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Daehn IS, Duffield JS. The glomerular filtration barrier: a structural target for novel kidney therapies. Nat Rev Drug Discov 2021; 20:770-788. [PMID: 34262140 PMCID: PMC8278373 DOI: 10.1038/s41573-021-00242-0] [Citation(s) in RCA: 93] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/28/2021] [Indexed: 12/19/2022]
Abstract
Loss of normal kidney function affects more than 10% of the population and contributes to morbidity and mortality. Kidney diseases are currently treated with immunosuppressive agents, antihypertensives and diuretics with partial but limited success. Most kidney disease is characterized by breakdown of the glomerular filtration barrier (GFB). Specialized podocyte cells maintain the GFB, and structure-function experiments and studies of intercellular communication between the podocytes and other GFB cells, combined with advances from genetics and genomics, have laid the groundwork for a new generation of therapies that directly intervene at the GFB. These include inhibitors of apolipoprotein L1 (APOL1), short transient receptor potential channels (TRPCs), soluble fms-like tyrosine kinase 1 (sFLT1; also known as soluble vascular endothelial growth factor receptor 1), roundabout homologue 2 (ROBO2), endothelin receptor A, soluble urokinase plasminogen activator surface receptor (suPAR) and substrate intermediates for coenzyme Q10 (CoQ10). These molecular targets converge on two key components of GFB biology: mitochondrial function and the actin-myosin contractile machinery. This Review discusses therapies and developments focused on maintaining GFB integrity, and the emerging questions in this evolving field.
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Affiliation(s)
- Ilse S Daehn
- Department of Medicine, Division of Nephrology, The Icahn School of Medicine at Mount Sinai, New York, NY, USA.
| | - Jeremy S Duffield
- Research and Development, Prime Medicine, Cambridge, MA, USA. .,Department of Medicine, University of Washington, Seattle, WA, USA. .,Department of Medicine, Massachusetts General Hospital, Boston, MA, USA.
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Grakova EV, Shilov SN, Kopeva KV, Berezikova EN, Popova AA, Neupokoeva MN, Ratushnyak ET, Teplyakov AT. Anthracycline-Induced Cardiotoxicity: The Role of Endothelial Dysfunction. Cardiology 2021; 146:315-323. [PMID: 33596565 DOI: 10.1159/000512771] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2020] [Accepted: 09/26/2020] [Indexed: 11/19/2022]
Abstract
Cardiovascular disease remains the leading cause of mortality accounting up to 40% of all deaths, but, currently, cancer is prominent cause of death globally. Anthracyclines are the cornerstone of chemotherapy in women with breast cancer. However, its clinical use is limited by their cardiotoxic effects that can trigger heart failure development. Vascular toxicity of chemotherapy may be linked with endothelial dysfunction because anthracycline damage of endothelial cells can lead to the development and progression of cardiomyopathy by decreasing the release and activity of endothelial factors and, ultimately, endothelial cell death. These processes suppress anti-inflammatory and vascular reparative functions and initiate the development of future cardiovascular events. Recent studies have shown that chemotherapy may induce toxicity in the vascular endothelium and is accompanied by systemic endothelial dysfunction in patients with diagnosed cardiovascular diseases. Because the initial endothelial cell insult is likely asymptomatic, there is often a long delay between the termination of doxorubicin therapy and the onset of vascular disorders. In this case, genetic susceptibility factor will help to identify susceptible patients in the future. The objectives of this study were to evaluate prognostic role of molecular (endothelin-1) and genetic factors (gene polymorphisms of endothelial nitric oxide (NO) synthase (NOS3, rs1799983), endothelin-1 receptor type A (EDNRA, C+70G, rs5335) and NADPH oxidase (C242T, rs4673) in development of endothelial dysfunction and anthracycline-induced cardiotoxicity in women without cardiovascular diseases.
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Affiliation(s)
- Elena V Grakova
- Department of Myocardial Pathology, Tomsk National Research Medical Center of the Russian Academy of Sciences, Cardiology Research Institute, Tomsk, Russian Federation
| | - Sergey N Shilov
- Department of Pathological Physiology and Clinical Pathophysiology, Novosibirsk State Medical University, Novosibirsk, Russian Federation
| | - Kristina V Kopeva
- Department of Myocardial Pathology, Tomsk National Research Medical Center of the Russian Academy of Sciences, Cardiology Research Institute, Tomsk, Russian Federation,
| | - Ekaterina N Berezikova
- Department of Pathological Physiology and Clinical Pathophysiology, Novosibirsk State Medical University, Novosibirsk, Russian Federation
| | - Anna A Popova
- Department of Pathological Physiology and Clinical Pathophysiology, Novosibirsk State Medical University, Novosibirsk, Russian Federation
| | - Maria N Neupokoeva
- Department of Pathological Physiology and Clinical Pathophysiology, Novosibirsk State Medical University, Novosibirsk, Russian Federation
| | - Elena T Ratushnyak
- Department of Pathological Physiology and Clinical Pathophysiology, Novosibirsk State Medical University, Novosibirsk, Russian Federation
| | - Alexander T Teplyakov
- Department of Myocardial Pathology, Tomsk National Research Medical Center of the Russian Academy of Sciences, Cardiology Research Institute, Tomsk, Russian Federation
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Schutte DL, Mukhopadhyay N, Holwerda T, Sluka K, Rakel B, Govil M. Genetic Predictors of Knee Pain in Persons With Mild to Moderate Osteoarthritis. Res Gerontol Nurs 2020; 13:1-12. [PMID: 32286672 DOI: 10.3928/19404921-20200312-01] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Accepted: 10/28/2019] [Indexed: 11/20/2022]
Abstract
The purpose of this study was to examine genetic variability and knee pain in persons with osteoarthritis (OA). Seventy-five participants with medial compartment knee OA were recruited from a large Midwestern tertiary care center. Participants exhibited a mean age of 56.3 years; females comprised 61% of the sample. Measures of pain included subjective pain intensity at rest and with movement, cutaneous mechanical sensation and pain testing, heat pain threshold, and pressure pain threshold. Seventy-four participants were genotyped for 25 genetic variants across 15 candidate genes for central or peripheral pain pathways. Analysis suggests a role for four genes (EDNRA, COMT, BDRKB1, and IL1B) in several components of pain in persons with knee OA. The results from this study will help guide the development and evaluation of tailored strategies to decrease pain, improve function, and prevent the development of new chronic pain syndromes in older adults experiencing OA. [Research in Gerontological Nursing, xx(x), xx-xx.].
