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Atherosclerosys

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https://www.readbyqxmd.com/read/28812379/dietary-polyphenols-for-atherosclerosis-a-comprehensive-review-and-future-perspectives
#1
Roodabeh Bahramsoltani, Farnaz Ebrahimi, Mohammad Hosein Farzaei, Armaghan Baratpourmoghaddam, Pardis Ahmadi Borkani, Pourouchista Rostamiasrabadi, Amir Hosein Rasouli Amirabadi, Roja Rahimi
Atherosclerosis is one of the most prevalent reasons for premature death in adults. Despite the several conventional drugs in the market; many patients are not completely treated. Here we comprehensively review current clinical evidence regarding the efficacy of dietary polyphenols in atherosclerosis and related complications. PubMed, Cochrane library and Scopus were searched from inception until August 2016 to obtain clinical trials in which polyphenols were evaluated in cardiovascular parameters related to atherosclerosis...
August 16, 2017: Critical Reviews in Food Science and Nutrition
https://www.readbyqxmd.com/read/28812343/xanthohumol-suppresses-mylip-idol-gene-expression-and-modulates-ldlr-abundance-and-activity-in-hepg2-cells
#2
Shih-Fen Chen, Pei-Yi Chen, Hao-Jen Hsu, Ming-Jiuan Wu, Jui-Hung Yen
Xanthohumol, a prenylated flavonoid found in hops (Humulus lupulus L.), exhibits multiple biological activities such as anti-atherosclerosis and hypolipidemic activities. In this study, we aim to investigate the hypocholesterolemic effects and molecular mechanisms of xanthohumol in hepatic cells. We found that xanthohumol (10 and 20 μM) increased the amount of cell-surface low-density lipoprotein receptor (LDLR) from 100.0 ± 2.1% to 115.0±1.3% and 135.2±2.7%, and enhanced the LDL uptake activity from 100...
August 16, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28812326/effect-of-dietary-components-from-antarctic-krill-on-atherosclerosis-in-apoe-deficient-mice
#3
Cinzia Parolini, Bodil Bjorndal, Marco Busnelli, Stefano Manzini, Giulia S Ganzetti, Federica Dellera, Marie Ramsvik, Inge Bruheim, Rolf Kristian Berge, Giulia Chiesa
SCOPE: Antarctic krill is a great source of n-3 fatty acids and high-quality proteins. Aim of the study was to evaluate the effect of Antarctic krill components on plasma lipids and atherosclerosis development. METHODS AND RESULTS: Sixty apoEKO mice were divided into four groups and fed Western diet (CONTROL) or Western-like diets, differing for protein or fat content. Specifically, casein or fat in CONTROL was partially replaced by krill proteins (PRO), krill oil (KRILL OIL), or both (KRILL OIL+PRO)...
August 15, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28812103/re-expression-of-pro-fibrotic-embryonic-preserved-mediators-in-irradiated-arterial-vessels-of-the-head-and-neck-region
#4
Patrick Möbius, Raimund H M Preidl, Manuel Weber, Kerstin Amann, Friedrich W Neukam, Falk Wehrhan
PURPOSE: Surgical treatment of head and neck malignancies frequently includes microvascular free tissue transfer. Preoperative radiotherapy increases postoperative fibrosis-related complications up to transplant loss. Fibrogenesis is associated with re-expression of embryonic preserved tissue developmental mediators: osteopontin (OPN), regulated by sex-determining region Y‑box 9 (Sox9), and homeobox A9 (HoxA9) play important roles in pathologic tissue remodeling and are upregulated in atherosclerotic vascular lesions; dickkopf-1 (DKK1) inhibits pro-fibrotic and atherogenic Wnt signaling...
