead to new therapies targeting the biological clock.
Two studies found that reducing NCoR in muscles increases exercise capacity and fat-burning, while reducing it in fat cells improves insulin sensitivity. The findings imply that limiting NCoR activity could be a potential treatment strategy for metabolic disorders.
Scientists have found that nicotinamide mononucleotide, a naturally occurring compound, can reverse diabetes in mice by improving glucose tolerance and reducing cholesterol levels. The study suggests that this compound may one day be used to treat or prevent type 2 diabetes.
Researchers discovered that ibuprofen and other NSAIDs selectively block endocannabinoid metabolism, potentially leading to new analgesic medications with fewer side effects. This finding raises the possibility of targeting inflammation and pain without the gastrointestinal and cardiovascular risks associated with traditional NSAIDs.
Recent PET-measurements show that mobile phone signals suppress glucose metabolism in specific brain areas. The study, conducted on 13 young males, reveals a methodologically unique approach combining brain imaging, radiation measurements, and modeling.
Researchers discovered that cardiotrophin 1 accelerates fat elimination from adipose tissue, increases muscle fat burning, and improves glucose uptake in cells. Treatment of obese mice with cardiotrophin 1 also reduces food intake and corrects obesity and diabetes.
A recent study found that heavier women have fewer hot flashes than their leaner counterparts after menopause. The inverse association between body size and hot flashes was observed only among older women, suggesting that age plays a significant role in this relationship.
Researchers at Joslin Diabetes Center have identified the Sirt3 enzyme as a potential target for treating type 2 diabetes and prediabetes. The study found that Sirt3 levels are decreased in skeletal muscle cells of individuals with diabetes, contributing to insulin resistance and energy metabolism issues.
A study suggests that wearing a cooling cap to cool the brain during sleep can eliminate insomnia symptoms. Participants with primary insomnia experienced similar sleep latency and efficiency as healthy controls when using a frontal cerebral thermal transfer cap.
Researchers have tested a new asthma medication that improves fat and protein metabolism, increasing energy expenditure by over 10% and fat burning by more than 25%. The medication, formoterol, is selective for lung receptors and does not affect the heart rate, suggesting potential benefits for body composition and health.
A recent study published in the Journal of Applied Physiology found that shorter warm-ups can result in less muscle fatigue and improved peak power output. The study suggested that sprint athletes may benefit from adopting a shorter and less strenuous warm-up for better performance.
Giant hummingbirds use more energy for their body size than smaller hummingbirds do, but still below the upper metabolic limit. Asexual fish hybrids have lower physiological performance, possibly due to increased reproductive advantage over sexual dace. Small sea birds hold heat rather than increasing metabolism
Melissa J. Moore, a professor at UMass Medical School, has been awarded the ASBMB's 2011 William C. Rose Award for her groundbreaking research on pre-mRNA processing and mRNA metabolism. She is also recognized for her exceptional mentorship and leadership skills.
Experts at EB2011 discuss the links between metabolic function and disease onset, highlighting recent findings on mitochondrial dysfunction and metabolic signal transduction. The meeting focuses on the biochemical reactions that sustain life and their impact on serious diseases.
The discovery of the SIRT3 protein's role in altering the nutrition of breast cancer cells has significant implications for cancer treatment. By identifying this protein as a 'guardian' of metabolism, researchers may develop targeted therapies to promote its activation and inhibit cancer growth.
A study found that gastric bypass patients take longer to process alcohol and have higher breath alcohol content after surgery. Researchers recommend limiting alcohol consumption to one standard drink every two hours for RYGB patients.
Researchers found increased brain glucose metabolism in regions closest to the phone antenna after 50-minute cell phone use. However, the clinical significance of this finding is unclear and further studies are needed.
A recent study found that exposure to room light in the late evening can significantly suppress melatonin levels, leading to reduced sleep quality and increased risks of diabetes. The study's findings have important health implications for shift workers exposed to indoor lighting at night.
A recent study found higher BPA levels in women with PCOS compared to controls, and an association between BPA and increased testosterone levels. Researchers suggest that BPA may exacerbate hormonal imbalances in women with PCOS.
A new research paper published in the Journal of the National Cancer Institute reveals a genetic mutation that leads to abnormal metabolic processes in gliomas, potentially leading to targeted therapies. The study shows that almost all tumors with IDH mutations have the same methylation pattern.
