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https://www.readbyqxmd.com/read/29161303/nonlinear-dynamics-of-early-atherosclerotic-plaque-formation-may-determine-the-efficacy-of-high-density-lipoproteins-hdl-in-plaque-regression
#1
Alexander D Chalmers, Christina A Bursill, Mary R Myerscough
We use a computational model to explore the effect of foam cell accumulation on plaque regression following an increase in high density lipoprotein (HDL) influx into the plaque. Atherosclerotic plaque formation is the outcome of cellular and cytokine responses to low density lipoproteins (LDL) that penetrate the artery wall following an injury to the endothelium and become modified. We modelled the cells and cytokines that are most important in plaque formation using partial differential equations. The model includes monocytes and macrophages, foam cells, macrophage chemoattractants, endothelium-stimulating cytokines, modified low density lipoproteins (mod LDL) and HDL...
2017: PloS One
https://www.readbyqxmd.com/read/29159396/association-of-nonalcoholic-fatty-liver-disease-with-lower-brain-volume-in-healthy-middle-aged-adults-in-the-framingham-study
#2
Galit Weinstein, Shira Zelber-Sagi, Sarah R Preis, Alexa S Beiser, Charles DeCarli, Elizabeth K Speliotes, Claudia L Satizabal, Ramachandran S Vasan, Sudha Seshadri
Importance: Nonalcoholic fatty liver disease (NAFLD) is a common condition that is most often asymptomatic. It is associated with metabolic syndrome, incident diabetes, carotid atherosclerosis, and endothelial dysfunction, conditions that in turn are strongly linked with brain damage and cognitive impairment. However, it is not known whether NAFLD is associated with structural brain measures in humans. Objective: To assess the association between prevalent NAFLD and brain magnetic resonance imaging (MRI) measures...
November 20, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/29158160/glycoprotein-m6a-as-a-signaling-transducer-in-neuronal-lipid-rafts
#3
Yasuyuki Ito, Atsuko Honda, Michihiro Igarashi
Neuronal development is composed of the complex steps which involve many signaling proteins. On the other hand, there are many proteins highly expressed in the differentiated neurons at developmental stages, but of which physiological functions are not precisely known so far. Glycoprotein 6a (GPM6a) currently belongs to such proteins. This protein has four-transmembrane domains and is a member of proteolipid protein family. Recently, we demonstrated that GPM6a is highly concentrated in lipid rafts of the developing neuron with its palmitoylation, and that this molecule is involved in rapid determination of the neuronal polarity, in response to laminin, an extracellular matrix protein (Honda et al...
November 17, 2017: Neuroscience Research
https://www.readbyqxmd.com/read/29157582/serum-lipid-profile-sleep-disordered-breathing-and-blood-pressure-in-the-elderly-a-10-year-follow-up-of-the-proof-synapse-cohort
#4
Denis Monneret, Jean-Claude Barthélémy, David Hupin, Delphine Maudoux, Sébastien Celle, Emilia Sforza, Frédéric Roche
OBJECTIVES: Dyslipidemia, sleep-disordered breathing (SDB) and hypertension are comorbid factors evidenced in adults, but poorly studied in old people. This study aimed to examine the long-term evolution of the serum lipid profile, and its relationships with SDB and blood pressure (BP) in the elderly. METHODS: A ten-year follow-up of the prospective Prognostic Indicator of Cardiovascular and Cerebrovascular Events (PROOF) and the Autonomic Nervous System Activity, Aging and Sleep Apnea/Hypopnea (SYNAPSE) cohort, which initially included 1011 elderly subjects from the general population, and who were untreated by continuous positive airway pressure (CPAP)...
November 2017: Sleep Medicine
https://www.readbyqxmd.com/read/29157252/diet-quality-and-therapeutic-targets-in-patients-with-type-2-diabetes-evaluation-of-concordance-between-dietary-indexes
#5
Juliana Peçanha Antonio, Vanessa Costa da Rosa, Roberta Aguiar Sarmento, Jussara Carnevale de Almeida
BACKGROUND: This study aimed to evaluate the concordance between two dietary indexes, the Healthy Eating Index (HEI) and the Diabetes Healthy Eating Index (DHEI), in evaluating diet quality and its possible association with therapeutic targets in patients with type 2 diabetes. METHODS: Cross-sectional study of outpatients with type 2 diabetes mellitus treated at a university hospital. Dietary information was obtained from a quantitative food frequency questionnaire (previously validated for use in patients with type 2 diabetes) and converted into daily intakes...