August 15, 2017: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/28812017/valve-calcification-in-aortic-stenosis-etiology-and-diagnostic-imaging-techniques
#5
REVIEW
María Manuela Izquierdo-Gómez, Iván Hernández-Betancor, Javier García-Niebla, Belén Marí-López, Ignacio Laynez-Cerdeña, Juan Lacalzada-Almeida
Aortic stenosis is the most common valvulopathy in the Western world. Its prevalence has increased significantly in recent years due to population aging; hence, up to 8% of westerners above the age of 84 now have severe aortic stenosis (Lindroos et al., 1993). This causes increased morbidity and mortality and therein lies the importance of adequate diagnosis and stratification of the degree of severity which allows planning the best therapeutic option in each case. Long understood as a passive age-related degenerative process, it is now considered a rather more complex entity involving mechanisms and factors similar to those of atherosclerosis (Stewart et al...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28811778/effects-of-blood-lipid-stability-on-progression-of-carotid-atherosclerosis
#6
Yu Ding, Bo Li, Feng Tian, Shanshan Zhou, Yundai Chen
OBJECTIVE: To evaluate the effects of blood lipid stability on progression of carotid atherosclerosis. METHODS: A total of 416 patients who had physical examination in our hospital annually from January 2010 to December 2015 were selected and divided into a progression group (n=216) and a non-progression group (n=200) according to the intima-media thickness measured by carotid ultrasound. The levels of lipid-related parameters within five years were retrospectively analyzed to calculate the smoothness index (SI = x±/s)...
May 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28811684/lead-as-a-risk-factor-for-osteoporosis-in-post-menopausal-women
#7
REVIEW
Anjali Manocha, L M Srivastava, Seema Bhargava
Lead exposure is increasingly becoming an important risk factor for osteoporosis. In adults, approximately 80-90 % of absorbed lead is stored in the bones. These bone lead deposits are released into the blood during periods of enhanced bone resorption like menopause, forming a potential endogenous source of lead exposure. Postmenopausal women are at a higher risk for bone lead release because of hormonal and age related changes in bone metabolism. Estrogen deficiency is associated with increase in osteoclasts number and activity leading to both the early and late form of osteoporosis...
July 2017: Indian Journal of Clinical Biochemistry: IJCB
https://www.readbyqxmd.com/read/28811527/atherosusceptible-shear-stress-activates-endoplasmic-reticulum-stress-to-promote-endothelial-inflammation
#8
Keith A Bailey, Fawaz G Haj, Scott I Simon, Anthony G Passerini
Atherosclerosis impacts arteries where disturbed blood flow renders the endothelium susceptible to inflammation. Cytokine activation of endothelial cells (EC) upregulates VCAM-1 receptors that target monocyte recruitment to atherosusceptible regions. Endoplasmic reticulum (ER) stress elicits EC dysregulation in metabolic syndrome. We hypothesized that ER plays a central role in mechanosensing of atherosusceptible shear stress (SS) by signaling enhanced inflammation. Aortic EC were stimulated with low-dose TNFα (0...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28811171/molecular-sensors-of-blood-flow-in-endothelial-cells
#9
REVIEW
Sara Baratchi, Khashayar Khoshmanesh, Owen L Woodman, Simon Potocnik, Karlheinz Peter, Peter McIntyre
Mechanical stress from blood flow has a significant effect on endothelial physiology, with a key role in initiating vasoregulatory signals. Disturbances in blood flow, such as in regions of disease-associated stenosis, arterial branch points, and sharp turns, can induce proatherogenic phenotypes in endothelial cells. The disruption of vascular homeostasis as a result of endothelial dysfunction may contribute to early and late stages of atherosclerosis, the underlying cause of coronary artery disease. In-depth knowledge of the mechanobiology of endothelial cells is essential to identifying mechanosensory complexes involved in the pathogenesis of atherosclerosis...
August 12, 2017: Trends in Molecular Medicine
https://www.readbyqxmd.com/read/28811128/a-newly-synthesized-ligustrazine-stilbene-derivative-inhibits-pdgf-bb-induced-vascular-smooth-muscle-cell-phenotypic-switch-and-proliferation-via-delaying-cell-cycle-progression
#10
Chunlian Peng, Siming Zhang, Haixin Liu, Yanxiao Jiao, Guifa Su, Yan Zhu
Vascular Smooth muscle cells (VSMCs) possess remarkable phenotype plasticity that allows it to rapidly adapt to fluctuating environmental cues, including the period of development and progression of vascular diseases such as atherosclerosis and restenosis subsequent to vein grafting or coronary intervention. Although VSMC phenotypic switch is an attractive target, there is no effective drug so far. Using rat aortic VSMCs, we investigate the effects of Ligustrazine and its synthetic derivatives on platelet-derived growth factor-BB (PDGF-BB) induced proliferation and phenotypic switch by a cell image-based screening of 60 Ligustrazine stilbene derivatives...
