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https://www.readbyqxmd.com/read/27913180/structure-activity-and-in-vivo-evaluation-of-a-novel-lipoprotein-lipase-lpl-activator
#1
Werner J Geldenhuys, Joel Caporoso, Thomas C Leeper, Yoon-Kwang Lee, Li Lin, Altaf S Darvesh, Prabodh Sadana
Elevated triglycerides (TG) contribute towards increased risk for cardiovascular disease. Lipoprotein lipase (LPL) is an enzyme that is responsible for the metabolism of core triglycerides of very-low density lipoproteins (VLDL) and chylomicrons in the vasculature. In this study, we explored the structure-activity relationships of our lead compound (C10d) that we have previously identified as an LPL agonist. We found that the cyclopropyl moiety of C10d is not absolutely necessary for LPL activity. Several substitutions were found to result in loss of LPL activity...
November 21, 2016: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/27912883/miltirone-protects-human-ea-hy926-endothelial-cells-from-oxidized-low-density-lipoprotein-derived-oxidative-stress-via-a-heme-oxygenase-1-and-mapk-nrf2-dependent-pathway
#2
Liu Zhang, Hui Zhang, Xueyan Li, Bingjie Jia, Yuyu Yang, Ping Zhou, Ping Li, Jun Chen
BACKGROUND: Oxidized low-density lipoprotein (ox-LDL) is an underlying cause of endothelial dysfunction, which is an early event in the pathogenesis of atherosclerosis. In our previous study, we established an ARE-driven luciferase reporter system and screened out several potential Nrf2 activators from Salvia miltiorrhiza Bunge. PURPOSE: Since miltirone showed the most potent ARE-driven luciferase activity, the aim of this study was to test the protective role of miltirone against oxidative stress in endothelial cell and to investigate the underlying mechanistic signaling pathways...
December 15, 2016: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/27908779/lipoprotein-lipase-does-not-increase-significantly-in-the-postprandial-plasma
#3
Nobuyoshi Ishiyama, Kouji Sakamaki, Younosuke Shimomura, Kazuhiko Kotani, Kokoro Tsuzaki, Naoki Sakane, Kazuya Miyashita, Isao Fukamachi, Junji Kobayashi, Kimber L Stanhope, Peter J Havel, Keiko Kamachi, Akira Tanaka, Yoshiharu Tokita, Tetsuo Machida, Masami Murakami, Katsuyuki Nakajima
BACKGROUND: Previous reports have shown that lipoprotein lipase (LPL) activity significantly increases in the postprandial plasma associated with the increase of TG-rich lipoproteins. Therefore, we have reexamined those relationships using newly developed LPL assay with the different kinds of food intake. METHODS: Standard meal (n=81), 50g of fat (n=54), 75g of glucose (n=25) and cookie (25g fat and 75g carbohydrate fat) (n=28) were administered in generally healthy volunteers...
November 28, 2016: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/27906721/preoperative-evaluation-and-preparation-of-the-morbidly-obese-patient
#4
Andreas B Böhmer, Frank Wappler
PURPOSE OF REVIEW: This review aims to familiarize with the most current findings regarding preoperative evaluation and preparation of morbidly obese patients prior to elective, noncardiac surgery. In the light of the increasing number of surgical patients being morbidly obese, the knowledge of evidence-based preoperative evaluation strategies is profound for a rational approach. RECENT FINDINGS: Preoperative evaluation should be carried out with sufficient time before the day of surgery to allow modification of the perioperative management...
November 30, 2016: Current Opinion in Anaesthesiology
https://www.readbyqxmd.com/read/27906627/oxidized-low-density-lipoproteins-enhance-expression-and-activity-of-cd39-and-cd73-in-the-human-aortic-valve-endothelium
#5
Ewa Kaniewska-Bednarczuk, Michał Mielcarek, Adrian H Chester, Ewa M Slominska, Magdi H Yacoub, Ryszard T Smolenski
Extracellular nucleotides regulate thrombosis, inflammation, and immune response. Ectonucleoside triphosphate diphosphohydrolase 1 (CD39) and ecto-5'-nucleotidase (CD73) convert extracellular nucleotides in a sequential order: ATP to ADP, AMP, and then to adenosine. In this study, we aimed to test an effect of oxidized low-density lipoprotein (ox-LDL) on CD39 and CD73 in endothelial cells. Human aortic valve endothelial cells were exposed to ox-LDL for 24-48 h. Next, the activity, protein expression, and mRNA transcripts level of CD39 and CD73 were characterized by an incubation with ATP or AMP followed by high-performance liquid chromatography analysis of media as well as western blots and qPCR...
