Articles tagged with Fatty Acids
Scientists successfully constructed a non-native pathway in mice that increased fatty acid metabolism and resulted in resistance to diet-induced obesity. The glyoxylate shunt, unique to plants and bacteria, was introduced into the mitochondria of liver cells to create an additional pathway for converting fatty acid into carbon dioxide.
A controlled diet study with human volunteers found that a 2:1 w6/w3 ratio mimics early human diets can reduce inflammatory signaling genes. This study provides the first evidence of large changes in gene expression as a mechanism for omega fatty acids' clinical effects
Two reports in Archives of Ophthalmology found that consuming omega-3 fatty acids from fish, nuts, and olive oil was associated with a lower risk of age-related macular degeneration. Eating one serving of fish per week reduced the risk by 31%, while consuming one to two servings of nuts lowered it by 35%.
A study of 39,367 Swedish men found that eating fatty fish once a week reduced the risk of heart failure by 12%, while consuming more than three servings per week did not show a significant difference. Omega-3 fatty acids in fish oils were also linked to a 33% lower risk of heart failure.
A large study found that eating fatty fish once a week reduces the risk of heart failure in men by 12%, while moderate intake of marine omega-3 fatty acids also has a protective effect. However, no significant benefit was seen with higher intakes of either food group.
A study by Dr. Nicolas Bazan at LSU Health Sciences Center has found that an omega three fatty acid called docosahexaenoic acid (DHA) protects brain cells from misfolding proteins associated with Parkinson's disease and other neurodegenerative disorders.
A study found that quails fed an omega-3 fatty acid-rich diet for 6 weeks showed significant increases in aerobic capacity, similar to those seen in migrating sandpipers. The birds' muscle membranes revealed even distribution of the fatty acids, suggesting a non-selective allocation.
Men with high long chain omega-3 fatty acid intake had a reduced risk of aggressive prostate cancer by 63%, while those with low intake and the COX-2 variant saw a five-fold increased risk. Omega-3 fatty acids also appeared to counteract the increased risk associated with the COX-2 variant.
Researchers at UC Berkeley discovered a gene, DNA-PK, that plays a critical regulatory role in converting dietary carbohydrates to fat. The study found that disabling this gene in mice resulted in lower levels of body fat despite a high-carb diet.
Global fisheries are in crisis due to overfishing, threatening food security in poorer countries and coastal communities. The recommendation to increase fish consumption for health benefits is not environmentally sustainable.
Researchers discovered that omega-3 fatty acids protect against liver damage and insulin resistance caused by obesity. The study found that lipids called protectins and resolvins derived from omega-3 fatty acids reduced the incidence of liver complications in obese mice, leading to improved insulin tolerance.
A Mediterranean diet has been associated with a lower risk of mild cognitive impairment, as well as the transition from mild cognitive impairment to Alzheimer's disease. Participants who adhered to the highest scores for Mediterranean diet adherence had a 28% and 48% reduced risk, respectively.
A Columbia University study found that a diet rich in fish oils can prevent fat accumulation in arteries and lower cholesterol levels. The researchers discovered that omega-3 fatty acids inhibit the entry of 'bad' cholesterol into arteries, providing new insights into heart health benefits.
The American Heart Association advises consumers to aim for at least 5-10% of energy from omega-6 PUFAs, which may reduce cardiovascular risk and lower the risk for heart disease events by 24%. Omega-6 fatty acids have anti-inflammatory properties, dispelling concerns of increased inflammation and cardiovascular risk.
A six-year study found that administering high doses of Docosahexaenoic acid (DHA) to pre-term infants through breast milk or formula reduces significantly delayed mental development. Premature girls showed better mental development than boys, but the exact reason for this difference remains unclear.
A randomized controlled trial found that high-DHA diet improved neurological outcomes in preterm infant girls, while no significant benefit was seen in boys. The study suggests that further studies are warranted to investigate the effectiveness of higher-dose DHA interventions.
Scientists at Burnham Institute for Medical Research have determined the structure of protein interactions responsible for triggering apoptosis. The research reveals a particular arrangement of Fas receptor and FADD proteins that act as a control switch for cell death signaling.
A recent FAS survey found that scientists are hesitant to collaborate with law enforcement agencies due to concerns over misinformation and mistrust. The survey suggests that clearer communication and understanding between the scientific community and law enforcement are essential for improving their working relationship.
Research presented at the American Society for Cell Biology conference reveals a modular longevity network linking diet and metabolic genes to human cellular aging. Novel anti-aging small molecules have been identified, which can be used as research tools or potential pharmaceutical agents for age-related disorders.
Researchers found that moderate wine consumption is associated with increased levels of omega-3 fatty acids in the body, considered protective against coronary heart disease. The study suggests that compounds other than alcohol may be responsible for this effect, and polyphenols in wine are a potential key player.
