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Cardiovascular genomic

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https://www.readbyqxmd.com/read/29769521/thirty-loci-identified-for-heart-rate-response-to-exercise-and-recovery-implicate-autonomic-nervous-system
#1
Julia Ramírez, Stefan van Duijvenboden, Ioanna Ntalla, Borbala Mifsud, Helen R Warren, Evan Tzanis, Michele Orini, Andrew Tinker, Pier D Lambiase, Patricia B Munroe
Impaired capacity to increase heart rate (HR) during exercise (ΔHRex ), and a reduced rate of recovery post-exercise (ΔHRrec ) are associated with higher cardiovascular mortality rates. Currently, the genetic basis of both phenotypes remains to be elucidated. We conduct genome-wide association studies (GWASs) for ΔHRex and ΔHRrec in ~40,000 individuals, followed by replication in ~27,000 independent samples, all from UK Biobank. Six and seven single-nucleotide polymorphisms for ΔHRex and ΔHRrec , respectively, formally replicate...
May 16, 2018: Nature Communications
https://www.readbyqxmd.com/read/29769070/serum-magnesium-levels-and-risk-of-coronary-artery-disease-mendelian-randomisation-study
#2
Susanna C Larsson, Stephen Burgess, Karl Michaëlsson
BACKGROUND: Observational studies have shown that serum magnesium levels are inversely associated with risk of cardiovascular disease, but whether this association is causal is unknown. We conducted a Mendelian randomisation study to investigate whether serum magnesium levels may be causally associated with coronary artery disease (CAD). METHODS: This Mendelian randomisation analysis is based on summary-level data from the CARDIoGRAMplusC4D consortium's 1000 Genomes-based genome-wide association meta-analysis of 48 studies with a total of 60,801 CAD cases and 123,504 non-cases...
May 17, 2018: BMC Medicine
https://www.readbyqxmd.com/read/29758559/circrna-0004904-circrna-0001855-and-papp-a-potential-novel-biomarkers-for-the-prediction-of-preeclampsia
#3
Min Jiang, Gendie E Lash, Xueqing Zhao, Yan Long, Caijiao Guo, Hongling Yang
BACKGROUND/AIMS: Circular RNAs (circRNAs) are transcribed prevalently in the genome; however, their potential roles in multiple cardiovascular diseases, particularly preeclampsia (PE), are not yet well understood. This study investigated the expression profiles of circRNAs and explored circRNA-mediated pregnancy-associated plasma protein A (PAPP-A) expression as a potential biomarker for PE before 20 weeks of pregnancy. METHODS: A nested case-control two-phase screening/validation study was performed in pregnant women before 20 weeks of gestation (before clinical diagnosis) at Guangzhou Women and Children's Medical Center from 2012 to 2015...
2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29753823/analysis-of-differentially-changed-gene-expression-in-ea-hy926-human-endothelial-cell-after-exposure-of-fine-particulate-matter-on-the-basis-of-microarray-profile
#4
Yan Wang, Lilin Xiong, Tianshu Wu, Ting Zhang, Lu Kong, Yuying Xue, Meng Tang
Epidemiological studies have illustrated that PM2.5 is closely related to cardiovascular disease (CVD), but underlying toxicological mechanisms are not yet clear. The main purpose of this study is to disclose the potential biological mechanisms responsible for PM2.5-dependent adverse cardiovascular outcomes through the appliance of genome-wide transcription microarray. From results, compared with the control group, there are 97 genes significantly altered in 2.5 μg/cm2 PM2.5 treated group and 440 differentially expressed genes in 10 μg/cm2 group...
May 10, 2018: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/29751665/long-non-coding-rnas-in-multifactorial-diseases-another-layer-of-complexity
#5
REVIEW
Gabriel A Cipolla, Jaqueline C de Oliveira, Amanda Salviano-Silva, Sara C Lobo-Alves, Debora S Lemos, Luana C Oliveira, Tayana S Jucoski, Carolina Mathias, Gabrielle A Pedroso, Erika P Zambalde, Daniela F Gradia
Multifactorial diseases such as cancer, cardiovascular conditions and neurological, immunological and metabolic disorders are a group of diseases caused by the combination of genetic and environmental factors. High-throughput RNA sequencing (RNA-seq) technologies have revealed that less than 2% of the genome corresponds to protein-coding genes, although most of the human genome is transcribed. The other transcripts include a large variety of non-coding RNAs (ncRNAs), and the continuous generation of RNA-seq data shows that ncRNAs are strongly deregulated and may be important players in pathological processes...