December 2016: Nucleosides, Nucleotides & Nucleic Acids
https://www.readbyqxmd.com/read/27906187/systemic-application-of-3-methyladenine-markedly-inhibited-atherosclerotic-lesion-in-apoe-mice-by-modulating-autophagy-foam-cell-formation-and-immune-negative-molecules
#6
Shen Dai, Bo Wang, Wen Li, Liyang Wang, Xingguo Song, Chun Guo, Yulan Li, Fengming Liu, Faliang Zhu, Qun Wang, Xiaoyan Wang, Yongyu Shi, Jianing Wang, Wei Zhao, Lining Zhang
A growing body of evidence demonstrates that autophagy, an evolutionarily conserved intracellular degradation process, is involved in the pathogenesis of atherosclerosis and has become a potential therapeutic target. Here we tested the effect of two inhibitors of phosphatidylinositol 3-kinase, 3-methyladenine (3-MA) and 2-(4-morpholinyl)-8-phenyl-chromone (LY294002), commonly used as inhibitors of autophagy, in atherosclerosis in apolipoprotein E(-/-) mice. Systemic application of 3-MA but not LY294002 markedly reduced the size of atherosclerotic plaque and increased the stability of lesions in high-fat diet-fed mice as compared with controls...
December 1, 2016: Cell Death & Disease
https://www.readbyqxmd.com/read/27904578/low-energy-density-diet-weight-loss-maintenance-and-risk-of-cardiovascular-disease-following-a-recent-weight-reduction-program-a-randomized-control-trial
#7
Golgis Karimi, Leila Azadbakht, Fahimeh Haghighatdoost, Ahmad Esmaillzadeh
BACKGROUND: Little is known about the effects of a low energy dense diet on weight maintenance and cardiovascular risks following a recent weight reduction. Therefore, we assessed if weight maintenance, lipid profiles, and glycemic control differ between low energy density (LED) diet and usual diet consumers following a recent weight reduction. MATERIALS AND METHODS: In this randomized controlled clinical trial study in a parallel design, we recruited 70 patients with the history of weight reduction in the recent 1 year...
2016: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/27904553/comparison-of-the-effects-of-metformin-flutamide-plus-oral-contraceptives-and-simvastatin-on-the-metabolic-consequences-of-polycystic-ovary-syndrome
#8
Ferdous Mehrabian, Hatav Ghasemi-Tehrani, Mahboobe Mohamadkhani, Maryam Moeinoddini, Pooya Karimzadeh
BACKGROUND: Polycystic ovary syndrome (PCOS) is one of the common endocrine disorders in women of reproductive ages. It is associated with a range of disorders, such as dyslipidemia, hypertension, insulin resistance (IR), compensatory hyperinsulinemia, gestational, and type 2 diabetes, and increased risk of cardiovascular morbidity. There are different treatments available for PCOS. The purpose of this study was to determine and compare the effects of metformin, flutamide plus oral contraceptives (OCs), and simvastatin on the metabolic consequences of PCOS...
2016: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/27901241/cardiovascular-risk-factors-associated-with-frailty-syndrome-among-hospitalized-elderly-people-a-cross-sectional-study
#9
Darlene Mara Dos Santos Tavares, Camila Gigante Colamego, Maycon Sousa Pegorari, Pollyana Cristina Dos Santos Ferreira, Flávia Aparecida Dias, Alisson Fernandes Bolina
CONTEXT AND OBJECTIVE: Identification of frailty syndrome and its relationship with cardiovascular risk factors among hospitalized elderly people is important, since this may contribute towards broadening of knowledge regarding this association within tertiary-level services. This study aimed to evaluate the cardiovascular risk factors associated with frailty syndrome among hospitalized elderly people. DESIGN AND SETTING: Observational cross-sectional study in a public teaching hospital...
September 2016: São Paulo Medical Journal, Revista Paulista de Medicina
https://www.readbyqxmd.com/read/27900987/effect-of-half-dose-and-standard-dose-conjugated-equine-estrogens-combined-with-natural-progesterone-or-dydrogesterone-on-components-of-metabolic-syndrome-in-healthy-postmenopausal-women-a-randomized-controlled-trial
#10
Wei Xue, Yan Deng, Yan-Fang Wang, Ai-Jun Sun
BACKGROUND: Menopausal hormone therapy (MHT) has been proven to have beneficial effects on several components of metabolic syndrome. However, the effects vary according to different regimens, dosages, and duration of MHT. The aim of the study was to evaluate the effect of standard-dose 0.625 mg conjugated equine estrogen (CEE) and half-dose 0.3 mg CEE daily with different progestogens in a continuous sequential regimen on postmenopausal metabolic parameters in generally healthy postmenopausal women...
