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AL-Eitan L, Al-Khaldi S, Ibdah RK. ACE gene polymorphism and susceptibility to hypertension in a Jordanian adult population. PLoS One 2024; 19:e0304271. [PMID: 38917192 PMCID: PMC11198757 DOI: 10.1371/journal.pone.0304271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Accepted: 05/09/2024] [Indexed: 06/27/2024] Open
Abstract
Hypertension is one of the most common and complicated disorders associated with genetic and environmental risk factors. The angiotensin-converting enzyme (ACE) is important in the renin-angiotensin-system pathway. The gene expression of ACE has been investigated as a possible hypertension marker. This study investigates the association between polymorphisms within the ACE1 and ACE2 genes and hypertension susceptibility in a Jordanian population. The study comprised a total of 200 hypertensive patients and 180 healthy controls. A polymerase chain reaction (PCR) was performed to genotype the candidate polymorphism (rs4646994) of the ACE1gene. The Luminex DNA array technique was used for genotyping SNPs (rs4359, rs4344, rs4341, rs4343, and rs2106809) of the ACE1 and ACE2 genes. Our findings suggest no association between SNPs and hypertension regarding allelic and genotypic frequencies. However, rs4359 was significantly associated with diet (pP = 0.049), know HTN (P = 0.042), and number of years DM (P = 0.003). rs4341 was associated with diet (P = 0.032), peripheral vascular disease (P = 0.005), and chronic kidney disease (p = 0.049). While rs4343 was associated with diet (P = 0.031), diabetes mellitus (P = 0.032), and other medication (P = 0.025). Furthermore, the haplotypes of four SNPs of the ACE1 gene showed no significant association with HTN patients and healthy controls. Our findings indicate no association between the polymorphisms in the ACE gene and the risk of hypertension development in the Jordanian adult population.
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Affiliation(s)
- Laith AL-Eitan
- Department of Biotechnology and Genetic Engineering, Jordan University of Science and Technology, Irbid, Jordan
- Department of Applied Biological Sciences, Jordan University of Science and Technology, Irbid, Jordan
| | - Sara Al-Khaldi
- Department of Applied Biological Sciences, Jordan University of Science and Technology, Irbid, Jordan
| | - Rasheed k. Ibdah
- Internal Medicine Department, College of Medicine, Jordan University of Science and Technology, Irbid, Jordan
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Taha MM, Mahdy-Abdallah H, Shahy EM, Helmy MA, ElLaithy LS. Diagnostic efficacy of cystatin-c in association with different ACE genes predicting renal insufficiency in T2DM. Sci Rep 2023; 13:5288. [PMID: 37002266 PMCID: PMC10066320 DOI: 10.1038/s41598-023-32012-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Accepted: 03/21/2023] [Indexed: 04/04/2023] Open
Abstract
Diabetic nephropathy (DN) seems to be the major cause of chronic kidney disease that may finally lead to End Stage Renal Disease. So, renal function assessment in type 2 diabetes mellitus (T2DM) individuals is very important. Clearly, DN pathogenesis is multifactorial and different proteins, genes and environmental factors can contribute to the onset of the disease. We assessed sensitive and specific biomarkers (in blood and urine) which can predict kidney disease susceptibility among T2DM patients. Serum cystatin-c (cyst-c) in blood and urinary hemeoxygenase (HO-1) in addition to ACE I/D polymorphism and ACE G2350A genotypes. Hundred and eight T2DM patients and 85 controls were enrolled. Serum cystatin-c and urinary (HO-1) were tested by ELISA. Genetic determination of both ACE I/D polymorphism and ACE G2350A genotypes was performed by PCR for all participants. Significant rise in serum cystatin-c and urinary HO-1 levels were shown in diabetic groups compared with control group. Moreover, GG genotype of ACE G2350A gene in diabetic group was associated with rise in serum cystatin-c and urinary HO-1 compared with control group. Mutant AA genotype demonstrated increase in urinary HO-1. DD polymorphism was associated with rise in serum creatinine and cyst-c in diabetic group. Positive correlation was seen between duration of diabetes and serum cyst-c and between serum glucose and urinary (HO-1) in diabetic group. The results from this study indicated an association of serum cystatin-c with GG genotype of ACE G2350A in conjugation with DD polymorphism of ACE I/D which could be an early predictor of tubular injury in T2DM diabetic patients.
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Affiliation(s)
- Mona Mohamed Taha
- Department of Environmental and Occupational Medicine, National Research Centre, Dokki, Cairo, Egypt.