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Govil M, Mukhopadhyay N, Holwerda T, Sluka K, Rakel B, Schutte DL. Effects of genotype on TENS effectiveness in controlling knee pain in persons with mild to moderate osteoarthritis. Eur J Pain 2019; 24:398-412. [PMID: 31661578 DOI: 10.1002/ejp.1497] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Revised: 10/11/2019] [Accepted: 10/25/2019] [Indexed: 11/07/2022]
Abstract
BACKGROUND This study examined the extent to which genetic variability modifies Transcutaneous Electrical Nerve Stimulation (TENS) effectiveness in osteoarthritic knee pain. METHODS Seventy-five participants with knee osteoarthritis were randomly assigned to either: (a) High-frequency TENS, (b) Low-frequency TENS or (c) Transient Placebo TENS. Pain measures were collected pre- and post-treatment. Participants were genotyped on genes implicated in central or peripheral pain pathways: NGFB, NTRK1, EDNRA, EDNRB, EDN1, OPRM1, TAC1, TACR1, BDNF, BDKRB1, 5HTT, COMT, ESR2, IL6 and IL1B. Genetic association using linear regression modelling was performed separately for the transient placebo TENS subjects, and within the High-frequency TENS + Low-frequency TENS participants, including TENS level as a covariate. RESULTS In the placebo group, SNPs rs165599 (COMT) was significantly associated with an increased heat pain threshold (β = -1.87; p = .003) and rs6827096 (EDNRA) with an increased resting pain (β = 2.68; p = .001). Within the treatment groups, TENS effectiveness was reduced by the SNP rs6537485 (EDNRA) minor allele in relationship to mechanical sensation (β = 184.13; p = 5.5E-9). Individuals with the COMT rs4680 minor allele reported lowered pain at rest after TENS (β = -42.30; p = .001), with a higher magnitude of pain reduction (28 unit difference) in the low-frequency TENS group compared to the high-frequency TENS group (β = 28.37; p = .0004). CONCLUSIONS EDNRA and COMT are implicated in osteoarthritic knee pain and provide a basis for tailoring TENS interventions according to individual characteristics. SIGNIFICANCE Findings from this study demonstrate that genetic variation within the COMT and EDNRA genes influences the effectiveness of TENS, a non-pharmacologic pain-reduction intervention, in the context of osteoarthritic knee pain. Evidence such as this may contribute to risk models that provide a clinically useful tool for personalizing TENS interventions according to individual characteristics in order to best control pain and maximize functional status.
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Affiliation(s)
- Manika Govil
- Department of Oral Biology, Center for Craniofacial and Dental Genetics, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Nandita Mukhopadhyay
- Department of Oral Biology, Center for Craniofacial and Dental Genetics, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Teri Holwerda
- Mary Free Bed Rehabilitation Spine Center, Grand Rapids, MI, USA
| | - Kathleen Sluka
- Graduate Program in Physical Therapy and Rehabilitation, The University of Iowa, Iowa City, IA, USA
| | - Barbara Rakel
- The University of Iowa College of Nursing, Iowa City, IA, USA
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Zeng Y, Chen R, Ma M, Liu B, Xia J, Xu H, Liu Y, Du X, Hu Z, Yang Q, Zhang L. Associations of EDNRA and EDNRB Polymorphisms with Intracerebral Hemorrhage. World Neurosurg 2019; 129:e472-e477. [PMID: 31150867 DOI: 10.1016/j.wneu.2019.05.186] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2019] [Revised: 05/20/2019] [Accepted: 05/22/2019] [Indexed: 12/19/2022]
Abstract
OBJECTIVE The most potent vasoconstrictor, endothelin-1 and its receptors, endothelin receptor A (EDNRA) and endothelin receptor B (EDNRB) are involved in hypertension. Hypertension is a major risk factor of intracerebral hemorrhage (ICH). Recent studies have demonstrated increased plasma endothelin-1 level in ICH patients and relationships between EDNRA and EDNRB genetic variants and ischemic stroke. The aim of the current study was to investigate whether EDNRA and EDNRB polymorphisms are associated with ICH by interacting with blood pressure levels. METHODS Five EDNRA and EDNRB polymorphisms were genotyped in this case-control study. RESULTS We identified that EDNRA rs5333 T allele might be a protective factor of ICH (adjusted odds ratio [OR] = 0.638, 95% CI: 0.417-0.977, P = 0.038), while EDNRB rs5351 A allele could be a risk factor of ICH (adjusted OR = 1.476, 95% CI: 1.042-2.089, P = 0.028). Moreover, we only found that the GG genotype of EDNRA rs5335 had higher diastolic blood pressure than the GC + CC genotypes in ICH patients (91.69 ± 18.77 vs. 84.71 ± 21.48, P = 0.004). CONCLUSIONS These findings support the important role of EDNRA and EDNRB polymorphisms in ICH, and suggest that they do not interact with blood pressure levels on altering ICH risk.
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Affiliation(s)
- Yi Zeng
- Department of Geriatrics, Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - RuiJuan Chen
- Department of Geriatrics, Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - MingMing Ma
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - BaoQiong Liu
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Jian Xia
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - HongWei Xu
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - YunHai Liu
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - XiaoPing Du
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - ZhiPing Hu
- Department of Neurology, Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - QiDong Yang
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Le Zhang
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan, China.
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Cuevas S, Villar VAM, Jose PA. Genetic polymorphisms associated with reactive oxygen species and blood pressure regulation. THE PHARMACOGENOMICS JOURNAL 2019; 19:315-336. [PMID: 30723314 PMCID: PMC6650341 DOI: 10.1038/s41397-019-0082-4] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/19/2017] [Revised: 10/19/2018] [Accepted: 12/21/2018] [Indexed: 02/08/2023]
Abstract
Hypertension is the most prevalent cause of cardiovascular disease and kidney failure, but only about 50% of patients achieve adequate blood pressure control, in part, due to inter-individual genetic variations in the response to antihypertensive medication. Significant strides have been made toward the understanding of the role of reactive oxygen species (ROS) in the regulation of the cardiovascular system. However, the role of ROS in human hypertension is still unclear. Polymorphisms of some genes involved in the regulation of ROS production are associated with hypertension, suggesting their potential influence on blood pressure control and response to antihypertensive medication. This review provides an update on the genes associated with the regulation of ROS production in hypertension and discusses the controversies on the use of antioxidants in the treatment of hypertension, including the antioxidant effects of antihypertensive drugs.
