Articles tagged with Cholesterol
A study published in JAMA found that pactimibe did not slow the progression of atherosclerosis in patients with familial hypercholesterolemia, but was associated with increased cardiovascular events. The treatment also led to significant increases in low-density lipoprotein cholesterol levels.
A new study identifies a human genetic link to high levels of 'good' cholesterol, highlighting the role of endothelial lipase enzyme mutations in HDL-C levels. Researchers discovered rare mutated forms of the LIPG gene that significantly increase plasma HDL-C levels.
A new study compares cholesterol treatment in HIV patients and those without HIV, finding that lipid-lowering therapies are effective but not as effective as in non-HIV patients. The study suggests using fibrates with NNRTIs to manage triglyceride levels in HIV patients.
Mayo Clinic researchers found that statin use reduced stroke severity and improved outcomes, even in patients with ideal cholesterol levels. The study suggests benefits beyond lipid lowering, including plaque stabilization and anti-inflammatory effects.
A study by ISU researcher Yeon-Kyun Shin found that statins can reduce brain function by depriving the brain of cholesterol, a vital component for efficient brain function. This affects neurotransmitter release, data-processing, and memory functions.
Research suggests that lowering cholesterol levels can block the growth of prostate tumors and reduce cancer incidence. Ezetimibe, a cholesterol-lowering drug, has been shown to inhibit tumor angiogenesis, promoting less aggressive tumors.
Continuing statin therapy is associated with a reduced risk of death over four to five years, even among those without diagnosed heart disease. Patients who took statins for at least 90% of the follow-up period showed a 45% lower risk of death compared to those who did not adhere to treatment.
Researchers at UT Southwestern Medical Center identified a compound that liberates cholesterol trapped in cells, shedding light on its transport and suggesting a possible therapeutic target for NP-C disease. The findings show improved liver function and decreased neurodegeneration in mice treated with the compound.
A new study published in the Journal of Athletic Training suggests that college football players are not immune to the health risks associated with metabolic syndrome. The research found nearly half of the athletes studied had at least three risk factors, including excess abdominal fat, high blood pressure, and low HDL cholesterol levels.
A new national study shows that nearly 75 percent of patients hospitalized for a heart attack had cholesterol levels within recommended targets, but still at high risk. The study suggests that lowering guideline targets for LDL cholesterol and developing better treatments to raise HDL cholesterol may help reduce the number of patients ...
Researchers at Northwestern University have successfully designed synthetic HDL, a nanoparticle version capable of irreversibly binding cholesterol. The study shows that the synthetic HDL mimics natural HDL's surface composition and could one day help fill the gap in useful therapeutics for raising good cholesterol.
Researchers discovered 30 genetic variants associated with cholesterol levels, including 11 new ones, which could lead to more effective therapies. The study also found links between melatonin, sleep patterns, and small increases in glucose levels, increasing the risk of diabetes.
Researchers identified 11 new gene sites associated with cholesterol and triglyceride levels, bringing the total to 30 lipid-associated genes. Common variations in these genes can significantly influence blood lipid levels, potentially identifying individuals at higher risk for heart disease.
Researchers at Johns Hopkins Medicine discovered how a lowly fungus regulates its version of cholesterol, gaining new insight into the target and action of cholesterol-lowering drugs. In humans, Insig limits cholesterol production by inactivating the enzyme HMG-CoA reductase through phosphorylation.
A new study published in the FASEB Journal suggests that the quality of HDL cholesterol, not just its type, matters for good health. Researchers found that high levels of poor-quality 'good' HDL can increase heart disease risk.
A Swedish study suggests that a fast food diet rich in fat and cholesterol may be a potential risk factor for Alzheimer's disease. Researchers found that mice fed such a diet developed preliminary stages of the disease, which may indicate a contributory role of dietary factors in its development.
A study by Dr. Nabil G. Seidah's team reveals that annexin A2 can inhibit PCSK9's degradation of the LDLR receptor, leading to lower bad cholesterol levels. This discovery paves the way for a new drug to target cardiovascular diseases.
A study from Karolinska Institutet reveals that bad cholesterol inhibits the breakdown of peripheral fat in cells. The discovery opens up new theories for the association between blood lipids and metabolic syndrome.
Elevated nonfasting triglyceride levels are associated with an increased risk of ischemic stroke, according to a large population-based study. The study found that men and women with higher triglyceride levels had significantly increased risks of stroke, with the risk doubling or tripling for certain ranges of triglyceride levels.
Cholesterol crystals released during cardiac attacks can cause further damage to artery linings much farther away from the initial attack site. This discovery has important clinical implications, suggesting that patients may need additional testing to prevent further damage during a cardiac event.