August 12, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28810857/new-onset-diabetes-in-adulthood-is-associated-with-a-substantial-risk-for-mortality-at-all-ages-a-population-based-historical-cohort-study-with-a-decade-long-follow-up
#11
Inbar Zucker, Tamy Shohat, Rachel Dankner, Gabriel Chodick
BACKGROUND: Diabetes has been reported to be associated with an increased relative risk for mortality, with estimates ranging from 1.1 to 2.1. Findings are inconsistent regarding modification of the risk by gender and by age. The aim of this study was to estimate the mortality risk associated with new-onset diabetes in adulthood, by age group and gender. METHODS: From the database of a large health care provider, we identified 31,987 individuals diagnosed with diabetes during 2003-2005; and 162,656 individuals without diabetes, group-matched by age...
August 15, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/28810641/allicin-improves-carotid-artery-intima-media-thickness-in-coronary-artery-disease-patients-with-hyperhomocysteinemia
#12
De-Shan Liu, Shu-Li Wang, Jun-Mei Li, Er-Shun Liang, Ming-Zhong Yan, Wei Gao
Homocysteine (Hcy) is an important and independent risk factor for atherosclerotic diseases, such as coronary artery disease and ischemic cerebrovascular disease. Increased carotid artery intima-media thickness (IMT) is a non-invasive marker of systemic atherosclerosis. Allicin treatment may decrease serum Hcy levels and improve impaired endothelial function in rats with hyperhomocysteinemia (HHcy). The present study hypothesized that allicin has an anti-atherosclerotic effect in coronary heart disease and tested the effects of allicin treatment on carotid artery IMT and plasma Hcy levels in coronary heart disease patients with HHcy...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28810593/carotid-atherosclerosis-promotes-the-progression-of-alzheimer-s-disease-a-three-year-prospective-study
#13
Jing Xiang
Although cerebrovascular diseases have been considered as risk factors for cognitive decline and dementia, the associations between atherosclerosis and Alzheimer's disease (AD) have not been fully examined and remain controversial. The aim of this three-year prospective study was to investigate whether arotid artery atherosclerosis accelerates cognitive impairment in AD patients. The association of carotid intimal medial thickness (IMT) with prospective trajectories of cognitive function was assessed among 521 patients with light to moderate AD, and 437 AD patients were followed up annually for 3 years...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28810126/combined-virtual-screening-and-substructure-search-for-discovery-of-novel-fabp4-inhibitors
#14
Haiyan Cai, Ting Wang, Zhuo Yang, Zhijian Xu, Guimin Wang, Heyao Wang, Weiliang Zhu, Kaixian Chen
Fatty acid-binding protein 4 (FABP4, AFABP) is a potential drug target for diabetes and atherosclerosis. In this study, a series of novel FABP4 inhibitors were discovered through combining virtual screening and substructure search. Seventeen compounds exhibited FABP4 inhibitory activities with IC50 <10 μM, among which eleven compounds showed high selectivity against FABP3. The best compound 36b displayed an IC50 value of 1.5 μM. Molecular docking and point mutation studies revealed that Gln95, Arg126 and Tyr128 play key roles for these compounds binding with FABP4...
August 15, 2017: Journal of Chemical Information and Modeling
https://www.readbyqxmd.com/read/28808885/the-association-of-epicardial-fat-volume-with-coronary-characteristics-and-clinical-outcome
#15
Kohichiro Iwasaki, Norio Urabe, Atsushi Kitagawa, Toshihiko Nagao
Recent studies have demonstrated the relationship between epicardial fat volume (EFV) and coronary atherosclerosis, but their association is modest at best. Our purpose is to elucidate the association of epicardial fat with coronary characteristics and clinical outcome. We performed coronary computed tomographic angiography in 651 patients and divided them into three groups according to tertiles of EFV; low-tertile (n = 215), 36-123 ml; middle-tertile (n = 218), 124-165 ml; high-tertile (n = 218), 166-489 ml...