November 21, 2017: Nutrition Journal
https://www.readbyqxmd.com/read/29156935/-usefulness-of-plant-sterols-in-the-treatment-of-hypercholesterolemia
#6
Vicente Pascual Fuster
A consumption of 2 grams per day of plant sterols produces an inhibition of intestinal absorption of cholesterol and reduces the plasma concentration of c-LDL (cholesterol associated with low-density lipoprotein) by around 10%, which has determined its incorporation into different food products like margarines or dairy. The plant sterols develop their action in the intestine, where they reduce the absorption of cholesterol increasing their elimination fecal. In clinical practice, the use of functional foods with plant sterols at the recommended doses can be considered as a complement to lifestyle modifications, in individuals with hypercholesterolemia and low cardiovascular risk but who do not require hypocholesterolemic pharmacological treatment, and also in those patients receiving pharmacological treatment with lipid-lowering drugs and who do not get the therapeutic goals of c-LDL...
October 15, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/29156323/early-life-exposure-to-per-and-polyfluoroalkyl-substances-and-mid-childhood-lipid-and-alanine-aminotransferase-levels
#7
Ana M Mora, Abby F Fleisch, Sheryl L Rifas-Shiman, Jennifer A Woo Baidal, Larissa Pardo, Thomas F Webster, Antonia M Calafat, Xiaoyun Ye, Emily Oken, Sharon K Sagiv
BACKGROUND: Growing evidence suggests that exposure to per- and polyfluoroalkyl substances (PFASs) may disrupt lipid homeostasis and liver function, but data in children are limited. OBJECTIVE: We examined the association of prenatal and mid-childhood PFAS exposure with lipids and alanine aminotransferase (ALT) levels in children. METHODS: We studied 682 mother-child pairs from a Boston-area pre-birth cohort. We quantified PFASs in maternal plasma collected in pregnancy (median 9...
November 17, 2017: Environment International
https://www.readbyqxmd.com/read/29156296/associations-between-severity-of-anxiety-and-clinical-and-biological-features-of-major-affective-disorders
#8
Fernanda Liboni Cavicchioli, Michael Maes, Chutima Roomruangwong, Kamila Landucci Bonifacio, Decio Sabbatini Barbosa, George Anderson, Heber Odebrecht Vargas, Sandra Odebrecht Vargas Nunes
Patients with major affective disorders (MAFD) with comorbid anxiety show a greater functional impairment than those without anxiety. The aim of this study is to delineate the associations between severity of anxiety in MAFD, namely bipolar disorder (BD) and major depression (MDD), and MAFD characteristics and serum high-density lipoprotein (HDL)-cholesterol levels. Recruited were 82 participants with anxiety disoders and 83 without anxiety disoders, including 101 MAFD patients and 51 healthy controls. We used the Hamilton Anxiety Rating Scale (HAM-A) to measure severity of anxiety and made the diagnoses of posttraumatic stress disorder (PTSD), obsessive compulsive disorder (OCD), panic disorder (PD), generalized anxiety disorder (GAD) and phobias...
November 8, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/29155848/an-electronic-health-record-based-model-predicts-statin-adherence-ldl-cholesterol-and-cardiovascular-disease-in-the-united-states-military-health-system
#9
Joseph E Lucas, Taylor C Bazemore, Celan Alo, Patrick B Monahan, Deepak Voora
HMG-CoA reductase inhibitors (or "statins") are important and commonly used medications to lower cholesterol and prevent cardiovascular disease. Nearly half of patients stop taking statin medications one year after they are prescribed leading to higher cholesterol, increased cardiovascular risk, and costs due to excess hospitalizations. Identifying which patients are at highest risk for not adhering to long-term statin therapy is an important step towards individualizing interventions to improve adherence. Electronic health records (EHR) are an increasingly common source of data that are challenging to analyze but have potential for generating more accurate predictions of disease risk...
2017: PloS One
https://www.readbyqxmd.com/read/29155776/differential-effects-of-lipid-lowering-drugs-in-modulating-morphology-of-cholesterol-particles
#10
Shanmugavel Madasamy, David Liu, Jason Lundry, Benjamin Alderete, Raymond Kong, J Paul Robinson, Alan H B Wu, Edward P Amento
Treatment of dyslipidemia patients with lipid-lowering drugs leads to a significant reduction in low-density lipoproteins (LDL) level and a low to moderate level of increase in high-density lipoprotein (HDL) cholesterol in plasma. However, a possible role of these drugs in altering morphology and distribution of cholesterol particles is poorly understood. Here, we describe the in vitro evaluation of lipid-lowering drug effects in modulating morphological features of cholesterol particles using the plaque array method in combination with imaging flow cytometry...