| | - Heba Mahdy-Abdallah
- Department of Environmental and Occupational Medicine, National Research Centre, Dokki, Cairo, Egypt
| | - Eman Mohamed Shahy
- Department of Environmental and Occupational Medicine, National Research Centre, Dokki, Cairo, Egypt
| | - Mona Adel Helmy
- Department of Environmental and Occupational Medicine, National Research Centre, Dokki, Cairo, Egypt
| | - Lamia Samir ElLaithy
- Department of Environmental and Occupational Medicine, National Research Centre, Dokki, Cairo, Egypt
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Alimoradi N, Sharqi M, Firouzabadi D, Sadeghi MM, Moezzi MI, Firouzabadi N. SNPs of ACE1 (rs4343) and ACE2 (rs2285666) genes are linked to SARS-CoV-2 infection but not with the severity of disease. Virol J 2022; 19:48. [PMID: 35305693 PMCID: PMC8934128 DOI: 10.1186/s12985-022-01782-6] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Accepted: 03/10/2022] [Indexed: 01/08/2023] Open
Abstract
COVID-19 and the renin-angiotensin system (RAS) are linked by angiotensin-converting enzyme 2 (ACE2), a key enzyme in RAS that has been validated as a SARS-CoV-2 receptor. Functional ACE1/ACE2 gene polymorphisms may lead to the imbalance between ACE/ACE2 ratio and thus generating RAS imbalance that is associated with higher degrees of lung damage in ARDS that may contribute to the COVID-19 infection outcome. Herein, we investigated the role of RAS gene polymorphisms, ACE1 (A2350G) and ACE2 (G8790A) as risk predictors for susceptibility and severity of COVID-19 infection. A total of 129 included: negative controls without a history of COVID-19 infection (n = 50), positive controls with a history of COVID-19 infection who were not hospitalized (n = 35), and patients with severe COVID-19 infection who were hospitalized in the intensive care unit (n = 44). rs4343 of ACE and rs2285666 of ACE2 were genotyped using PCR-RFLP method. Our results indicated that susceptibility to COVID-19 infection was associated with age, GG genotype of A2350G (Pa = 0.01; OR 4.7; 95% CI 1.4-15.1 and Pc = 0.040; OR 2.5; 95% CI 1.05-6.3) and GG genotype of G8790A (Pa = 0.044; OR 6.17; 95% CI 1.05-35.71 and Pc = 0.0001; OR 5.5; 95% CI 2.4-12.4). The G allele of A2350G (Pa = 0.21; OR 1.74; 95% CI 0.73-4.17 and Pc = 0.007; OR 2.1; 95% CI 1.2-3.5) and G allele of G8790A (Pa = 0.002; OR 4.26; 95% CI 1.7-10.65 and Pc = 0.0001; OR 4.7; 95% CI 2.4-9.2) were more frequent in ICU-admitted patients and positive control group. Also lung involvement due to COVID-19 infection was associated with age and the comorbidities such as diabetes. In conclusion, our findings support the association between the wild genotype (GG) of ACE2 and homozygote genotype (GG) of ACE1 and sensitivity to COVID-19 infection, but not its severity. However, confirmation of this hypothesis requires further studies with more participants.
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Affiliation(s)
- Nahid Alimoradi
- Department of Pharmacology & Toxicology, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Moein Sharqi
- Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Dena Firouzabadi
- Shahid Faghihi Hospital, Shiraz University of Medical Sciences, Shiraz, Iran
- Clinical Pharmacy Department, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mohammad Moein Sadeghi
- Department of Pharmacology & Toxicology, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mohammad Iman Moezzi
- Department of Pharmacology & Toxicology, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Negar Firouzabadi
- Department of Pharmacology & Toxicology, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran.
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Taha MM, Shahy EM, Mahdy-Abdallah H, Ibrahim KS, El Tahlawy EM. Evaluation of the effect of serum cystatin-C and ACE I/D and ACE G2350A polymorphisms on kidney function among hypertensive sewage workers. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:1619-1626. [PMID: 32851527 DOI: 10.1007/s11356-020-10579-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Accepted: 08/20/2020] [Indexed: 06/11/2023]
Abstract
Cadmium (Cd) as nephrotoxicant metal exerts its potent effect mainly on renal tubules disturbing its functions. A cross-sectional study was conducted on 55 sewage workers occupationally exposed to Cd and 50 control subjects. The study aimed to assess the effect of low-level Cd exposure on blood pressure and renal function in terms of serum cystatin-C levels. The associations between genetic polymorphisms of ACEI/D and ACE G2350A and hypertension and tubular injury among workers were studied. We analyzed blood and urine Cd concentration (U-Cd), serum cystatin-C, ACE I/D polymorphisms, and ACE G2350A, and blood pressure was measured. Results recorded a significant rise in serum and U-Cd and cystatin-C levels in sewage workers compared with controls. Significant distribution in genotype frequency of ACE I/D and ACE G2350A gene was detected. An association in DD genotype of ACE I/D with a rise in serum and U-Cd was observed in workers. In wild type genotype GG of ACE G2350A gene, a significant rise in serum cystatin-C levels and diastolic pressure was found while in heterozygote genotype GA significant rise in U-Cd levels was detected. Also, the association of AA genotype of ACE G2350A gene with a significant rise in serum and U-Cd and cystatin-C levels was shown among workers compared with control groups. Our findings indicated an association of ACE DD polymorphism in conjugation with GG genotype of ACE2 with hypertension and tubular injury in sewage workers.
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Affiliation(s)
- Mona M Taha
- Environmental and Occupational Medicine Department, Environmental Research Division, National Research Centre, Buhouth Street, Dokki, Cairo, 12622, Egypt
| | - Eman M Shahy
- Environmental and Occupational Medicine Department, Environmental Research Division, National Research Centre, Buhouth Street, Dokki, Cairo, 12622, Egypt
| | - Heba Mahdy-Abdallah
- Environmental and Occupational Medicine Department, Environmental Research Division, National Research Centre, Buhouth Street, Dokki, Cairo, 12622, Egypt
| | - Khadiga S Ibrahim
- Environmental and Occupational Medicine Department, Environmental Research Division, National Research Centre, Buhouth Street, Dokki, Cairo, 12622, Egypt.
| | - Eman M El Tahlawy
- Environmental and Occupational Medicine Department, Environmental Research Division, National Research Centre, Buhouth Street, Dokki, Cairo, 12622, Egypt
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Fajar JK, Pikir BS, Sidarta EP, Berlinda Saka PN, Akbar RR, Heriansyah T. The Gene Polymorphism of Angiotensin-Converting Enzyme Intron Deletion and Angiotensin-Converting Enzyme G2350A in Patients With Left Ventricular Hypertrophy: A Meta-analysis. Indian Heart J 2019; 71:199-206. [PMID: 31543192 PMCID: PMC6796625 DOI: 10.1016/j.ihj.2019.07.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Revised: 03/18/2019] [Accepted: 07/02/2019] [Indexed: 01/11/2023] Open
Abstract
Objectives The aim of the study was to evaluate the correlation between left ventricular hypertrophy and the gene polymorphism of angiotensin-converting enzyme (ACE) intron deletion (I/D) and ACE G2350A. Methods Information related to the sample size and genotype frequencies was extracted from each study. Results Our results found that the D allele (p = 0.0180) and DD genotype (p = 0.0110) of ACE I/D had a significant association with increasing the risk of left ventricular hypertrophy, whereas the I allele (p = 0.0180), but not II (p = 0.1660) and ID genotypes (p = 0.1430), was associated with decreasing the risk of left ventricular hypertrophy. On other hand, we found that the A allele (p = 0.0020) and GA genotype of ACE G2350A (p = 0.0070) had the correlation with increasing the risk of left ventricular hypertrophy. Conclusions Our meta-analysis reveals that the D allele of ACE I/D and the A allele of ACE G2350A are associated with increasing the risk of left ventricular hypertrophy.
