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https://www.readbyqxmd.com/read/28339549/further-investigation-of-a-quantitative-trait-locus-for-ascites-on-chromosome-9-in-broiler-chicken-lines
#1
Shatovisha Dey, Sriram Krishna, Nicholas B Anthony, Douglas D Rhoads
Previously, we reported a genome wide association study (GWAS) that had shown association of a region between 11.8 and 13.6 Mbp on chromosome 9 with ascites phenotype in broilers. We had used microsatellite loci to demonstrate an association of particular genotypes for this region with ascites in experimental ascites lines and commercial broiler breeder lines. We identified two potential candidate genes, AGTR1 and UTS2D, within that chromosomal region for mediating the quantitative effect. We have now extended our analysis using SNPs for these genes to assess association with resistance or susceptibility to ascites in these same broiler lines...
October 10, 2016: Poultry Science
https://www.readbyqxmd.com/read/28271690/genetic-variation-in-the-renin-angiotensin-system-and-diabetic-nephropathy-in-the-tunisian-population
#2
Amira Moussa, Sonia Triki, Haithem Hamdouni, Ons Fekih, Marwa Ajmi, Ibtihel B hajMbarek, Afifa Koubaa, Fadoua Neffati, Asma Omezzine, Med-Fadhel Najjar, Ali Bouslama
BACKGROUND: The aim of this study was to evaluate the association of ACE, angiotensinogen (AGT) and angiotensin II receptor type I (AGTR1) polymorphisms with diabetic nephropathy (DN) in Tunisians. METHODS: The study population comprised 236 type 2 diabetic patients: with nephropathy (DN = 47) and without nephropathy (DM = 189). Genotyping of ACE-I/D-rs1799752, ACE-rs4343G>A, AGT-rs5050A>C, AGT-rs 4762C>T, AGT-rs699A>G, and AGTR1-rs5186A>C was performed by PCR-RFLP...
March 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/28178311/an-integrative-study-on-the-impact-of-highly-differentially-methylated-genes-on-expression-and-cancer-etiology
#3
Bugra Ozer, Ugur Sezerman
DNA methylation is an important epigenetic phenomenon that plays a key role in the regulation of expression. Most of the studies on the topic of methylation's role in cancer mechanisms include analyses based on differential methylation, with the integration of expression information as supporting evidence. In the present study, we sought to identify methylation-driven patterns by also integrating protein-protein interaction information. We performed integrative analyses of DNA methylation, expression, SNP and copy number data on paired samples from six different cancer types...
2017: PloS One
https://www.readbyqxmd.com/read/28135625/histone-demethylase-kdm3a-a-novel-regulator-of-vascular-smooth-muscle-cells-controls-vascular-neointimal-hyperplasia-in-diabetic-rats
#4
Jing Chen, Jing Zhang, Jian Yang, Lin Xu, Qi Hu, Changwu Xu, Shuo Yang, Hong Jiang
BACKGROUND AND AIMS: Deregulation of histone demethylase KDM3a, an important regulator for H3K9 methylation, is correlated with obesity and abnormal metabolism in rodent models. However, the function of KDM3a in vascular remodeling under diabetic condition is unknown. METHODS: Adenoviruses expressing KDM3a and lentiviruses expressing KDM3a-targeting siRNA were generated to study the role of KDM3a both in vivo and in vitro. The carotid artery balloon injury model was established in diabetic SD rats to evaluate the significance of KDM3a in vascular injury...
February 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28120210/renin-angiotensin-system-gene-polymorphisms-as-potential-modifiers-of-hypertrophic-and-dilated-cardiomyopathy-phenotypes
#5
Bindu Rani, Amit Kumar, Ajay Bahl, Rajni Sharma, Rishikesh Prasad, Madhu Khullar
The renin-angiotensin (RAS) pathway has an important role in the etiology of heart failure and given the importance of RAS as a therapeutic target in various cardiomyopathies, genetic polymorphisms in the RAS genes may modulate the risk and severity of disease in cardiomyopathy patients. In the present study, we examined the association of RAS pathway gene polymorphisms, angiotensin converting enzyme (ACE), angiotensinogen (AGT), and angiotensin receptor type 1 (AGTR1) with risk and disease severity in Asian Indian idiopathic cardiomyopathy patients...