November 10, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29155147/selective-and-membrane-permeable-small-molecule-inhibitors-of-nicotinamide-n-methyltransferase-reverse-high-fat-diet-induced-obesity-in-mice
#11
Harshini Neelakantan, Virginia Vance, Michael D Wetzel, Hua-Yu Leo Wang, Stanton F McHardy, Celeste C Finnerty, Jonathan D Hommel, Stanley J Watowich
There is a critical need for new mechanism-of-action drugs that reduce the burden of obesity and associated chronic metabolic comorbidities. A potentially novel target to treat obesity and type 2 diabetes is nicotinamide-N-methyltransferase (NNMT), a cytosolic enzyme with newly identified roles in cellular metabolism and energy homeostasis. To validate NNMT as an anti-obesity drug target, we investigated the permeability, selectivity, mechanistic, and physiological properties of a series of small molecule NNMT inhibitors...
November 15, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/29155143/obeticholic-acid-raises-ldl-cholesterol-and-reduces-hdl-cholesterol-in-the-diet-induced-nash-din-hamster-model
#12
François Briand, Emmanuel Brousseau, Marjolaine Quinsat, Rémy Burcelin, Thierry Sulpice
The use of rat and mouse models limits the translation to humans for developing novel drugs targeting nonalcoholic steatohepatitis (NASH). Obeticholic acid (OCA) illustrates this limitation since its dyslipidemic effect in humans cannot be observed in these rodents. Conversely, Golden Syrian hamsters have a lipoprotein metabolism mimicking human dyslipidemia since it does express the cholesteryl ester transfer protein (CETP). We therefore developed a Diet-induced NASH (DIN) hamster model and evaluated the impact of OCA...
November 16, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29155119/high-serum-bilirubin-is-associated-with-lower-prevalence-of-peripheral-arterial-disease-among-cardiac-patients
#13
Michishige Ozeki, Hideaki Morita, Masatoshi Miyamura, Tomohiro Fujisaka, Shu-Ichi Fujita, Takahide Ito, Kensaku Shibata, Suguru Tanaka, Koichi Sohmiya, Masaaki Hoshiga, Nobukazu Ishizaka
Several studies have shown that subjects with higher serum bilirubin may have a lower risk of cardiovascular disorders. We herein investigated whether serum bilirubin concentration is associated with lower extremity ischemia among cardiology patients. In total, 935 patients without a history of angioplasty or bypass surgery of the lower limb arteries and who had bilateral ankle-brachial index measurements were included in the study. Peripheral arterial disease (PAD) was defined to be present when ABI of either or both sides was <0...
November 18, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/29154925/membrane-cholesterol-depletion-in-cortical-neurons-highlights-altered-nmda-receptor-functionality-in-a-mouse-model-of-amyotrophic-lateral-sclerosis
#14
Alessia Antonini, Silvia Caioli, Luana Saba, Giulia Vindigni, Silvia Biocca, Nadia Canu, Cristina Zona
Amyotrophic Lateral Sclerosis (ALS) is a chronic neurodegenerative disease affecting upper and lower motor neurons, with unknown aetiology. Lipid rafts, cholesterol enriched microdomains of the plasma membrane, have been linked to neurodegenerative disorders like ALS. The NMDA-receptor subcellular localization in lipid rafts is known to play many roles, from modulating memory strength to neurotoxicity. In this study, performed on the widely used G93A mouse model of ALS, we have shown an equal content of total membrane cholesterol in Control and G93A cortical cultures...
November 14, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29154726/comparison-of-apolipoprotein-apob-apoa-1-and-lipoprotein-total-cholesterol-hdl-ratios-in-obese-adolescents
#15
Ramin Alemzadeh, Jessica Kichler
BACKGROUND: Serum (ApoB/ApoA-1) ratio is considered a stronger predictor of systemic inflammation and atherosclerosis than serum total cholesterol/HDL (TC/HDL) ratio among adults. We evaluated the relationships between ApoB/ApoA-1 and TC/HDL ratios with surrogate markers of inflammation and insulin resistance (IR) among obese adolescents. METHODS: Body mass index z-score (BMI-z), body composition, fasting glucose, insulin, lipids, high-sensitive c-reactive protein (hs-CRP), hemoglobin A1c (HbA1c), and homeostatic model assessment for insulin resistance (HOMA-IR) were evaluated in 143 obese adolescents...
