Articles tagged with Fatty Acids
Researchers at ETH Zurich have elucidated a mechanism for the uptake of small interfering RNAs (siRNAs) in mammals, which involves conjugation with fatty acids and binding to lipophilic proteins like HDL and LDL. The discovery has significant implications for siRNA therapies and gene regulation.
A Mediterranean diet was found to reduce mortality in Alzheimer's patients by an average of 1.3 years for moderate adherence and four years for strict following. The study followed 192 people with Alzheimer's disease in New York for an average of four and a half years.
A new study found that prenatal alcohol exposure is associated with altered responses in frontal-striatal areas of the brain, leading to cognitive and behavioral deficits. The research also suggests a link between prenatal alcohol exposure and an increased risk of substance-use disorders.
Researchers at Washington University School of Medicine have found that protein CD36 facilitates the uptake of fatty acids and cholesterol in the proximal part of the intestine. The team believes that targeting this process may provide a useful tool for obesity treatment, as animals without CD36 absorb fat less efficiently and eat less.
A study published in Nature Medicine found that increasing omega-3 intake in mice reduced damaging vessel growth in the eye, a cause of retinopathy and blindness. Omega-3 supplementation is being tested in premature babies at risk for vision loss in a clinical trial.
Researchers found that increasing omega-3 fatty acids and decreasing omega-6 fatty acids in the diet can reduce retinopathy severity by suppressing inflammatory proteins. The study suggests that omega-3 fatty acids may act as protective factors in diseases affecting retinal blood vessels.
Researchers found that a nutritionally balanced diet high in omega-3 fatty acid reduced prostate tumor growth and increased survival in genetically predisposed mice. Omega-6 fatty acids had the opposite effects. The study suggests a beneficial effect of omega-3 polyunsaturated fatty acids on delaying human prostate cancer.
A diet rich in omega-3 fatty acids found to reduce prostate tumor growth and increase survival in genetically predisposed mice. Omega-6 fatty acids had the opposite effects, highlighting a beneficial interaction between genes and diet.
Research suggests that a diet high in omega-3 fatty acids may improve prognosis for men genetically prone to develop prostate cancer. The study found that mice with a genetic defect causing prostate cancer had reduced tumor growth, slowed disease progression and increased survival when fed a high-omega-3 diet.
Researchers at Beth Israel Deaconess Medical Center have identified a key mechanism behind the turn of events when high-fat, low-carbohydrate diets cause demonstrable changes in metabolism and subsequent weight loss. FGF21, a liver hormone, is required to oxidize fatty acids and burn calories.
A study found that higher dietary intake of omega-3 fatty acids and fish consumption may reduce the risk of advanced age-related macular degeneration. Vitamin D levels were also inversely associated with early stages of the disease, suggesting a potential protective effect.
A nationwide clinical trial is evaluating whether omega-3 fatty acid DHA slows cognitive and functional decline in people with mild to moderate Alzheimer's disease. The 18-month study aims to measure the impact of DHA on brain atrophy, proteins, and other biological markers.
A study by UC Irvine scientists found that diets rich in docosahexaenoic acid (DHA) can help prevent the development of Alzheimer's disease later in life. Mice given a DHA-rich diet showed lower levels of tau and beta amyloid, proteins associated with neurofibrillary tangles and plaques.
A new study suggests that balancing omega-6 and omega-3 fatty acid intake can reduce the risk of clinical depression and certain inflammatory diseases. Participants with higher levels of omega-6 and symptoms of depression had elevated markers of inflammation.
A new Harvard T.H. Chan School of Public Health study found that women with the highest trans fat levels in their blood had three times the risk of coronary heart disease as those with the lowest levels. The study, which measured trans fatty acid levels in blood samples, provides strong evidence for the health risks of trans fat.
Researchers found that high long-chain omega-3 intake is associated with increased grey matter volume in areas of the brain related to emotional arousal and regulation. This study suggests that omega-3s may promote structural improvements in brain regions linked to mood disorders.
Researchers at Brookhaven National Laboratory have developed a technique to convert unsaturated oils in temperate plants to tropical-like oils with higher saturated fatty acid levels. This can lead to the production of renewable feedstocks for industrial processes and more healthful nutrition.
A team of Penn State researchers found that plant-derived omega-3 polyunsaturated fatty acids (PUFA) may have a protective effect on bone health. The study, which included a controlled diet with three diets high in PUFA, showed significant decreases in biomarkers of bone resorption.
Researchers at St. Jude Children's Research Hospital discovered the role of PanK2 enzyme in detecting fatty acid buildup in mitochondria, a crucial step in cellular energy production. This finding has significant implications for understanding and treating neurodegenerative diseases caused by mutations in the PANK2 gene.
A new study conducted at Brandeis University and Malaysia found that a modified fat replacing trans fat causes an increase in blood glucose levels and depresses insulin in humans. The researchers discovered that this interesterified fat had a similar impact on cholesterol levels as trans fat, but with weaker effects.