March 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28073349/the-mir-34a-5p-promotes-the-multi-chemoresistance-of-osteosarcoma-via-repression-of-the-agtr1-gene
#6
Youguang Pu, Fangfang Zhao, Yinpeng Li, Mingda Cui, Haiyan Wang, Xianghui Meng, Shanbao Cai
BACKGROUND: Chemoresistance hinders the curative cancer chemotherapy. MicroRNAs (miRNAs) are key players in diverse biological processes including the chemoresistance of cancers. METHODS: A RNA-seq-based miR-omic analysis of osteosarcoma (OS) cells was performed to detect the levels of miR-34a-5p. Bioinformatics analysis revealed that AGTR1 is one of the target genes of miR-34a-5p. The mRNA and protein levels of AGTR1 were detected in both the miR-34a-5p-mimic transfected G-292 and miR-34a-5p-antagomiR transfected SJSA-1 cells...
January 10, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28011284/phosphorylation-of-tudor-sn-a-novel-substrate-of-jnk-is-involved-in-the-efficient-recruitment-of-tudor-sn-into-stress-granules
#7
Chao Su, Xingjie Gao, Wendong Yang, Yali Zhao, Xue Fu, Xiaoteng Cui, Chunyan Zhang, Lingbiao Xin, Yuanyuan Ren, Lixin Li, Wenqing Shui, Xi Yang, Minxin Wei, Jie Yang
Posttranslational modifications of certain stress granule (SG) proteins are closely related to the assembly of SGs, a type of cytoplasmic foci structure. Our previous studies revealed that the Tudor staphylococcal nuclease (Tudor-SN) protein participates in the formation of SGs. However, the functional significance of potential Tudor-SN modifications during stress has not been reported. In this study, we demonstrated that the Tudor-SN protein was phosphorylated at threonine 103 (T103) upon stimulation with arsenite...
December 21, 2016: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/27994858/renal-tubular-dysgenesis-antenatal-ultrasound-scanning-and-molecular-investigations-in-a-saudi-arabian-family
#8
Mohamed H Al-Hamed, Wesam Kurdi, Nada Alsahan, Qaamariya Ambosaidi, Maha Tulbah, John A Sayer
Autosomal recessive renal tubular dysgenesis (RTD) is a rare lethal disease affecting renal development before birth. RTD is manifested by anuria and severe hypotension resulting in oligohydramnios and birth defects known as Potter's syndrome. Homozygous or compound heterozygous mutations in genes encoding components of the renin-angiotensin system (ACE, AGT, AGTR1 and REN) have been reported to cause RTD. A consanguineous family with a history of multiple stillbirths was investigated using prenatal ultrasound and molecular genetic analysis of an affected foetus...
December 2016: Clinical Kidney Journal
https://www.readbyqxmd.com/read/27988909/estimation-of-the-relationship-between-the-polymorphisms-of-selected-genes-ace-agtr1-tgf%C3%AE-1-and-gnb3-with-the-occurrence-of-primary-vesicoureteral-reflux
#9
Marcin Życzkowski, Joanna Żywiec, Krzysztof Nowakowski, Andrzej Paradysz, Władyslaw Grzeszczak, Janusz Gumprecht
PURPOSE: Etiopathogenesis of VUR is composite and not fully understood. Many data indicate the importance of genetic predisposition. The aim of this study was to establish the relationship of selected polymorphisms: 14094 polymorphism of the ACE, polymorphism rs1800469 of TGFβ-1, rs5443 gene polymorphism of the GNB3 and receptor gene polymorphism rs5186 type 1 AGTR1 with the occurrence of the primary vesicoureteral reflux. MATERIAL: The study included 190 children: 90 with the primary VUR confirmed with the voiding cystourethrogram and excluded secondary VUR and a control group of 100 children without a history of the diseases of the genitourinary tract...
March 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/27956412/expression-of-renin-angiotensin-system-ras-components-in-endometrial-cancer
#10
Sarah J Delforce, Eugenie R Lumbers, Celine Corbisier de Meaultsart, Yu Wang, Anthony Proietto, Geoffrey Otton, Jim Scurry, Nicole M Verrills, Rodney J Scott, Kirsty G Pringle
A dysfunctional endometrial renin-angiotensin system (RAS) could aid the growth and spread of endometrial cancer. To determine if the RAS is altered in endometrial cancer, we measured RAS gene expression and protein levels in 30 human formalin-fixed, paraffin-embedded (FFPE) endometrioid carcinomas and their adjacent endometrium. All components of the RAS were expressed in most tumours and in adjacent endometrium; mRNA levels of (pro)renin receptor (ATP6AP2), angiotensin II type 1 receptor (AGTR1), angiotensin-converting enzyme (ACE1) and angiotensin-converting enzyme 2 (ACE2) mRNA levels were greater in tumour tissue than adjacent non-cancerous endometrium (P = 0...
