Research on cholesterol and heart health. Covers post-heart-attack LDL lowering, cardiovascular event reduction, gene-editing therapy, and cancer links.
Researchers discover that lanosterol stimulates the degradation of cholesterol-building enzyme HMG CoA reductase, controlling cellular cholesterol production. This finding has important clinical implications for improving cholesterol control in statin therapy.
Dr. Goldstein and Dr. Brown will discuss their research on the regulated intramembrane proteolysis (RIP) of sterol regulatory element binding proteins (SREBPs), which regulates lipid biosynthesis and plasma cholesterol levels. Their work has been recognized with numerous awards, including Nobel Prize in Physiology or Medicine.
A new study found that cholesterol plays a crucial role in regulating cell signals by interacting with the oxysterol binding protein (OSBP), which controls the deactivation of ERK. This mechanism helps maintain proper levels of active ERK, preventing cancer growth.
Researchers found a biochemical switch, PGC-1beta, in liver cells that triggers the harmful effects of saturated and trans fats. The discovery offers hope for developing drug therapies to lower cholesterol levels and heart disease risk.
A study of 1,551 middle-aged Finnish men found that those consuming higher amounts of polyunsaturated fatty acids had a lower risk of cardiovascular death. The researchers suggest that dietary fat quality is more important than quantity in reducing cardiovascular disease mortality in men.
Current FOBT screening recommendations are being reexamined due to low test accuracy and non-compliance. A study of 3,121 people found that single office-based FOBT tests missed advanced precancerous lesions 95% of the time.
A study of 502 patients with coronary artery disease found that statin therapy lowered both LDL cholesterol and C-reactive protein levels, leading to slower disease progression. The research suggests that inflammation plays a key role in cardiovascular disease and may be useful in patient management.
A new study found that combining plant sterols with exercise can significantly improve cholesterol levels in previously sedentary adults. The combination therapy favourably altered lipid profiles by decreasing total cholesterol and increasing high-density lipoprotein (HDL) cholesterol levels.
Research reviews medical studies on mixed dementia and finds that treating cardiovascular risk factors like high blood pressure can be more effective in protecting brain function. This approach shows promise as a complementary strategy to memory-preserving drugs.
A recent study published in Journal of Agricultural and Food Chemistry found that drinking pomelit juice daily can lower LDL blood cholesterol and increase antioxidant activity. Hypercholesterolic patients may benefit from adding fresh Sweetie juice to their diet as a preventative measure against future heart disease.
A study analyzing claims data from 11 managed care health plans found that the risk of rhabdomyolysis is relatively low with three frequently prescribed statins. The study suggests that patients taking statins and fibrates combined, such as those with diabetes mellitus, should be monitored for symptoms suggestive of rhabdomyolysis.
Researchers found that activating FXR can prevent gallstone formation by restoring balance of bile acids and phospholipids. The study suggests a potential new direction for diagnosis and prevention of cholesterol gallstone disease, with implications for patients who have had their gallbladders removed.
Researchers found that Hispanic Americans were 36% less likely than non-Hispanic whites to have properly controlled cholesterol, while Chinese Americans showed no difference. Treatment was often insufficient to meet recommended goals, with only 22% of patients who qualified for medication having their LDL cholesterol under control.
Tailoring interventions to patient needs increases sustainability and improves outcomes in Ischemic Heart Disease. Patients benefit from clinician-led secondary prevention strategies.
A new study shows that a cholesterol-lowering medication can improve symptoms of depression and cognition in people with mild-to-moderate Alzheimer's disease. The treatment, atorvastatin, reduced bad cholesterol by more than 50% and showed significant improvement in depression symptoms.
The ARIES trial shows CRESTOR 10mg reduced LDL-C by 37%, compared to 32% for atorvastatin, with higher response rates among African-American patients. CRESTOR also improved HDL-C levels and reduced non-HDL-C and total cholesterol.
A diet high in walnuts decreases C-reactive protein, a marker of inflammation associated with heart disease. The study found that walnut consumption lowered total cholesterol, LDLs, and triglycerides, while also reducing inflammatory markers.
A large study reveals that co-administration of Zetia and fenofibrate significantly lowers LDL cholesterol, non-HDL cholesterol, and apo B to a greater extent than fenofibrate alone in mixed hyperlipidemia patients. This improvement is also seen in HDL cholesterol levels.
Genetic variation in ABCA1 transporter contributes to reduced HDL cholesterol levels in the general population. The study found that specific mutations affect HDL levels, with lower levels associated with a higher risk of cardiovascular disease.
