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Genes protecting from atherosclerosis

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https://www.readbyqxmd.com/read/29122817/apo-a-i-apolipoprotein-a-i-vascular-gene-therapy-provides-durable-protection-against-atherosclerosis-in-hyperlipidemic-rabbits
#1
Bradley K Wacker, Nagadhara Dronadula, Lianxiang Bi, Alexis Stamatikos, David A Dichek
OBJECTIVE: Gene therapy that expresses apo A-I (apolipoprotein A-I) from vascular wall cells has promise for preventing and reversing atherosclerosis. Previously, we reported that transduction of carotid artery endothelial cells with a helper-dependent adenoviral (HDAd) vector expressing apo A-I reduced early (4 weeks) fatty streak development in fat-fed rabbits. Here, we tested whether the same HDAd could provide long-term protection against development of more complex lesions. APPROACH AND RESULTS: Fat-fed rabbits (n=25) underwent bilateral carotid artery gene transfer, with their left and right common carotids randomized to receive either a control vector (HDAdNull) or an apo A-I-expressing vector (HDAdApoAI)...
November 9, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/29118461/relationship-between-rs854560-pon1-gene-polymorphism-and-tobacco-smoking-with-coronary-artery-disease
#2
Joanna Iwanicka, Tomasz Iwanicki, Paweł Niemiec, Tomasz Nowak, Jolanta Krauze, Władysław Grzeszczak, Sylwia Górczyńska-Kosiorz, Anna Ochalska-Tyka, Iwona Żak
Paraoxonase-1 (PON1) is the antioxidant marker of high-density lipoproteins protecting against atherosclerosis and coronary artery disease (CAD) phenotype. The purpose of the present study was to determine whether the PON1 gene rs854560 polymorphism (163T>A) is associated with CAD in Polish population. rs854560 was genotyped in 494 subjects: 248 patients with premature CAD and 246 blood donors as a control. We found that the risk of CAD was significantly higher in TT homozygotes than in A allele carriers (OR = 1...
2017: Disease Markers
https://www.readbyqxmd.com/read/29115493/mir-92a-regulates-the-expression-levels-of-matrix-metalloproteinase-9-and-tissue-inhibitor-of-metalloproteinase-3-via-sirtuin-1-signaling-in-hydrogen-peroxide-induced-vascular-smooth-muscle-cells
#3
Peng Liu, Jianfang Su, Xixi Song, Shixiao Wang
Vascular smooth muscle cells (VSMCs) exhibit a notably increased rate of migration, which is one of the most common pathological changes in atherosclerosis. Investigations into the role of micro (mi)RNAs in the regulation of VSMC migration are beginning to emerge and additional miRNAs involved in VSMC migration modulation require identification. In the current study, VSMCs were primarily cultured from rat thoracic aortas, transfected with miR‑92a mimics and induced by hydrogen peroxide (H2O2) for 24 h. Total mRNA and protein were collected for quantitative polymerase chain reaction and western blot analysis...
November 2, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29103206/novel-approaches-for-hdl-directed-therapies
#4
REVIEW
Jacques Genest, Hong Y Choi
PURPOSE OF REVIEW: High-density lipoproteins (HDL) are thought to exert a protective role against atherosclerosis. The measurement of the cholesterol mass within HDL (HDL-C) represents a good biomarker of cardiovascular health, but HDL-C appears to be a poor therapeutic target. Here, we discuss new targets for the development of HDL-directed therapies. RECENT FINDINGS: Among cardio-protective functions of HDL particles, the ability of HDL to remove cholesterol from cells involved in the early stages of atherosclerosis is considered one of the most important functions...
November 4, 2017: Current Atherosclerosis Reports
https://www.readbyqxmd.com/read/29031063/anticancer-properties-of-4-thiazolidinone-derivatives-depend-on-peroxisome-proliferator-activated-receptor-gamma-ppar%C3%AE
#5
Konrad A Szychowski, Marcin L Leja, Danylo V Kaminskyy, Anna P Kryshchyshyn, Urszula E Binduga, Oleh R Pinyazhko, Roman B Lesyk, Jakub Tobiasz, Jan Gmiński
Peroxisome proliferator-activated receptors (PPARs) play an important role in numerous chronic diseases such as diabetes, obesity, atherosclerosis and cancer, and PPAR modulators are among the approved drugs and drug-candidates for their treatment. The aim of this study was to elucidate the involvement of PPARs in the mechanism of cytotoxic and pro-apoptotic action of novel anticancer 4-thiazolidinone derivatives (Les-2194, Les-3377, Les-3640) and approved 4-thiazolidinones (Rosiglitazone, Pioglitazone) towards the human squamous carcinoma (SCC-15) cell line...
