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https://www.readbyqxmd.com/read/27909694/2015-clinical-practice-guidelines-for-the-management-of-dyslipidemia-in-the-philippines-executive-summary-dyslipidemia-guidelines-2015
#1
Adriel E Guerrero
The Philippine Heart Association, the Philippine Lipid and Atherosclerosis Society, and the Philippine Society of Endocrinology, Diabetes, and Metabolism, collaborated to develop the 2015 Clinical Practice Guidelines for the Management of Dyslipidemia in the Philippines (2015 CPG). These guidelines are meant to update the 2005 Clinical Practice Guidelines on the Management of Dyslipidemia in the Philippines (2005 CPG). A panel of experts in the fields of dyslipidemia, cardiology, endocrinology and epidemiology were assembled to comprise the technical research committee (TRC) tasked to review available clinical evidence on dyslipidemia management...
October 2016: ASEAN Heart Journal: Official Journal of the ASEAN Federation of Cardiology
https://www.readbyqxmd.com/read/27909053/endoplasmic-reticulum-stress-and-ca2-depletion-differentially-modulate-the-sterol-regulatory-protein-pcsk9-to-control-lipid-metabolism
#2
Paul Lebeau, Ali Al-Hashimi, Sudesh Sood, Sarka Lhotak, Pei Yu, Gabriel Gyulay, Guillaume Pare, S R Wayne Chen, Bernardo Trigatti, Annik Prat, Nabil Seidah, Richard C Austin
Accumulating evidence implicates endoplasmic reticulum (ER) stress as a mediator of impaired lipid metabolism, thereby contributing to fatty liver disease and atherosclerosis. Previous studies demonstrated that ER stress can activate the sterol regulatory element-binding protein-2 (SREBP2), an ER localized transcription factor that directly upregulates sterol-regulatory genes, including PCSK9. Given that PCSK9 contributes to atherosclerosis by targeting low-density lipoprotein (LDL) receptor (LDLR) degradation, our present study investigates a novel mechanism by which ER stress plays a role in lipid metabolism by examining its ability to modulate PCSK9 expression...
December 1, 2016: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/27905947/fibroblast-growth-factor-21-potentially-inhibits-microrna-33-expression-to-affect-macrophage-actions
#3
EDITORIAL
Yuan Guo, Fei Luo, Yuhong Yi, Danyan Xu
Atherosclerosis is a chronic inflammatory disease with complex pathological processes. MicroRNA-33 (miR-33), a novel non-coding RNA that coexpresses with sterol regulatory element-binding proteins (SREBPs), affects macrophage actions to prevent atherosclerosis. Fibroblast growth factor 21 (FGF21) is an important regulator of lipid metabolism, especially for macrophage-related cholesterol export, but the mechanism is not fully studied. Interestingly, FGF21 has been evidenced to prevent atherosclerosis via inhibiting SREBP-2 expression...
December 1, 2016: Lipids in Health and Disease
https://www.readbyqxmd.com/read/27905479/role-of-gut-microbiota-in-atherosclerosis
#4
REVIEW
Annika Lindskog Jonsson, Fredrik Bäckhed
Infections have been linked to the development of cardiovascular disease and atherosclerosis. Findings from the past decade have identified microbial ecosystems residing in different habitats of the human body that contribute to metabolic and cardiovascular-related disorders. In this Review, we describe three pathways by which microbiota might affect atherogenesis. First, local or distant infections might cause a harmful inflammatory response that aggravates plaque development or triggers plaque rupture. Second, metabolism of cholesterol and lipids by gut microbiota can affect the development of atherosclerotic plaques...
December 1, 2016: Nature Reviews. Cardiology
https://www.readbyqxmd.com/read/27896567/foxo1-and-lxr%C3%AE-downregulate-the-apolipoprotein-a-i-gene-expression-during-hydrogen-peroxide-induced-oxidative-stress-in-hepg2-cells
#5
Vladimir S Shavva, Alexandra M Bogomolova, Artemy A Nikitin, Ella B Dizhe, Galina N Oleinikova, Ivan A Lapikov, Dmitry A Tanyanskiy, Andrej P Perevozchikov, Sergey V Orlov
Reactive oxygen species damage various cell components including DNA, proteins, and lipids, and these impairments could be a reason for severe human diseases including atherosclerosis. Forkhead box O1 (FOXO1), an important metabolic transcription factor, upregulates antioxidant and proapoptotic genes during oxidative stress. Apolipoprotein A-I (ApoA-I) forms high density lipoprotein (HDL) particles that are responsible for cholesterol transfer from peripheral tissues to liver for removal in bile in vertebrates...