Researchers found that difficulty falling asleep was associated with a lower risk of hypertension in men who were not African-American. Omega-3 fatty acid levels may affect sleep apnea severity, while sedative-hypnotic medication could improve CPAP compliance. BMI may predict sleep apnea diagnosis in children.
Researchers discovered specific fatty acids contributing to Alzheimer's disease progression and proposed a therapeutic strategy by inhibiting an enzyme regulating fatty acid levels. Lowering the enzyme's activity improved cognitive deficits in mouse models.
The Federation of American Scientists (FAS) received a $1 million grant from the Entertainment Software Association Foundation to improve its educational game, Immune Attack. The game aims to teach how the immune system works and is designed for students and teachers.
Researchers discovered that existing anti-obesity drugs can inhibit viral replication by targeting fatty acid metabolism. The study found a thousand-fold reduction in HCMV replication when using drugs like TOFA and C75. This approach may provide an exciting antiviral treatment option.
Researchers found that pistachio diets can beneficially affect cardiovascular disease risk factors in a dose-dependent manner. The study suggests that pistachios may decrease CVD risk profile through effects on Stearoyl CoA Desaturase (SCD) and other bioactive substances.
A team from the University of Leicester has made a significant discovery in the study of diabetes drug target PPAR gamma. The researchers found that the protein binds to eight different fatty acids, which leads to its long-term activation, opening up new possibilities for the development of novel pharmaceuticals.
Raymond Jeanloz receives the 2008 Hans Bethe Award for demonstrating the reliability of the U.S. nuclear stockpile in the presence of a moratorium on nuclear testing. His work showcases the stability of nuclear materials, contradicting advocates for new nuclear weapons.
Researchers have discovered a lipid-based hormone, palmitoleate, that stimulates insulin's effects on muscle and suppresses fat accumulation in the liver. The hormone is produced when the body produces its own 'home grown' fat, defying traditional views that all extra fat is bad.
Federation of American Scientists honors Mark D. Levine with the 2008 Public Service Award for his contributions to energy efficiency research, particularly in China. The award recognizes his work in building a strong energy program and promoting clean technology policies.
The atomic structure of mammalian fatty acid synthase has been determined, revealing the details of its catalytic active sites. This breakthrough holds promise for the development of new anti-cancer and obesity treatments by targeting this complex molecular synthetic machine.
A Virginia Tech researcher has developed a novel fermentation process using microalgae to produce omega-3 fatty acids from crude glycerol, a byproduct of the emerging biodiesel industry. The resulting algae biomass can be used as animal feed, mimicking a natural process where fish retain healthful compounds.
Researchers at LSUHSC have identified a naturally occurring fatty acid, 2-AG, that functions as an endogenous COX-2 inhibitor, protecting brain cells from neurodegenerative diseases. The study provides new therapeutic approaches to prevent devastating disorders like stroke and Alzheimer's.
A study found that high omega-3 fatty acid intake from eating large quantities of fish may explain Japan's very low levels of heart disease. This is due to a strong anti-atherogenic effect observed in Japanese men, who consume an average of 100g of fish daily.
Researchers found that a lifetime of eating tuna, sardines, salmon and other fish appears to protect Japanese men against clogged arteries despite other cardiovascular risk factors. Omega-3 fatty acids from fish were linked to low levels of atherosclerosis.
A study found that older people who engaged in endurance exercise training for a year had metabolically younger hearts. Women benefited more than men from the training, with improved glucose uptake and fatty acid metabolism.
A recent study found that omega-3 fatty acids in fish oil supplements increase levels of proteins associated with inflammation, delaying wound healing. The researchers discovered a gender difference in cytokine production, with men experiencing higher levels of inflammatory proteins than women.
Researchers discovered that hepatitis C infection causes fatty liver by elevating an enzyme called fatty acid synthase (FAS) in human liver cells. Elevated FAS levels may help determine which patients are at risk of developing life-threatening diseases like cirrhosis and liver cancer.
A UCLA professor's analysis of over 160 studies reveals that a balanced diet rich in omega-3 fatty acids can enhance cognitive abilities, protect the brain from damage, and counteract aging. Omega-3s have been shown to improve learning and memory, fight depression and mood disorders, and even support synaptic plasticity.
Researchers found that farm-raised tilapia has very low levels of beneficial omega-3 fatty acids and high levels of omega-6 fatty acids. This combination may be detrimental to individuals with heart disease, arthritis, asthma, and other conditions. The study highlights the importance of balancing omega-6 and omega-3 fatty acid intake.