A recent study found that individuals with higher levels of docosahexaenoic acid (DHA) in their blood had a significantly lower risk of developing dementia and Alzheimer's disease. DHA is an omega-3 polyunsaturated fatty acid found in fish, which appears to affect dementia risk and proper functioning of the central nervous system.
Researchers found that dried plums have high antioxidant capacity and can effectively prevent oxidation of fatty acids in meat products like sausages and roast beef. The plum puree can also enhance flavor and reduce laxative concerns when used in moderation.
A comprehensive analysis of fish consumption found that moderate intake reduces risk of coronary heart disease by 36% and total mortality by 17%. The benefits of omega-3 fatty acids from seafood also improve early brain development in infants, particularly when consumed by pregnant or nursing mothers.
A comprehensive plan recommends leveraging video games to strengthen US education and workforce training, teaching skills in demand by present-day employers. Features of video and computer games are identified as effective in teaching higher-order learning skills such as strategic thinking, problem-solving, and adaptability.
Researchers at Karolinska Institutet found that omega-3 fatty acid supplements slowed cognitive decline in a subgroup of patients with very mild Alzheimer's disease, while no effect was seen in those with more advanced disease. The study suggests that omega-3 supplements may be beneficial in halting initial progression of the disease.
A clinical trial found that omega-3 fatty acid supplements slowed cognitive decline in patients with very mild Alzheimer's disease, but had no impact on those with more advanced cases. The study suggests that anti-inflammatory effects of omega-3 fatty acids may be beneficial in early-stage disease.
Researchers found a genetic link between APOA5 and heart disease risk, specifically in those consuming high amounts of omega-6 fatty acids. Carriers of the gene variant who ate more than six percent of total calories from omega-6s had increased triglyceride levels and elevated lipoprotein particles.
The Federation of American Scientists has developed a new educational video game called Immune Attack, which engages students in learning about immunology concepts. The game features a first-person strategy game where immune cells face off against bacterial and viral infections, aiming to make learning fun and exciting.
A major study from Karolinska Institutet found that eating fatty fish like salmon, sardines, and mackerel at least once a week reduces kidney cancer risk by up to 74% over a decade. The study also highlights the protective effects of omega-3 fatty acids and vitamin D in fatty fish.
The new online learning tool illustrates the implications of dual-use biological research through case studies and historical background on bioterrorism. Biology students will learn to assess their research in terms of modern security concerns and recognize the risks of misusing scientific work.
A recent Italian school study found high rates of fetal alcohol spectrum disorders (FASD) and fetal alcohol syndrome (FAS), with prevalence rates three times higher than previously estimated for Western Europe. The study used active surveillance to identify children with growth and behavioral problems, revealing a significant associati...
Scientists at Johns Hopkins have identified a previously unknown way the trypanosome parasite that causes African sleeping sickness makes fatty acids. The discovery of this unique biochemical pathway could lead to the development of new drugs to treat the illness.
Researchers found that high blood pressure causes hearts to have lower fat metabolism, relying more on carbohydrates for energy. This shift can lead to impaired heart function and increased risk of heart failure.
Researchers found that a healthier balance of omega-3 and omega-6 fatty acids can reduce prostate cancer tumor growth rates and PSA levels by 22% and 77%, respectively. The study suggests using EPA and DHA supplements to lower inflammatory response in prostate cancer development.
A study of elderly male twins found that eating fish frequently may decrease the risk of age-related macular degeneration, while smoking nearly doubles the risk. The benefits were most apparent among individuals who consumed two or more servings of fish per week.
A study of over 600 newborns found that reducing exposure to house dust mites and increasing omega-3 fatty acids through diet had no impact on the development of asthma. Researchers recommend further research into alternative interventions for preventing asthma and allergic disease in children.
Researchers found that certain fatty acid ethyl esters (FAEEs) in meconium are indicative of fetal exposure to alcohol during pregnancy. The presence of these biomarkers was significantly higher in infants exposed to alcohol, suggesting potential as a reliable indicator of fetal alcohol effects.
A recent study found that women of child-bearing age in the US are still at risk of heavy drinking, with 4% pregnant at the time of the interview. The study also highlights the issue of unplanned pregnancies and the need for information campaigns targeting alcohol consumption among young women.
Researchers at MIT have discovered a potential new treatment for Alzheimer's disease that delays cognitive decline using a combination of omega-3 fatty acids and two other compounds. The cocktail treatment has been shown to increase the formation of brain cell synapses, which are damaged in Alzheimer's patients.
Researchers have discovered that docosahexaenoic acid (DHA) in retinal pigment epithelial cells plays a crucial role in protecting photoreceptor cells from damage. The findings suggest that DHA may help slow or halt the progression of diseases such as retinitis pigmentosa and Usher's syndrome.