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Affiliation(s)
- Jonny Karunia Fajar
- Medical Research Unit, School of Medicine, Universitas Syiah Kuala, Banda Aceh, 23111, Indonesia.
| | - Budi Susetio Pikir
- Department of Cardiology and Vascular Medicine, Faculty of Medicine, Universitas Airlangga, Surabaya, 60115, Indonesia.
| | - Erdo Puncak Sidarta
- Brawijaya Cardiovascular Research Center, Universitas Brawijaya, Malang, 65145, Indonesia
| | | | | | - Teuku Heriansyah
- Department of Cardiology and Vascular Medicine, School of Medicine, Universitas Syiah Kuala, Banda Aceh, 23111, Indonesia.
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Imran I, Syahrul S, Sofia S, Farida F, Musadir N, Fajar JK. Association of angiotensin-converting enzyme G2350A gene polymorphisms with hypertension among patients with intracerebral haemorrhage. J Taibah Univ Med Sci 2019; 14:300-305. [PMID: 31435421 PMCID: PMC6694934 DOI: 10.1016/j.jtumed.2019.04.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2019] [Revised: 04/21/2019] [Accepted: 04/24/2019] [Indexed: 11/29/2022] Open
Abstract
OBJECTIVES To evaluate the correlation of angiotensin-converting enzyme (ACE) G2350A gene polymorphisms with hypertension, brain hematoma volume (BHV), level of consciousness, and disease outcome among intracerebral haemorrhage (ICH) patients. METHODS A cross-sectional study was conducted in Zainoel Abidin General Hospital from May 2016 to June 2017. Polymerase chain reaction was used to genotype ACE G2350A gene polymorphisms. BHV was assessed using the ABC/2 volume estimation formula. Level of consciousness was assessed by Glasgow coma scale (GCS). Disease outcome was assessed using Glasgow outcome scale (GOS). Association tests for ACE G2350A genotype in the context of hypertension status, BHV, GCS score, and GOS score in subjects with ICH was analysed by multiple logistic regression. RESULTS A total of 75 ICH patients were included in the study. Of those, 59 patients exhibited hypertension, 24 patients had BHV ≥60 cm3, 16 patients possessed GCS scores ≤8, and 72 patients had GOS scores of 1-3. Our analysis determined that the A allele of the ACE G2350A gene polymorphism was significantly associated with a 3.6-fold increase in hypertension; however, this polymorphism was not associated with BHV, level of consciousness, and disease outcome among ICH patients. CONCLUSION The A allele of the ACE G2350A gene polymorphisms is associated with hypertension among ICH patients.
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Affiliation(s)
- Imran Imran
- Department of Neurology, School of Medicine, Universitas Syiah Kuala, Banda Aceh, Indonesia
| | - Syahrul Syahrul
- Department of Neurology, Dr. Zainoel Abidin Hospital, Banda Aceh, Indonesia
| | - Sofia Sofia
- Department of Biochemistry, School of Medicine, Universitas Syiah Kuala, Banda Aceh, Indonesia
| | - Farida Farida
- Department of Neurology, School of Medicine, Universitas Syiah Kuala, Banda Aceh, Indonesia
| | - Nasrul Musadir
- Department of Neurology, School of Medicine, Universitas Syiah Kuala, Banda Aceh, Indonesia
| | - Jonny K. Fajar
- Medical Research Unit, School of Medicine, Universitas Syiah Kuala, Banda Aceh, Indonesia
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Sun F, He N, Zhang K, Wu N, Zhao J, Qiu C. Association of ACE gene A2350G and I/D polymorphisms with essential hypertension in the northernmost province of China. Clin Exp Hypertens 2017; 40:32-38. [PMID: 29172745 DOI: 10.1080/10641963.2017.1291659] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Angiotensin converting enzyme (ACE) gene, as a strong candidate gene for essential hypertension(EH), has been extensively studied. In this study, we carried out a population-based case-control study to explore whether ACE gene I/D and A2350G polymorphisms could consider to be risk factors for EH. A total of 2040 subjeces were recruited from Chinese Han in this study, out of which 1010 were cases and 1030 were normotensive individuals. ACE gene A2350G and I/D polymorphisms were amplified by polymerase chain reaction (PCR) and A2350G polymorphism was detected after restriction enzyme digestion with BstuI. Besides, we choosed 10% samples randomly sequencing to verify the accuracy of results. Genotype and allele frequencies distribution of I/D and A2350G in EH and control groups were significantly different. After grouped by sex or age, there were still statistical significances for two polymorphisms. In dominant and recessive model of A2350G, we found significant differences between two groups, respectively. For ACE I/D polymorphism, we observed that the existence of dramatical difference in dominant model between two groups, while in recessive model, marginally significant difference was found. Among the four haplotypes composed by ACE gene A2350G and I/D, haplotype G-D reached the statistical significance in two groups, and exhibited to be a risk factor for the development of EH, whose P < 0.001 and OR 95%CI = 1.639(1.435-1.872), while the other haplotypes were the protective factors and decreased the susceptibility to EH(P < 0.05). ACE gene A2350G and I/D polymorphisms were associated with increasing the risk of suffering from EH in the northernmost province of China individuals, with D allele and G allele individuals had a higher risk of EH(OR = 1.443, 95%CI = 1.273-1.636 and OR = 1.481, 95%CI = 1.303-1.684).