January 2017: Endocrine Connections
https://www.readbyqxmd.com/read/27940662/deep-targeted-exon-sequencing-reveals-renal-polymorphisms-associate-with-postexercise-hypotension-among-african-americans
#11
Linda S Pescatello, Elizabeth D Schifano, Garrett I Ash, Gregory A Panza, Lauren Lamberti, Ming-Hui Chen, Ved Deshpande, Amanda Zaleski, Paulo Farinatti, Beth A Taylor, Paul D Thompson
We found variants from the Angiotensinogen-Converting Enzyme (ACE), Angiotensin Type 1 Receptor (AGTR1), Aldosterone Synthase (CYP11B2), and Adducin (ADD1) genes exhibited intensity-dependent associations with the ambulatory blood pressure (BP) response following acute exercise, or postexercise hypotension (PEH). In a validation cohort, we sequenced exons from these genes for their associations with PEH Obese (30.9 ± 3.6 kg m(-2)) adults (n = 23; 61% African Americans [AF], 39% Caucasian) 42.0 ± 9...
October 2016: Physiological Reports
https://www.readbyqxmd.com/read/27936341/single-nucleotide-polymorphism-of-adiponectin-276-g-t-is-associated-with-the-susceptibility-to-essential-hypertension-in-a-turkish-population
#12
Ayşe Kevser Demir, Süheyla Uzun Kaya, Şafak Şahin, İsmail Benli, İlknur Bütün, Ertuğrul Erken, Turker Tasliyurt
BACKGROUND: It is well known that arterial stiffness is associated with hypertension. Recent studies have shown that adiponectin +276 G/T, ACE I/D, AGTR1 A1166C, and eNOS E298D polymorphisms are likely to be risk factors for arterial stiffness. In this study, we aimed to investigate possible associations between these single-nucleotide polymorphisms (SNPs) and essential hypertension in a Turkish population. METHODS: The study population consisted of 170 patients who were diagnosed with essential hypertension and 170 sex- and age-matched controls...
2016: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/27923785/genetic-determination-of-the-vascular-reactions-in-humans-in-response-to-the-diving-reflex
#13
Tatiana I Baranova, Dmitrii N Berlov, Oleg S Glotov, Ekaterina A Korf, Alexey D Minigalin, Alla V Mitrofanova, Ildus I Ahmetov, Andrey S Glotov
The purpose of this study was to investigate the genetic mechanisms of the defense vascular reactions in response to the diving reflex in humans with polymorphisms in the genes ADBR2, ACE, AGTR1, BDKRB2, and REN We hypothesized that protective vascular reactions, in response to the diving reflex, are genetically determined and are distinguished in humans with gene polymorphisms of the renin-angiotensin and kinin-bradykinin system. A total of 80 subjects (19 ± 1.4 yr) participated in the study. The intensity of the vascular response was estimated using photoplethysmogram...
March 1, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/27910864/renin-angiotensin-aldosterone-system-gene-polymorphisms-in-gestational-hypertension-and-preeclampsia-a-case-control-gene-association-study
#14
Xun Li, Hongzhuan Tan, Shujin Zhou, Shimin Hu, Tianyi Zhang, Yangfen Li, Qianru Dou, Zhiwei Lai, Fenglei Chen
Pregnancy-induced hypertension (PIH, including preeclampsia [PE] and gestational hypertension [GH]) and cardiovascular diseases (CVDs) have some metabolic changes and risk factors in common. Many studies have reported associations between single nucleotide polymorphisms (SNPs) of renin-angiotensin-aldosterone system (RAAS) genes and CVDs (particularly hypertension), and their findings have provided candidate SNPs for research on genetic correlates of PIH. We explored the association between hypertension-related RAAS SNPs and PIH in a Chinese population...
December 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27864612/secretory-products-from-epicardial-adipose-tissue-from-patients-with-type-2-diabetes-impair-mitochondrial-%C3%AE-oxidation-in-cardiomyocytes-via-activation-of-the-cardiac-renin-angiotensin-system-and-induction-of-mir-208a
#15
Marcel Blumensatt, Pia Fahlbusch, Rebecca Hilgers, Marlies Bekaert, Daniella Herzfeld de Wiza, Payam Akhyari, Johannes B Ruige, D Margriet Ouwens
Secretory products from epicardial adipose tissue (EAT) from patients with type 2 diabetes (T2D) impair cardiomyocyte function. These changes associate with alterations in miRNA expression, including the induction of miR-208a. Recent studies suggest that activation of the cardiac-specific renin-angiotensin system (RAS) may affect cardiac energy metabolism via induction of miR-208a. This study investigated whether cardiomyocyte dysfunction induced by conditioned media (CM) from EAT-T2D involves activation of the RAS/miR-208a pathway...
