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Cardiovascular genomic

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https://www.readbyqxmd.com/read/27915991/control-of-inflammatory-bowel-disease-and-colorectal-cancer-by-synthetic-vitamin-d-receptor-ligands
#1
Ichiro Takada, Makoto Makishima
Vitamin D deficiency and insufficiency are associated with an increased risk of cancer, autoimmune disease, inflammation, infection, cardiovascular disease and metabolic disease, as well as bone and mineral disorders. The vitamin D receptor (VDR), a member of the nuclear receptor superfamily, is a receptor for the active form of vitamin D, 1α,25-dihydroxyvitamin D3 [1,25(OH)2D3], and mediates vitamin D regulation of specific target gene expression. The secondary bile acid lithocholic acid, which is produced by intestinal bacteria, is another natural VDR ligand...
December 2, 2016: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/27915083/pharmacodynamic-and-cytogenetic-evaluation-in-cyp2c19-2-and-cyp2c19-3-allelomorphism-in-south-indian-population-with-clopidogrel-therapy
#2
Javeed Ahmad Tantray, K Pratap Reddy, Kaiser Jamil, Y Shiva Kumar
BACKGROUND: Genetic factors play a significant role in pathogenesis of most diseases of heart. The present study was undertaken to correlate coronary artery disease with demographical, biochemical alterations, SNPs, gene expression and chromosomal abnormalities and for further enlightening the investigation in this field. METHODS: 150 patients taking clopidogrel drug were selected and single nucleotide polymorphism was done by PCR-RFLP techniques. With the same patients cytogenetic analysis was carried out on leukocyte cultures by karyotyping...
November 11, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27914500/effect-of-l-arginine-asymmetric-dimethylarginine-and-symmetric-dimethylarginine-on-ischemic-heart-disease-risk-a-mendelian-randomization-study
#3
Shiu Lun Au Yeung, Shi Lin Lin, Hung San Hugh Simon Lam, Catherine Mary Schooling
BACKGROUND: l-arginine is a commonly consumed dietary conditional essential amino acid found in food items and supplements, which is closely related to asymmetric dimethylarginine (ADMA) and symmetric dimethylarginine (SDMA). l-arginine is thought to increase nitric oxide and be cardioprotective, whereas ADMA and SDMA may inhibit nitric oxide synthesis and increase cardiovascular disease risk. Unexpectedly, l-arginine increased mortality in a small trial. To clarify the effects of these potential targets of intervention, we assessed the risk of ischemic heart disease (IHD) by genetically determined l-arginine, ADMA, and SDMA...
December 2016: American Heart Journal
https://www.readbyqxmd.com/read/27910041/efficient-genome-editing-in-induced-pluripotent-stem-cells-with-engineered-nucleases-in-vitro
#4
Vittavat Termglinchan, Timon Seeger, Caressa Chen, Joseph C Wu, Ioannis Karakikes
Precision genome engineering is rapidly advancing the application of the induced pluripotent stem cells (iPSCs) technology for in vitro disease modeling of cardiovascular diseases. Targeted genome editing using engineered nucleases is a powerful tool that allows for reverse genetics, genome engineering, and targeted transgene integration experiments to be performed in a precise and predictable manner. However, nuclease-mediated homologous recombination is an inefficient process. Herein, we describe the development of an optimized method combining site-specific nucleases and the piggyBac transposon system for "seamless" genome editing in pluripotent stem cells with high efficiency and fidelity in vitro...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27902407/genomic-characterization-of-two-new-enterovirus-types-ev-a114-and-ev-a121
#5
Jagadish M Deshpande, Deepa K Sharma, Vinay K Saxena, Sushmitha A Shetty, Tarique Husain Ih Qureshi, Uma P Nalavade
Enteroviruses cause a variety of illnesses of the gastrointestinal tract, central nervous system as well as cardiovascular system. Phylogenetic analysis of VP1 sequences has identified 106 different human enteroviruses classified into four enterovirus species within genus Enterovirus of the Picornaviridae family. It is likely that not all enterovirus types have been discovered. Between September 2013 and October 2014, stool samples of 6274 apparently healthy children up to 5 years of age residing in Gorakhpur district, Uttar Pradesh, India were screened for enteroviruses...
