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Genes protecting from atherosclerosis

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https://www.readbyqxmd.com/read/29313574/a-study-of-genetic-markers-in-patients-of-rheumatoid-arthritis-and-their-co-relation-with-severity-of-the-disease
#1
Gauri Liyakat Ali, Suman Kapur, Sai Chinmayi, Qadir Fatima, Harshal Pise, Asim Khan, Ambreen Liyakat, V Jilova, Urvashi Dube
Introduction: Dyslipidemia has been reported to attribute to early death due to increased atherosclerosis leading to CVDs in patients with RA. Recent reports have suggested a role of adipocytokines in mediating joint damage rheumatoid arthritis (RA). RA has long been associated with increased cardiovascular risk as atherosclerosis is more prevalent in patients of RA than in the general population. Specific alleles of APOE gene have been reported to be associated with risk for atherosclerosis and LEP gene alleles have been associated with increased BMI...
September 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/29273831/synergism-between-apolipoprotein-e-%C3%A6-4-allele-and-paraoxonase-pon1-55-m-allele-is-associated-with-risk-of-systemic-lupus-erythematosus
#2
Maryam Tanhapour, Ali Miri, Asad Vaisi-Raygani, Fariborz Bahrehmand, Amir Kiani, Zohreh Rahimi, Tayebeh Pourmotabbed, Ebrahim Shakiba
Evidences indicate that abnormal lipid metabolism and lipid peroxidation can affect the progression of complications in systemic lupus erythematosus (SLE) patients. Apolipoprotein E (ApoE) and paraoxonase-1 (PON1) play important role in lipid metabolism and protection of lipid peroxidation. The polymorphisms of ApoE and paraoxonase (PON1) L55M (Met < Leu) allele genes lead to disorders in lipid metabolism and are related to atherosclerosis. This study is the first investigation to examine the possible association between ApoE and PON1-L55M polymorphisms and correlation with serum arylesterase (ARE) activities of PON, levels of malondialdehyde (MDA), neopterin, and lipid lipoprotein in SLE patients from Iranian western population...
December 22, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/29244772/sphingosine-1-phosphate-receptor-1-expressed-in-myeloid-cells-slows-diet-induced-atherosclerosis-and-protects-against-macrophage-apoptosis-in-ldlr-ko-mice
#3
Leticia Gonzalez, Alexander S Qian, Usama Tahir, Pei Yu, Bernardo L Trigatti
We generated myeloid specific sphingosine-1-phosphate receptor 1 (S1pr1) deficient mice by crossing mice that had myeloid specific expression of Cre recombinase (lyzMCre) with mice having the S1pr1 gene flanked by loxP recombination sites. We transplanted bone marrow from these mice and control lyzMCre mice with intact macrophage S1pr1 gene expression into low-density lipoprotein (LDL) receptor gene (Ldlr) deficient mice. The resulting chimeras were fed a high fat atherogenic diet for nine or twelve weeks and evaluated for atherosclerosis development in the aortic sinus...
December 15, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29215590/joint-effects-of-pon1-polymorphisms-and-vegetable-intake-on-ischemic-stroke-a-family-based-case-control-study
#4
Juan Juan, Xia Jiang, Xun Tang, Yiqun Wu, Kexin Sun, Xiao Xiang, Yaohua Tian, Tao Wu, Qi Sun, Peter Kraft, Yonghua Hu
Paraoxonase 1 gene (PON1) polymorphisms and dietary vegetable and fruit intake are both established determinants of ischemic stroke (IS). However, little is known about whether these factors jointly influence the risk of IS. We analyzed the main effects of PON1, as well as the interactions between PON1 and dietary vegetable or fruit intake with the risk of total IS and its subtypes in a family-based case-control study conducted among 2158 Chinese participants (1007 IS cases and 1151 IS-free controls) from 918 families...
December 7, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29197188/genipin-alleviates-high-fat-diet-induced-hyperlipidemia-and-hepatic-lipid-accumulation-in-mice-via-mir-142a-5p-srebp-1c-axis
#5
Hong Zhong, Ke Chen, Mengyang Feng, Wei Shao, Jun Wu, Kun Chen, Tingming Liang, Chang Liu
Hyperlipidemia is a chronic disorder which plays an important role in the development of cardiovascular diseases, type 2 diabetes, atherosclerosis, hypertension and nonalcoholic fatty liver disease. Genipin is a metabolite from genipioside, which is an active component of the traditional Chinese medicine Gardenia jasminoides Ellis, and has been recognized as a beneficial compound against metabolic disorders. However, whether it can correct over-nutrition-induced dyslipidemia is still unknown. In this study, the effects of genipin on attenuating hyperlipidemia and hepatic lipid accumulation were investigated using normal and obese mice induced by a high-fat diet and primary hepatocytes treated by free fatty acids...
December 2, 2017: FEBS Journal
https://www.readbyqxmd.com/read/29193500/stroke-patients-with-familial-hypercholesterolemia-need-for-detection-and-aggressive-treatment
#6
Haralampos Milionis
Familial hypercholesterolaemia (FH) is an autosomal dominant disorder originating from mutations in genes encoding low density lipoprotein (LDL)-receptor, apolipoprotein B (apoB), or proprotein convertase subtilisin/kexin type 9 (PCSK9), thus resulting in severe elevations of total and LDL cholesterol levels. Heterozygous FH (HeFH) occurs in 1 in 250 people, whereas homozygous FH (HoFH) is very rare, occurring in about 1 in 160,000 to one million people worldwide [1]. Despite the fact that FH is a relatively rare disease, it is of profound medical interest by serving as a model disease for atherosclerosis...
November 28, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/29187515/nrf2-at-the-heart-of-oxidative-stress-and-cardiac-protection
#7
Qin M Chen, Anthony J Maltagliati
The NFE2L2 gene encodes the transcription factor Nrf2 best known for regulating the expression of antioxidant and detoxification genes. Gene knockout approaches have demonstrated its universal cytoprotective features. While Nrf2 has been the topic of intensive research in cancer biology since its discovery in 1994, understanding the role of Nrf2 in cardiovascular disease has just begun. The literature concerning Nrf2 in experimental models of atherosclerosis, ischemia, reperfusion, cardiac hypertrophy, heart failure, and diabetes supports its cardiac protective character...
November 29, 2017: Physiological Genomics
https://www.readbyqxmd.com/read/29153655/clinical-evidence-supports-a-protective-role-for-cxcl5-in-coronary-artery-disease
#8
Saranya Ravi, Robert N Schuck, Eleanor Hilliard, Craig R Lee, Xuming Dai, Kaitlin Lenhart, Monte S Willis, Brian C Jensen, George A Stouffer, Cam Patterson, Jonathan C Schisler
Our goal was to measure the association of CXCL5 and molecular phenotypes associated with coronary atherosclerosis severity in patients at least 65 years old. CXCL5 is classically defined as a proinflammatory chemokine, but its role in chronic inflammatory diseases, such as coronary atherosclerosis, is not well defined. We enrolled individuals who were at least 65 years old and undergoing diagnostic cardiac catheterization. Coronary artery disease (CAD) severity was quantified in each subject via coronary angiography by calculating a CAD score...
December 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/29122817/apo-a-i-apolipoprotein-a-i-vascular-gene-therapy-provides-durable-protection-against-atherosclerosis-in-hyperlipidemic-rabbits
#9
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
#10
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
#11
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
#12
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
#13
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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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