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https://www.readbyqxmd.com/read/28739304/role-of-nadphox-rho-kinase-signaling-in-the-cyclosporine-nsaids-interactions-on-blood-pressure-and-baroreflexes-in-female-rats
#1
Hanan M El-Gowelli, Karim S Ibrahim, Ahmed F El-Yazbi, Mahmoud M El-Mas
AIMS: The hypertensive effect of the immunosuppressant drug cyclosporine (CSA) is paralleled, and probably triggered, by impaired arterial baroreceptor sensitivity (BRS). Here we asked if these effects of CSA are influenced by co-administration of nonsteroidal antiinflammatory drugs (NSAIDs) and if the oxidative NADPH-oxidase (NADPHox)/Rho-kinase (ROCK) pathway mediates this interaction. MATERIALS AND METHODS: Female rats were treated for 10days with CSA (25mg/kg/day), diclofenac (DIC, COX-1/COX-2 inhibitor, 1mg/kg/day), celecoxib (COX-2 inhibitor, 10mg/kg/day), or their combinations...
July 21, 2017: Life Sciences
https://www.readbyqxmd.com/read/28738859/genes-and-pathways-underlying-susceptibility-to-impaired-lung-function-in-the-context-of-environmental-tobacco-smoke-exposure
#2
K de Jong, J M Vonk, M Imboden, L Lahousse, A Hofman, G G Brusselle, N M Probst-Hensch, D S Postma, H M Boezen
BACKGROUND: Studies aiming to assess genetic susceptibility for impaired lung function levels upon exposure to environmental tobacco smoke (ETS) have thus far focused on candidate-genes selected based on a-priori knowledge of potentially relevant biological pathways, such as glutathione S-transferases and ADAM33. By using a hypothesis-free approach, we aimed to identify novel susceptibility loci, and additionally explored biological pathways potentially underlying this susceptibility to impaired lung function in the context of ETS exposure...
July 24, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28738682/prototropically-allosteric-probe-for-superbly-selective-dna-analysis
#3
Fan Lin, Yufeng Zhou, Qiusha Li, Xiao-Shun Zhou, Yong Shao, Benoit Habermeyer, Hui Wang, Xinghua Shi, Zhiai Xu
Selective nucleotide recognition for biosensor evolution requires rational probe design towards the binding pattern-susceptible readout but without serious poison in selectivity from the context sequences. In this work, we synthesized a dual-function trihydroxyphenyl porphyrin (POH3) to target abasic site (AP site) in ds-DNA using the trihydroxyphenyl substituent and the tetrapyrrole macrocycle as the recognition unit (RU) and the fluorescent signal unit (SU), respectively. RU and SU are separated each other but are prototropically allosteric...
July 25, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28736863/no-associations-established-between-single-nucleotide-polymorphisms-in-human-toll-like-receptor-2-and-toll-interacting-protein-and-staphylococcus-aureus-bloodstream-infections
#4
Tom Eirik Smeland, Fredrik Müller, Anita Blomfeldt, Knut Stavem, Hege Vangstein Aamot
Staphylococcus aureus bloodstream infections (SABSI) are associated with high morbidity and mortality. The Toll-like receptor 2 (TLR2) and Toll-interacting protein (TOLLIP) are important in recognition and regulation of human innate immunity response to S. aureus. Single nucleotide polymorphisms (SNPs) in the TLR2 and TOLLIP encoding genes have been associated with disease, including BSI. The aim of this study was to examine potential associations between a selection of SNPs in the genes encoding TLR2 and TOLLIP, and predisposition, severity, and outcome of SABSI...
July 24, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28735743/exposure-to-meat-derived-carcinogens-and-bulky-dna-adduct-levels-in-normal-appearing-colon-mucosa
#5
Vikki Ho, Vanessa Brunetti, Sarah Peacock, Thomas E Massey, Roger W L Godschalk, Frederik J van Schooten, Janet E Ashbury, Stephen J Vanner, Will D King
INTRODUCTION: Meat consumption is a risk factor for colorectal cancer. This research investigated the relationship between meat-derived carcinogen exposure and bulky DNA adduct levels, a biomarker of DNA damage, in colon mucosa. METHODS: Least squares regression was used to examine the relationship between meat-derived carcinogen exposure (PhIP and meat mutagenicity) and bulky DNA adduct levels in normal-appearing colon tissue measured using (32)P-postlabelling among 202 patients undergoing a screening colonoscopy...