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Affiliation(s)
- Santiago Cuevas
- Center for Translational Science, Children's National Health System, 111 Michigan Avenue, NW, Washington, DC, 20010, USA.
| | - Van Anthony M Villar
- Department of Medicine, Division of Renal Diseases and Hypertension, The George Washington University School of Medicine and Health Sciences, Walter G. Ross Hall, Suite 738, 2300 I Street, NW, Washington, DC, 20052, USA
| | - Pedro A Jose
- Department of Medicine, Division of Renal Diseases and Hypertension, The George Washington University School of Medicine and Health Sciences, Walter G. Ross Hall, Suite 738, 2300 I Street, NW, Washington, DC, 20052, USA
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Griessenauer CJ, Starke RM, Foreman PM, Hendrix P, Harrigan MR, Fisher WS, Vyas NA, Lipsky RH, Lin M, Walters BC, Pittet JF, Mathru M. Associations between endothelin polymorphisms and aneurysmal subarachnoid hemorrhage, clinical vasospasm, delayed cerebral ischemia, and functional outcome. J Neurosurg 2018; 128:1311-1317. [DOI: 10.3171/2016.12.jns162594] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
OBJECTIVEEndothelin-1, a potent vasoconstrictor, and its receptors may be involved in the pathogenesis of aneurysmal subarachnoid hemorrhage (aSAH), clinical vasospasm, delayed cerebral ischemia (DCI), and functional outcome following aSAH. In the present study, common endothelin single nucleotide polymorphisms (SNPs) and their relation to aSAH were evaluated.METHODSBlood samples from all patients enrolled in the Cerebral Aneurysm Renin Angiotensin System (CARAS) study were used for genetic evaluation. The CARAS study prospectively enrolled patients with aSAH at 2 academic institutions in the US from 2012 to 2015. Common endothelin SNPs were detected using 5′ exonnuclease (TaqMan) genotyping assays. Analysis of associations between endothelin SNPs and aSAH and its clinical sequelae was performed.RESULTSSamples from 149 patients with aSAH and 50 controls were available for analysis. In multivariate logistic regression analysis, the TG (odds ratio [OR] 2.102, 95% confidence interval [CI] 1.048–4.218, p = 0.036) and TT genotypes (OR 7.884, 95% CI 1.003–61.995, p = 0.05) of the endothelin-1 T/G SNP (rs1800541) were significantly associated with aSAH. There was a dominant effect of the G allele (CG/GG genotypes; OR 4.617, 95% CI 1.311–16.262, p = 0.017) of the endothelin receptor A G/C SNP (rs5335) on clinical vasospasm. Endothelin SNPs were not associated with DCI or functional outcome.CONCLUSIONSCommon endothelin SNPs were found to be associated with presentation with aSAH and clinical vasospasm. Further studies are required to elucidate the relevant pathophysiology and its potential implications in the treatment of patients with aSAH.
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Affiliation(s)
| | - Robert M. Starke
- 2Department of Neurosurgery and Radiology, University of Miami, Florida
| | - Paul M. Foreman
- 3Department of Neurosurgery, University of Alabama at Birmingham, Alabama
| | - Philipp Hendrix
- 4Department of Neurosurgery, Saarland University Medical Center and Saarland University Faculty of Medicine, Homburg/Saar, Germany
| | - Mark R. Harrigan
- 3Department of Neurosurgery, University of Alabama at Birmingham, Alabama
| | - Winfield S. Fisher
- 3Department of Neurosurgery, University of Alabama at Birmingham, Alabama
| | - Nilesh A. Vyas
- 5Department of Neurosciences, Inova Health System, Falls Church, Virginia
| | - Robert H. Lipsky
- 5Department of Neurosciences, Inova Health System, Falls Church, Virginia
- 6Department of Molecular Neuroscience, George Mason University, Fairfax, Virginia; and
| | - Mingkuan Lin
- 6Department of Molecular Neuroscience, George Mason University, Fairfax, Virginia; and
| | - Beverly C. Walters
- 3Department of Neurosurgery, University of Alabama at Birmingham, Alabama
- 5Department of Neurosciences, Inova Health System, Falls Church, Virginia
- 6Department of Molecular Neuroscience, George Mason University, Fairfax, Virginia; and
| | | | - Mali Mathru
- 7Department of Anesthesiology, University of Alabama at Birmingham, Alabama
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Positive Association between EDN1 rs5370 (Lys198Asn) Polymorphism and Large Artery Stroke in a Ukrainian Population. DISEASE MARKERS 2018; 2018:1695782. [PMID: 29849817 PMCID: PMC5903200 DOI: 10.1155/2018/1695782] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/27/2017] [Revised: 01/11/2018] [Accepted: 02/12/2018] [Indexed: 01/05/2023]
Abstract
There are a lot of convincing evidences about the involvement of endothelin pathway proteins in the pathogenesis of atherosclerosis and its fatal complications. In this study, the analysis of a possible association between EDN1 rs5370 and EDNRA rs5335 gene polymorphisms and the risk of large artery stroke (LAS) in a Ukrainian population was conducted. 200 LAS patients and 200 unrelated controls were enrolled in a case-control study. The polymerase chain reaction-restriction fragment length polymorphism method (PCR-RFLP) was used for SNP genotyping. Our results revealed that EDN1 rs5370 polymorphism was associated with LAS development both before and after adjustment for atherosclerosis risk factors (sex, age, body mass index, arterial hypertension, type 2 diabetes mellitus, and smoking). The risk for a LAS incident in rs5370-T allele carriers was 1.6 times higher (CI = 1.066–2.403; P = 0.020) than in subjects with the GG genotype. No link between EDNRA rs5335 and LAS risk in a Ukrainian population was found. The present study indicated that EDN1 rs5370, but not EDNRA rs5335, can be the strong genetic predictor for LAS development in a Ukrainian population.