In a subgroup of high-risk patients, VYTORIN significantly reduced LDL cholesterol by 59% compared to Lipitor. This resulted in more patients achieving an LDL cholesterol goal of less than 100mg/dL with VYTORIN, and increased HDL cholesterol levels.
A study found that a mitochondrial mutation may contribute to the development of metabolic syndrome, a cluster of disorders including high blood pressure and high cholesterol. Researchers discovered the link in a four-generation family affected by hypertension, hypercholesterolemia, and other conditions.
A study by Wake Forest University Baptist Medical Center found that the experimental drug Trichostatin A (TSA) significantly reduced atherosclerosis in mice. TSA treatment decreased aortic arch deposits and macrophage gathering, leading to increased plaque stability.
Researchers found that nevirapine significantly increases HDL cholesterol levels more than efavirenz, making it a preferable option for HIV-infected adults with increased cardiovascular risk. This study suggests that considering individual factors beyond cardiovascular risk can lead to more personalized treatment decisions.
Researchers found that taking Welchol, a bile acid sequestrant, with TriCor, a fibrate, resulted in no significant interaction. The study involved 30 healthy volunteers who received different treatment regimens involving the two drugs, showing that co-administration is safe and effective.
Researchers found that lean mass, intra-abdominal fat, and inflammation biomarker sTNFR1 are higher in women with metabolic syndrome, independently related to its severity. Analysis of these factors can help doctors identify postmenopausal women at increased risk for diabetes and heart disease.
Researchers found that an ACAT inhibitor reduced amyloid deposition and improved learning in female mice, suggesting a potential therapeutic approach for Alzheimer's. The study also showed promising results for male mice, which could lead to faster development of new treatments.
A new anti-cholesterol drug, CP-113,818, has shown promise in treating Alzheimer's disease by reducing amyloid plaque accumulation and improving learning and memory in mice. Treatment with the drug resulted in a significant reduction of cholesterol storage in the brain, as well as improved performance on cognitive tests.
A study found racial and gender differences in lipid profiles, with African-American women having the best distribution and white men having the worst. These differences can determine cardiovascular disease risk.
A new study suggests that early initiation of intensive statin treatment after a heart attack may lower the risk of future cardiovascular events. The research found that participants who received high-dose simvastatin had better outcomes than those on a placebo, despite an increased risk of muscle-related side effects.
A new laboratory study using rat liver cells found that the blueberry compound pterostilbene activates the PPAR-alpha receptor, reducing cholesterol and other lipids. Pterostilbene was shown to be similar in activity to a commercial drug, but with fewer side effects.
The American Chemical Society has recognized four companies for developing innovative therapies for various ailments, including eye disease and high cholesterol. These breakthroughs were made possible by the work of industrial chemists and chemical engineers who have led to commercially successful products that improve quality of life.
Researchers identified rare genetic mutations that significantly increase heart disease risk by focusing on individuals at the extreme ends of HDL levels. These findings provide direct evidence that rare variations in DNA can affect HDL levels, opening up new avenues for treatment and diagnostic targets.
A UK study found that a significant proportion of people with type 2 diabetes are managed solely through diet, receiving inadequate monitoring and care. This highlights the need for better routine surveillance and consistency in clinical practice to address the high rate of complications among these patients.
A randomized trial found that pravastatin therapy reduced LDL-C levels by 24.1% and carotid intima-media thickness by regression in children with familial hypercholesterolemia. The study's findings suggest that statin treatment can reverse increased arterial wall thickness progression in these patients.
Research suggests that managing blood pressure, cholesterol, blood sugar levels, and body weight can promote healthier aging and reduce Alzheimer's risk. Studies found a consistent increase in cognitive health with higher HDL (good) cholesterol levels and some hypertension medications associated with reduced Alzheimer's risk.
A study of over 1,000 children followed into adulthood found a strong association between extensive TV viewing and increased risk of obesity, high cholesterol, smoking, and poor cardiovascular fitness. Parents are advised to limit children's TV viewing to 1-2 hours per day to prevent long-term health consequences.
The updated report recommends lower LDL cholesterol levels as a direct relationship with reduced risk for major coronary events. Therapeutic lifestyle changes are also emphasized for cholesterol management.
A randomized trial found that tenofovir disoproxil fumarate achieved high viral load suppression rates, comparable to stavudine-based regimens. Tenofovir DF was also associated with lower toxicity and better lipid profiles.
Researchers discovered that replenishing depleted neurosteroid hormone allopregnanolone significantly delayed neurological deficits and doubled the lifespan of mice with neurodegenerative disease. The treatment was particularly potent when administered early in life and showed promise for delaying symptom onset and progression.