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Affiliation(s)
- Feifei Sun
- a Department of Epidemiology, Public Health School , Harbin Medicial University , Heilongjiang , China
| | - Ning He
- b Institute of Polygenic Disease, Qiqihar Medical University , Qiqihar , Heilongjiang , China
| | - Keyong Zhang
- b Institute of Polygenic Disease, Qiqihar Medical University , Qiqihar , Heilongjiang , China
| | - Nan Wu
- b Institute of Polygenic Disease, Qiqihar Medical University , Qiqihar , Heilongjiang , China
| | - Jingbo Zhao
- a Department of Epidemiology, Public Health School , Harbin Medicial University , Heilongjiang , China
| | - Changchun Qiu
- b Institute of Polygenic Disease, Qiqihar Medical University , Qiqihar , Heilongjiang , China.,c Department of Biochemistry , Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences/Peking Union Medical College , Beijing , China
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Yang YL, Mo YP, He YS, Yang F, Xu Y, Li CC, Wang J, Reng HM, Long L. Correlation between renin-angiotensin system gene polymorphisms and essential hypertension in the Chinese Yi ethnic group. J Renin Angiotensin Aldosterone Syst 2015; 16:975-81. [PMID: 26283679 DOI: 10.1177/1470320315598697] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2015] [Accepted: 06/16/2015] [Indexed: 12/31/2022] Open
Abstract
INTRODUCTION The renin-angiotensin system (RAS) has been considered to play an important role in the regulation of blood pressure. This study aimed to investigate the correlation between RAS gene polymorphisms and essential hypertension (EH) in the Chinese Yi ethnic group. MATERIALS AND METHODS A total of 244 EH subjects and 185 normotensive individuals from the Chinese Yi ethnic group were genotyped for AGT M235T (rs699), AT1R A1166C (rs5186), ACE I/D (rs4340) and ACE G2350A (rs4343) polymorphisms by the polymerase chain reaction (PCR)-restriction fragment length polymorphism (RFLP) method. RESULTS Significant differences in the allele and genotype frequency of ACE G2350A were observed between the EH cases and controls (p=0.001, 0.002). After being grouped by gender, significant differences in the allele and genotype frequency of ACE G2350A and AT1R A1166C were observed between females of the EH cases and controls (ACE G2350A: p=0.000, 0.002; AT1R A1166C: p=0.008, 0.011). After excluding the influence of multifactorial interactions, the ACE G2350A polymorphism is significantly associated with the pathogenesis of EH in the Chinese Yi ethnic group (odds ratio (OR)=1.656, 95% confidence interval (CI) 1.807-2.524, p=0.019). CONCLUSIONS The RAS-related ACE G2350A polymorphism is associated with the pathogenesis of EH in the Chinese Yi ethnic group.
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Affiliation(s)
- Yu-Ling Yang
- Department of Cell Biology and Medical Genetics, Kunming Medical University, China
| | - Yan-Ping Mo
- Department of Geriatrics, The First Affiliated Hospital of Kunming Medical University, China
| | - Yong-Shu He
- Department of Cell Biology and Medical Genetics, Kunming Medical University, China
| | - Fang Yang
- Department of Cell Biology and Medical Genetics, Kunming Medical University, China
| | - Yan Xu
- Department of Pathogenic Biology and Immunology, Kunming Medical University, China
| | - Cheng-Cheng Li
- School of Basic Medical Science, Kunming Medical University, China
| | - Jiao Wang
- School of Basic Medical Science, Kunming Medical University, China
| | - Hao-Ming Reng
- School of Basic Medical Science, Kunming Medical University, China
| | - Li Long
- Department of Cell Biology and Medical Genetics, Kunming Medical University, China
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Zawilla N, Shaker D, Abdelaal A, Aref W. Angiotensin-converting enzyme gene polymorphisms and hypertension in occupational noise exposure in Egypt. INTERNATIONAL JOURNAL OF OCCUPATIONAL AND ENVIRONMENTAL HEALTH 2014; 20:194-206. [PMID: 25000107 DOI: 10.1179/2049396714y.0000000067] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
BACKGROUND The gene-environment interaction in the pathogenesis of hypertension has not been extensively studied in occupational noise. OBJECTIVES The aim of this study was to determine the relationship between noise and hypertension in Egyptian workers, the interaction of angiotensin-converting enzyme (ACE) gene polymorphisms as modifiers, and the possible relationship between noise hearing impairment and hypertension. METHODS Study subjects were divided into two groups depending on noise exposure level. The control group (n = 161) was exposed to noise intensity <85 dB and the exposed group (n = 217) was exposed to noise intensity ≧85 dB. A polymerase chain reaction was used to differentiate the various genotypes of ACE insertion/deletion (I/D) and ACE G2350A. RESULTS Noise significantly increased the likelihood of hypertension. Carriers of the genotypes AG, GG, and DD were vulnerable to hypertension on noise exposure. No association between hypertension and hearing impairment or noise-induced hearing loss (NIHL) was found. CONCLUSION Our results support the association between ACE gene polymorphisms and occurrence of hypertension in noise-exposed workers.