October 28, 2016: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/27899403/meta-analysis-of-genome-wide-association-studies-for-abdominal-aortic-aneurysm-identifies-four-new-disease-specific-risk-loci
#6
Gregory T Jones, Gerard Tromp, Helena Kuivaniemi, Solveig Gretarsdottir, Annette F Baas, Betti Giusti, Ewa Strauss, Femke N van 't Hof, Thomas Webb, Robert Erdman, Marylyn D Ritchie, James R Elmore, Anurag Verma, Sarah Pendergrass, Iftikhar J Kullo, Zi Ye, Peggy L Peissig, Omri Gottesman, Shefali S Verma, Jennifer Malinowski, Laura J Rasmussen-Torvik, Kenneth Borthwick, Diane T Smelser, David R Crosslin, Mariza de Andrade, Evan J Ryer, Catherine A McCarty, Erwin P Bottinger, Jennifer A Pacheco, Dana C Crawford, David S Carrell, Glenn S Gerhard, David P Franklin, David J Carey, Victoria L Phillips, Michael J Williams, Wenhua Wei, Ross Blair, Andrew A Hill, Thodur M Vasudevan, David R Lewis, Ian A Thomson, Jo Krysa, Geraldine B Hill, Justin Roake, Tony R Merriman, Grzegorz Oszkinis, Silvia Galora, Claudia Saracini, Rosanna Abbate, Raffaele Pulli, Carlo Pratesi, Athanasios Saratzis, Anna Verissimo, Suzannah J Bumpstead, Stephen A Badger, Rachel E Clough, Gillian W Cockerill, Hany Hafez, D J Scott, T S Futers, Simon P Romaine, Katherine Bridge, Kathryn J Griffin, Marc A Bailey, Alberto Smith, Matt M Thompson, Frank van Bockxmeer, Stefan E Matthiasson, Gudmar Thorleifsson, Unnur Thorsteinsdottir, Jan D Blankensteijn, Joep A Teijink, Cisca Wijmenga, Jacqueline de Graaf, Lambertus A Kiemeney, Jes S Lindholt, Anne E Hughes, Declan T Bradley, Kathleen Stirrups, Jonathan Golledge, Paul E Norman, Janet T Powell, Steve E Humphries, Stephen E Hamby, Alison H Goodall, Christopher P Nelson, Natzi Sakalihasan, Audrey Courtois, Robert E Ferrell, Per Eriksson, Lasse Folkersen, Anders Franco-Cereceda, John D Eicher, Andrew D Johnson, Christer Betsholtz, Arno Ruusalepp, Oscar Franzén, Eric Schadt, Johan L Björkegren, Leonard Lipovich, Anne M Drolet, Eric Verhoeven, Clark J Zeebregts, Robert H Geelkerken, Marc R van Sambeek, Steven M van Sterkenburg, Jean-Paul P de Vries, Kari Stefansson, John R Thompson, Paul I de Bakker, Panos Deloukas, Robert D Sayers, Seamus Harrison, Andre M van Rij, Nilesh J Samani, Matthew J Bown
RATIONALE: Abdominal aortic aneurysm (AAA) is a complex disease with both genetic and environmental risk factors. Together, 6 previously identified risk loci only explain a small proportion of the heritability of AAA. OBJECTIVE: To identify additional AAA risk loci using data from all available genome-wide association studies (GWAS). METHODS AND RESULTS: Through a meta-analysis of 6 GWAS datasets and a validation study totalling 10,204 cases and 107,766 controls we identified 4 new AAA risk loci: 1q32...