September 2017: Mutation Research
https://www.readbyqxmd.com/read/28734179/computational-analysis-for-the-determination-of-deleterious-nssnps-in-human-mthfd1-gene
#6
Mansi Desai, J B Chauhan
Single nucleotide polymorphisms (SNPs) are the most common genetic polymorphisms and play a major role in many inherited diseases. Methylenetetrahydrofolate dehydrogenase 1 (MTHFD1) is one of the enzymes involved in folate metabolism. In the present study, the functional and structural consequences of nsSNPs of human MTHFD1 gene was analyzed using various computational tools like SIFT, PolyPhen2, PANTHER, PROVEAN, SNAP2, nsSNPAnalyzer, PhD-SNP, SNPs&GO, I-Mutant, MuPro, ConSurf, InterPro, NCBI Conserved Domain Search tool, ModPred, SPARKS-X, RAMPAGE, FT Site and PyMol...
July 11, 2017: Computational Biology and Chemistry
https://www.readbyqxmd.com/read/28734077/integrative-studies-implicate-matrix-metalloproteinase-12-as-a-culprit-gene-for-large-artery-atherosclerotic-stroke
#7
Hovsep Mahdessian, Ljubica Perisic Matic, Mariette Lengquist, Karl Gertow, Bengt Sennblad, Damiano Baldassarre, Fabrizio Veglia, Steve E Humphries, Rainer Rauramaa, Ulf de Faire, Andries J Smit, Philippe Giral, Sudhir Kurl, Elmo Mannarino, Elena Tremoli, Anders Hamsten, Per Eriksson, Ulf Hedin, Anders Mälarstig
BACKGROUND: Ischemic 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 ischemic stroke. Here we evaluated and extended these results by examining the relationship between MMP12 and atherosclerosis in clinical and experimental studies...
July 22, 2017: Journal of Internal Medicine
https://www.readbyqxmd.com/read/28733203/in-silico-pharmacogenetic-approach-the-natalizumab-case-study
#8
Francesca Cavaliere, Enrico Montanari, Andrew Emerson, Annamaria Buschini, Pietro Cozzini
Natalizumab is a humanized monoclonal antibody to α4β1 integrin and is approved for the treatment of Multiple Sclerosis. In patients there is a great variation in drug response and there is much evidence that genetic contributors play an important role in defining an individual's susceptibility. Natalizumab binds to α4-residues Gln-152, Lys-201, Lys256, and these seem to be essential for its activity. Studies on a range of species in disease model have showed a loss of reactivity when any one of those three residues were different to human...
July 18, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28730464/genome-wide-association-mapping-of-canopy-wilting-in-diverse-soybean-genotypes
#9
Avjinder S Kaler, Jeffery D Ray, William T Schapaugh, C Andy King, Larry C Purcell
Genome-wide association analysis identified 61 SNP markers for canopy wilting, which likely tagged 51 different loci. Based on the allelic effects of the significant SNPs, the slowest and fastest wilting genotypes were identified. Drought stress is a major global constraint for crop production, and slow canopy wilting is a promising trait for improving drought tolerance. The objective of this study was to identify genetic loci associated with canopy wilting and to confirm those loci with previously reported canopy wilting QTLs...
July 20, 2017: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/28725234/major-novel-qtl-for-resistance-to-cassava-bacterial-blight-identified-through-a-multi-environmental-analysis
#10
Johana C Soto Sedano, Rubén E Mora Moreno, Boby Mathew, Jens Léon, Fabio A Gómez Cano, Agim Ballvora, Camilo E López Carrascal
Cassava, Manihot esculenta Crantz, has been positioned as one of the most promising crops world-wide representing the staple security for more than one billion people mainly in poor countries. Cassava production is constantly threatened by several diseases, including cassava bacterial blight (CBB) caused by Xanthomonas axonopodis pv. manihotis (Xam), it is the most destructive disease causing heavy yield losses. Here, we report the detection and localization on the genetic map of cassava QTL (Quantitative Trait Loci) conferring resistance to CBB...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28724417/examining-the-role-of-unmeasured-confounding-in-mediation-analysis-with-genetic-and-genomic-applications
#11
Sharon M Lutz, Annie Thwing, Sarah Schmiege, Miranda Kroehl, Christopher D Baker, Anne P Starling, John E Hokanson, Debashis Ghosh
BACKGROUND: In mediation analysis if unmeasured confounding is present, the estimates for the direct and mediated effects may be over or under estimated. Most methods for the sensitivity analysis of unmeasured confounding in mediation have focused on the mediator-outcome relationship. RESULTS: The Umediation R package enables the user to simulate unmeasured confounding of the exposure-mediator, exposure-outcome, and mediator-outcome relationships in order to see how the results of the mediation analysis would change in the presence of unmeasured confounding...