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Do AN, Irvin MR, Lynch AI, Claas SA, Boerwinkle E, Davis BR, Ford CE, Eckfeldt JH, Tiwari HK, Limdi NA, Arnett DK. The effects of angiotensinogen gene polymorphisms on cardiovascular disease outcomes during antihypertensive treatment in the GenHAT study. Front Pharmacol 2014; 5:210. [PMID: 25278896 PMCID: PMC4165277 DOI: 10.3389/fphar.2014.00210] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2014] [Accepted: 08/27/2014] [Indexed: 11/18/2022] Open
Abstract
Previous studies have reported that risk of cardiovascular morbidity and mortality substantially increases in hypertensive patients, especially among those with inadequate blood pressure control. Two common antihypertensive drug classes including thiazide diuretics and angiotensin-converting enzyme (ACE) inhibitors affect different enzymes in the renin-angiotensin-aldosterone system (RAAS). In the RAAS, angiotensinogen is converted into angiotensin II which increases blood pressure through vasoconstriction. Using a case-only design with 3448 high-risk hypertensive individuals from the Genetics of Hypertension Associated Treatment (GenHAT) study, we examined whether seven single nucleotide polymorphisms (SNPs) in the angiotensinogen gene (AGT) interact with three classes of antihypertensive drugs including chlorthalidone (a thiazide diuretic), lisinopril (an ACE inhibitor), and amlodipine (a calcium channel blocker) to modify the risk of incident coronary heart disease (CHD) and heart failure (HF) among Caucasian and African American participants, separately. We found no gene by treatment interactions to be statistically significant after correction for multiple testing. However, some suggestive results were found. African American participants with the minor allele of rs11122576 had over two-fold higher risk of CHD when using chlorthalidone compared to using amlodipine, or lisinopril compared to amlodipine (p = 0.006 and p = 0.01, respectively). Other marginal associations are also reported among both race groups. The findings reported here suggest that rs11122576 could contribute to future personalization of antihypertensive treatment among African Americans though more studies are needed.
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Affiliation(s)
- Anh N Do
- Department of Epidemiology, University of Alabama at Birmingham Birmingham, AL, USA
| | - Marguerite R Irvin
- Department of Epidemiology, University of Alabama at Birmingham Birmingham, AL, USA
| | - Amy I Lynch
- Department of Epidemiology, University of Alabama at Birmingham Birmingham, AL, USA
| | - Steven A Claas
- Department of Epidemiology, University of Alabama at Birmingham Birmingham, AL, USA
| | - Eric Boerwinkle
- Division of Epidemiology, School of Public Health, University of Texas Health Science Center at Houston Houston, TX, USA
| | - Barry R Davis
- Division of Biostatistics, School of Public Health, University of Texas Health Science Center at Houston Houston, TX, USA
| | - Charles E Ford
- Division of Biostatistics, School of Public Health, University of Texas Health Science Center at Houston Houston, TX, USA
| | - John H Eckfeldt
- Department of Laboratory Medicine and Pathology, University of Minnesota Minneapolis, MN, USA
| | - Hemant K Tiwari
- Department of Biostatistics, University of Alabama at Birmingham Birmingham, AL, USA
| | - Nita A Limdi
- Department of Neurology, University of Alabama at Birmingham Birmingham, AL, USA
| | - Donna K Arnett
- Department of Epidemiology, University of Alabama at Birmingham Birmingham, AL, USA
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11
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Gender specificity of a genetic variant of angiotensin-converting enzyme and risk of coronary artery disease. Mol Biol Rep 2013; 40:4959-65. [PMID: 23661020 DOI: 10.1007/s11033-013-2596-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2012] [Accepted: 04/29/2013] [Indexed: 01/14/2023]
Abstract
Etiological factors for coronary artery disease (CAD) involve a wide range of gene and environmental interactions. One of the systems being implicated in the pathophysiology of CAD is the renin-angiotensin system (RAS). However, the genetic polymorphisms of this system have not been widely studied in Iranian patients diagnosed with CAD. The aim of this study was to assess the relationship between six gene polymorphisms of RAS components and CAD in a sample of Iranian population. A total of 374 participants were enrolled in a case/control study. The presence of CAD was determined by coronary angiography. Genotyping of six RAS gene polymorphisms was performed using a modified PCR-RFLP method. Our results revealed, for the first time, a significant independent association of angiotensin-converting enzyme (ACE) A-240T polymorphism and incidence of CAD among Iranian women (P=0.005, OR=20.4, 95% CI=2.49-41.2). There has also been a significant difference in genotype distribution of ACE A-240T (P=0.008) and angiotensin II receptor type 2 C3123A polymorphism (P=0.032) in Iranian female participants. In conclusion, TT genotype of ACE A-240T seems to be a genetic risk factor for CAD in Iranian women.
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Firouzabadi N, Shafiei M, Bahramali E, Ebrahimi SA, Bakhshandeh H, Tajik N. Association of angiotensin-converting enzyme (ACE) gene polymorphism with elevated serum ACE activity and major depression in an Iranian population. Psychiatry Res 2012; 200:336-42. [PMID: 22688325 DOI: 10.1016/j.psychres.2012.05.002] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2011] [Revised: 04/12/2012] [Accepted: 05/02/2012] [Indexed: 01/29/2023]
Abstract
Genetic factors contribute substantially to the likelihood of developing major depressive disorder (MDD). The importance of renin-angiotensin system (RAS) elements in cognition and behaviour and their involvement in aetiology and treatment of depression imply that RAS gene polymorphism(s) associated with RAS overactivity might also be associated with depression. In the present study, genotype and allele frequencies of six common polymorphisms of genes encoding for RAS components were determined in DNAs extracted from venous blood of 191 depressed and 104 healthy individuals using polymerase chain reaction (PCR) and polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) and serum angiotensin-converting enzyme (ACE) activity was assayed using a high-performance liquid chromatography (HPLC) method. The results showed, for the first time, that GG genotype of ACE A2350G was significantly associated with MDD among Iranian participants (P=0.001; odds ratio (OR)=6.2; 95% confidence interval (CI)=2.1-18.3). Significant higher serum ACE activity (P=0.0001) as well as higher diastolic blood pressure (P=0.036) were observed in depressed patients compared to the healthy control group. Depressed patients carrying GG genotype of the A2350G polymorphism had a significantly higher serum ACE activity (P=0.02) than individuals with either AA or AG genotype. In conclusion, this study supports the hypothesis of RAS overactivity in depression in that the genotype associated with higher serum ACE activity in an Iranian population was also associated with MDD.