November 28, 2016: Cell Stress & Chaperones
https://www.readbyqxmd.com/read/27894808/protective-effect-of-betulinic-acid-on-early-atherosclerosis-in-diabetic-apolipoprotein-e-gene-knockout-mice
#6
Jung Joo Yoon, Yun Jung Lee, Byung Hyuk Han, Eun Sik Choi, Min Chul Kho, Ji Hun Park, You Mee Ahn, Hye Yoom Kim, Dae Gill Kang, Ho Sub Lee
Atherosclerosis, a chronic and progressive disease, is a leading cause of endothelial dysfunction, diabetes mellitus, hypertension, and hypercholesterolemia. Betulinic acid (BA), a pentacyclic triterpene, has been reported to have a variety of biological effects, including anti-inflammatory and immunomodulatory properties. This study was designed to determine whether BA could prevent atherosclerosis in diabetic apolipoprotein-E gene knockout (ApoE KO) mice. The mice were treated with BA for 12 weeks to examine its beneficial effects on atherosclerosis in ApoE KO mice...
November 25, 2016: European Journal of Pharmacology
https://www.readbyqxmd.com/read/27881422/association-of-cholesterol-efflux-capacity-with-clinical-features-of-metabolic-syndrome-relevance-to-atherosclerosis
#7
Julie Gall, Eric Frisdal, Randa Bittar, Wilfried Le Goff, Eric Bruckert, Philippe Lesnik, Maryse Guerin, Philippe Giral
BACKGROUND: The contribution of high-density lipoprotein to cardiovascular benefit is closely linked to its role in the cellular cholesterol efflux process; however, various clinical and biochemical variables are known to modulate the overall cholesterol efflux process. The aim of this study was to evaluate the extent to which clinical and biological anomalies associated with the establishment of the metabolic syndrome modulate cholesterol efflux capacity and contribute to development of atherosclerosis...
November 23, 2016: Journal of the American Heart Association
https://www.readbyqxmd.com/read/27870891/oxldl-and-eldl-induced-membrane-microdomains-in-human-macrophages
#8
Stefan Wallner, Margot Grandl, Gerhard Liebisch, Markus Peer, Evelyn Orsó, Alexander Sigrüner, Andrzej Sobota, Gerd Schmitz
BACKGROUND: Extravasation of macrophages and formation of lipid-laden foam cells are key events in the development and progression of atherosclerosis. The degradation of atherogenic lipoproteins subsequently leads to alterations in cellular lipid metabolism that influence inflammatory signaling. Especially sphingolipids and ceramides are known to be involved in these processes. We therefore analyzed monocyte derived macrophages during differentiation and after loading with enzymatically (eLDL) and oxidatively (oxLDL) modified low-density lipoproteins (LDL)...
2016: PloS One
https://www.readbyqxmd.com/read/27870652/fatty-acid-metabolism-in-macrophages-a-target-in-cardio-metabolic-diseases
#9
Louise Ménégaut, Charles Thomas, Laurent Lagrost, David Masson
PURPOSE OF REVIEW: Recent studies have highlighted that macrophages dynamically and autonomously handle all the facets of fatty acid (FA) metabolism including FA oxidation and FA synthesis as well as the synthesis of monounsaturated FAs and long chain n-3 and n-6 polyunsaturated FAs. RECENT FINDINGS: Macrophage M2 polarization is associated with an increase of FA oxidation. However, whether increased FA oxidation simply correlates with or is required for M2 polarization needs to be further evaluated...
November 18, 2016: Current Opinion in Lipidology
https://www.readbyqxmd.com/read/27826954/critical-and-diverse-in-vivo-roles-of-apoptosis-signal-regulating-kinase-1-in-animal-models-of-atherosclerosis-and-cholestatic-liver-injury
#10
REVIEW
Sohsuke Yamada, Hirotsugu Noguchi, Akihide Tanimoto
Apoptosis plays pivotal in vivo roles in not only vital processes, such as cell turnover and embryonic development, but also various inflammatory disorders. However, the role of apoptosis by vascular and hepatic cells in the respective progression of atherosclerosis and liver injury remains controversial. Apoptosis signal-regulating kinase 1 (ASK1) is a mitogen-activated protein kinase kinase kinase family member that is activated through distinct mechanisms in response to various cytotoxic stressors. ASK1, ubiquitously expressed, is situated in an important upstream position for many signal transduction pathways, which subsequently induce inflammation and/or apoptosis...