November 29, 2016: Circulation Research
https://www.readbyqxmd.com/read/27894865/the-genetic-component-of-bicuspid-aortic-valve-and-aortic-dilation-an-exome-wide-association-study
#7
Marina Gago-Díaz, María Brion, Pastora Gallego, Francisco Calvo, Juan Robledo-Carmona, Daniel Saura, Violeta Sánchez, Javier Bermejo, Teresa Sevilla, Christopher Newton-Cheh, Ángel Carracedo, J Daniel Muehlschlegel, David García-Dorado, Simon C Body, Artur Evangelista
BACKGROUND: Bicuspid aortic valve is the most common cardiovascular congenital malformation affecting 2% of the general population. The incidence of life-threatening complications, the high heritability, and familial clustering rates support the interest in identifying risk or protective genetic factors. The main objective of the present study was to identify population-based genetic variation associated with bicuspid aortic valve and concomitant ascending aortic dilation. MATERIALS AND METHODS: A cross-sectional exome-wide association study was conducted in 565 Spanish cases and 484 controls...
November 25, 2016: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/27891324/high-throughput-cell-based-compound-screen-identifies-pinosylvin-methyl-ether-and-tanshinone-iia-as-inhibitors-of-castration-resistant-prostate-cancer
#8
Kirsi Ketola, Miro Viitala, Pekka Kohonen, Vidal Fey, Zoran Culig, Olli Kallioniemi, Kristiina Iljin
Current treatment options for castration-resistant prostate cancer (CRPC) are limited. In this study, a high-throughput screen of 4910 drugs and drug-like molecules was performed to identify antiproliferative compounds in androgen ablated prostate cancer cells. The effect of compounds on cell viability was compared in androgen ablated LNCaP prostate cancer cells and in LNCaP cells grown in presence of androgens as well as in two non-malignant prostate epithelial cells (RWPE-1 and EP156T). Validation experiments of cancer specific anti-proliferative compounds indicated pinosylvin methyl ether (PSME) and tanshinone IIA as potent inhibitors of androgen ablated LNCaP cell proliferation...
March 30, 2016: Journal of Molecular Biochemistry
https://www.readbyqxmd.com/read/27888796/altered-dna-methylation-in-neonates-born-large-for-gestational-age-is-associated-with-cardiometabolic-risk-in-children
#9
Xian-Hua Lin, Dan-Dan Wu, Ling Gao, Jun-Yu Zhang, Hai-Tao Pan, Hui Wang, Cheng Li, Ping Zhang, Meng-Xi Guo, Yan-Ting Wu, Ya-Jing Tan, Li Jin, Yu-Qian Xiang, Ju-Xue Li, Jian-Zhong Sheng, He-Feng Huang
BACKGROUND: Infants being born Large-for-gestational-age (LGA) are prone to developing cardiometabolic disease. However, the underlying mechanisms remain unclear. RESULTS: Clinical investigation showed that children born LGA had significantly higher serum level of total cholesterol (TC), low-density lipoprotein-cholesterol (LDL-c), and insulin, ratio of TC/high-density lipoprotein-cholesterol (HDL-c) compared to children born appropriate for gestational age (AGA)...
November 18, 2016: Oncotarget
https://www.readbyqxmd.com/read/27888154/modulation-of-vegf-receptor-2-signaling-by-protein-phosphatases
#10
REVIEW
Federico Corti, Michael Simons
Phosphorylation of serines, threonines, and tyrosines is a central event in signal transduction cascades in eukaryotic cells. The phosphorylation state of any particular protein reflects a balance of activity between kinases and phosphatases. Kinase biology has been exhaustively studied and is reasonably well understood, however, much less is known about phosphatases. A large body of evidence now shows that protein phosphatases do not behave as indiscriminate signal terminators, but can function both as negative or positive regulators of specific signaling pathways...
November 23, 2016: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/27884142/dna-methylation-patterns-associated-with-oxidative-stress-in-an-ageing-population
#11
Åsa K Hedman, Mihkel Zilmer, Johan Sundström, Lars Lind, Erik Ingelsson
BACKGROUND: Oxidative stress has been related to type 2 diabetes (T2D) and cardiovascular disease (CVD), the leading global cause of death. Contributions of environmental factors such as oxidative stress on complex traits and disease may be partly mediated through changes in epigenetic marks (e.g. DNA methylation). Studies relating differential methylation with intermediate phenotypes and disease endpoints may be useful in identifying additional candidate genes and mechanisms involved in disease...