A large-scale study found that soy protein supplementation with isoflavones had no effect on cognitive function, bone mineral density, or cholesterol levels in postmenopausal women. The authors suggest that the timing of supplementation may be a key factor in determining its efficacy.
A recent study found that nearly half of adults with hypertension also have high cholesterol, which can be treated with existing medications. However, many individuals are not receiving adequate treatment for their cholesterol problems, highlighting the need for aggressive management of both conditions to prevent cardiovascular disease.
A study found two common genetic polymorphisms associated with reduced statin effectiveness, affecting total and LDL cholesterol levels. The findings suggest personalized medicine and genetic screening could improve treatment outcomes.
Researchers genetically modified mice to lack the CT or PEMT pathways, resulting in significant reductions of lipoproteins and homocysteine levels. This suggests pharmacological inhibition of PC manufacture in the liver as a potential approach to lower LDL cholesterol and homocysteine levels.
A new study shows that estrogen skin patches can counteract high cholesterol associated with hormone therapy for prostate cancer. The patches decreased overall cholesterol levels by 10 percent and increased good cholesterol (HDL), while also improving lipid profiles.
A landmark UK study sponsored by Diabetes UK, Department of Health, and Pfizer UK showed that 10mg atorvastatin reduced cardiovascular events by 37% in patients with diabetes without existing CVD. Stroke was substantially reduced by 48% in these patients.
Exercise has been shown to improve physical fitness, lower back pain, and cholesterol levels in early postmenopausal women. After 26 months, the exercise group experienced significant increases in physical fitness and reductions in bone loss compared to the control group.
Researchers found that moderate exercise, combined with antioxidant vitamins C and E and the amino acid L-arginine, significantly reduced atherosclerosis lesions by 40% compared to high cholesterol diet alone. Exercise also lowered blood pressure and prevented unwanted blood clotting.
A Phase II study found LEA29Y effective in preventing acute rejection, but showed significant improvements in kidney function, blood pressure, and cholesterol levels compared to cyclosporine therapy.
A randomized, controlled trial found that a low-carb diet with vitamin supplements led to greater weight loss, body fat reduction, and improved cholesterol levels than a low-fat diet. However, the low-carb group experienced more adverse physical effects.
Two studies found that low-carbohydrate diets led to greater weight loss in obese adults than conventional diets. The low-carb group showed improvements in triglyceride levels and better control of blood sugar for those with diabetes.
A compound found in orange and tangerine peels has shown promise as a natural alternative for lowering LDL cholesterol without side effects. The compound, called polymethoxylated flavones (PMFs), was found to lower cholesterol levels by 32-40% in animal studies.
A study highlights the significant risk of cardiovascular disease in women with type 2 diabetes, emphasizing the importance of controlling blood glucose levels, managing cholesterol, and preventing diabetes. The researchers outline strategies for treating diabetic women and CVD, including intensive therapy and lifestyle modifications.
A new animal study suggests that antioxidant vitamins may increase the secretion of VLDL in liver cells, leading to higher levels of LDL cholesterol. The study found that vitamins hampered a process in the liver that prevents the production of harmful lipoproteins.
ACTOS, an insulin sensitizer, is shown to improve diabetic dyslipidemia components when administered in combination with other diabetes therapies. The study found significant increases in average and peak LDL and HDL particle size, accompanied by a decrease in particle density.
A newly discovered gene, Pcsk9, has been found to regulate the uptake of bad cholesterol from the blood by affecting liver cells' LDL receptors. This study provides a potential therapeutic approach to treating high blood cholesterol levels, a major risk factor for heart disease.
Research found a 50% increased risk of total stroke and 70% increased risk of ischemic stroke in women with migraine with aura, compared to those without. High cholesterol levels were also associated with an increased risk of ischemic stroke.
Researchers found that cholesterol levels peak in the winter and decrease in the summer, with women experiencing greater seasonal variability. The study suggests that changes in plasma volume explain the observed increases in cholesterol levels during the winter months.
The American College of Physicians recommends statin therapy for adults with type 2 diabetes, regardless of cholesterol levels, due to the high risk of cardiovascular disease. The guidelines also emphasize the importance of monitoring liver function and muscle enzymes only in patients with pre-existing conditions.
A study found that long-term calorie restriction significantly reduces risk of atherosclerosis, diabetes, and high blood pressure. Participants on low-calorie diets had lower cholesterol, triglyceride, and fasting glucose levels compared to those on typical Western diets.
A new animal study has found that trans fats can significantly increase total cholesterol and LDL-C levels, as well as TC/HDL-C ratios, in a swine model. The study suggests that high-trans fat diets may promote the rapid development of cardiovascular disease.