Researchers have identified two key loci responsible for extreme fruit size in tomatoes, including the fas locus that controls cell division and the locule-number locus that affects carpel number. This study provides a significant breakthrough in understanding tomato domestication and opens up new avenues for crop improvement.
Researchers have identified a key role for fish-based fatty acid molecule RvE1 in resolving airway inflammation and promoting its resolution in mice. The study provides insight into the potential therapeutic use of RvE1 in asthma prevention.
A meta-analysis of nine studies found that high omega-3 fatty acid intake from fish consumption reduces the risk of late age-related macular degeneration by 38 percent. Regular fish consumption is also linked to a reduced risk of both early and late AMD.
Researchers found that simple membranes composed of fatty acids can allow small molecules to pass through, supporting a theory about the first cells' interactions with their environment. The study also confirms the ability of nucleotide molecules to form DNA within vesicles, suggesting a possible way for early cells to replicate.
A new study by Newcastle University found that grazing cows on organic farms in the UK produce milk with significantly higher levels of nutritionally desirable fatty acids and antioxidants. The research also identified a direct link between the dairy cows' diets and the quality of their milk.
Researchers at CSIRO have identified a new class of alpha-hydroxy polyacetylenic fatty acids with self-assembling and anti-microbial properties. These discoveries could lead to innovative applications in industries such as agriculture, chemistry, and biotechnology.
A large-scale study published in Journal of the American Medical Association finds that omega-3 fatty acids offer no benefit for preventing relapse in Crohn's disease. However, patients who took omega-3 supplements experienced significantly lower triglyceride levels, a risk factor for heart disease.
A large-scale study found that omega-3 free fatty acid supplements did not significantly reduce the risk of relapse in patients with Crohn disease. The research, published in JAMA, evaluated the effectiveness of high-dose omega-3 fatty acids as maintenance therapy in patients with Crohn disease in remission.
Research published in Lipids in Health and Disease found that pregnant and lactating rats fed a diet rich in hydrogenated fats had babies with increased fat content. The study also showed that the gene expression of adipokines was affected, leading to changes in insulin production.
Research highlights the benefits of omega-3 fatty acids for cardiovascular health, particularly among those diagnosed with coronary artery disease. The consumption of fish oil supplements or algae supplements can provide these essential fatty acids.
Research found that women consuming high amounts of meat and low amounts of fish have lower levels of omega-3 fatty acids, which are crucial for brain and eye function. This may lead to developmental delays in infants, emphasizing the need for dietary recommendations that promote optimal health for mothers and babies.
Researchers found that measuring fatty acid ethyl esters in an infant's first bowel movement can identify children at risk for Fetal Alcohol Syndrome (FAS). Early intervention may minimize disabilities and improve developmental outcomes.
Scientists have discovered a single molecule regulating both glucose and fatty acid metabolism in cells. This finding has the potential to revolutionize our understanding of diabetes and develop new therapeutic agents.
The debut issue of Foot & Ankle Specialist features a 3-step treatment plan for patients with diabetic foot infections, recommending tissue removal followed by comprehensive assessment and restructuring. This approach can help prevent limb loss, enabling practitioners to provide the best current diagnosis and therapy.
Researchers found that topical application of alpha-linolenic acid significantly decreased clinical signs of dry eye syndrome in animal models. The study suggests a potential new treatment approach for this common condition, which affects millions of people worldwide.
A new study found that eyeblink conditioning can identify children with probable fetal alcohol syndrome (FAS) and those without distinctive FAS features. Researchers used eyeblink conditioning in five-year-old children born to mixed-ancestry women, finding a deficit in this area related to prenatal alcohol exposure.
Researchers found that omega-3 fatty acid DHA increases LR11 production, protecting against Alzheimer's disease. Low levels of LR11 lead to toxic plaques associated with the disease.
Researchers at Cedars-Sinai Medical Center are conducting a five-year study to test the safety and effectiveness of docosahexanoic acid (DHA) and eicosapentanoic acid (EPA) as treatments for major depressive disorder. The study aims to determine whether these two omega-3 fatty acids can help alleviate symptoms of depression in adults.
Researchers at Université Laval discovered that a diet rich in omega-3 fatty acids protects the brain against Parkinson's disease. The study found that mice fed an omega-3 rich diet were immune to the toxic compound MPTP, which causes damage to dopamine-producing neurons.
A study of over 3,000 breastfed infants found that having the FADS2 gene variant increased intelligence by an average of nearly 7 IQ points. The researchers suggest that breastfeeding may account for these differences in intelligence due to the presence of certain fatty acids.
The study found that TCPOBOP stimulation of CAR induced genes involved in fatty acid microsomal omega-oxidation and beta-oxidation pathways, reducing hepatic steatosis. This research offers a potential pharmacologic treatment for NASH by enhancing hepatic fatty acid oxidation.