January 2017: Basic Research in Cardiology
https://www.readbyqxmd.com/read/27813367/lipopolysaccharides-but-not-angiotensin-ll-lnduces-direct-pro-lnflammatory-effects-in-cultured-mouse-arteries-and-human-endothelial-and-vascular-smooth-muscle-cells
#16
Emilie M Outzen, Marina Zaki, Rahila Mehryar, Bahareh Abdolalizadeh, Waseem Sajid, Harrie C M Boonen, Anette Sams, Majid Sheykhzade
Angiotensin II (Ang II) might induce pro-inflammatory effects directly in the vascular wall independently of its haemodynamic effects. The aim of our study was to investigate the putative direct pro-inflammatory and vasomotor effects of Ang II and compare to those of lipopolysaccharides (LPS) in mouse isolated mesenteric resistance-sized arteries (MRA) supported by experiments in cultured human primary endothelial and vascular smooth muscle cells. Results showed that 24-hr organ culture of mouse MRA with 10 nM Ang II had, unlike 100 ng/mL LPS, no effects on IL-6 or MCP-1 secretion, VCAM1 mRNA expression or endothelial function, while Ang II significantly decreased maximal vasomotor responses to phenylephrine...
April 2017: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/27775788/local-bone-marrow-renin-angiotensin-system-in-the-genesis-of-leukemia-and-other-malignancies
#17
I C Haznedaroglu, U Y Malkan
The existence of a local renin-angiotensin system (RAS) specific to the hematopoietic bone marrow (BM) microenvironment had been proposed two decades ago. Most of the RAS molecules including ACE, ACE2, AGT, AGTR1, AGTR2, AKR1C4, AKR1D1, ANPEP, ATP6AP2, CMA1, CPA3, CTSA, CTSD, CTSG, CYP11A1, CYP11B1, CYP11B2, CYP17A1, CYP21A2, DPP3, EGFR, ENPEP, GPER, HSD11B1, HSD11B2, IGF2R, KLK1, LNPEP, MAS1, MME, NR3C1, NR3C2, PREP, REN, RNPEP, and THOP1 are locally present in the BM microenvironment. Local BM RAS peptides control the hematopoietic niche, myelopoiesis, erythropoiesis, thrombopoiesis and the development of other cellular lineages...
October 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27759448/toward-optimal-set-of-single-nucleotide-polymorphism-investigation-before-ivf
#18
A V Ivanov, A G Dedul, Y N Fedotov, E V Komlichenko
BACKGROUND: At present, the patient preparation for IVF needs to undergo a series of planned tests, including the genotyping of single nucleotide polymorphism (SNP) alleles of some genes. In former USSR countries, such investigation was not included in overwhelming majority of health insurance programs and paid by patient. In common, there are prerequisites to the study of more than 50 polymorphisms. An important faced task is to determine the optimal panel for SNP genotyping in terms of price/number of SNP...
October 2016: Gynecological Endocrinology
https://www.readbyqxmd.com/read/27756246/identification-of-potential-candidate-genes-for-hypertensive-nephropathy-based-on-gene-expression-profile
#19
Zhi Chen, Hao Wu, Guohua Wang, Ye Feng
BACKGROUND: This study was aimed to explore the molecular mechanisms of hypertensive nephropathy (HTN). METHODS: Gene expression profile of GSE37460, which based on 27 healthy living donor samples (HTN group) and 15 hypertensive nephropathy samples (control group), were downloaded from Gene Expression Omnibus (GEO) database. The differentially expressed genes (DEGs) between two groups were identified. STRING database was used to reveal protein-protein interaction (PPI) network of DEGs, followed by the functional enrichment analysis of the PPI network...
October 18, 2016: BMC Nephrology
https://www.readbyqxmd.com/read/27753954/os-08-04-epistatic-and-sex-dependent-association-analyses-of-genes-of-the-renin-angiotensin-aldosterone-system-and-blood-pressure-in-families
#20
Stephen Harrap, Katrina Scurrah, Angela Lamantia, Justine Ellis
OBJECTIVE: Genes encoding key elements of the renin-angiotensin-aldosterone system (RAAS) cascade have been previously but inconsistently associated with blood pressure. Sex-dependency might be important here and functional genetic polymorphisms might exhibit epistatic effects. DESIGN AND METHOD: We assessed variation in the genes encoding renin (REN), angiotensinogen (AGT), angiotensin converting enzyme (ACE), angiotensin II type 1 receptor (AGTR1) and aldosterone synthase (CYP11B2)...
September 2016: Journal of Hypertension
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