2016: Chinese Medical Journal
https://www.readbyqxmd.com/read/27900959/effect-of-vitamin-c-supplementation-on-lipid-profile-serum-uric-acid-and-ascorbic-acid-in-children-on-hemodialysis
#11
Ghada Mohamed El Mashad, Hanan M ElSayed, Nahla A Nosair
Children with end-stage renal disease (ESRD) suffer from dyslipidemia and hyperuricemia that might play a causal role in the progression of cardiovascular disease (CVD). The aim of the study is to assess the effects of Vitamin C supplementation on uric acid, ascorbic acid, and serum lipid levels among children on hemodialysis (HD). This prospective study was conducted in the pediatric nephrology unit at Menoufia University Hospital. The study included a total of 60 children with ESRD on maintenance HD therapy...
November 2016: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/27900797/evidence-for-feedback-regulation-following-cholesterol-lowering-therapy-in-a-prostate-cancer-xenograft-model
#12
Elizabeth M Masko, Mahmoud A Alfaqih, Keith R Solomon, William T Barry, Christopher B Newgard, Michael J Muehlbauer, Nikolaos A Valilis, Tameika E Phillips, Susan H Poulton, Alexis R Freedland, Stephanie Sun, Shweta K Dambal, Sergio E Sanders, Everardo Macias, Michael R Freeman, Mark W Dewhirst, Salvatore V Pizzo, Stephen J Freedland
BACKGROUND: Epidemiologic data suggest cholesterol-lowering drugs may prevent the progression of prostate cancer, but not the incidence of the disease. However, the association of combination therapy in cholesterol reduction on prostate or any cancer is unclear. In this study, we compared the effects of the cholesterol lowering drugs simvastatin and ezetimibe alone or in combination on the growth of LAPC-4 prostate cancer in vivo xenografts. METHODS: Proliferation assays were conducted by MTS solution and assessed by Student's t-test...
November 30, 2016: Prostate
https://www.readbyqxmd.com/read/27897113/strong-association-of-lipid-metabolism-related-microrna-binding-sites-polymorphisms-with-the-risk-of-late-onset-alzheimer-s-disease
#13
Lin Tan, Da-Long Zhao, Fu-Rong Sun, Meng-Shan Tan, Yu Wan, Chen-Chen Tan, Wei Zhang, Dan Miao, Jin-Tai Yu, Lan Tan
Although altered lipid metabolism has been extensively implicated in the pathogenesis of late onset Alzheimer's disease (LOAD) through cell biological and epidemiological studies, genetic studies linking lipid metabolism and LOAD are still not well understood. MicroRNAs (miRNAs) exert post-transcriptional down-regulation and their target sequence on the 3' untranslated regions (3'UTR) may be altered by single nucleotide polymorphisms (SNPs). We therefore explore whether the six loci in Clusterin gene (CLU) (rs9331949), Lipoprotein lipase gene (LPL) (rs1059507, rs3200218, rs3208305, rs3735964) and Low-density lipoprotein receptor related protein 6 (LRP6) (rs2160525) could modulate LOAD risk through the alteration of miRNA binding sites...
October 27, 2016: Current Neurovascular Research
https://www.readbyqxmd.com/read/27897049/using-text-messages-to-promote-health-in-african-americans-hearthealthyandcancerfree
#14
Allison R Jones, Debra K Moser, Jennifer Hatcher
OBJECTIVES: African-Americans are vulnerable to both cancer and cardiovascular disease (CVD) due to intricately connected risk factors. Use of text messages is an innovative method to provide health information to reduce these risks. The aim of this study was to test the feasibility and acceptability of a text messaging intervention to reduce CVD and cancer risk factors in African-Americans. DESIGN: We developed an intervention using text messages culturally tailored for African-Americans over age 50 who were at risk (one or more modifiable risk factors) for CVD and/or cancer...
November 29, 2016: Ethnicity & Health
https://www.readbyqxmd.com/read/27896929/impact-of-inflammation-and-oxidative-stress-on-carotid-intima-media-thickness-in-obstructive-sleep-apnea-patients-without-metabolic-syndrome
#15
Ya-Ting Chang, Hsin-Ching Lin, Wen-Neng Chang, Nai-Wen Tsai, Chih-Cheng Huang, Hung-Chen Wang, Chia-Te Kung, Yu-Jih Su, Wei-Che Lin, Ben-Chung Cheng, Chih-Min Su, Ting-Yao Chen, Yi-Fang Chiang, Cheng-Hsien Lu
Obstructive sleep apnea (OSA) increases the risk of cardiovascular diseases, and carotid intima-media thickness (IMT) is a good indicator of the severity of atherosclerotic disease. This study tested the hypothesis that inflammation and oxidative stress determined carotid IMT in patients with OSA. The carotid IMT, mean systolic and diastolic pressure (night and morning) were significantly higher and the level of thiols and high-density lipoprotein were significantly lower in our 121 OSA patients than in 27 controls (P < 0...