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Tamiozzo SR, Lassen OC, Herrera J, Igarzabal P, Tabares S, Sembaj A. [Single nucleotide polymorphisms in genes of endothelin-1 and receptor A associated to cardiovascular in essential hypertension]. HIPERTENSION Y RIESGO VASCULAR 2016; 34:78-84. [PMID: 27876299 DOI: 10.1016/j.hipert.2016.10.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2016] [Revised: 10/17/2016] [Accepted: 10/18/2016] [Indexed: 01/12/2023]
Abstract
INTRODUCTION The endothelin system, for its vasoconstrictor action, is related to the development of essential hypertension (HTAe). The polymorphism analysis of their genes represents a new approach to the study of this disease. We propose to analyze the interaction between stages of essential hypertension (HTAe) and risk factors with polymorphisms 138ex1 ins/del A gene endothelin-1 (ET-1) and H323H receptor gene A ET-1 (ETRA). PATIENTS AND METHODS We included 300 patients of both sexes, unrelated, who consecutively attended the clinic hypertension medical service. Each one underwent a complete physical examination, electrocardiogram, echocardiogram, and Rx thorax. The degree of severity of hypertension was determined in stages. The determination of polymorphisms was performed by amplification followed by cutting by specific restriction enzyme from DNA obtained from peripheral blood. RESULTS The 46% of patients had HTAe controlled, 17.6% had organ damage or cardiovascular, brain or kidney disease. It was observed that the 4A/4A carriers showed lower frequency of cardiovascular disease, kidney and brain (P<.032; 95% CI: 11.1-21.4). For H323H polymorphism, the evaluation by images showed a higher frequency of the dilations of left auricular (P=.02) and auricular fibrillation (P=.03) between the T/T carrier, a higher frequency of cardiomegaly was detected in C/C patients (P=.04). CONCLUSION The genotypes, 4A/4A of the ET-1 gene and the T/T from ETRA gene might be involved in worse outcome of cardiovascular damage. Their identification could help recognize subgroups of the hypertensive patients with different risk.
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Affiliation(s)
- S R Tamiozzo
- Servicio de Cardiología, Hospital Córdoba, Córdoba, Argentina
| | - O C Lassen
- Servicio de Cardiología, Hospital Córdoba, Córdoba, Argentina; Cátedra de Semiología I, Facultad de Ciencias Médicas, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - J Herrera
- Cátedra de Bioquímica y Biología Molecular, Facultad de Ciencias Médicas, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - P Igarzabal
- Servicio de Cardiología, Hospital Córdoba, Córdoba, Argentina
| | - S Tabares
- Cátedra de Bioquímica y Biología Molecular, Facultad de Ciencias Médicas, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - A Sembaj
- Cátedra de Bioquímica y Biología Molecular, Facultad de Ciencias Médicas, Universidad Nacional de Córdoba, Córdoba, Argentina.
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Recent Advances in the Genetics of Hypertension. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2016; 956:561-581. [PMID: 27957710 DOI: 10.1007/5584_2016_75] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Hypertension is a silent killer worldwide, caused by both genetic and environmental factors. Until now, genetic and genomic association studies of hypertension are reporting different degree of association on hypertension. Hence, it is essential to gather all the available information on the reported genetic loci and to determine if any biomarker(s) is/are significantly associated with hypertension. Current review concluded the potential biomarkers for hypertension, with regards to electrolyte and fluid transports, as well as sodium/potassium ions homeostasis, which are supported by the results of case-controls and meta-analyses.
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Hemerich D, van der Laan SW, Tragante V, den Ruijter HM, de Borst GJ, Pasterkamp G, de Bakker PIW, Asselbergs FW. Impact of carotid atherosclerosis loci on cardiovascular events. Atherosclerosis 2015; 243:466-8. [PMID: 26520901 DOI: 10.1016/j.atherosclerosis.2015.10.017] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/03/2015] [Revised: 09/21/2015] [Accepted: 10/12/2015] [Indexed: 11/24/2022]
Abstract
BACKGROUND Genome-wide association studies (GWAS) have identified six single-nucleotide polymorphisms (SNPs) related to carotid intima media thickness (cIMT) or plaque. However, whether these loci relate to other vascular diseases and subsequent vascular events is unclear. METHODS AND RESULTS We tested six SNPs (rs4888378, rs11781551, rs445925, rs6601530, rs17398575 and rs1878406) for association with subclinical atherosclerotic measures (cIMT, plaque presence and ankle-brachial index), as well as ischemic stroke, abdominal aortic aneurysm, peripheral or coronary artery disease (CAD) in the Second Manifestations of ARTerial disease (SMART) cohort. Four SNPs were associated with cIMT and two with plaque (p < 0.05). One SNP was also significantly associated to CAD (rs1878406, OR = 1.24, 95% CI = 1.08-1.42, p = 2 × 10(-3)). A genetic risk score (GRS) based on the cIMT-related SNPs was associated to increased risk of cIMT itself (p = 1 × 10(-3)), but not to other secondary outcomes or vascular events during follow-up (p = 0.86). CONCLUSIONS In addition to replicating previously published associations for cIMT, we confirmed a nominally significant effect between the GRS and cIMT.
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Affiliation(s)
- Daiane Hemerich
- Department of Cardiology, Division of Heart and Lungs, University Medical Center Utrecht, Utrecht, The Netherlands; CAPES Foundation, Ministry of Education of Brazil, Brasília, Brazil.
| | - Sander W van der Laan
- Laboratory of Experimental Cardiology, Division of Heart and Lungs, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Vinicius Tragante
- Department of Cardiology, Division of Heart and Lungs, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Hester M den Ruijter
- Laboratory of Experimental Cardiology, Division of Heart and Lungs, University Medical Center Utrecht, Utrecht, The Netherlands; Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, The Netherlands
| | - Gert Jan de Borst
- Department of Vascular Surgery, Division of Surgical Specialties, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Gerard Pasterkamp
- Department of Cardiology, Division of Heart and Lungs, University Medical Center Utrecht, Utrecht, The Netherlands; Laboratory of Clinical Chemistry and Hematology, Division Laboratories and Pharmacy, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Paul I W de Bakker
- Department of Medical Genetics, Center for Molecular Medicine, University Medical Center Utrecht, Utrecht, The Netherlands; Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, The Netherlands
| | - Folkert W Asselbergs
- Department of Cardiology, Division of Heart and Lungs, University Medical Center Utrecht, Utrecht, The Netherlands; Durrer Center for Cardiogenetic Research, ICIN-Netherlands Heart Institute, Utrecht, The Netherlands; Institute of Cardiovascular Science, Faculty of Population Health Sciences, University College London, London, United Kingdom.