November 9, 2016: Histology and Histopathology
https://www.readbyqxmd.com/read/27821063/high-fat-diet-induced-atherosclerosis-is-accompanied-with-low-colonic-bacterial-diversity-and-altered-abundances-that-correlates-with-plaque-size-plasma-a-fabp-and-cholesterol-a-pilot-study-of-high-fat-diet-and-its-intervention-with-lactobacillus-rhamnosus
#11
Yee Kwan Chan, Manreetpal Singh Brar, Pirkka V Kirjavainen, Yan Chen, Jiao Peng, Daxu Li, Frederick Chi-Ching Leung, Hani El-Nezami
BACKGROUND: Atherosclerosis appears to have multifactorial causes - microbial component like lipopolysaccharides (LPS) and other pathogen associated molecular patterns may be plausible factors. The gut microbiota is an ample source of such stimulants, and its dependent metabolites and altered gut metagenome has been an established link to atherosclerosis. In this exploratory pilot study, we aimed to elucidate whether microbial intervention with probiotics L. rhamnosus GG (LGG) or pharmaceuticals telmisartan (TLM) could improve atherosclerosis in a gut microbiota associated manner...
November 8, 2016: BMC Microbiology
https://www.readbyqxmd.com/read/27818938/modulation-of-ambient-temperature-promotes-inflammation-and-initiates-atherosclerosis-in-wild-type-c57bl-6-mice
#12
Daniel A Giles, Bhama Ramkhelawon, Elizabeth M Donelan, Traci E Stankiewicz, Susan B Hutchison, Rajib Mukherjee, Monica Cappelletti, Rebekah Karns, Christopher L Karp, Kathryn J Moore, Senad Divanovic
OBJECTIVES: Obesity and obesity-associated inflammation is central to a variety of end-organ sequelae including atherosclerosis, a leading cause of death worldwide. Although mouse models have provided important insights into the immunopathogenesis of various diseases, modeling atherosclerosis in mice has proven difficult. Specifically, wild-type (WT) mice are resistant to developing atherosclerosis, while commonly used genetically modified mouse models of atherosclerosis are poor mimics of human disease...
November 2016: Molecular Metabolism
https://www.readbyqxmd.com/read/27815075/gly-14-humanin-inhibits-ox-ldl-uptake-and-stimulates-cholesterol-efflux-in-macrophage-derived-foam-cells
#13
Wa-Wa Zhu, Shu-Rong Wang, Zhi-Hua Liu, Yong-Jun Cao, Fen Wang, Jing Wang, Chun-Feng Liu, Ying Xie, Yan-Lin Zhang
Foam cell formation, which is caused by imbalanced cholesterol influx and efflux by macrophages, plays a vital role in the occurrence and development of atherosclerosis. Humanin (HN), a mitochondria-derived peptide, can prevent the production of reactive oxygen species and death of human aortic endothelial cells exposed to oxidized low-density lipoprotein (ox-LDL) and has a protective effect on patients with in early atherosclerosis. However, the effects of HN on the regulation of cholesterol metabolism in RAW 264...
November 1, 2016: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/27813192/naltrexone-changes-the-expression-of-lipid-metabolism-related-proteins-in-the-endoplasmic-reticulum-er-stress-induced-hepatic-steatosis-in-mice
#14
Azam Moslehi, Fatemeh Nabavizadeh, Ali Zekri, Fatemeh Amiri
Endoplasmic reticulum (ER) stress is closely associated with several chronic diseases such as obesity, atherosclerosis, type 2 diabetes, and hepatic steatosis. Steatosis in hepatocytes may also lead to disorders such as non-alcoholic fatty liver disease (NAFLD) and non-alcoholic steatohepatitis (NASH), fibrosis, and possibly cirrhosis. Opioid peptides are involved in triglyceride and cholesterol dysregulation. Naltrexone also attenuates ER stress induced hepatic steatosis in mice. In this study, we evaluated the effects of naltrexone on the expression of lipid metabolism-related nuclear factors and enzymes in the ER stress induced hepatic steatosis...
November 4, 2016: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/27799810/novel-treatment-options-for-lysosomal-acid-lipase-deficiency-critical-appraisal-of-sebelipase-alfa
#15
REVIEW
Kim Su, Emma Donaldson, Reena Sharma
Lysosomal acid lipase deficiency (LAL-D) is a rare disorder of cholesterol metabolism with an autosomal recessive mode of inheritance. The absence or deficiency of the LAL enzyme gives rise to pathological accumulation of cholesterol esters in various tissues. A severe LAL-D phenotype manifesting in infancy is associated with adrenal calcification and liver and gastrointestinal involvement with characteristic early mortality. LAL-D presenting in childhood and adulthood is associated with hepatomegaly, liver fibrosis, cirrhosis, and premature atherosclerosis...