Research reveals that obese children's neck artery plaque thickness is comparable to that of 45-year-olds, indicating a high risk of heart disease and stroke. The study found that children with obesity, abnormal cholesterol levels, and high triglycerides had advanced vascular ages.
New study finds direct link between obesity and increased leptin levels, leading to damage similar to hypertension and diabetes. Leptin stimulates greater production of superoxide, creating toxic molecules that harm endothelial cells.
Brandeis University has partnered with Smart Balance to advance heart-healthy research, with a $1 million sponsored research agreement. The partnership aims to develop new fat technologies to support healthier living.
A study of 320 participants with severe obstructive sleep apnea (OSA) found that they consumed a diet higher in unhealthy fats, protein, and cholesterol compared to those with less severe OSA. Women were more affected by these dietary habits, which may contribute to greater cardiovascular morbidity and mortality.
Researchers created a new model of behavior for the nicotinic acetylcholine receptor, showing that cholesterol is essential for its structure and function. The findings have broad implications for pharmacology and may shed light on recent data indicating low cholesterol's harmful effects on brain cells.
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 UK study found that 2.8 million men and 900,000 women are at high risk of developing cardiovascular disease but remain undiagnosed. The research highlights the need for a national CVD risk assessment programme to detect those who haven't already been identified.
Research highlights the importance of diet, statins, and genetic factors in cholesterol regulation and cardiovascular health. Studies have shown that low HDL-C levels are strongly associated with an increased risk of CAD, and genetic mutations can affect HDL-C production.
A new study led by the University of Leicester found that men's sex hormones, particularly estradiol and estrone, are associated with increased cardiovascular risk factors such as high total cholesterol and LDL-cholesterol. This suggests that natural endogenous estrogens may play a role in increasing heart disease risk in men.
A Johns Hopkins Children's Center study found that elevated cholesterol levels drop naturally in four out of 10 children with uncontrollable epilepsy treated with the high-fat ketogenic diet. Nearly half of these children returned to normal or near-normal cholesterol levels without modifications to their diet.
A prospective cohort study of 6107 Chinese patients with type 2 diabetes found a V-shaped risk relation between LDL cholesterol and cancer. Patients with low LDL cholesterol (below 2.80 mmol/L) or high levels (above 3.90 mmol/L) had significantly elevated risks of various cancers.
Researchers have discovered a single dose of small interfering RNA (siRNA) can significantly reduce cholesterol levels in rodents, with effects lasting for weeks. The siRNA works by blocking the production of PCSK9, a protein that raises LDL cholesterol, and has shown promise in nonhuman primates as well.
A cholesterol-lowering drug, lovastatin, has been shown to improve bone healing in an animal model of NF1. The study found marked improvements in bone healing compared to control animals.
Researchers found that the apolipoprotein B100 (ApoB)/apolipoprotein A1 (Apo A1) ratio was almost twice as powerful a predictor of heart attack risk as traditional cholesterol ratios. This discovery could lead to improved cardiovascular disease prevention and treatment strategies.
A two-year study found that low-carbohydrate and Mediterranean diets were as effective as low-fat diets in achieving weight loss. The Mediterranean diet showed significant improvements in cholesterol levels and fasting glucose, while the low-carb diet improved HDL cholesterol and triglycerides.
Researchers found that mitochondrial cholesterol increases resistance to chemotherapy in liver cancer. Statins could potentially sensitise cancer cells against chemotherapy by reducing mitochondrial cholesterol levels.
A study found that plant sterols can accumulate in aortic valves, increasing the risk of stenosis. High levels of plant sterols were linked to higher blood concentrations, suggesting a potential health risk.
Researchers found a significant reduction in LDL cholesterol and triglycerides in patients taking fish oil and red yeast rice supplements. The study suggests a comprehensive approach to lipid lowering could be effective for patients unwilling or unable to take statins.
Researchers from the American Heart Association report a link between low levels of high-density lipoproteins (HDL) and increased risk of memory loss and dementia. Studies found that participants with low HDL cholesterol showed a higher risk of memory decline compared to those with high HDL, particularly in late midlife.
Researchers identified five genetic variations that increase metabolic syndrome risk and a sixth variant that protects against the condition. Variants in the CD36 gene were associated with abnormal HDL cholesterol levels.
A gene variation called alternative splicing may explain why some people don't respond well to cholesterol-lowering drugs. Researchers found that this variation accounted for 9% of the reduced power of statins in lowering low-density lipoprotein (LDL) levels.