May 11, 2018: Non-Coding RNA
https://www.readbyqxmd.com/read/29748315/genetic-regulation-of-pcsk9-proprotein-convertase-subtilisin-kexin-type-9-plasma-levels-and-its-impact-on-atherosclerotic-vascular-disease-phenotypes
#6
Janne Pott, Valentin Schlegel, Andrej Teren, Katrin Horn, Holger Kirsten, Christina Bluecher, Juergen Kratzsch, Markus Loeffler, Joachim Thiery, Ralph Burkhardt, Markus Scholz
BACKGROUND: Inhibition of PCSK9 (proprotein convertase subtilisin/kexin type 9) is a novel strategy to treat hypercholesterolemia and reduce cardiovascular events. However, the potential role of circulating plasma PCSK9 concentrations as a diagnostic and predictive biomarker remains uncertain as of now. Here, we aimed to identify genetic variants associated with plasma PCSK9 and investigate possible causal effects on atherosclerotic vascular disease phenotypes. METHODS: We performed the first genome-wide association study of plasma PCSK9 levels in a cohort of suspected and confirmed coronary artery disease (LIFE-Heart; n=3290)...
May 2018: Circulation. Genomic and precision medicine
https://www.readbyqxmd.com/read/29738536/statins-impact-primary-embryonic-mouse-neural-stem-cell-survival-cell-death-and-fate-through-distinct-mechanisms
#7
Ross A Carson, Anthony C Rudine, Serena J Tally, Alexis L Franks, Krystle A Frahm, Jacob K Waldman, Neerupma Silswal, Suban Burale, James V Phan, Uma R Chandran, A Paula Monaghan, Donald B DeFranco
Statins inhibit HMG-CoA reductase, the rate-limiting enzyme in the cholesterol biosynthesis pathway (CBP), and are used for the prevention of cardiovascular disease. The anti-inflammatory effects of statins may also provide therapeutic benefits and have led to their use in clinical trials for preeclampsia, a pregnancy-associated inflammatory condition, despite their current classification as category X (i.e. contraindicated during pregnancy). In the developing neocortex, products of the CBP play essential roles in proliferation and differentiation of neural stem-progenitor cells (NSPCs)...
2018: PloS One
https://www.readbyqxmd.com/read/29732466/novel-insights-into-the-regulation-of-mirna-transcriptional-control-implications-for-t2d-and-related-complications
#9
Lucia La Sala, Stefano Micheloni, Valeria De Nigris, Francesco Prattichizzo, Antonio Ceriello
In recent years, epigenetics has emerged as an important form of biological regulation involving chromatin control of gene expression. The mechanisms of this fine-tuned regulation are susceptible to changes forced by environmental stimuli and nutritional factors and may be potentially reversible. Dysregulation of epigenetic processes has important consequences for the pathogenesis of complex and multifactorial diseases such as type 2 diabetes (T2D) and vascular complications. Along with DNA methylation (DNA-me), histone modifications and RNA-based mechanisms as the major epigenetic controllers, small non-coding RNAs known as microRNAs (miRNAs) have their own important implications for the pathogenesis of diabetes...
May 7, 2018: Acta Diabetologica
https://www.readbyqxmd.com/read/29731778/genome-editing-redefines-precision-medicine-in-the-cardiovascular-field
#10
REVIEW
Elda Dzilic, Harald Lahm, Martina Dreßen, Marcus-André Deutsch, Rüdiger Lange, Sean M Wu, Markus Krane, Stefanie A Doppler
Genome editing is a powerful tool to study the function of specific genes and proteins important for development or disease. Recent technologies, especially CRISPR/Cas9 which is characterized by convenient handling and high precision, revolutionized the field of genome editing. Such tools have enormous potential for basic science as well as for regenerative medicine. Nevertheless, there are still several hurdles that have to be overcome, but patient-tailored therapies, termed precision medicine, seem to be within reach...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29730779/the-role-of-circadian-rhythms-in-the-hypertension-of-diabetes-mellitus-and-the-metabolic-syndrome
#11
REVIEW
Björn Lemmer, Henrik Oster
PURPOSE OF THE REVIEW: Cellular circadian clocks regulate physiological functions during day and night. It has been convincingly demonstrated that hypertension in patients suffering from diabetes mellitus or metabolic syndrome is characterized in most cases by a disturbed 24-h profile resulting in a nondipper pattern. We consider possible correlation between biological clocks and symptoms of the metabolic syndrome. RECENT FINDINGS: Changes in circadian clock function have been linked to metabolic disorders in genome-wide association studies...