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Zhang L, Sui R. Effect of SNP polymorphisms of EDN1, EDNRA, and EDNRB gene on ischemic stroke. Cell Biochem Biophys 2015; 70:233-9. [PMID: 24633486 DOI: 10.1007/s12013-014-9887-6] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
The objective of this study is to investigate the association between SNP polymorphisms of endothelin-1 (EDN1) and endothelin receptor (EDNRA and EDNRB) gene and ischemic stroke (IS) in the Chinese Han population in northern. A case-control study was introduced. We genotyped eight SNPs (rs1800541, rs2070699, and rs5370 in EDN1 gene; rs1801708, rs5333, and rs5335 in EDNRA gene; and rs3818416 and rs5351 in EDNRB gene) and calculated their polymorphic distribution in control group, IS group, and the IS subgroups. In male population, EDN1 gene rs2070699 G allele increased the incidence risk to 1.78 times (P = 0.009; OR 1.78; 95 % CI 1.15-2.75) and the risk of morbidity of rs5370 T allele carrying increased to 1.49 times (P = 0.048; OR 1.49; 95 % CI 1.00-2.21). EDNRA gene mutation rs5335 homozygous CC morbidity risk was significantly lower (P = 0.016; OR 0.52; 95 % CI 0.31-0.88). In the female population, the mutant homozygous AA cancer risk was significantly higher than G allele carriers (P = 0.019; OR 2.65; 95 % CI 1.18-6.00) on EDNRA gene rs1801708. In EDN1 gene, T allele of rs5370 and G allele of rs2070699 may be IS incidence risk factors in Northern Han male population. A allele of rs1801708 in EDNRA gene can increase the risk of IS in Northern Han women population.
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Affiliation(s)
- Lei Zhang
- School of Nursing, Liaoning Medical College, Jinzhou, China
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13
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Endothelin receptor polymorphisms in the cardiovascular system: potential implications for therapy and screening. Heart Fail Rev 2014; 19:743-58. [DOI: 10.1007/s10741-014-9426-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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14
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Sapkota Y, Yasui Y, Lai R, Sridharan M, Robson PJ, Cass CE, Mackey JR, Damaraju S. Identification of a breast cancer susceptibility locus at 4q31.22 using a genome-wide association study paradigm. PLoS One 2013; 8:e62550. [PMID: 23717390 PMCID: PMC3661567 DOI: 10.1371/journal.pone.0062550] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2013] [Accepted: 03/22/2013] [Indexed: 11/26/2022] Open
Abstract
More than 40 single nucleotide polymorphisms (SNPs) for breast cancer susceptibility were identified by genome-wide association studies (GWASs). However, additional SNPs likely contribute to breast cancer susceptibility and overall genetic risk, prompting this investigation for additional variants. Six putative breast cancer susceptibility SNPs identified in a two-stage GWAS that we reported earlier were replicated in a follow-up stage 3 study using an independent set of breast cancer cases and controls from Canada, with an overall cumulative sample size of 7,219 subjects across all three stages. The study design also encompassed the 11 variants from GWASs previously reported by various consortia between the years 2007–2009 to (i) enable comparisons of effect sizes, and (ii) identify putative prognostic variants across studies. All SNP associations reported with breast cancer were also adjusted for body mass index (BMI). We report a strong association with 4q31.22-rs1429142 (combined per allele odds ratio and 95% confidence interval = 1.28 [1.17–1.41] and Pcombined = 1.5×10−7), when adjusted for BMI. Ten of the 11 breast cancer susceptibility loci reported by consortia also showed associations in our predominantly Caucasian study population, and the associations were independent of BMI; four FGFR2 SNPs and TNRC9-rs3803662 were among the most notable associations. Since the original report by Garcia-Closas et al. 2008, this is the second study to confirm the association of 8q24.21-rs13281615 with breast cancer outcomes.
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Affiliation(s)
- Yadav Sapkota
- Cross Cancer Institute, Edmonton, Alberta, Canada
- Department of Laboratory Medicine and Pathology, University of Alberta, Edmonton, Alberta, Canada
| | - Yutaka Yasui
- School of Public Health, University of Alberta, Edmonton, Alberta, Canada
| | - Raymond Lai
- Department of Laboratory Medicine and Pathology, University of Alberta, Edmonton, Alberta, Canada
| | - Malinee Sridharan
- Department of Laboratory Medicine and Pathology, University of Alberta, Edmonton, Alberta, Canada
| | - Paula J. Robson
- Department of Agricultural, Food and Nutritional Sciences, University of Alberta, Edmonton, Alberta, Canada
- Alberta Health Services – Cancer Care, Edmonton, Alberta, Canada
| | - Carol E. Cass
- Cross Cancer Institute, Edmonton, Alberta, Canada
- Department of Oncology, University of Alberta, Edmonton, Alberta, Canada
| | - John R. Mackey
- Cross Cancer Institute, Edmonton, Alberta, Canada
- Department of Oncology, University of Alberta, Edmonton, Alberta, Canada
| | - Sambasivarao Damaraju
- Cross Cancer Institute, Edmonton, Alberta, Canada
- Department of Laboratory Medicine and Pathology, University of Alberta, Edmonton, Alberta, Canada
- * E-mail:
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Ho LT, Hsu YP, Hsiao CF, Ting CT, Shih KC, Chuang LM, Masaki K, Grove J, Quertermous T, Juan CC, Lin MW, Chiang SC, Chen YDI. Endothelin Type A Receptor Genotype is a Determinant of Quantitative Traits of Metabolic Syndrome in Asian Hypertensive Families: A SAPPHIRe Study. Front Endocrinol (Lausanne) 2013; 4:172. [PMID: 24348460 PMCID: PMC3842518 DOI: 10.3389/fendo.2013.00172] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2013] [Accepted: 10/25/2013] [Indexed: 02/01/2023] Open
Abstract