December 1, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28970059/structural-requirements-of-flavonoids-to-induce-heme-oxygenase-1-expression
#6
K D Croft, D Zhang, R Jiang, A Ayer, S Shengule, R J Payne, N C Ward, R Stocker
Population studies suggest cardiovascular health benefits of consuming fruits and vegetables rich in polyphenolic compounds such as flavonoids. We reported previously that the flavonoid quercetin protects arteries from oxidant-induced endothelial dysfunction and attenuates atherosclerosis in apolipoprotein E gene knockout mice, with induction of heme oxygenase-1 (Hmox1) playing a critical role. The present study investigated the structural requirements of flavonoids to induce Hmox1 in human aortic endothelial cells (HAEC)...
September 29, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28936833/-mechanism-of-salvianolate-injection-combined-with-aspirin-in-treatment-of-stable-angina-pectoris-based-on-biomolecules-network
#7
Yuan Li, Lian-Xin Wang, Yan-Ming Xie
Biomolecular network analysis was used to predict the mechanism of Salvianolate injection combined with aspirin for the treatment of stable angina pectoris(SAP). Related genes of Salvianolate injection, aspirin and SAP were obtained from Genecards, STITCH and DisGeNET databases. Agilent literature search software was used to construct biomolecular network; modules were identified by AP, MCODE and MCL methods. DAVID software was used for identification of related KEGG pathways. Results showed that Salvianolate injection and aspirin had a coverage rate of 45...
December 2016: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28855976/antioxidant-effects-of-a-hydroxytyrosol-based-pharmaceutical-formulation-on-body-composition-metabolic-state-and-gene-expression-a-randomized-double-blinded-placebo-controlled-crossover-trial
#8
Carmela Colica, Laura Di Renzo, Domenico Trombetta, Antonella Smeriglio, Sergio Bernardini, Giorgia Cioccoloni, Renata Costa de Miranda, Paola Gualtieri, Paola Sinibaldi Salimei, Antonino De Lorenzo
Hydroxytyrosol (HT) plays a significant role in cardiovascular disease (CVD) protection, and its metabolites are able to protect from the endothelial dysfunction commonly present in atherosclerosis. This randomized double-blinded, placebo-controlled crossover trial determined the effect in healthy volunteers of two gastroresistant capsules containing 15 mg/day of HT, for a 3-week period (HTT). Evaluation of nutritional status, serum metabolites, oxidative stress biomarkers, and gene expression of 9 genes related to oxidative stress, inflammation, and CVDs was performed...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28855256/from-masochistic-enzymology-to-mechanistic-physiology-and-disease
#9
Dennis E Vance
The pioneering work of Eugene Kennedy in the 1950s established the choline pathway for phosphatidylcholine (PC) biosynthesis. However, the regulation of PC biosynthesis was poorly understood at that time. When I started my lab at the University of British Columbia in the 1970s, this was the focus of my research. This article provides my reflections on these studies that began with enzymology and the use of cultured mammalian cells, and progressed to utilize the techniques of molecular biology and gene-targeted mice...
October 20, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28812326/effect-of-dietary-components-from-antarctic-krill-on-atherosclerosis-in-apoe-deficient-mice
#10
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/28782906/differentiation-of-human-dental-pulp-stem-cells-into-neuronal-by-resveratrol
#11
Ya-Wei Geng, Zhen Zhang, Ming-Yue Liu, Wei-Ping Hu
Dental pulp stem cells (DPSCs) have been proposed as a promising source of stem cells in nerve regeneration due to their close embryonic origin and ease of harvest. Resveratrol (RSV) is a natural polyphenolic and possesses many biological functions such as anti-inflammatory activity and protection against atherosclerosis and neuroprotective activities. There is increasing evidence showing that RSV plays a pivotal role in neuron protection and neuronal differentiation. In this study, we isolated DPSCs from impacted third molars and investigated whether RSV induces neuronal differentiation of DPSCs...