November 25, 2016: BMC Medical Genomics
https://www.readbyqxmd.com/read/27881537/complete-genome-sequence-of-mycobacterium-chimaera-strain-ah16
#12
Nabeeh A Hasan, Jennifer R Honda, Rebecca M Davidson, L Elaine Epperson, Matthew J Bankowski, Edward D Chan, Michael Strong
Mycobacterium chimaera is a nontuberculous mycobacterial species that causes cardiovascular, pulmonary, and postsurgical infections. Here, we report the first complete genome sequence of M. chimaera This genome is 6.33 Mbp, with a G+C content of 67.56%, and encodes 4,926 protein-coding genes, as well as 74 tRNAs, one ncRNA, and three rRNA genes.
November 23, 2016: Genome Announcements
https://www.readbyqxmd.com/read/27881385/antihypertensive-effects-of-peroxisome-proliferator-activated-receptor-%C3%AE-%C3%AE-activation
#13
Marta Toral, Miguel Romero, Francisco Perez-Vizcaino, Juan Duarte, Rosario Jimenez
Peroxisome proliferator-activated receptors (PPARs) are members of the nuclear hormone receptor superfamily of ligand-activated transcription factors, which is composed of three members encoded by distinct genes: PPARα, PPARβ/δ, and PPARγ. The biological actions of PPARα and PPARγ and their potential as a cardiovascular therapeutic target have been extensively reviewed, whereas the biological actions of PPARβ/δ and its effectiveness as a therapeutic target in the treatment of hypertension remain less investigated...
November 23, 2016: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/27876379/microrna-profiling-of-human-intermediate-monocytes
#14
Adam M Zawada, Lu Zhang, Insa E Emrich, Kyrill S Rogacev, Nicolas Krezdorn, Björn Rotter, Danilo Fliser, Yvan Devaux, Loems Ziegler-Heitbrock, Gunnar H Heine
Among the three human monocyte subsets, intermediate CD14++CD16+ monocytes have been characterized as particularly proinflammatory cells in experimental studies and as potential biomarkers of cardiovascular risk in clinical cohorts. To further substantiate the distinct role of intermediate monocytes within human monocyte heterogeneity, we assessed subset-specific expression of miRNAs as central epigenetic regulators of gene expression. We hypothesized that intermediate monocytes have a distinct miRNA profile compared to classical and non-classical monocytes...
November 13, 2016: Immunobiology
https://www.readbyqxmd.com/read/27876132/possible-role-of-intronic-polymorphisms-in-the-phactr1-gene-on-the-development-of-cardiovascular-disease
#15
José Manuel Rodríguez-Pérez, Ruben Blachman-Braun, Alan Pomerantz, Gilberto Vargas-Alarcón, Rosalinda Posadas-Sánchez, Nonanzit Pérez-Hernández
Cardiovascular disease (CVD) is a complex multifactorial and polygenetic disease in which the interaction of numerous genes, genetic variants, and environmental factors plays a major role in its development. In an attempt to demonstrate the association between certain genetic variants and CVD, researchers have run large genomic wild association studies (GWAS) in recent decades. These studies have correlated several genomic variants with the presence of CVD. Recently, certain polymorphisms in the phosphatase and actin regulator 1 (PHACTR1) gene have been shown to be associated with CVD (i...
December 2016: Medical Hypotheses
https://www.readbyqxmd.com/read/27867202/generalization-and-fine-mapping-of-european-ancestry-based-central-adiposity-variants-in-african-ancestry-populations
#16
S Yoneyama, J Yao, X Guo, L Fernandez-Rhodes, U Lim, J Boston, P Buzková, C S Carlson, I Cheng, B Cochran, R Cooper, G Ehret, M Fornage, J Gong, M Gross, C C Gu, J Haessler, C A Haiman, B Henderson, L A Hindorff, D Houston, M R Irvin, R Jackson, L Kuller, M Leppert, C E Lewis, R Li, L Le Marchand, T C Matise, K-Dh Nguyen, A Chakravarti, J S Pankow, N Pankratz, L Pooler, M D Ritchie, S A Bien, C L Wassel, Y-DI Chen, K D Taylor, M Allison, J I Rotter, P J Schreiner, F Schumacher, L Wilkens, E Boerwinkle, C Kooperberg, U Peters, S Buyske, M Graff, K E North
BACKGROUND/OBJECTIVES: Central adiposity measures such as waist circumference (WC) and waist-to-hip ratio (WHR) are associated with cardiometabolic disorders independently of BMI and are gaining clinically utility. Several studies report genetic variants associated with central adiposity, but most utilize only European ancestry populations. Understanding whether the genetic associations discovered among mainly European descendants are shared with African ancestry populations will help elucidate the biological underpinnings of abdominal fat deposition...