Researchers found that changes in cellular energy balance can lead to increased lifespans in worms, providing a proof-of-concept for human aging. The study discovered a novel metabolic state associated with long-lived mitochondrial mutants, suggesting a potential approach to extending human lifespan.
Researchers at Karolinska Institutet used MRI to measure brain lactic acid levels and found increased levels before other aging symptoms, suggesting a potential indicator of aging and age-related diseases. The study also suggests a link between mitochondrial dysfunction and lactate production in the brain as aging progresses.
Temperature fluctuations have a profound impact on the human body's internal clock. By regulating body temperature, these cyclic changes set the timing of cellular activity, influencing metabolism and sleep patterns. This discovery suggests an ancient mechanism that may have evolved in other organisms to control daily biological cycles.
A comprehensive Argentinean epidemiological study found that one out of three women aged 50 or over suffers from osteoporosis, with a prevalence of vertebral fractures in 16% of women aged 50 or older. The study estimated annual costs of hip fractures and vertebral fractures to exceed $250 million USD per year.
Researchers found 323 unique genes influenced by smoking, with a strong involvement in processes related to cancer, cell death, and metabolism. The study's results indicate that exposure to cigarette smoke alters gene expression, leading to a sobering scale of influence on human disease risk.
A new data mining algorithm called GOALIE reveals how biological processes are coordinated in time. The algorithm uses gene expression data to reconstruct temporal models of cellular processes, improving our understanding of cell division and metabolism.
John A. Kanis receives IOF Medal of Achievement for his long-standing and distinguished career advancing the field of osteoporosis research. He has published widely on disorders of skeletal metabolism, including osteoporosis, Paget's disease of bone, hyperparathyroidism, renal osteodystrophy and neoplasia.
Researchers have provided evidence-based data on changes in drug metabolism in obese children compared to healthy weight children. They found that obese children metabolized caffeine and dextromethorphan at different rates, which could impact optimal drug dosing in pediatric patients.
Age-related nerve decline is associated with metabolic factors like blood sugar levels within normal ranges. Peripheral nerves are affected more in men than women later in life, suggesting a link between aging, gender, and inflammation. Modifiable risk factors may help prevent or delay peripheral nerve function decline.
Researchers followed 1162 healthy French men and women for nine years, monitoring plasma selenium concentrations and incidence of dysglycemia. High selenium levels in men were associated with a lower risk of developing dysglycemia, while no such association was found in women.
The European Journal of Drug Metabolism and Pharmacokinetics will be published by Springer starting in 2010, covering aspects of drug delivery and bioavailability. The journal focuses on pharmacokinetics, drug metabolism, and drug development, publishing original articles and conference proceedings.
A new study found that obese teenage girls with a higher ratio of visceral fat to subcutaneous fat have lower bone density than their peers. Visceral fat may also increase the risk of fractures in some obese individuals, highlighting its negative impact on bone health.
A study by Harvard researchers found that overeating in mice activates a molecule called PKR, which destroys normal metabolism and leads to insulin resistance. The discovery could lead to targeted drugs or nutrients to regulate PKR and prevent diseases such as heart disease and cancer.
A study at Cold Spring Harbor Laboratory has identified three molecular factors that contribute to high levels of PK-M2 in cancer cells, which promotes rapid cell proliferation and tumor growth. The researchers found that forcing a reduction in the levels of these factors could reverse the Warburg effect and restore normal metabolism.
The 2010 awards support groundbreaking research in cancer metabolism, tumor metabolism, and drug resistance. Three scientists will explore novel approaches to fighting cancer using innovative technologies.
Researchers from Universitat Autònoma de Barcelona found that compound genomes lose essential properties for evolution when complex. The study challenges the 'metabolism first' theory and supports the idea that genetic information stored in nucleotide polymers, like RNA and DNA, is crucial for life to emerge.
Researchers at the University of North Carolina found genetic variations that lead to less efficient glucose metabolism in African-American patients compared to whites. These findings suggest a link between diet and environment in shaping genetic predispositions to diabetes.
A nutrition professor at the University of Rhode Island found that chewing sugar-free gum can help reduce calorie intake by 67 calories at lunch and increase energy expenditure by 5%. Gum chewing also leads to feelings of fullness and reduced hunger, potentially aiding in weight management.