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Hasan HA, AbuOdeh RO, Muda WAMBW, Mohamed HJBJ, Samsudin AR. Association of Vitamin D receptor gene polymorphisms with metabolic syndrome and its components among adult Arabs from the United Arab Emirates. Diabetes Metab Syndr 2017; 11 Suppl 2:S531-S537. [PMID: 28392355 DOI: 10.1016/j.dsx.2017.03.047] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2017] [Accepted: 03/31/2017] [Indexed: 01/01/2023]
Abstract
AIMS The aim was to investigate relationships of Vitamin D receptor gene (VDR) polymorphisms to the components of MetS among Arabs adult residing in the United Arab Emirates. METHODS A cross-sectional study of 198 Arabs adult (50 males and 148 females). Serum levels of glucose, vitamin D, HDL-C, and TG, and blood pressure were measured. FokI, BsmI & TaqI genotyping of VDR were investigated using PCR-RFLP technique. RESULTS Age of the participants was 21(9) years with a BMI of 26.8(7.8) kg/m2. About 15% had MetS with serum vitamin D levels of 25.5(18.2) nmol/L. VDR genotyping yielded: FokI: 57.1% FF and 38.9% Ff, BsmI: 29.8% bb and 51.5% Bb, while TaqI showed 39.4% TT and 43.4% Tt. The ff carriers had higher total cholesterol [174(12.4) mg/dl] than FF and Ff genotypes. Bb carriers showed higher BMI and LDL-C than BB and bb genotypes. In females, FokI VDR polymorphism showed significant association with systolic blood pressure (SBP) and F allele carriers were at higher risk of developing high SBP [x2=4.4, df1, OR=0.29 (95%CI: 0.087-0.98), p=0.035]. CONCLUSION VDR gene polymorphisms were not associated with MetS, yet it may affect the severity of some of components of MetS, namely the association of BsmI with obesity, FokI and BsmI with dyslipidemia and FokI with SBP.
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Affiliation(s)
- Hayder A Hasan
- College of Health Sciences, Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates.
| | - Ra'ed O AbuOdeh
- College of Health Sciences, Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
| | | | | | - Ab Rani Samsudin
- College of Dentistry, Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
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Ramanathan G, Elumalai R, Periyasamy S, Lakkakula BVKS. Renin gene rs1464816 polymorphism contributes to chronic kidney disease progression in ADPKD. J Biomed Sci 2016; 23:1. [PMID: 26753721 PMCID: PMC4710007 DOI: 10.1186/s12929-015-0217-0] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2015] [Accepted: 12/28/2015] [Indexed: 01/02/2023] Open
Abstract
Background Autosomal dominant polycystic kidney disease (ADPKD) is a monogenic disorder and is a common genetic cause of chronic renal failure in children and adults. The enzyme renin plays a key role in the RAAS cascade and an important role in the development of hypertension and progression of renal disease in ADPKD. The present study is aimed to investigate the potential modifier effect of REN gene polymorphisms on the progression of chronic kidney disease (CKD) in ADPKD. Methods We analyzed 102 ADPKD patients and 106 healthy controls from the same geographic area. FRET-based KASPar single-nucleotide polymorphism (SNP) genotyping assays for REN gene tag-SNPs (rs2887284, rs2368564, rs1464816, rs7521667, rs10900555, rs6693954, rs6676670 and rs11571078) were performed. Cochran-Armitage trend test was used to assess the potential associations between these polymorphisms and CKD stages. Haplotype frequencies and LD measures were estimated by using the software Haploview. Mantel-Haenszel stratified analysis was used to explore confounding and interaction effects of these polymorphisms. Results Of the eight tag-SNPs genotyped, the rs10900555 polymorphism deviated from the Hardy-Weinberg equilibrium in controls. The presence of ADPKD in general was not significantly associated with the REN tag-SNPs included in this study. Linkage disequilibrium analysis yielded three haplotype blocks and the haplotypes of the respective blocks are not statistically different between ADPKD and controls. In multivariate analysis, the rs1464816 TG genotype showed a significant association with the advancement of CKD in ADPKD (OR = 4.80; 95 % CI = 1.30–17.82; p = 0.019). Conclusions The present study provides evidence that the rs1464816 polymorphism in REN is associated with CKD progression in ADPKD. Electronic supplementary material The online version of this article (doi:10.1186/s12929-015-0217-0) contains supplementary material, which is available to authorized users.