November 20, 2017: Metabolic Syndrome and related Disorders
https://www.readbyqxmd.com/read/29154060/efficacy-and-safety-of-a-combination-of-red-yeast-rice-and-olive-extract-in-hypercholesterolemic-patients-with-and-without-statin-associated-myalgia
#16
Christian Tshongo Muhindo, Sylvie A Ahn, Michel F Rousseau, Yvan Dierckxsens, Michel P Hermans
Cholesfytol(®), a lipid-lowering dietary supplement with antioxidant and anti-atherosclerotic properties, combines red yeast rice (RYR) and olive extract (5mg hydroxytyrosol equivalent) and represents an alternative for patients who do not wish or are unable to use chemical statins, including individuals with previous statin-associated muscle symptoms (SAMS). A 2-months observational non-randomized study was performed to evaluate the efficacy, tolerance and safety of Cholesfytol(®) (1 tablet/day) in 642 hypercholesterolemic patients (mean age: 59 yrs; total cholesterol (TC) ≥200; LDL-C ≥140mg/dl)...
December 2017: Complementary Therapies in Medicine
https://www.readbyqxmd.com/read/29153337/-optimal-cholesterol-levels-in-patients-in-real-life-a-systematic-review
#17
REVIEW
C Escobar, V Barrios, L Pérez de Isla
Dyslipidaemia is one of the main risk factors for the development of atherosclerosis. Different studies have demonstrated that the lower the LDL cholesterol, the better. Current evidence shows that the LDL cholesterol targets recommended by the clinical practice guidelines are beneficial and safe. However, consistent data show that higher reductions might provide additional cardiovascular beneficial effects, without an increase in side effects. Unfortunately, the current control of dyslipidaemia is very poor...
November 16, 2017: Semergen
https://www.readbyqxmd.com/read/29152896/trimetazidine-restores-the-positive-adaptation-to-exercise-training-by-mitigating-statin-induced-skeletal-muscle-injury
#18
Ming Song, Fang-Fang Chen, Yi-Hui Li, Lei Zhang, Feng Wang, Ran-Ran Qin, Zhi-Hao Wang, Ming Zhong, Meng-Xiong Tang, Wei Zhang, Lu Han
BACKGROUND: Exercise rehabilitation is demonstrated to improve the prognosis of patients with coronary heart disease (CHD). Statins, as the key medicine to lower cholesterol in CHD, result in skeletal muscle injury and impair exercise training adaptation. Energy metabolism dysfunction is identified as the potential mechanism underlying statin-induced skeletal muscle injury. In this study, we investigated the effects of the metabolic modulator trimetazidine on skeletal muscle energy metabolism and statin-associated exercise intolerance...
November 19, 2017: Journal of Cachexia, Sarcopenia and Muscle
https://www.readbyqxmd.com/read/29152254/calcium-intake-and-the-associations-with-faecal-fat-and-energy-excretion-and-lipid-profile-in-a-free-living-population
#19
Louise Kjølbæk, Janne K Lorenzen, Lesli H Larsen, Arne Astrup
The aim of the present study was to investigate the associations between the habitual Ca intake and faecal fat and energy excretion as well as blood lipid profile in free-living normal-weight and overweight individuals. The participants were enrolled for an 8-d period where data from a 7-d diet registration (days 1-7), a 5-d faeces collection (days 3-7), a 2-d urine collection (days 5-7), and anthropometric measurements and a fasting blood sample (day 8) were collected. Analyses showed that dietary Ca intake (g/10 MJ per d) was positively associated with excretion of faecal fat (P = 0·004) and energy (P = 0·031) when adjusted for BMI, age, sex and intake of Ca-containing supplements...
2017: Journal of Nutritional Science
https://www.readbyqxmd.com/read/29151900/examining-factors-associated-with-nonadherence-and-identifying-providers-caring-for-nonadherent-subgroups
#20
Deborah A Taira, Brendan K Seto, James W Davis, Todd B Seto, Doug Landsittel, Wesley K Sumida
Objectives: To examine racial/ethnic and regional differences in medication adherence in patients with diabetes taking oral anti-diabetic, anti-hypertensive, and cholesterol lowering medications and to identify the pharmacies and prescribers who serve these communities. Methods: Administrative claims data was analyzed for members enrolled in a large health plan in Hawaii (2008-2010) with diabetes mellitus who were taking three types of medications: 1) oral anti-diabetic medications; 2) anti-hypertensive medications; 3) cholesterol lowering medications (n=5136)...
December 2017: Journal of Pharmaceutical Health Services Research
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