November 28, 2016: Journal of Sleep Research
https://www.readbyqxmd.com/read/27896233/serum-fructosamine-serum-glycated-albumin-and-serum-glycated-%C3%AE-lipoprotein-in-type-2-diabetes-mellitus-patients-with-and-without-microvascular-complications
#16
Tejaskumar R Kalaria, Habibunnisha B Sirajwala, Mukesh G Gohel
BACKGROUND: Glycation of serum proteins has been proposed as an important mechanism of complications of diabetes but whether there are differences in glycation of different serum proteins and whether it has any correlation with development of microvascular complications has not been studied in depth. This study aimed to assess level of serum fructosamine, glycated albumin and glycated β-lipoprotein in type 2 diabetes mellitus patients with and without microvascular complications and to find out their correlation with diabetes complications...
2016: Journal of Diabetes and Metabolic Disorders
https://www.readbyqxmd.com/read/27894953/biological-variability-of-lipoprotein-associated-phospholipase-a2activity-in-healthy-individuals
#17
Leslie J Donato, Jeffrey W Meeusen, Sarah M Jenkins, Stacy J Hartman, Amy K Saenger, Nikola A Baumann, Darci R Block, Allan S Jaffe
OBJECTIVES: Measuring lipoprotein-associated phospholipase A2 (Lp-PLA2) activity can aid in identifying individuals at higher risk of coronary heart disease. However, the biological variation of Lp-PLA2 activity and corresponding reference change value (RCV) is unknown which limits interpretation of results. In this study we aim to define the intra- and inter-individual variability of Lp-PLA2 activity in a healthy reference population. METHODS: A total of 24 healthy individuals (22-47years of age) were prospectively collected at several time points: daily for five days (after overnight fast), daily for three days (while non-fasting), weekly for four weeks (after overnight fast), and monthly for 6months (after overnight fast)...
November 25, 2016: Clinical Biochemistry
https://www.readbyqxmd.com/read/27891330/evaluation-of-lipid-profile-and-apolipoproteins-in-essential-hypertensive-patients
#18
Parsuram Nayak, Suchismita Panda, Pravat Kumar Thatoi, Roma Rattan, Srikrushna Mohapatra, Pramila Kumari Mishra
INTRODUCTION: Essential hypertension is one of the most common diseases of the Indian population contributing greatly to the morbidity, mortality and economic burden. It has a strong association with cardiovascular disease and abnormal lipid metabolism. Not only the traditional lipid parameters, but also the novel lipid components like Apo A1 and Apo B100 also have been identified to play a role. AIM: The present study was done to evaluate serum lipid profile and Apo A1, Apo B 100 in essential hypertensive patients and correlate their values with the degree of hypertension...
October 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27890342/impact-of-laparoscopic-roux-en-y-gastric-bypass-versus-sleeve-gastrectomy-on-postoperative-lipid-values
#19
Andrew D Van Osdol, Brandon T Grover, Andrew J Borgert, Kara J Kallies, Shanu N Kothari
BACKGROUND: Metabolic surgery has been shown to significantly improve many obesity-related co-morbidities, including dyslipidemia. The literature has produced mixed results comparing postoperative lipid values after laparoscopic Roux-en-Y gastric bypass (LRYGB) compared to laparoscopic sleeve gastrectomy (LSG); with some indicating significantly greater reductions in total cholesterol and low-density lipoprotein (LDL) in LRYGB versus LSG, and others reporting no significant differences...
October 1, 2016: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
https://www.readbyqxmd.com/read/27887691/cost-effectiveness-of-achieving-targets-of-low-density-lipoprotein-particle-number-versus-low-density-lipoprotein-cholesterol-level
#20
Michael Grabner, Deborah A Winegar, Rajeshwari S Punekar, Ralph A Quimbo, Mark J Cziraky, William C Cromwell
A recent analysis of a commercially insured US population found fewer cardiovascular disease (CVD) events in high-risk patients attaining low levels of low-density lipoprotein (LDL), as measured by LDL particle number (LDL-P) versus low LDL cholesterol (LDL-C). Here, we investigated the cost effectiveness of LDL-lowering therapy guided by LDL-P. Patients were selected from the HealthCore Integrated Research Database and followed for 12 to 36 months. Patients who achieved LDL-P <1,000 nmol/l were placed into the LDL-P cohort, whereas those without LDL-P tests, but who achieved LDL-C <100 mg/dl, were placed into the LDL-C cohort...
October 31, 2016: American Journal of Cardiology
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