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Affiliation(s)
| | | | | | - Bhaskar V K S Lakkakula
- Department of Biomedical Sciences, Sri Ramachandra University, Chennai, India. .,Genetic Lab, Department of Biochemistry, Sickle Cell Institute Chhattisgarh, Pt. JNM Medical College, Raipur, 492001, CG, India.
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Niu S, Zhang B, Zhang K, Zhu P, Li J, Sun Y, He N, Zhang M, Gao Z, Li X, Simayi A, Ge J, Cong M, Zhou W, Qiu C. Synergistic effects of gene polymorphisms of the renin-angiotensin-aldosterone system on essential hypertension in Kazakhs in Xinjiang. Clin Exp Hypertens 2015; 38:63-70. [PMID: 26305278 DOI: 10.3109/10641963.2015.1060985] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
OBJECTIVE To assess the synergistic effects of gene polymorphisms of the renin-angiotensin-aldosterone system (RAAS) on essential hypertension (EH) in Kazakhs in Xinjiang. METHODS A cross-sectional case-control association study was conducted in 52 1 hypertensive and 623 normotensive subjects of Kazakh ethnicity on eight common single nucleotide polymorphisms (SNPs) interspersed over five genes of the RAAS. SNPs were genotyped by polymerase chain reaction-restriction fragment length polymorphism. Interactions among the SNPs were analyzed by the multifactor dimensionality reduction method (MDR). RESULTS In single-locus analysis, subjects with AGT -6G, ACE D, and CYP11B2 -344C had increased susceptibility to EH (OR: 1.249; 1.425; 1.201). When subgrouped by sex, males with the t allele of REN Taq I had decreased risk for EH (OR: 0.529), and those with AGT -6G and CYP11B2 -344 C had increased risk for EH (OR: 1.498; 1.449). In females, carrying ACE D increased the risk for EH. (OR: 1.327). In six AGT haplotypes, H1 was protective, while H3 increased susceptibility to EH (OR: 0.683; 2.025). Interaction analysis by MDR showed that there was a strong synergistic effect between ACE I/D and CY11B2 (T-344C) and a moderate interaction between both ACE I/D and CY11B2 T-344C and AGT A-6G. CONCLUSIONS There was a strong synergistic effect between ACE I/D and CY11B2 T-344C and a moderate effect between both ACE I/D and CY11B2 T-344C and AGT A-6G. AGT -6G, ACE D, and CY11B2 -344C increased susceptibility to EH. REN Taq I, AGT -6G, CY11B2 -344 C and ACE D were associated with male and female EH, respectively. H1 and H3 of AGT were protective and risk haplotypes, respectively.
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Affiliation(s)
- Shudong Niu
- a Basic Medical Science College, Qiqihar Medical University , Qiqihar , China
| | - Bin Zhang
- b Medical Sciences, Chinese Academy of Medical Sciences (National laboratory of Medical Molecular Biology) , Beijing , China
| | - Keyong Zhang
- a Basic Medical Science College, Qiqihar Medical University , Qiqihar , China
| | - Pengcheng Zhu
- c Department of Cardiology , The Fourth Affiliated Hospital of Xinjiang Medical University , Urumuqi , China
| | - Jingping Li
- a Basic Medical Science College, Qiqihar Medical University , Qiqihar , China
| | - Yujing Sun
- b Medical Sciences, Chinese Academy of Medical Sciences (National laboratory of Medical Molecular Biology) , Beijing , China
| | - Ning He
- a Basic Medical Science College, Qiqihar Medical University , Qiqihar , China
| | - Mingtao Zhang
- d Altay Region People's Hospital , Aletai City , China , and
| | - Zhiying Gao
- a Basic Medical Science College, Qiqihar Medical University , Qiqihar , China
| | - Xueyan Li
- a Basic Medical Science College, Qiqihar Medical University , Qiqihar , China
| | - Amuti Simayi
- e People's General Hospital of Xinjiang Uyghur Autonomous Region , Urumuqi , China
| | - Jie Ge
- a Basic Medical Science College, Qiqihar Medical University , Qiqihar , China
| | - Mingyu Cong
- a Basic Medical Science College, Qiqihar Medical University , Qiqihar , China
| | - Wenna Zhou
- b Medical Sciences, Chinese Academy of Medical Sciences (National laboratory of Medical Molecular Biology) , Beijing , China
| | - Changchun Qiu
- a Basic Medical Science College, Qiqihar Medical University , Qiqihar , China