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Affiliation(s)
- Negar Firouzabadi
- Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
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Firouzabadi N, Tajik N, Bahramali E, Bakhshandeh H, Ebrahimi SA, Maadani M, Rasoulian M, Mobasheri T, Shafiei M. Association of angiotensin-converting enzyme polymorphism with coronary artery disease in Iranian patients with unipolar depression. Clin Biochem 2012; 45:1347-52. [PMID: 22683751 DOI: 10.1016/j.clinbiochem.2012.05.033] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2011] [Revised: 05/25/2012] [Accepted: 05/28/2012] [Indexed: 10/28/2022]
Abstract
OBJECTIVES Major depressive disorder (MDD) is an increasingly recognized risk factor of coronary artery disease (CAD). The aim of this study was to assess the relationship between renin-angiotensin system (RAS) genetic polymorphisms and CAD in a sample of depressed Iranian patients. DESIGN AND METHODS A total of 191 patients with a history of unipolar depression were enrolled in a case/control study. The presence of MDD was reconfirmed at study entry using DSM-IV criteria and CAD was diagnosed by coronary angiography. Genotyping of six RAS genes polymorphisms was performed by a modified PCR-RFLP method. RESULTS DD genotype of ACE I/D was independently associated with the incidence of CAD in depressed patients (P=0.011, OR=9.41, 95% CI: 1.68-17.81). Moreover, serum creatinine (P=0.033, OR=11.91, 95%CI: 7.23-15.62) was an independent predictor of CAD among depressed individuals. CONCLUSION ACE I/D polymorphism may play a major role in the development of CAD amongst Iranian depressed patients.
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Affiliation(s)
- Negar Firouzabadi
- Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
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Jang Y, Kim SM. Influences of the G2350A polymorphism in the ACE gene on cardiac structure and function of ball game players. J Negat Results Biomed 2012; 11:6. [PMID: 22239999 PMCID: PMC3278340 DOI: 10.1186/1477-5751-11-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2011] [Accepted: 01/12/2012] [Indexed: 11/13/2022] Open
Abstract
Background Except for the I/D polymorphism in the angiotensin I-converting enzyme (ACE) gene, there were few reports about the relationship between other genetic polymorphisms in this gene and the changes in cardiac structure and function of athletes. Thus, we investigated whether the G2350A polymorphism in the ACE gene is associated with the changes in cardiac structure and function of ball game players. Total 85 healthy ball game players were recruited in this study, and they were composed of 35 controls and 50 ball game players, respectively. Cardiac structure and function were measured by 2-D echocardiography, and the G2350A polymorphism in the ACE gene analyzed by the SNaPshot method. Results There were significant differences in left ventricular mass index (LVmassI) value among each sporting discipline studied. Especially in the athletes of basketball disciplines, indicated the highest LVmassI value than those of other sporting disciplines studied (p < 0.05). However, there were no significant association between any echocardiographic data and the G2350A polymorphism in the ACE gene in the both controls and ball game players. Conclusions Our data suggests that the G2350A polymorphism in the ACE gene may not significantly contribute to the changes in cardiac structure and function of ball game players, although sporting disciplines of ball game players may influence the changes in LVmassI value of these athletes. Further studies using a larger sample size and other genetic markers in the ACE gene will be needed.
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Affiliation(s)
- Yongwoo Jang
- College of Pharmacy, Seoul National University, Seoul 151-742, Korea
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Firouzabadi N, Tajik N, Shafiei M, Ebrahimi SA, Bakhshandeh H. Interaction of A-240T and A2350G related genotypes of angiotensin-converting enzyme (ACE) is associated with decreased serum ACE activity and blood pressure in a healthy Iranian population. Eur J Pharmacol 2011; 668:241-7. [PMID: 21810419 DOI: 10.1016/j.ejphar.2011.07.023] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2011] [Revised: 07/18/2011] [Accepted: 07/19/2011] [Indexed: 12/01/2022]
Abstract
Most of renin-angiotensin system (RAS) gene polymorphisms have not yet been studied in the Iranian population. In the present study, the frequencies of common polymorphisms in the RAS genes, including angiotensin-converting enzyme (ACE) insertion/deletion (I/D) and three single-nucleotide polymorphisms (SNPs), i.e., A-240T, T-93C and A2350G, angiotensinogen M235T, angiotensin II receptor type 1 A1166C and angiotensin II receptor type 2 C3123A variants were determined in DNAs extracted from venous blood of 104 healthy Iranian volunteers. Genotyping was performed by PCR-RFLP method. Serum ACE activity was also assayed using reverse phase HPLC. Combined polymorphisms of TT (A-240T) and GG (A2350G) was significantly associated with decreased serum ACE activity (P=0.042) and decreased diastolic blood pressure (P=0.040). The angiotensin II receptor type 1 A1166C polymorphism (CC genotype) showed a significant association with declined diastolic blood pressure (P=0.028). Serum ACE activity was significantly higher in men compared to women (P=0.033). ACE activity also showed a direct association with diastolic blood pressure (P<0.001). No association was obtained among each single polymorphism with body mass index (BMI), fasting blood sugar (FBS), lipid profile and ACE activity. In conclusion, combined polymorphisms of A-240T and A2350G seem to affect serum ACE level as well as diastolic blood pressure in our study population. However, it also might be hypothesized that they are in strong linkage disequilibrium with other functional mutations not studied yet. Our findings revealed that gene interactions can play an important role in various biological conditions.
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Affiliation(s)
- Negar Firouzabadi
- Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.