August 7, 2017: Cell Biology International
https://www.readbyqxmd.com/read/28771708/metabolic-profiling-of-murine-plasma-reveals-eicosapentaenoic-acid-metabolites-protecting-against-endothelial-activation-and-atherosclerosis
#12
Yajin Liu, Xuan Fang, Xu Zhang, Jing Huang, Jinlong He, Liyuan Peng, Chenji Ye, Yingmei Wang, Fengxia Xue, Ding Ai, Dan Li, Yi Zhu
BACKGROUND AND PURPOSE: Atherosclerosis results from a maladaptive inflammatory response initiated by the intramural retention of LDL in susceptible areas of the arterial vasculature. ω-3 polyunsaturated fatty acids (ω-3) have protective effects in atherosclerosis; however, the molecular mechanism is still largely unknown. The present study used a metabolomic approach to reveal the atheroprotective metabolites of ω-3 and investigate the underlying mechanisms. EXPERIMENTAL APPROACH: We evaluated the development of atherosclerosis in LDL-receptor-deficient mice (LDLR(-/-) ) fed a Western-type diet (WTD) plus ω-3 and also LDLR(-/-) and fat-1 transgenic (LDLR(-/-) -fat-1(tg) ) mice fed a WTD...
August 3, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28761062/t2diacod-a-gene-atlas-of-type-2-diabetes-mellitus-associated-complex-disorders
#13
Jyoti Rani, Inna Mittal, Atreyi Pramanik, Namita Singh, Namita Dube, Smriti Sharma, Bhanwar Lal Puniya, Muthukurussi Varieth Raghunandanan, Ahmed Mobeen, Srinivasan Ramachandran
We performed integrative analysis of genes associated with type 2 Diabetes Mellitus (T2DM) associated complications by automated text mining with manual curation and also gene expression analysis from Gene Expression Omnibus. They were analysed for pathogenic or protective role, trends, interaction with risk factors, Gene Ontology enrichment and tissue wise differential expression. The database T2DiACoD houses 650 genes, and 34 microRNAs associated with T2DM complications. Seven genes AGER, TNFRSF11B, CRK, PON1, ADIPOQ, CRP and NOS3 are associated with all 5 complications...
July 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28734077/integrative-studies-implicate-matrix-metalloproteinase-12-as-a-culprit-gene-for-large-artery-atherosclerotic-stroke
#14
H Mahdessian, L Perisic Matic, M Lengquist, K Gertow, B Sennblad, D Baldassarre, F Veglia, S E Humphries, R Rauramaa, U de Faire, A J Smit, P Giral, S Kurl, E Mannarino, E Tremoli, A Hamsten, P Eriksson, U Hedin, A Mälarstig
BACKGROUND: Ischaemic stroke and coronary heart disease are important contributors to the global disease burden and share atherosclerosis as the main underlying cause. Recent evidence from a genome-wide association study (GWAS) suggested that single nucleotide polymorphisms (SNP) near the MMP12 gene at chromosome 11q22.3 were associated with large-vessel ischaemic stroke. Here, we evaluated and extended these results by examining the relationship between MMP12 and atherosclerosis in clinical and experimental studies...
November 2017: Journal of Internal Medicine
https://www.readbyqxmd.com/read/28642237/mediator-1-is-atherosclerosis-protective-by-regulating-macrophage-polarization
#15
Liang Bai, Zhao Li, Qianwei Li, Hua Guan, Sihai Zhao, Ruihan Liu, Rong Wang, Jin Zhang, Yuzhi Jia, Jianglin Fan, Nanping Wang, Janardan K Reddy, John Y-J Shyy, Enqi Liu
OBJECTIVE: MED1 (mediator 1) interacts with transcription factors to regulate transcriptional machinery. The role of MED1 in macrophage biology and the relevant disease state remains to be investigated. APPROACH AND RESULTS: To study the molecular mechanism by which MED1 regulates the M1/M2 phenotype switch of macrophage and the effect on atherosclerosis, we generated MED1/apolipoprotein E (ApoE) double-deficient (MED1(ΔMac)/ApoE(-)(/-)) mice and found that atherosclerosis was greater in MED1(ΔMac)/ApoE(-/-) mice than in MED1(fl/fl)/ApoE(-/-) littermates...
August 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28603781/genome-wide-association-studies-candidate-gene-to-dual-modifier-of-nonalcoholic-steatohepatitis-and-atherosclerosis
#16
Clint L Miller, Nicholas J Leeper
Non-alcoholic steatohepatitis (NASH) is a common disease involving chronic accumulation of fat and inflammation in the liver, often leading to advanced fibrosis, cirrhosis and cancer. It is known that NASH shares many features with atherosclerosis, however, there are still no effective therapeutics. In a recent study published in Nature, investigators demonstrate that mice lacking a high-density lipoprotein (HDL)-associated gene were surprisingly protected from both steatohepatitis and atherosclerosis through the stabilization of the liver X receptor (LXR)...