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Park J, Song K, Jang Y, Kim Yoon S. A polymorphism of the renin gene rs6682082 is associated with essential hypertension risk and blood pressure levels in Korean women. Yonsei Med J 2015; 56:227-34. [PMID: 25510769 PMCID: PMC4276760 DOI: 10.3349/ymj.2015.56.1.227] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
PURPOSE The aim of the present study was to investigate associations between the renin gene (REN) and the risk of essential hypertension and blood pressure (BP) levels in Koreans. MATERIALS AND METHODS To outline the functional role of a single nucleotide polymorphism in the transcription of the REN gene, we conducted a case-control study of 1975 individuals: 646 hypertension (HT) patients and 1329 ethnically and age-matched normotensive subjects. RESULTS Logistic regression analysis indicated that the genotypes AA/AG were strongly associated with risk of HT (odds ratio, 1.493; 95% confidence interval, 1.069-2.086, p=0.018) in female subjects. The genotypes AA/AG also showed significant association with higher blood pressure levels, both systolic and diastolic, in postmenopausal HT women (p=0.003 and p=0.017, respectively). Analysis of the promoter containing rs6682082 revealed a 2.4±0.01-fold higher activity in the A variant promoter than the G variant promoter, suggesting that rs6682082 is itself a functional variant. CONCLUSION We suggest that the A allele of rs6682082 is a positive genetic marker for predisposition to essential hypertension and high BP in Korean women and may be mediated through the transcriptional activation of REN.
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Affiliation(s)
- Jongkeun Park
- Department of Medical Life Science, The Catholic University of Korea, Seoul, Korea
| | - Kijun Song
- Department of Biostatistics, Yonsei University College of Medicine, Seoul, Korea
| | - Yangsoo Jang
- Cardiovascular Genome Center, Cardiovascular Yonsei University Medical Center, Seoul, Korea
| | - Sungjoo Kim Yoon
- Department of Medical Life Science, The Catholic University of Korea, Seoul, Korea.
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Li J, Feng M, Wang Y, Li Y, Zhang Y, Li L, Xiong J, Lu C, Wang B, Cheng Z, Tang B, Niu W. The relationship between three X-linked genes and the risk for hypertension among northeastern Han Chinese. J Renin Angiotensin Aldosterone Syst 2014; 16:1321-8. [PMID: 25143330 DOI: 10.1177/1470320314534510] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Affiliation(s)
- Jinxin Li
- Department of Cardiology, The First Affiliated Hospital of Xinjiang Medical University, China
| | - Min Feng
- Clinical Laboratory of Diagnostic Department, The Affiliated Tumor Hospital of Xinjiang Medical University, China
| | - Yanli Wang
- Department of Cardiology, The Second Affiliated Hospital of Qiqihar Medical University, China
| | - Yaodong Li
- Department of Cardiology, The First Affiliated Hospital of Xinjiang Medical University, China
| | - Yanyi Zhang
- Department of Cardiology, The First Affiliated Hospital of Xinjiang Medical University, China
| | - Lei Li
- Department of Cardiology, The First Affiliated Hospital of Xinjiang Medical University, China
| | - Jian Xiong
- Department of Cardiology, The First Affiliated Hospital of Xinjiang Medical University, China
| | - Changzhu Lu
- Department of Physiology, Qiqihar Medical University, China
| | - Bin Wang
- Department of Physiology, Qiqihar Medical University, China
| | - Zuheng Cheng
- Department of Cardiology, The First Affiliated Hospital of Xinjiang Medical University, China
| | - Baopeng Tang
- Department of Cardiology, The First Affiliated Hospital of Xinjiang Medical University, China
| | - Wenquan Niu
- State Key Laboratory of Medical Genomics, Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, China