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Nawaz SK, Hasnain S. Association of ACE ID and ACE G2350A polymorphism with increased blood pressure in persons exposed to different sound levels in Pakistan. Int Arch Occup Environ Health 2011; 84:355-60. [PMID: 21305316 DOI: 10.1007/s00420-011-0619-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2010] [Accepted: 01/19/2011] [Indexed: 10/18/2022]
Abstract
PURPOSE To investigate the role of ACE ID and ACE G2350A polymorphism in increasing the blood pressure of persons exposed to different sound levels. METHOD Persons exposed to normal sound level (≤80 dBA) and noise (>80 dBA) were divided in two categories on the basis of blood pressure. Category A was comprised of the individuals with blood pressure ranges equal or less than that for normotensive persons. Category B was composed of the workers with blood pressure above than that for category A. ACE ID and ACE G2350A polymorphism was detected for analysis of its association with the increased blood pressure considering noise as modifier. RESULTS Least homozygous allele model for ACE ID polymorphism indicates no association of DD allele with the increased blood pressure in persons exposed to normal sound (Odds ratio: 0.831; 95% Confidence interval: 0.340-2.030). Similar findings were noted in persons exposed to noise (Odds ratio: 0.992; 95% Confidence interval: 0.536-1.835). Combining all the samples did not change the results (Odds ratio: 0.948; 95% Confidence interval: 0.580-1.549). For ACE G2350A polymorphism, least common homozygote model revealed that AA allele did not affect the chances of increased blood pressure in normal sound exposed group (Odds ratio: 0.827; 95% Confidence interval: 0.169-4.042) and noise exposed group (Odds ratio: 1.416; 95% Confidence interval: 0.682-2.941). There was no prominent variation in the results on combining all the samples (Odds ratio: 1.529; 95% Confidence interval: 0.807-2.872). CONCLUSIONS No association was observed between ACE ID/ACE G2350A polymorphism and the increased blood pressure in persons exposed to normal sound and noise in Pakistani population.
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Affiliation(s)
- Syed Kashif Nawaz
- Department of Microbiology and Molecular Genetics, University of the Punjab, New Campus, Lahore, Pakistan.
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Wenquan Niu, Yue Qi, Pingjin Gao, Dingliang Zhu. Review: Association between angiotensin converting enzyme G2350A polymorphism and hypertension risk: a meta-analysis. J Renin Angiotensin Aldosterone Syst 2010; 12:8-14. [PMID: 20639399 DOI: 10.1177/1470320310375859] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Background and objective: An exonic polymorphism G2350A (rs4343) in angiotensin converting enzyme (protein: ACE; gene: ACE) was shown to exert the most significant influence on plasma ACE levels. We therefore performed a meta-analysis to investigate association of ACE G2350A polymorphism with hypertension. Methods: Published case-control studies in English were identified. A total of four studies with 1699 cases and 1274 controls were identified. A random-effects model was performed irrespective of the between-study heterogeneity. Study quality was assessed in duplicate. Results: Compared with 2350G, the ACE 2350A allele conferred a protective effect on hypertension (odds ratio (OR) = 0.81; 95% confidence interval (CI), 0.56—1.18; p = .28). Similarly, comparisons of 2350AA and 2350GA with 2350GG generated a nonsignificant reduced risk, respectively. Under the dominant model, the ACE 2350A allele conferred a reduced hypertension risk and such associations were divergent between Han Chinese and Muslims from the Arab Gulf and Pakistan. Under the recessive model, this protective effect was totally reversed (OR = 1.01; 95% CI, 0.77—1.33; p = .94). Subgroup analyses indicated a significant protective effect of ACE 2350A compared with 2350G among Muslims from the Arab Gulf and Pakistan (OR = 0.55; 95% CI, 0.42—0.71; p < .00001). No publication biases were observed. Conclusions: Our results demonstrate that the ACE 2350A allele is associated with a significantly reduced hypertension risk among Muslims from the Arab Gulf and Pakistan, yet an elevated risk among Han Chinese.
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Affiliation(s)
- Wenquan Niu
- State Key Laboratory of Medical Genomics, Ruijin Hospital, Shanghai, China Shanghai Institute of Hypertension, Ruijin Hospital, Shanghai, China, , Shanghai Key Laboratory of Vascular Biology, Ruijin Hospital, Shanghai, China, Sino-French Research Center for Life Science and Genomics, Ruijin Hospital, Shanghai, China
| | - Yue Qi
- Department of Epidemiology, Capital Medical University Affiliated Beijing Anzhen Hospital, Beijing Institute of Heart, Lung & Blood Vessel Diseases, Beijing, China
| | - Pingjin Gao
- State Key Laboratory of Medical Genomics, Ruijin Hospital, Shanghai, China Shanghai Institute of Hypertension, Ruijin Hospital, Shanghai, China, Shanghai Key Laboratory of Vascular Biology, Ruijin Hospital, Shanghai, China
| | - Dingliang Zhu
- State Key Laboratory of Medical Genomics, Ruijin Hospital, Shanghai, China Shanghai Institute of Hypertension, Ruijin Hospital, Shanghai, China, Sino-French Research Center for Life Science and Genomics, Ruijin Hospital, Shanghai, China
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Alvi FM, Hasnain S. ACE I/D and G2350A Polymorphisms in Pakistani Hypertensive Population of Punjab. Clin Exp Hypertens 2009; 31:471-80. [DOI: 10.1080/10641960902825479] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Vasudevan R, Ismail P, Stanslas J, Shamsudin N. Association of G2350A Polymorphism of Angiotensin Converting Enzyme Gene with Essential Hypertension and Type 2 Diabetes Mellitus in Malaysian Subjects. ACTA ACUST UNITED AC 2008. [DOI: 10.3923/jbs.2008.1045.1050] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Pan M, Zhu JH, Liu ZH, Jiang WP, Cui ZC, Yu XH, Li HM, Yang XJ. Angiotensin-Converting Enzyme Gene 2350 G/A Polymorphism Is Associated with Left Ventricular Hypertrophy but Not Essential Hypertension. Hypertens Res 2007; 30:31-7. [PMID: 17460369 DOI: 10.1291/hypres.30.31] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
The angiotensin-converting enzyme (ACE) gene (ACE) is one of the most studied candidate genes related to essential hypertension (EH) and left ventricular hypertrophy (LVH). ACE rs4343 synonymous coding polymorphism (2350 G/A) is known among the polymorphisms of this gene to have the most significant effect on plasma ACE concentrations. The aim of the present study was to investigate the association of this polymorphism with EH and LVH in 440 subjects (246 EH patients and 194 controls) from a Chinese Han population. In this study, 2350 G/A genotypes were identified by polymerase chain reaction and restriction digestion in all study participants, and left ventricular mass was assessed by 2-mode echocardiography in 178 untreated EH patients. There was no significant difference in either genotype distribution (p=0.3659) or allele frequency (p=0.1453) between EH and control groups. In addition, the 2350 G/A polymorphism had no effect on blood pressure in either controls or untreated EH patients. The distribution of genotypes differed significantly when patients with LVH were examined, i.e., 14.71% GG, 54.41% GA, and 30.88% AA patients had this complication, and 36.36% GG, 42.73% GA, and 20.91% AA patients did not (p=0.0070). The LVH patients had a higher A allele frequency (58.09%) than patients without LVH (42.27%) (p=0.0037). Logistic regression analysis revealed that the association between the A allele and LVH was independent of age, blood pressure, and body mass index. The relative risk of LVH in patients bearing the A allele (GA+AA group) compared with that of GG hypertensive patients was 3.31 (95% confidence interval [CI]: 1.43 to 7.68). These findings suggest an association between LVH and the 2350A allele in hypertensive patients.