2016: Application of Clinical Genetics
https://www.readbyqxmd.com/read/27791990/a-meta-analytic-evaluation-of-cholesteryl-ester-transfer-protein-cetp-c-629a-polymorphism-in-association-with-coronary-heart-disease-risk-and-lipid-changes
#16
Shouwei Lin, Ruozhu Dai, Rong Lin
Lipid metabolism plays an essential role in the pathogenesis of atherosclerosis, a major cause for coronary heart disease (CHD). Cholesteryl ester transfer protein (CETP) is an important glycoprotein involved in lipid metabolism by transferring cholesteryl esters to apolipoprotein B-containing lipoproteins in exchange for triglycerides. The objective of this meta-analysis was to evaluate the association of CETP C-629A polymorphism with CHD risk and lipid changes. Four public databases were searched, and data from 17 qualified articles were extracted in duplicate and analyzed by STATA software...
October 25, 2016: Oncotarget
https://www.readbyqxmd.com/read/27776344/baicalein-protects-against-oxldl-caused-oxidative-stress-and-inflammation-by-modulation-of-ampk-alpha
#17
Kun-Ling Tsai, Ching-Hsia Hung, Shih-Hung Chan, Jhih-Yuan Shih, Yung-Hsin Cheng, Yi-Ju Tsai, Huei-Chen Lin, Pei-Ming Chu
Atherosclerosis is considered to be a form of chronic inflammation and a disorder of lipid metabolism. Oxidative transformations in the lipid and apolipoprotein B (Apo B) constituent of low density lipoprotein drive the initial step in atherogenesis due to macrophage scavenger receptors identify oxidized LDL (oxLDL) but non-oxidized LDL. The human vascular endothelial cells fact a critical role in vasodilation, provides a nonadhesive surface for circulation, reduces vascular smooth muscle proliferation, inflammation, thrombus formation and platelet aggregation...
October 20, 2016: Oncotarget
https://www.readbyqxmd.com/read/27774064/sr-bi-linking-cholesterol-and-lipoprotein-metabolism-with-breast-and-prostate-cancer
#18
Jorge L Gutierrez-Pajares, Céline Ben Hassen, Stéphan Chevalier, Philippe G Frank
Studies have demonstrated the significant role of cholesterol and lipoprotein metabolism in the progression of cancer. The SCARB1 gene encodes the scavenger receptor class B type I (SR-BI), which is an 82-kDa glycoprotein with two transmembrane domains separated by a large extracellular loop. SR-BI plays an important role in the regulation of cholesterol exchange between cells and high-density lipoproteins. Accordingly, hepatic SR-BI has been shown to play an essential role in the regulation of the reverse cholesterol transport pathway, which promotes the removal and excretion of excess body cholesterol...
2016: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/27769814/bile-acid-synthesis-precursors-in-subjects-with-genetic-hypercholesterolemia-negative-for-ldlr-apob-pcsk9-apoe-mutations-association-with-lipids-and-carotid-atherosclerosis
#19
L Baila-Rueda, A Cenarro, I Lamiquiz-Moneo, R Mateo-Gallego, A M Bea-Sanz, S Perez-Calahorra, V Marco-Benedi, F Civeira
Some oxysterols are precursors of bile acid synthesis and play an important role in cholesterol homeostasis. However, if they are involved in the pathogeny of genetic hypercholesterolemia has not been previously explored. We have studied non-cholesterol sterol markers of cholesterol synthesis (lanosterol and desmosterol) and oxysterols (7α-hydroxy-4-cholesten-3-one, 24S-hydroxycholesterol and 27-hydroxycholesterol) in 200 affected subjects with primary hypercholesterolemia of genetic origin, negative for mutations in LDLR, APOB, PCSK9 and APOE genes (non-FH GH) and 100 normolipemic controls...
October 18, 2016: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/27754291/br-08-3-management-of-dyslipidemia-in-hypertension
#20
V V Muthusamy
Cardiovascular disease burden is increasing all over the world. The diagnosis of hypertension is considered when a person has persistently elevated BP (Systolic BP more than 140 mmHg and/or Diastolic BP more than 90 mmHg). Dyslipidemia denotes abnormal levels of lipids in the blood (Total Cholesterol >200 mg%, Low density lipoprotein (LDL) >100 mg%, Triglycerides (TGL) >150 mg% and High density lipoprotein (HDL) <40 mg in men and < 50 mg in women. Hypertension and Dyslipidemia constitute the important components of metabolic syndrome as per the definition of NCEP Guidelines-Adult Treatment Panel III (ATP III)...
September 2016: Journal of Hypertension
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