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Afruza R, Islam LN, Banerjee S, Hassan MM, Suzuki F, Nabi AN. Renin gene polymorphisms in bangladeshi hypertensive population. J Genomics 2014; 2:45-53. [PMID: 25057323 PMCID: PMC4105428 DOI: 10.7150/jgen.5193] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Objective: Linkages of renin gene polymorphisms with hypertension have been implicated in several populations with contrasting results. Present study aims to assess the pattern of renin gene polymorphisms in Bangladeshi hypertensive individuals. Methodology: Introns 1, 9 of renin gene and 4063 bases upstream of promoter sequence of renin gene were amplified from the genomic DNA of the total 124 (hypertensive and normotensive) subjects using respective primers. Polymerase chain reaction-based restriction fragment length polymorphisms were performed using BglI, MboI and TaqI restriction enzymes. Results: Homozygosity was common in renin gene regarding BglI (bb=48.4%, Bb=37.9%, BB=13.7%, χ2 =1.91, P>0.05), TaqI (TT=81.5%, Tt=14.5%, tt=4.0%, χ2 =7.50, P<0.01) and MboI (mm=63.7%, Mm=32.3%, MM=4.0%, χ2=0.00, P>0.05) polymorphisms among total study population. For BglI and TaqI genotype distribution, hypertensive subjects (BglI: χ2 =6.66, P<0.05; TaqI: χ2 = 10.28, P<0.005) significantly deviate from Hardy-Weinberg Equilibrium law compared to normotensive subjects (BglI: χ2=0.51, P>0.05; TaqI: χ2=0.20, P>0.05). On the other hand, with respect to MboI polymorphisms of renin gene, only normotensive subjects deviate from the law (patients: χ2=1.28, P>0.05; vs controls: χ2=6.81, P<0.01). In the context of allelic frequency, common T allele was clearly prevalent (T frequency=0.86, t frequency = 0.14) for TaqI, but rare alleles b and m were more frequent for both BglI (b frequency=0.69, B frequency=0.31) and MboI (m frequency=0.80 M frequency=0.20) polymorphisms, respectively. Conclusion: Thus, we report that Bangladeshi hypertensive subjects did not show any distinct pattern of renin gene polymorphisms compared to their healthy control subjects with regard to their genotypic and allelic frequencies.
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Affiliation(s)
- Rownock Afruza
- 1. Department of Biochemistry and Molecular Biology, University of Dhaka, Dhaka-1000
| | - Laila N Islam
- 1. Department of Biochemistry and Molecular Biology, University of Dhaka, Dhaka-1000
| | - Sajal Banerjee
- 2. Department of Cardiology, Bangabandhu Sheikh Mujib Medical University
| | - Md Mahbub Hassan
- 3. Laboratory Medicine Division, Apollo Hospitals, Dhaka, Bangladesh
| | - Fumiaki Suzuki
- 4. Laboratory of Animal Biochemistry, Faculty of Applied Biological Sciences, Gifu University, Japan
| | - Ahm Nurun Nabi
- 1. Department of Biochemistry and Molecular Biology, University of Dhaka, Dhaka-1000
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Niu W, Qi Y, Guo S, Gao P, Zhu D. Association of renin BglI polymphism with essential hypertension: a meta-analysis involving 1811 cases and 1626 controls. Clin Exp Hypertens 2010; 32:431-8. [PMID: 20925572 DOI: 10.3109/10641961003686419] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
In an effort to clarify association of an intronic polymorphism BglI in a renin gene with essential hypertension, we performed a meta-analysis of the case-control association studies. Publications in the English language and human subjects were searched in PubMed and EMBASE as of July 10, 2009. A fixed-effects model was applied to pool data in the absence of between-studies heterogeneity, and a random-effects model otherwise. Data and study quality were assessed in duplicate. Publication bias was evaluated using the fail-safe number. From three studies with four populations including 1811 patients with essential hypertension and 1626 controls, we found a significant association of renin BglI B with an increased risk for essential hypertension (OR = 1.25; 95% CI, 1.11 to 1.41; P = 0.0002). In addition, significance persisted after assuming the dominant (OR = 1.30; 95% CI, 1.13 to 1.51; P = 0.0004) mode of inheritance, while no significance was observed for the recessive mode (OR = 1.46; 95% CI, 0.82 to 2.60; P = 0.20). The fail-safe number at the level of 0.05 supported these significant associations. In sum, our meta-analysis expands previous findings by showing that the presence of renin BglI B allele is associated with an increased risk in developing essential hypertension, and this effect might act in a dominant mode of inheritance. Further studies are warranted to fully address questions about the etiologic mechanisms of this positive association.
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Affiliation(s)
- Wenquan Niu
- State Key Laboratory of Medical Genomics, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China.