Co-heritability of hypertension and insulin resistance (IR) within families not only implies genetic susceptibility may be responsible for these complex traits but also suggests a rational that biological candidate genes for hypertension may serve as markers for features of the metabolic syndrome (MetS). Thus we determined whether the T323C polymorphism (rs5333) of endothelin type A (ETA) receptor, a predominant receptor evoking potent vasoconstrictive action of endothelin-1, contributes to susceptibility to IR-associated hypertension in 1694 subjects of Chinese and Japanese origins. Blood pressures (BPs) and biochemistries were measured. Fasting insulin level, insulin-resistance homeostasis model assessment (HOMAIR) score, and area under curve of insulin concentration (AUCINS) were selected for assessing insulin sensitivity. Genotypes were obtained by methods of polymerase chain reaction-restriction fragment length polymorphism. Foremost findings were that minor allele frequency of the T323C polymorphism was noticeable lower in our overall Asian subjects compared to multi-national population reported in gene database; moreover both the genotypic and allelic frequencies of the polymorphism were significantly different between the two ethnic groups we studied. The genotype distributions at TT/TC/CC were 65, 31, 4% in Chinese and 51, 41, 8% in Japanese, respectively (p < 0.0001). Additionally, carriers of the C homozygote revealed characteristics of IR, namely significantly higher levels of fasting insulin, HOMAIR score, and AUCINS at 29.3, 35.3, and 39.3%, respectively, when compared to their counterparts with TT/TC genotypes in Chinese. Meanwhile, the CC genotype was associated with a higher level of high density lipoprotein cholesterol in Japanese. No association of the polymorphism with BP was observed. This study demonstrated for the first time that T323C polymorphism of ETA receptor gene was associated with an adverse insulin response in Chinese and a favorite atherogenic index in Japanese.
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Affiliation(s)
- Low-Tone Ho
- Department of Medical Research and Education, Taipei Veterans General Hospital, Taipei, Taiwan
- School of Medicine, National Yang-Ming University, Taipei, Taiwan
- Faculty of Medicine, National Yang-Ming University, Taipei, Taiwan
- Institute of Physiology, National Yang-Ming University, Taipei, Taiwan
- Institute of Clinical Medicine, National Yang-Ming University, Taipei, Taiwan
- *Correspondence: Low-Tone Ho, Department of Medical Research and Education, Taipei Veterans General Hospital, No. 201 Shih-Pai Road Section 2, Taipei 11217, Taiwan e-mail:
| | - Yung-Pei Hsu
- Department of Medical Research and Education, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Chin-Fu Hsiao
- Division of Biostatistics and Bioinformatics, National Health Research Institutes, Taipei, Taiwan
| | - Chih-Tai Ting
- Cardiovascular Center, Taichung Veterans General Hospital, Taichung, Taiwan
| | - Kuang-Chung Shih
- Division of Endocrinology and Metabolism, Tri-Service General Hospital, Taipei, Taiwan
| | - Lee-Ming Chuang
- Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan
- Graduate Institute of Clinical Medicine, National Taiwan University, Taipei, Taiwan
| | | | - John Grove
- Department of Public Health Sciences and Epidemiology, John A. Burns School of Medicine, University of Hawaii and Pacific Health Research Institute, Honolulu, Hawaii
| | - Thomas Quertermous
- Division of Cardiovascular Medicine, Falk Cardiovascular Research Center, Stanford University, Stanford, CA, USA
| | - Chi-Chung Juan
- Department of Medical Research and Education, Taipei Veterans General Hospital, Taipei, Taiwan
- Institute of Physiology, National Yang-Ming University, Taipei, Taiwan
- Institute of Clinical Medicine, National Yang-Ming University, Taipei, Taiwan
| | - Ming-Wei Lin
- Department of Medical Research and Education, Taipei Veterans General Hospital, Taipei, Taiwan
- Faculty of Medicine, National Yang-Ming University, Taipei, Taiwan
| | - Shu-Chiung Chiang
- Information Service Center, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Yii-Der I. Chen
- Medical Genetics Institute, Cedars-Sinai Medical Center, University of California at Los Angeles, Los Angeles, CA, USA
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16
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Buentello-Volante B, Elizondo-Olascoaga C, Miranda-Duarte A, Guadarrama-Vallejo D, Cabral-Macias J, Zenteno JC. Association study of multiple gene polymorphisms with the risk of adult-onset primary open-angle glaucoma in a Mexican population. Exp Eye Res 2012. [PMID: 23206929 DOI: 10.1016/j.exer.2012.11.013] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
The aim of this study was to investigate the association of multiple primary open-angle glaucoma (POAG)-risk alleles in a Mexican population for the first time. Genotyping was performed for a total of 26 previously associated alleles located in 11 different genes, including MYOC, CYP1B1, OPTN, IL1A, TNF, OPA1, EDNRA, AGTR2, MTHFR, GSTM1, and GSTT1. The frequencies of these variants were compared in a group of 218 individuals (118 with POAG and 100 adult controls without the disease). Genomic DNA was extracted from blood leukocytes, and genotyping was performed using PCR followed by direct sequencing. GSTM1 and GSTT1 deletion variants were screened by agarose gel analysis. Individual SNP analysis showed that no specific variants conferred an elevated risk for developing POAG. However, the CG genotype for rs5335 polymorphism in EDNRA showed a protective effect against the development of POAG, as it provides an estimated odds ratio of 0.5 (95% CI, 0.3-0.9; p = 0.03). Moreover, one haplotype consisting of rs1056827 and rs100012 in CYP1B1 gene was significantly associated with a protective effect against POAG (p = 0.0045; OR = 0.3; 95% CI, 0.1-0.7). This is the first case-control investigation of POAG-risk alleles in multiple genes in a Latino population. Although our results support that the analyzed variants are not major risk factors for POAG in this ethnic group, they also point toward a protective effect conferred by EDNRA rs5335, as well as by a CYP1B1 haplotype consisting of rs1056827 and rs100012. Our study emphasizes the importance of genotyping ethnic groups with a complex admixture of ancestral populations for contributing to dissecting the genetics of POAG.