May 5, 2018: Current Hypertension Reports
https://www.readbyqxmd.com/read/29729383/ameliorative-potential-of-lavandula-stoechas-in-metabolic-syndrome-via-multitarget-interactions
#12
S S Kulabas, H Ipek, A R Tufekci, S Arslan, I Demirtas, R Ekren, U Sezerman, T B Tumer
ETHNOPHARMACOLOGICAL IMPORTANCE: Decoction and infusion prepared from aerial parts of Lavandula stoechas L. (L. stoechas) have been traditionally used as remedy against several components of metabolic syndrome (MetS) and associated disorders including type II diabetes and cardiovascular diseases by Anatolian people. AIM OF THE STUDY: The aim is to elucidate the potential ameliorative effects of L. stoechas aqueous extracts on insulin resistance and inflammation models through multitarget in vitro approaches and also to elucidate mechanism of action by analyzing transcriptional and metabolic responses...
May 2, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29729327/fish-the-better-model-in-human-heart-research-zebrafish-heart-aggregates-as-a-3d-spontaneously-cardiomyogenic-in-vitro-model-system
#13
REVIEW
Patricia Hodgson, Jake Ireland, Bianka Grunow
The zebrafish (ZF) has become an essential model for biomedical, pharmacological and eco-toxicological heart research. Despite the anatomical differences between fish and human hearts, similarities in cellular structure and conservation of genes as well as pathways across vertebrates have led to an increase in the popularity of ZF as a model for human cardiac research. ZF research benefits from an entirely sequenced genome, which allows us to establish and study cardiovascular mutants to better understand cardiovascular diseases...
May 2, 2018: Progress in Biophysics and Molecular Biology
https://www.readbyqxmd.com/read/29728394/cetp-cholesteryl-ester-transfer-protein-concentration-a-genome-wide-association-study-followed-by-mendelian-randomization-on-coronary-artery-disease
#14
Lisanne L Blauw, Ruifang Li-Gao, Raymond Noordam, Renée de Mutsert, Stella Trompet, Jimmy F P Berbée, Yanan Wang, Jan B van Klinken, Tim Christen, Diana van Heemst, Dennis O Mook-Kanamori, Frits R Rosendaal, J Wouter Jukema, Patrick C N Rensen, Ko Willems van Dijk
BACKGROUND: We aimed to identify independent genetic determinants of circulating CETP (cholesteryl ester transfer protein) to assess causal effects of variation in CETP concentration on circulating lipid concentrations and cardiovascular disease risk. METHODS: A genome-wide association discovery and replication study on serum CETP concentration were embedded in the NEO study (Netherlands Epidemiology of Obesity). Based on the independent identified variants, Mendelian randomization was conducted on serum lipids (NEO study) and coronary artery disease (CAD; CARDIoGRAMplusC4D consortium)...
May 2018: Circulation. Genomic and precision medicine
https://www.readbyqxmd.com/read/29726690/human-genome-evolution-and-development-of-cardiovascular-risk-factors-through-natural-selection
#15
R Poledne, J Zicha
Impressive advances in molecular genetic techniques allow to analyze the effects of natural selection on the development of human genome. For example, the trend towards blonde hair and blue eyes was documented. The approach to analyze possible effects of natural selection on the evolution of recent phenotypes with high risk of cardiovascular disease has not been described yet. A possible effect on the evolution of two main risk factors - hypercholesterolemia and hypertension - is presented. The close relationship of non-HDL cholesterol blood concentration to the proportion of pro-inflammatory macrophages in human visceral adipose tissue might be a result of long-lasting natural selection...
May 4, 2018: Physiological Research
https://www.readbyqxmd.com/read/29721950/pleiotropic-effects-of-risk-factors-in-age-related-macular-degeneration-and-seemingly-unrelated-complex-diseases
#16
Christina Kiel, Bernhard H F Weber, Felix Grassmann
Age-related macular degeneration (AMD) is a complex disease with both environmental and genetic factors influencing disease risk. Genome-wide case-control association studies, candidate gene analyses, and epidemiological studies reinforced the notion that AMD is predominantly a disease of an impaired complement system and an altered high-density lipoprotein (HDL) metabolism. Recent reports demonstrated the pleiotropic role of the complement system and HDL in complex diseases such as cardiovascular disease, autoimmune disorders, cancer, and Alzheimer's disease...
2018: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29714123/how-genome-editing-could-be-used-in-the-treatment-of-cardiovascular-diseases
#17
Kiran Musunuru
No abstract text is available yet for this article.