December 2016: JACC. Basic to Translational Science
https://www.readbyqxmd.com/read/28601639/tofacitinib-ameliorates-atherosclerosis-and-reduces-foam-cell-formation-in-apoe-deficient-mice
#17
Zaicun Wang, Shumei Wang, Zunzhe Wang, Tiantian Yun, Chenchen Wang, Huating Wang
Atherosclerosis is a chronic inflammatory cardiovascular disease with high mortality worldwide. Tofacitinib (CP-690,550), an oral small-molecule Janus kinase inhibitor, has been shown to be effective in the treatment of rheumatoid arthritis, autoimmune encephalomyelitis and ulcerative colitis. However, its protective effect against atherosclerosis remains poorly understood. The aim of the present study was to evaluate the effects of Tofacitinib on atherogenic diet (ATD)-induced atherosclerosis using apolipoprotein E deficient (apoE-/-) mice...
August 19, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28576445/interactions-between-inflammatory-gene-polymorphisms-and-htlv-i-infection-for-total-death-incidence-of-cancer-and-atherosclerosis-related-diseases-among-the-japanese-population
#18
Tara Sefanya Kairupan, Rie Ibusuki, Motahare Kheradmand, Yasuko Sagara, Eva Mariane Mantjoro, Yora Nindita, Hideshi Niimura, Kazuyo Kuwabara, Shin Ogawa, Noriko Tsumematsu-Nakahata, Yasuhito Nerome, Tetsuhiro Owaki, Toshifumi Matsushita, Shigeho Maenohara, Kazunari Yamaguchi, Toshiro Takezaki
BACKGROUND: An increased risk of total death owing to human T-lymphotropic virus type-I (HTLV-I) infection has been reported. However, its etiology and protective factors are unclear. Various studies reported fluctuations in immune-inflammatory status among HTLV-I carriers. We conducted a matched cohort study among the general population in an HTLV-I-endemic region of Japan to investigate the interaction between inflammatory gene polymorphisms and HTLV-I infection for total death, incidence of cancer, and atherosclerosis-related diseases...
September 2017: Journal of Epidemiology
https://www.readbyqxmd.com/read/28555959/design-of-the-magnetic-resonance-imaging-evaluation-of-mineralocorticoid-receptor-antagonism-in-diabetic-atherosclerosis-magma-trial
#19
Sanjay Rajagopalan, M Amer Alaiti, Kylene Broadwater, Aditya Goud, Juan Gaztanaga, Kim Connelly, Anas Fares, Shayan Shirazian, Catherine Kreatsoulas, Michael Farkouh, Mirela Dobre, Jeffrey C Fink, Matthew R Weir
Mineralocorticoid receptor (MR) activation plays an essential role in promoting inflammation, fibrosis, and target organ damage. Currently, no studies are investigating MR antagonism in patients with type 2 diabetes mellitus (T2DM) with chronic kidney disease, at high risk for cardiovascular complications, who are otherwise not candidates for MR antagonism by virtue of heart failure. Further, there is limited information on candidate therapies that may demonstrate differential benefit from this therapy. We hypothesized that MR antagonism may provide additional protection from atherosclerosis progression in higher-risk patients who otherwise may not be candidates for such a therapeutic approach...
September 2017: Clinical Cardiology
https://www.readbyqxmd.com/read/28548478/influencing-of-antioxidants-gene-variants-on-risk-of-diabetes-mellitus-and-its-complications-a-systematic-review
#20
Fatemeh Bitarafan, Mehrnoosh Khodaeian, Ozra Tabatabaei-Malazy, Mahsa M Amoli
INTRODUCTION: Oxidative stress has a key role in pathophysiology of type 2 diabetes mellitus (T2DM) and its complications as a most common health problem. Due to controversial evidence regarding the association between antioxidants' gene varients and T2DM, our aim was a systematic review of the current meta-analyses. EVIDENCE ACQUISTION: All meta-analysis' studies which assessed the association of single nucleotide polymorphisms of superoxide dismutase (SOD), catalase, glutathione peroxidase (GPX), glutathione S transferase (GST), nitric oxide synthase (NOS) and nicotinamide adenine dinucleotide phosphate oxidase (NOX) with T2DM and its complications were systematically extracted from PubMed, Scopus and Web of Science databases up to January 2016...
May 26, 2017: Minerva Endocrinologica
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