July 19, 2017: BMC Bioinformatics
https://www.readbyqxmd.com/read/28724063/evaluation-of-genetic-diversity-and-host-resistance-to-stem-rust-in-usda-nsgc-durum-wheat-accessions
#12
Shiaoman Chao, Matthew N Rouse, Maricelis Acevedo, Agnes Szabo-Hever, Harold Bockelman, J Michael Bonman, Elias Elias, Daryl Klindworth, Steven Xu
The USDA-ARS National Small Grains Collection (NSGC) maintains germplasm representing global diversity of small grains and their wild relatives. To evaluate the utility of the NSGC durum wheat ( L. ssp. ) accessions, we assessed genetic diversity and linkage disequilibrium (LD) patterns in a durum core subset containing 429 lines with spring growth habit originating from 64 countries worldwide. Genetic diversity estimated using wheat single-nucleotide polymorphism (SNP) markers showed considerable diversity captured in this collection...
July 2017: Plant Genome
https://www.readbyqxmd.com/read/28720099/association-between-genome-wide-copy-number-variation-and-arsenic-induced-skin-lesions-a-prospective-study
#13
Muhammad G Kibriya, Farzana Jasmine, Faruque Parvez, Maria Argos, Shantanu Roy, Rachelle Paul-Brutus, Tariqul Islam, Alauddin Ahmed, Muhammad Rakibuz-Zaman, Justin Shinkle, Vesna Slavkovich, Joseph H Graziano, Habibul Ahsan
BACKGROUND: Exposure to arsenic in drinking water is a global health problem and arsenic-induced skin lesions are hallmark of chronic arsenic toxicity. We and others have reported germline genetic variations as risk factors for such skin lesions. The role of copy number variation (CNV) in the germline DNA in this regard is unknown. METHODS: From a large prospectively followed-up cohort, exposed to arsenic, we randomly selected 2171 subjects without arsenic-induced skin lesions at enrollment and genotyped their whole blood DNA samples on Illumina Cyto12v2...
July 18, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/28719597/pharmacogenomics-study-of-thiazide-diuretics-and-qt-interval-in-multi-ethnic-populations-the-cohorts-for-heart-and-aging-research-in-genomic-epidemiology
#14
A A Seyerle, C M Sitlani, R Noordam, S M Gogarten, J Li, X Li, D S Evans, F Sun, M A Laaksonen, A Isaacs, K Kristiansson, H M Highland, J D Stewart, T B Harris, S Trompet, J C Bis, G M Peloso, J A Brody, L Broer, E L Busch, Q Duan, A M Stilp, C J O'Donnell, P W Macfarlane, J S Floyd, J A Kors, H J Lin, R Li-Gao, T Sofer, R Méndez-Giráldez, S R Cummings, S R Heckbert, A Hofman, I Ford, Y Li, L J Launer, K Porthan, C Newton-Cheh, M D Napier, K F Kerr, A P Reiner, K M Rice, J Roach, B M Buckley, E Z Soliman, R de Mutsert, N Sotoodehnia, A G Uitterlinden, K E North, C R Lee, V Gudnason, T Stürmer, F R Rosendaal, K D Taylor, K L Wiggins, J G Wilson, Y-DI Chen, R C Kaplan, K Wilhelmsen, L A Cupples, V Salomaa, C van Duijn, J W Jukema, Y Liu, D O Mook-Kanamori, L A Lange, R S Vasan, A V Smith, B H Stricker, C C Laurie, J I Rotter, E A Whitsel, B M Psaty, C L Avery
Thiazide diuretics, commonly used antihypertensives, may cause QT interval (QT) prolongation, a risk factor for highly fatal and difficult to predict ventricular arrhythmias. We examined whether common single-nucleotide polymorphisms (SNPs) modified the association between thiazide use and QT or its component parts (QRS interval, JT interval) by performing ancestry-specific, trans-ethnic and cross-phenotype genome-wide analyses of European (66%), African American (15%) and Hispanic (19%) populations (N=78 199), leveraging longitudinal data, incorporating corrected standard errors to account for underestimation of interaction estimate variances and evaluating evidence for pathway enrichment...
July 18, 2017: Pharmacogenomics Journal
https://www.readbyqxmd.com/read/28715704/oxytocin-receptor-gene-polymorphisms-attachment-and-ptsd-results-from-the-national-health-and-resilience-in-veterans-study
#15
Lauren M Sippel, Shizhong Han, Laura E Watkins, Ilan Harpaz-Rotem, Steven M Southwick, John H Krystal, Miranda Olff, Richard Sherva, Lindsay A Farrer, Henry R Kranzler, Joel Gelernter, Robert H Pietrzak
The human oxytocin system is implicated in social behavior and stress recovery. Polymorphisms in the oxytocin receptor gene (OXTR) may interact with attachment style to predict stress-related psychopathology like posttraumatic stress disorder (PTSD). The objective of this study was to examine independent and interactive effects of the OXTR single nucleotide polymorphism (SNP) rs53576, which has been associated with stress reactivity, support-seeking, and PTSD in prior studies, and attachment style on risk for PTSD in a nationally representative sample of 2163 European-American (EA) U...