March 2018: Personalized Medicine
https://www.readbyqxmd.com/read/29713043/epigenome-wide-association-study-of-adiposity-and-future-risk-of-obesity-related-diseases
#18
Gianluca Campanella, Marc J Gunter, Silvia Polidoro, Vittorio Krogh, Domenico Palli, Salvatore Panico, Carlotta Sacerdote, Rosario Tumino, Giovanni Fiorito, Simonetta Guarrera, Licia Iacoviello, Ingvar A Bergdahl, Beatrice Melin, Per Lenner, Theo M C M de Kok, Panagiotis Georgiadis, Jos C S Kleinjans, Soterios A Kyrtopoulos, H Bas Bueno-de-Mesquita, Karen A Lillycrop, Anne M May, N Charlotte Onland-Moret, Robert Murray, Elio Riboli, Monique Verschuren, Eiliv Lund, Nicolle Mode, Torkjel M Sandanger, Valentina Fiano, Morena Trevisan, Giuseppe Matullo, Philippe Froguel, Paul Elliott, Paolo Vineis, Marc Chadeau-Hyam
BACKGROUND: Obesity is an established risk factor for several common chronic diseases such as breast and colorectal cancer, metabolic and cardiovascular diseases; however, the biological basis for these relationships is not fully understood. To explore the association of obesity with these conditions, we investigated peripheral blood leucocyte (PBL) DNA methylation markers for adiposity and their contribution to risk of incident breast and colorectal cancer and myocardial infarction. METHODS: DNA methylation profiles (Illumina Infinium® HumanMethylation450 BeadChip) from 1941 individuals from four population-based European cohorts were analysed in relation to body mass index, waist circumference, waist-hip and waist-height ratio within a meta-analytical framework...
May 1, 2018: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/29710874/applicability-of-precision-medicine-approaches-to-managing-hypertension-in-rural-populations
#19
Jacqueline R Halladay, Kaitlin C Lenhart, Kimberly Robasky, Wendell Jones, Wayne F Homan, Doyle M Cummings, Crystal W Cené, Alan L Hinderliter, Cassandra L Miller, Katrina E Donahue, Beverly A Garcia, Thomas C Keyserling, Alice S Ammerman, Cam Patterson, Darren A DeWalt, Larry F Johnston, Monte S Willis, Jonathan C Schisler
As part of the Heart Healthy Lenoir Project, we developed a practice level intervention to improve blood pressure control. The goal of this study was: (i) to determine if single nucleotide polymorphisms (SNPs) that associate with blood pressure variation, identified in large studies, are applicable to blood pressure control in subjects from a rural population; (ii) to measure the association of these SNPs with subjects' responsiveness to the hypertension intervention; and (iii) to identify other SNPs that may help understand patient-specific responses to an intervention...
April 30, 2018: Journal of Personalized Medicine
https://www.readbyqxmd.com/read/29703846/-lpa-variants-are-associated-with-residual-cardiovascular-risk-in-patients-receiving-statins
#20
Wei-Qi Wei, Xiaohui Li, Qiping Feng, Michiaki Kubo, Iftikhar J Kullo, Peggy L Peissig, Elizabeth W Karlson, Gail P Jarvik, Ming Ta Michael Lee, Ning Shang, Eric A Larson, Todd Edwards, Christian Shaffer, Jonathan D Mosley, Shiro Maeda, Momoko Horikoshi, Marylyn Ritchie, Marc S Williams, Eric B Larson, David R Crosslin, Sarah T Bland, Jennifer A Pacheco, Laura J Rasmussen-Torvik, David Cronkite, George Hripcsak, Nancy J Cox, Russell A Wilke, C Michael Stein, Jerome I Rotter, Yukihide Momozawa, Dan M Roden, Ronald M Krauss, Joshua C Denny
Background -Coronary heart disease (CHD) is a leading cause of death globally. Although therapy with HMG-CoA reductase inhibitors (statins) decreases circulating levels of low-density lipoprotein cholesterol (LDL-C) and the incidence of CHD, additional events occur despite statin therapy in some individuals. The genetic determinants of this residual cardiovascular risk remain unknown. Methods -We performed a two-stage genome-wide association study (GWAS) of CHD events during statin therapy. We first identified 3,099 cases who experienced CHD events (defined as acute myocardial infarction or the need for coronary revascularization) during statin therapy and 7,681 controls without CHD events during comparable intensity and duration of statin therapy from four sites in the Electronic Medical Records and Genomics (eMERGE) Network...
April 27, 2018: Circulation
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