Research suggests that omega-3 fatty acids in fish oil lower prostaglandin levels by competing with omega-6 fatty acids for the COX enzyme. This reduces inflammation and promotes cardiovascular health. Omega-3s also have less active prostaglandins, contributing to their anti-inflammatory benefits.
Diamond-back rattlesnakes survived for 5 ½ months without food, growing in length while reducing metabolic rate by 80%. The snakes used stored lipid energy sources and increased water content to maintain cellular shape.
Researchers found that omega-3 fatty acids docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA) inhibited the growth of liver cancer cells, whereas omega-6 fatty acid arachidonic acid (AA) had no effect. The compounds induced apoptosis and decreased beta-catenin levels, which are involved in tumor progression.
Scientists have created pigs that produce heart-healthy omega-3 fatty acids by transferring a gene called fat-1 to pig cells. This breakthrough could lead to better understanding of cardiovascular function in both pigs and humans, as well as potential benefits for human health and animal welfare.
Researchers at Einstein College of Medicine have discovered two new compounds, 2-HA and 2-OA, that are more potent than isoniazid in killing bacteria. These compounds inhibit multiple biochemical pathways essential for bacterial survival, offering a promising alternative to current treatments.
Researchers analyzed the fatty acid composition of Blue Morpho butterflies and their larvae to discover that the transformation from larva to butterfly drastically reduces total fatty acid content. This significant loss in body fat may be essential for the health and survival of the butterfly during metamorphosis.
A study of 106 healthy volunteers found that lower omega-3 levels were associated with depression symptoms, a negative outlook, and impulsivity. Higher omega-3 levels were linked to increased agreeableness.
Researchers discovered that nicotinamide can protect mice from brain cell death and behavioral abnormalities caused by alcohol exposure. The study suggests that taking the drug soon after drinking alcohol may prevent some of the damage to the developing fetus.
Research reveals omega-6 fatty acids stimulate inflammatory genes associated with cancer, particularly in prostate tumors. Studies found that adding omega-6 to growth medium doubled tumor growth compared to control groups.
A systematic review of 38 studies found that omega-3 fatty acid consumption was not significantly associated with reduced cancer risk for most types of cancer. However, some individual studies showed increased or decreased risk for certain cancers, such as breast, lung, and skin cancer.
Researchers at Albert Einstein College of Medicine discovered that chronic suppression of malonyl CoA levels in the brain impairs nutrient-sensing mechanism, leading to increased food intake and obesity. The study suggests a potential new approach to treat obesity by re-adjusting malonyl-CoA levels in the human hypothalamus.
French fries prepared with non-hydrogenated cottonseed oil have significantly lower trans-fatty acids and saturated fat compared to those made with partially hydrogenated canola or soybean oil. Fruits and vegetables are ranked highest for nutrient density, providing key nutrients at a reasonable cost.
Research found that prenatal exposure to alcohol may cause visual problems in infants, with those born to mothers who binge drank during pregnancy at higher risk. Infants aged 30 and older whose mothers drank during pregnancy also showed poorer visual acuity, suggesting age-related physiological changes may play a role.
Research suggests that a diet rich in omega-3 fatty acids, found in fish and walnuts, may help prevent dry eye syndrome. Women who consumed at least five servings of tuna per week had a 68% reduced risk of the condition compared to those with lower intakes.
A six-year study found that consuming one or more fish meals per week was associated with a slower rate of cognitive decline. The study, which analyzed data from over 1,000 Chicago residents aged 65 and older, suggests that eating fish may help protect against age-related cognitive decline.
A new imaging tracer, Zemiva, reveals metaabolic disturbances in the heart and shows that disturbances in fatty acid metabolism can persist up to 30 hours after an ischemic episode. The study used SPECT images to evaluate the tracer in patients with myocardial ischemia.
Research suggests that docosahexaenoic acid (DHA) can decrease levels of pathogenic Abeta peptides associated with Alzheimer's disease in human brain cells. The synthesis of neuroprotectin D1 (NPD1), an endogenous DHA-derived messenger, is also upregulated and inhibits apoptosis triggered by Abeta peptides.
A diet high in soy protein prevents the accumulation of triglycerides and cholesterol in the liver despite obesity and hyperinsulinemia. This is achieved through reduced expression of genes involved in lipid production and increased breakdown of fatty acids.
Tumors secrete fatty acids that block cytotoxic T lymphocytes' ability to kill cancer cells, reducing the efficacy of anti-cancer therapies. This discovery raises possibilities for new therapeutic targets and monitoring tumor aggressiveness through free fatty acid levels.
Researchers found that omega-6 fatty acids can stimulate cell growth in prostate cancer cells by activating the production of cPLA2 and COX2 enzymes. A diet high in omega-6 fatty acids may contribute to increased risk of prostate cancer, while a new class of drugs targeting cPLA2 could offer a safer alternative to existing treatments.