August 14, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/28808861/epidemiology-of-sleep-disordered-breathing-and-heart-failure-what-drives-what
#16
REVIEW
Sushma M Dharia, Lee K Brown
PURPOSE OF REVIEW: The bidirectional relationships that have been demonstrated between heart failure (HF) and central sleep apnea (CSA) demand further exploration with respect to the implications that each condition has for the other. This review discusses the body of literature that has accumulated on these relationships and how CSA and its potential treatment may affect outcomes in patients with CSA. RECENT FINDINGS: Obstructive sleep apnea (OSA) can exacerbate hypertension, type 2 diabetes, obesity, and atherosclerosis, which are known predicates of HF...
August 14, 2017: Current Heart Failure Reports
https://www.readbyqxmd.com/read/28808571/the-combination-of-crp-isoforms-with-oxldl-decreases-tnf-%C3%AE-and-il-6-release-by-u937-derived-macrophages
#17
Imtissal Krayem, Samer Bazzi, Marc Karam
C-reactive protein (CRP) and oxidized low density lipoprotein (oxLDL) serve major roles at both early and advanced stages of atherosclerosis. CRP exists in two isoforms, monomeric (m) and pentameric (p), that bring about pro- or anti-inflammatory effects in macrophages. In addition, CRP may form a complex with oxidized low-density lipoprotein (oxLDL) via phosphatidylcholine, thus decreasing its pro-inflammatory effects within macrophages. The aim of the present study was to investigate the single and the combined effects of mCRP, pCRP and oxLDL on U937-derived macrophages...
September 2017: Biomedical Reports
https://www.readbyqxmd.com/read/28808419/exposure-to-concentrated-ambient-fine-particulate-matter-induces-vascular-endothelial-dysfunction-via-mir-21
#18
Jianwei Dai, Wensheng Chen, Yuyin Lin, Shiwen Wang, Xiaolan Guo, Qian-Qian Zhang
Vascular endothelial permeability transition does not cause significant lesions, but enhanced permeability may contribute to the development of vascular and other diseases, including atherosclerosis, hypertension, heart failure and cancer. Therefore, elucidating the effect of Particulate Matter 2.5 (PM2.5) on vascular endothelial permeability could help prevent disease that might be caused by PM2.5. Our previous study and the present one revealed that PM2.5 significantly increased the permeability of vascular endothelial cells and disrupted the barrier function of the vascular endothelium in Sprague Dawley (SD) rats...
2017: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/28808203/clinical-application-of-simultaneous-detection-of-cystatin-c-cathepsin-s-and-il-1-in-classification-of-coronary-artery-disease
#19
Ling Yan, Shuang Ding, Bing Gu, Ping Ma
Cystatin C, cathepsin S, and IL-1 are three important biomarkers of atherosclerosis. Previous studies emphasized the relationship between individual biomarkers in coronary artery disease (CAD) patients and severity of atherosclerostic lesions of the coronary arteries, while combined cystatin C, cathepsin S, and IL-1 have not been reported for clinical classification of CAD. We aimed to establish a link between cystatin C, cathepsin S, IL-1 and CAD in this cohort study. Totally 112 subjects were enrolled and divided into the stable angina pectoris group, the unstable angina pectoris group and the acute myocardial infarction (AMI) groups, and 50 healthy adults served as controls...
July 13, 2017: Journal of Biomedical Research
https://www.readbyqxmd.com/read/28808193/evaluation-of-atherosclerotic-lesions-in-cholesterol-fed-mice-during-treatment-with-paclitaxel-in-lipid-nanoparticles-a-magnetic-resonance-imaging-study
#20
Aline D Lima, Ning Hua, Raul C Maranhão, James A Hamilton
Cholesterol-core nanoparticles (LDE) have been shown to be recognized by low-density lipoprotein receptors (LDLR) after administration; therefore, LDE is an ideal vehicle to deliver drug with targeting property. Paclitaxel, when incorporated into LDE, promotes atherosclerosis regression with reduced drug toxicity in rabbits through LDLR. Here, we tested whether LDE-paclitaxel could still be effective in reducing diet-induced atherosclerosis in a mouse model without LDLR. Nineteen LDLR knockout male mice were fed 1% cholesterol for 12 weeks...
January 19, 2017: Journal of Biomedical Research
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