November 21, 2016: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/27866151/genotyping-by-sequencing-based-investigation-of-the-genetic-architecture-responsible-for-a-7-fold-increase-in-soybean-seed-stearic-acid
#17
Crystal B Heim, Jason D Gillman
Soybean oil is highly unsaturated but oxidatively unstable, rendering it non-ideal for food applications. Until recently, the majority of soybean oil underwent partial chemical hydrogenation, which produces trans fats as an unavoidable consequence. Dietary intake of trans fats and most saturated fats are conclusively linked to negative impacts on cholesterol levels and cardiovascular health. Two major soybean oil breeding targets are : 1) to reduce or eliminate the need for chemical hydrogenation, and 2) to replace the functional properties of partially hydrogenated soybean oil...
November 18, 2016: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/27865480/biofluids-cell-mechanics-and-epigenetics-flow-induced-epigenetic-mechanisms-of-endothelial-gene-expression
#18
Peter F Davies, Elisabetta Manduchi, Juan M Jiménez, Yi-Zhou Jiang
Epigenetics is the regulation of gene expression (transcription) in response to changes in the cell environment through genomic modifications that largely involve the non-coding fraction of the human genome and that cannot be attributed to modification of the primary DNA sequence. Epigenetics is dominant in establishing cell fate and positioning during programmed embryonic development. However the same pathways are used by mature postnatal and adult mammalian cells during normal physiology and are implicated in disease mechanisms...
November 11, 2016: Journal of Biomechanics
https://www.readbyqxmd.com/read/27864543/long-non-coding-rnas-a-novel-paradigm-for-toxicology
#19
REVIEW
Joseph L Dempsey, Julia Yue Cui
Long non-coding RNAs (lncRNAs) are over 200 nucleotides in length and are transcribed from the mammalian genome in a tissue-specific and developmentally regulated pattern. There is growing recognition that lncRNAs are novel biomarkers and/or key regulators of toxicological responses in humans and animal models. Lacking protein-coding capacity, the numerous types of lncRNAs possess a myriad of transcriptional regulatory functions that include cis and trans gene expression, transcription factor activity, chromatin remodeling, imprinting, and enhancer up-regulation...
November 17, 2016: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/27864399/novel-genetic-loci-associated-with-long-term-deterioration-in-blood-lipid-concentrations-and-coronary-artery-disease-in-european-adults
#20
Tibor V Varga, Azra Kurbasic, Mattias Aine, Pontus Eriksson, Ashfaq Ali, George Hindy, Stefan Gustafsson, Jian'an Luan, Dmitry Shungin, Yan Chen, Christina-Alexandra Schulz, Peter M Nilsson, Göran Hallmans, Inês Barroso, Panos Deloukas, Claudia Langenberg, Robert A Scott, Nicholas J Wareham, Lars Lind, Erik Ingelsson, Olle Melander, Marju Orho-Melander, Frida Renström, Paul W Franks
BACKGROUND: Cross-sectional genome-wide association studies have identified hundreds of loci associated with blood lipids and related cardiovascular traits, but few genetic association studies have focused on long-term changes in blood lipids. METHODS: Participants from the GLACIER Study (Nmax = 3492) were genotyped with the MetaboChip array, from which 29 387 SNPs (single nucleotide polymorphisms; replication, fine-mapping regions and wildcard SNPs for lipid traits) were extracted for association tests with 10-year change in total cholesterol (ΔTC) and triglycerides (ΔTG)...
November 17, 2016: International Journal of Epidemiology
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