Researchers at Harvard T.H. Chan School of Public Health discovered a molecule called XBP1 that regulates fat and cholesterol production in the liver. Turning off XBP1 dramatically reduced blood levels of cholesterol and triglyceride fats, with no apparent adverse effects on the liver.
Black patients with diabetes are less likely to achieve long-term control of their blood glucose, cholesterol, and blood pressure levels, even when treated by the same physician as white patients. Racial disparities in quality of care have been previously documented, with black patients receiving fewer recommended components of care.
A study in JAMA found that low HDL cholesterol levels due to a genetic mutation do not increase the risk of ischemic heart disease. Instead, the researchers discovered that low HDL cholesterol was associated with a lower risk of IHD in certain populations.
Ezetimibe works by blocking NPC1L1's entry into cells, reducing cholesterol uptake. Researchers found that cholesterol encourages cells to engulf and internalize NPC1L1 through endocytosis.
Researchers developed a novel, computer-based approach to study lipoprotein profiles and identify patients at risk for cardiovascular disease. By simulating every single lipoprotein in blood plasma, the model revealed possibly clinically-relevant abnormalities that would remain undetected by evaluating only LDL and HDL.
Researchers discovered a link between high oxidized LDL levels and increased risk of developing metabolic syndrome, which can lead to heart disease. Those with the highest levels of oxidized LDL were 3.5 times more likely to develop metabolic syndrome over five years.
Researchers found that patients with high LDL cholesterol and increased serum cholesterol were up to 2.5 times more likely to experience a biochemical relapse after radical prostatectomy. Poor cholesterol management may affect not only prostate cancer risk but also biomedical recurrence after surgery.
A study of 1,214 men prescribed cholesterol-lowering drugs found that PSA levels decreased after starting statins and correlated with LDL cholesterol decline. The results suggest a potential role for cholesterol in prostate cancer development and progression.
A meta-analysis of 21 studies found that hypertension and hyperlipidemia significantly increase the risk of retinal vein occlusion. High blood pressure and high cholesterol levels were associated with a nearly 50% population-attributable risk for hypertension, 20% for hyperlipidemia, and 5% for diabetes.
The American College of Physicians issues guideline for screening osteoporosis in men over 65, emphasizing regular assessments with DEXA scans. A study finds little difference in fracture prevention between osteoporosis drugs risedronate, raloxifene, and alendronate.
Researchers found that cholesterol depletion increased CEA sorting to the basolateral surface in polarized Caco-2 cells. This suggests a potential new treatment approach for inflammatory bowel disease by modifying lipid raft-dependent mechanisms.
Dr. David Mangelsdorf, chairman of pharmacology at UT Southwestern, was elected to the National Academy of Sciences for his contributions to understanding lipid and bile acid metabolism. His work on nuclear receptors and ligands has led to insights into cholesterol regulation.
A University of Illinois study found that eating two CocoaVia dark chocolate bars daily lowered total cholesterol by 2% and LDL cholesterol by 5.3%. The drop in cholesterol numbers is attributed to plant sterols added to the bar and flavanols found in dark chocolate.
Research found people with high cholesterol levels between 249-500mg are 1.5 times more likely to develop Alzheimer's disease than those with low cholesterol levels under 198mg. High mid-life cholesterol also increased the risk of vascular dementia regardless of other factors.
A recent study found that macadamia nut consumption as part of a heart-healthy diet reduced low-density cholesterol and triglyceride levels. The researchers used a controlled feeding study with participants who consumed either a standard American diet or a diet supplemented with macadamia nuts.
A three-year study found that participants with type 2 diabetes who lowered their LDL cholesterol and systolic blood pressure levels below current targets experienced a partial reversal of hardening of the arteries. The results suggest that aggressively managing these risk factors can help prevent heart disease in adults with diabetes.
A new study by Penn State University found that snacking on pistachios significantly reduces inflammation in the body, a prominent risk factor for cardiovascular disease. Additionally, pistachio consumption has been shown to improve cholesterol levels and reduce blood pressure, making it a valuable addition to a heart-healthy diet.
A new study found that rats fed tart cherry powder on top of a high-fat, Western-style diet had lower body weight, fat mass, total cholesterol, triglyceride, TNF-alpha, and IL-6 levels. These findings suggest a potential link between tart cherry consumption and reduced cardiovascular risk factors.
A University of Alberta study reveals that consuming natural trans vaccenic acid (VA) can lower cholesterol levels and improve metabolic health. Results show significant reductions in total cholesterol, LDL cholesterol, and triglyceride levels, suggesting a potential benefit to using diets with enhanced VA.