July 8, 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/28713926/association-between-tnfsf4-and-blk-gene-polymorphisms-and-susceptibility-to-allergic-rhinitis
#16
Yang Shen, Yun Liu, Xiao-Qiang Wang, Xia Ke, Hou-Yong Kang, Su-Ling Hong
Allergic rhinitis (AR) is a common inflammatory disease of the upper airway. Recent evidence suggests that gene‑gene interactions between tumor necrosis factor receptor superfamily 4 (TNFSF4) and B cell lymphocyte kinase (BLK) may have a synergistic effect on T and B cells in determining immunologic aberration, via the nuclear factor‑κB pathway. The present study was performed to evaluate the potential association between specific single nucleotide polymorphisms (SNPs) in the TNFSF4 and BKL genes with susceptibility to AR in Chinese subjects...
September 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28713270/evaluation-of-selected-cyp51a1-polymorphisms-in-view-of-interactions-with-substrate-and-redox-partner
#17
Tadeja Režen, Iza Ogris, Marko Sever, Franci Merzel, Simona Golic Grdadolnik, Damjana Rozman
Cholesterol is essential for development, growth, and maintenance of organisms. Mutations in cholesterol biosynthetic genes are embryonic lethal and few polymorphisms have been so far associated with pathologies in humans. Previous analyses show that lanosterol 14α-demethylase (CYP51A1) from the late part of cholesterol biosynthesis has only a few missense mutations with low minor allele frequencies and low association with pathologies in humans. The aim of this study is to evaluate the role of amino acid changes in the natural missense mutations of the hCYP51A1 protein...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28711952/polymorphic-variants-of-antioxidative-defense-enzymes-and-their-gene-gene-epistatic-interactions-in-systemic-lupus-erythematode-patients
#18
Tatjana Jevtovic Stoimenov, Milena Despotovic, Sonja Stojanovic, Jelena Basic, Dušica Pavlovic
Systemic lupus erythematosus (SLE) is a chronic autoimmune disease in which pathogenesis oxidative stress has an important role. Single nucleotide polymorphisms (SNPs) in the genes that code enzymes involved in the antioxidative defense are possible factors that are responsible for their decreased activity of antioxidative defense enzymes. Thus, the aim of the study was to examine association of SNPs in these genes with SLE. A total of176 subjects were involved in this study. CAT A-21T (rs7943316), CAT C-262T (rs1001139) and manganese SOD (MnSOD) Ala16Val (rs4880) SNPs were determined using PCR-RFLP method, while GSTT1 and GSTM1 were determined using multiplex PCR...
July 15, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28710909/evaluation-of-the-interaction-between-genetic-variants-of-gad1-and-mirna-in-bipolar-disorders
#19
Yu-Chu Ella Chung, Shao-Chien Chen, Li-Chung Chuang, Wei-Liang Shih, Yi-Hang Chiu, Mong-Liang Lu, Hsi-Chung Chen, Po-Hsiu Kuo
BACKGROUND: Glutamic acid dehydrogenase 1 (GAD1) serves as the rate-limiting enzyme for synthesizing GABA, and is reported to be associated with several psychiatric disorders. The present study examined the effects of GAD1 genetic variants on bipolar disorder (BD) and its subtypes. Moreover, we investigated functional interactions between genetic variants and miRNAs via algorithm prediction and experimental validation. METHODS: A case-control study was conducted with 280 BD patients and 200 healthy controls...
July 10, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28707126/estrogen-receptor-alpha-gene-esr1-polymorphism-and-its-interaction-with-smoking-and-drinking-contribute-to-susceptibility-of-systemic-lupus-erythematosus
#20
Aihong Zhou, Xin Liu, Tao Xia, Fang Li, Jibo Wang, Jun Li
The aim of this study is to investigate the association of estrogen receptor alpha gene (ESR1) polymorphisms, additional gene-gene, and gene-environment interaction with systemic lupus erythematosus (SLE) risk. SNPStats (available online at http://bioinfo.iconcologia.net/SNPstats ) was used to investigate the Hardy-Weinberg equilibrium (HWE) in controls and association between SNP and SLE risk. Generalized multifactor dimensionality reduction (GMDR) was used to screen the interactions among SNPs and environmental risk factors; SLE risk was significantly higher in carriers of rs2234693 C allele than those with TT (TC + CC versus TT), adjusted OR (95%CI) = 1...
July 13, 2017: Immunologic Research
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