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Haplotype-based association of the renin-angiotensin-aldosterone system genes polymorphisms with essential hypertension among Han Chinese: the Fangshan study. J Hypertens 2009; 27:1384-91. [PMID: 19412130 DOI: 10.1097/hjh.0b013e32832b7e0d] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
BACKGROUND Widely evaluated regarding the genetic make-up of essential hypertension are the renin-angiotensin-aldosterone system (RAAS) genes polymorphisms, whereas results are often not reproducible. METHOD We thus focused on a large Fangshan population to explore association of thirteen polymorphisms in five genes of RAAS. Genotyping was performed using polymerase chain reaction-restriction fragment length polymorphism and direct sequencing techniques. Data were analyzed using MDR and Haplo.stats programs. RESULTS All studied polymorphisms satisfied Hardy-Weinberg equilibrium in controls. Three polymorphisms (AGT M235T, ACE I/D and AT1R A1166C) displayed significant differences in the genotype and allele distributions between patients and controls (P < 0.05). Interaction analysis suggested a six-locus model that can be decomposed into three sets of polymorphisms (TaqI and M235T, A-20C and A-6G, I/D and A2350G) each with nonadditive effects. Logistic regression analysis indicated that TaqI [Recessive: crude odds ratio (ORcrude) = 1.47, P = 0.030 and adjusted (ORadjusted) = 1.46, P = 0.050] and I/D (Recessive: ORcrude = 1.40, P = 0.002 and ORadjusted = 1.49, P = 0.002) polymorphisms were significantly and positively associated with the risk of essential hypertension. Under additive and recessive modes of inheritance, similar tendency was observed for M235T polymorphism. Two haplotypes (H6 and H9) were found to significantly reduce essential hypertension risk, whereas after correction only H6 remained significant (OR = 0.25, P = 0.0006). In contrast, haplotype H13 was significantly associated with essential hypertension with a 2.14-2.16-fold increased risk (P < 0.01). Haplotype-phenotype analysis showed significant association of inferred haplotypes with SBP (hap-score = 0.44, simulated P = 0.036). CONCLUSION Taken together, we demonstrated three two-locus pairs of polymorphisms with synergistic effect out of three genes in RAAS and found significant haplotype-phenotype interaction. Functional studies to confirm or refute these findings are warranted.
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Niu W, Qi Y, Hou S, Zhou W, Qiu C. Correlation of angiotensin-converting enzyme 2 gene polymorphisms with stage 2 hypertension in Han Chinese. Transl Res 2007; 150:374-80. [PMID: 18022600 DOI: 10.1016/j.trsl.2007.06.002] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/08/2007] [Revised: 05/23/2007] [Accepted: 06/01/2007] [Indexed: 11/17/2022]
Abstract
Experimental evidence indicates that angiotensin-converting enzyme 2 (ACE2), a homologue of human ACE, might negatively regulate the activated renin-angiotensin-aldosterone system (RAAS) and might function as a protective regulator in the pathogenesis of hypertension. However, association studies regarding ACE2 are sparse in the literature, with negative results in the majority of cases. Here we conducted an association study between 2 intronic polymorphisms (A1075G and G8790A) of the ACE2 gene and stage 2 hypertension in Han Chinese. We genotyped the 2 polymorphisms in 1494 subjects (808 stage 2 hypertensives and 686 normotensives) recruited from the Fangshan district (Beijing). Data were analyzed using chi(2) test, 1-way analysis of variance, and logistic regression where appropriate. The frequency of A1075G allele distribution in males differed significantly (P < 0.0001), whereas the genotype and allele distributions of G8790A polymorphism were similar, between stage 2 hypertensives and normotensives. Systolic blood pressure (SBP) differed significantly in females across both genotypes: SBP was significantly lower in subjects with the 1075AA and 8790GG genotypes, higher in the 1075GG (+13.65 mm Hg versus AA) and 8790AA (+13.36 mm Hg versus GG) genotypes, and intermediate in the 1075AG (+5.76 mm Hg versus AA) and 8790GA (+5.65 mm Hg versus GG) genotypes. Our data suggest that the polymorphism (A1075G) might be a risk factor-at least a marker-for stage 2 hypertension in males and that the 2 studied polymorphisms might be the indicators of systolic hypertension in females.
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Affiliation(s)
- Wenquan Niu
- National Laboratory of Medical Molecular Biology, the Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences/Peking Union Medical College (CAMS/PUMC), Beijing, China.
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Qi Y, Niu W, Zhou W, Hou S, Qiu C. Correlation between angiotensinogen gene polymorphisms and essential hypertension in Chinese population. J Hum Hypertens 2007; 22:147-50. [PMID: 17823594 DOI: 10.1038/sj.jhh.1002282] [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: 11/09/2022]
Abstract
Essential hypertension (EHT) has a genetic basis. Considering the pathological, physiological and biological mechanisms implicated in blood pressure regulation, many candidates have been listed as hypertension genes, of which the angiotensinogen gene (AGT) is weighed as the most promising one.
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