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17
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Between candidate genes and whole genomes: time for alternative approaches in blood pressure genetics. Curr Hypertens Rep 2012; 14:46-61. [PMID: 22161147 DOI: 10.1007/s11906-011-0241-8] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Blood pressure has a significant genetic component, but less than 3% of the observed variance has been attributed to genetic variants identified to date. Candidate gene studies of rare, monogenic hypertensive syndromes have conclusively implicated several genes altering renal sodium balance, and studies of essential hypertension have inconsistently implicated over 50 genes in pathways affecting renal sodium balance and other functions. Genome-wide linkage scans have replicated numerous quantitative trait loci throughout the genome, and over 50 single nucleotide polymorphisms (SNPs) have been replicated in multiple genome-wide association studies. These studies provide considerable evidence that epistasis and other interactions play a role in the genetic architecture of blood pressure regulation, but candidate gene studies have limited scope to test for epistasis, and genome-wide studies have low power for both main effects and interactions. This review summarizes the genetic findings to date for blood pressure, and it proposes focused, pathway-based approaches involving epistasis, gene-environment interactions, and next-generation sequencing to further the genetic dissection of blood pressure and hypertension.
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Ellis KL, Pilbrow AP, Potter HC, Frampton CM, Doughty RN, Whalley GA, Ellis CJ, Palmer BR, Skelton L, Yandle TG, Troughton RW, Richards AM, A Cameron V. Association between endothelin type A receptor haplotypes and mortality in coronary heart disease. Per Med 2012; 9:341-349. [PMID: 29758796 DOI: 10.2217/pme.12.10] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
AIMS The endothelin type A receptor, encoded by EDNRA, mediates the effects of endothelin-1 to promote vasoconstriction, vascular cell growth, adhesion, fibrosis and thrombosis. We investigated the association between EDNRA haplotype and cardiovascular outcomes in patients with coronary artery disease. METHODS Coronary disease patients (n = 1007) were genotyped for the His323His (rs5333) variant and one tag SNP from each of the major EDNRA haplotype blocks (rs6537484, rs1568136, rs5335 and rs10003447). EDNRA haplotype associations with clinical history, natriuretic peptides cardiac function and cardiovascular outcomes were tested over a median 3.8 years. RESULTS Univariate analysis identified a 'low-risk' EDNRA haplotype associated with later age of Type 2 diabetes onset (p = 0.004) smaller BMI (p = 0.021), and reduced mortality (log rank p = 0.001). Cox proportional hazards analysis including established cardiovascular risk factors revealed an independent association between haplotype and mortality (p < 0.0001). CONCLUSION These data highlight the potential importance of the endothelin system, and in particular EDNRA in coronary disease.
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Affiliation(s)
- Katrina L Ellis
- Christchurch Cardioendocrine Research Group, Department of Medicine, University of Otago, Christchurch, PO Box 4345, Christchurch 8140, New Zealand.
| | - Anna P Pilbrow
- Christchurch Cardioendocrine Research Group, Department of Medicine, University of Otago, Christchurch, PO Box 4345, Christchurch 8140, New Zealand
| | - Howard C Potter
- Molecular Pathology Laboratory, Canterbury District Health Board, Christchurch, New Zealand
| | - Chris M Frampton
- Christchurch Cardioendocrine Research Group, Department of Medicine, University of Otago, Christchurch, PO Box 4345, Christchurch 8140, New Zealand
| | - Rob N Doughty
- Department of Medicine, Faculty of Medicine & Health Sciences, University of Auckland, Auckland, New Zealand
| | - Gillian A Whalley
- Department of Medicine, Faculty of Medicine & Health Sciences, University of Auckland, Auckland, New Zealand.,Department of Medical Imaging, Unitec Institute of Technology, Auckland, New Zealand
| | - Chris J Ellis
- Department of Medical Imaging, Unitec Institute of Technology, Auckland, New Zealand
| | - Barry R Palmer
- Christchurch Cardioendocrine Research Group, Department of Medicine, University of Otago, Christchurch, PO Box 4345, Christchurch 8140, New Zealand
| | - Lorraine Skelton
- Christchurch Cardioendocrine Research Group, Department of Medicine, University of Otago, Christchurch, PO Box 4345, Christchurch 8140, New Zealand
| | - Tim G Yandle
- Christchurch Cardioendocrine Research Group, Department of Medicine, University of Otago, Christchurch, PO Box 4345, Christchurch 8140, New Zealand
| | - Richard W Troughton
- Christchurch Cardioendocrine Research Group, Department of Medicine, University of Otago, Christchurch, PO Box 4345, Christchurch 8140, New Zealand
| | - A Mark Richards
- Christchurch Cardioendocrine Research Group, Department of Medicine, University of Otago, Christchurch, PO Box 4345, Christchurch 8140, New Zealand
| | - Vicky A Cameron
- Christchurch Cardioendocrine Research Group, Department of Medicine, University of Otago, Christchurch, PO Box 4345, Christchurch 8140, New Zealand
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Bis JC, Kavousi M, Franceschini N, Isaacs A, Abecasis GR, Schminke U, Post WS, Smith AV, Cupples LA, Markus HS, Schmidt R, Huffman JE, Lehtimäki T, Baumert J, Münzel T, Heckbert SR, Dehghan A, North K, Oostra B, Bevan S, Stoegerer EM, Hayward C, Raitakari O, Meisinger C, Schillert A, Sanna S, Völzke H, Cheng YC, Thorsson B, Fox CS, Rice K, Rivadeneira F, Nambi V, Halperin E, Petrovic KE, Peltonen L, Wichmann HE, Schnabel RB, Dörr M, Parsa A, Aspelund T, Demissie S, Kathiresan S, Reilly MP, Taylor K, Uitterlinden A, Couper DJ, Sitzer M, Kähönen M, Illig T, Wild PS, Orru M, Lüdemann J, Shuldiner AR, Eiriksdottir G, White CC, Rotter JI, Hofman A, Seissler J, Zeller T, Usala G, Ernst F, Launer LJ, D'Agostino RB, O'Leary DH, Ballantyne C, Thiery J, Ziegler A, Lakatta EG, Chilukoti RK, Harris TB, Wolf PA, Psaty BM, Polak JF, Li X, Rathmann W, Uda M, Boerwinkle E, Klopp N, Schmidt H, Wilson JF, Viikari J, Koenig W, Blankenberg S, Newman AB, Witteman J, Heiss G, Duijn CV, Scuteri A, Homuth G, Mitchell BD, Gudnason V, O'Donnell CJ. Meta-analysis of genome-wide association studies from the CHARGE consortium identifies common variants associated with carotid intima media thickness and plaque. Nat Genet 2011; 43:940-7. [PMID: 21909108 PMCID: PMC3257519 DOI: 10.1038/ng.920] [Citation(s) in RCA: 170] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2011] [Accepted: 08/02/2011] [Indexed: 01/17/2023]
Abstract
Carotid intima media thickness (cIMT) and plaque determined by ultrasonography are established measures of subclinical atherosclerosis that each predicts future cardiovascular disease events. We conducted a meta-analysis of genome-wide association data in 31,211 participants of European ancestry from nine large studies in the setting of the Cohorts for Heart and Aging Research in Genomic Epidemiology (CHARGE) Consortium. We then sought additional evidence to support our findings among 11,273 individuals using data from seven additional studies. In the combined meta-analysis, we identified three genomic regions associated with common carotid intima media thickness and two different regions associated with the presence of carotid plaque (P < 5 × 10(-8)). The associated SNPs mapped in or near genes related to cellular signaling, lipid metabolism and blood pressure homeostasis, and two of the regions were associated with coronary artery disease (P < 0.006) in the Coronary Artery Disease Genome-Wide Replication and Meta-Analysis (CARDIoGRAM) consortium. Our findings may provide new insight into pathways leading to subclinical atherosclerosis and subsequent cardiovascular events.