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Affiliation(s)
- Min Pan
- Department of Cardiology, Affiliated Hospital of Nantong University, P.R. China
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Saeed M, Saleheen D, Siddiqui S, Khan A, Butt ZA, Frossard PM. Association of Angiotensin Converting Enzyme Gene Polymorphisms with Left Ventricular Hypertrophy. Hypertens Res 2005; 28:345-9. [PMID: 16138565 DOI: 10.1291/hypres.28.345] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
The angiotensin converting enzyme gene (ACE) is of much interest as a candidate gene conferring an individual's genetic susceptibility to left ventricular hypertrophy (LVH). LVH has long been thought to be an end point of essential hypertension (EH), rather than a separate entity, though it is influenced by a unique set of hormonal, vascular and genetic factors. In this study, we attempted to determine whether two representative polymorphisms of the ACE gene, ACE I/D and 2350 G>A, known to be associated with EH and to have a highly significant influence on plasma ACE levels, could implicate ACE as a quantitative trait locus (QTL) for LVH. We carried out a retrospective, case-control study of the two ACE polymorphisms amongst 180 nationals (50 LVH patients and 130 controls) from the United Arab Emirates (Emirati)--an ethnic group characterized by an absence of alcohol intake and cigarette smoking--for putative correlations with LVH. Clinical diagnoses of LVH were based on echocardiographic and ECG criteria. ACE I/D and 2350 G>A genotypes were determined by polymerase chain reaction (PCR) and restriction digestion. Univariate and multivariate logistic regression analyses revealed an association between ACE polymorphisms and LVH. Haplotype analysis further supported this finding. The ACE I/D and ACE 2350 G>A polymorphisms were in strong linkage disequilibrium and were independently associated with LVH, suggesting that ACE is likely to be a QTL for LVH. In conclusion, This is the first association study of the ACE 2350 G>A polymorphism with LVH; the results showed that this polymorphism, along with ACE I/D, is associated with LVH.
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Affiliation(s)
- Mohammad Saeed
- From the Department of Biological and Biomedical Sciences, Aga Khan University, Karachi, Pakistan
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Büscher R, Vester U, Wingen AM, Hoyer PF. Pathomechanisms and the diagnosis of arterial hypertension in pediatric renal allograft recipients. Pediatr Nephrol 2004; 19:1202-11. [PMID: 15365804 DOI: 10.1007/s00467-004-1601-2] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Arterial hypertension is common in pediatric renal allograft recipients. While the causes are multifactorial, including chronic graft rejection, immunosuppressive therapy, and renal vascular disorders, the effect of hypertension on renal allograft function is detrimental. As in adults, if not treated early and aggressively, hypertension may lead to cardiovascular damage and graft failure. Pathophysiological changes in the arteries and kidney af-ter renal transplantation and the impact of receptor regulation have not been studied extensively in children. For identifying children with hypertension following renal transplantation casual blood pressure measurements do not accurately reflect average arterial blood pressure and circadian blood pressure rhythm. Ambulatory 24-h blood pressure monitoring should regularly be applied in trans-plant patients. The purpose of this review is to analyze pathophysiological aspects of risk factors for arterial hypertension and underline the importance of regular blood pressure monitoring and early therapeutic intervention.
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Affiliation(s)
- R Büscher
- Department of Pediatric Nephrology, University Hospital, Essen, Germany.
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Abstract
Despite remarkable therapeutic advances in the management of patients with heart failure (HF), the mortality due to this syndrome remains high. Identifying free-living individuals who are at high risk for developing HF may allow implementing strategies that can prevent HF. Prospective epidemiologic studies have identified several risk factors and risk markers for HF. This article reviews current knowledge regarding conventional and newer risk markers for HF, outlines possible underlying mechanisms for the increased HF risk, and provides a framework for clinical multivariate risk prediction using HF risk factors.
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Affiliation(s)
- Satish Kenchaiah
- The National Heart, Lung, and Blood Institute's Framingham Heart Study, Framingham, MA 01702, USA
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Saeed M, Khan AN, Siddiqui S, Saboohi K, Ali SO, Frossard PM. Association of ACE gene haplotype with essential hypertension. J Hum Hypertens 2004; 18:913-4. [PMID: 15295612 DOI: 10.1038/sj.jhh.1001757] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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