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Affiliation(s)
- Joshua C Bis
- Cardiovascular Health Research Unit and Department of Medicine, University of Washington, Seattle, Washington, USA.
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Lemos C, Neto JL, Pereira-Monteiro J, Mendonça D, Barros J, Sequeiros J, Alonso I, Sousa A. A role for endothelin receptor type A in migraine without aura susceptibility? A study in Portuguese patients. Eur J Neurol 2010; 18:649-55. [PMID: 20964792 DOI: 10.1111/j.1468-1331.2010.03239.x] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
BACKGROUND AND PURPOSE Migraine is a common neurological disabling disorder, and anomalies of vascular function have been implied in its pathophysiology. Several findings point to a possible role of the endothelin receptor type A (EDNRA) in migraine. We aim to assess the involvement of endothelin receptor type A (EDNRA) in migraine susceptibility in a sample of Portuguese migraineurs. METHODS Three tagging SNPs (rs702757, rs5333 and rs5335) were analysed in 188 cases - 111 without aura (MO) and 77 with aura (MA) - and 287 controls. A multivariable logistic regression was performed, including the three SNPs, adjusted for gender. Allelic and haplotypic frequencies were compared between cases and controls. Significant or promising results were confirmed by a multifactor dimensionality reduction analysis (MDR). RESULTS We found a nominal association for the rs702757 T-allele [odds ratio (OR) = 1.44, 95% confidence intervals (CI): 1.05-1.99] and for the TT-genotype (OR = 2.34, 95% CI: 1.12-4.90) for MO, that do not remain significant after multiple test correction. A trend towards an increased risk for MA regarding the C-allele of rs5333 was also found. However, an additional MDR analysis was performed, and highly significant results were found for the two SNPs. The T-C-G haplotype (rs702757-rs5333-rs5335) was found to be significantly overrepresented in the MO subgroup, even after permutation was performed. CONCLUSIONS Our results show additional findings for a role of EDNRA as a susceptibility factor for MO, although we cannot exclude the involvement of this gene in MA susceptibility in our population. Our study also emphasizes the need for replication of association findings in different populations.
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Affiliation(s)
- C Lemos
- UnIGENe, IBMC - Instituto Biologia Molecular Celular, Universidade do Porto, Rua do Campo Alegre, Porto, Portugal.
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Darrah R, McKone E, O'Connor C, Rodgers C, Genatossio A, McNamara S, Gibson R, Stuart Elborn J, Ennis M, Gallagher CG, Kalsheker N, Aitken M, Wiese D, Dunn J, Smith P, Pace R, Londono D, Goddard KAB, Knowles MR, Drumm ML. EDNRA variants associate with smooth muscle mRNA levels, cell proliferation rates, and cystic fibrosis pulmonary disease severity. Physiol Genomics 2009; 41:71-7. [PMID: 20028935 DOI: 10.1152/physiolgenomics.00185.2009] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Airway inflammation and pulmonary disease are heterogeneous phenotypes in cystic fibrosis (CF) patients, even among patients with the same cystic fibrosis transmembrane conductance regulator (CFTR) genotype. Endothelin, a proinflammatory peptide and smooth muscle agonist, is increased in CF airways, potentially contributing to the pulmonary phenotype. Four cohorts of CF patients were screened for variants in endothelin pathway genes to determine whether any of these variants associated with pulmonary function. An initial cohort of 808 CF patients homozygous for the common CF mutation, DeltaF508, showed significant association for polymorphisms in the endothelin receptor A gene, EDNRA (P = 0.04), but not in the related endothelin genes (EDN1, EDN2, EDN3, or EDNRB) or NOS1, NOS2A, or NOS3. Variants within EDNRA were examined in three additional cohorts of CF patients, 238 patients from Seattle, WA, 303 from Ireland and the U.K., and 228 from Cleveland, OH, for a total of 1,577 CF patients. The three additional groups each demonstrated a significant association between EDNRA 3'-untranslated region (UTR) variant rs5335 and pulmonary function (P = 0.002). At the molecular level, single nucleotide primer extension assays suggest that the effect of the variants is quantitative. EDNRA mRNA levels from cultured primary tracheal smooth muscle cells are greater for the allele that appears to be deleterious to lung function than for the protective allele, suggesting a mechanism by which increased receptor function is harmful to the CF airway. Finally, cell proliferation studies using human airway smooth muscle cells demonstrated that cells homozygous for the deleterious allele proliferate at a faster rate than those homozygous for the protective allele.
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Affiliation(s)
- Rebecca Darrah
- Department of Pediatrics, Case Western Reserve University, Cleveland, Ohio 44106, USA
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