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Wu H, Jia X, Zhao H, Huang Y, Liu C, Huang Z, Li S, Wang J. Identification of SEPP1 polymorphisms is not a genetic risk factor for preeclampsia in Chinese Han women: A clinical trial and experimental study. Medicine (Baltimore) 2017; 96:e7249. [PMID: 28700468 PMCID: PMC5515740 DOI: 10.1097/md.0000000000007249] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/01/2016] [Revised: 05/28/2017] [Accepted: 05/30/2017] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND SEPP1 encodes selenoprotein P, which involved in oxidative stress and plays an important role in the development of preeclampsia (PE). The aim of this study was to investigate the association between PE and genetic variants of SEPP1 in Chinese Han women. METHODS In all, 2434 unrelated pregnant women were recruited, including 1034 PE cases and 1400 normal pregnant controls. TaqMan allelic discrimination real-time PCR method was used to genotype the 2 polymorphisms of rs7579 and rs230813 in SEPP1. RESULTS No statistically significant difference in genotypic or allelic frequencies were found at the 2 genetic variants in SEPP1 between PE patients and controls (rs7579: genotype χ = 2.417, P = .299 and allele χ = 0.197, P = .761, odds ratio 1.049, 95% confidence interval 0.744-1.151; rs230813: genotype χ = 3.273, P = .195 and allele χ = 0.252, P = .615, odds ratio 0.971, 95% confidence interval 0.864-1.091). There were also no statistically significant differences in genetic distributions between mild/severe PE or early/late-onset PE and control subgroups. CONCLUSION Our data indicate that the 2 genetic variants of rs7579 and rs230813 in SEPP1 may not play a role in the pathogenesis of PE in Chinese Han Women.
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Affiliation(s)
- Hong Wu
- Department of Prenatal Diagnosis, Yantai Yuhuangding Hospital, Yantai
| | - Xuewen Jia
- Prenatal Diagnosis Center, the Affiliated Hospital of Qingdao University, Qingdao
- Department of Cardiology, the Affiliated Hospital of Qingdao University, Qingdao
| | - Hong Zhao
- Department of Blood Transfusion, the Second Affiliated of Harbin Medical University, Harbin
| | - Youmin Huang
- Department of Clinical Laboratory, Tengzhou Central People's Hospital, Zaozhuang
| | - Chang Liu
- Prenatal Diagnosis Center, the Affiliated Hospital of Qingdao University, Qingdao
| | - Zuzhou Huang
- Prenatal Diagnosis Center, the Affiliated Hospital of Qingdao University, Qingdao
| | - Shunjun Li
- Department of Clinical Laboratory, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, Chengdu, China
| | - Jingli Wang
- Prenatal Diagnosis Center, the Affiliated Hospital of Qingdao University, Qingdao
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Genetic polymorphisms of glutathione S-transferase Z1 (GSTZ1) and susceptibility to preeclampsia. Mol Biol Rep 2012; 39:8995-8. [DOI: 10.1007/s11033-012-1769-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2011] [Accepted: 06/07/2012] [Indexed: 11/25/2022]
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Abstract
A systematic review and meta-analysis was conducted using MEDLINE, EMBASE, and the Cochrane Library to investigate the association between preeclampsia and arterial stiffness. Twenty-three relevant studies were included. A significant increase in all arterial stiffness indices combined was observed in women with preeclampsia vs. women with normotensive pregnancies [standardized mean difference 1.62, 95% confidence interval (CI) 0.73-2.50]; carotid-femoral pulse wave velocity (cfPWV) and augmentation index (AIx) were also significantly increased (weighted mean difference, WMDcfPWV 1.04, 95% CI 0.34-1.74; WMDAIx 15.10, 95% CI 5.08-25.11), whereas carotid-radial PWV (crPWV) increase did not reach significance (WMDcrPWV 0.99, 95% CI -0.07 to 2.05). Significant increases in arterial stiffness measurements were noted in women with preeclampsia compared with those with gestational hypertension. Arterial stiffness measurements may also be useful in predicting preeclampsia and may play a role in the increased risk of future cardiovascular complications seen in women with a history of preeclampsia.
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Pappa KI, Roubelakis M, Vlachos G, Marinopoulos S, Zissou A, Anagnou NP, Antsaklis A. Variable effects of maternal and paternal-fetal contribution to the risk for preeclampsia combining GSTP1, eNOS, and LPL gene polymorphisms. J Matern Fetal Neonatal Med 2010; 24:628-35. [PMID: 20836743 PMCID: PMC3055718 DOI: 10.3109/14767058.2010.511351] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Objective To evaluate the maternal, paternal, and fetal genotype contribution to preeclampsia. Study design, materials, and methods We combined the analysis of polymorphisms of the GSTP1, eNOS, and LPL genes – affecting biotransformation enzymes and endothelial function – in a cohort of 167 preeclamptic and normal control trios (mother, father, and child) comprising a total of 501 samples in the Greek population, never analyzed before by this approach. Results For the frequency of the GSTP1 Ile105/Val105, the eNOS Glu298Asp and the LPL-93 polymorphisms, statistically significant differences were found between the two groups. However, the transmission rates of the parental alleles to neonates studied by the transmission disequilibrium test, disclosed no increased rate of transmission to preeclampsia children for the variant alleles of Val105 GSTP1, 298Asp eNOS, and -93G LPL. Conclusions These novel data, suggest that interaction of all three types of genotypes (mother, father and neonate), reveals no effects on the development of preeclampsia, but provide the impetus for further studies to decipher the individual contribution of each genetic parameter of preeclampsia.
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Affiliation(s)
- Kalliopi I Pappa
- First Department of Obstetrics and Gynecology, University of Athens School of Medicine, Alexandra University Hospital, Athens, Greece.
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Portelinha A, Belo L, Cerdeira AS, Braga J, Tejera E, Pinto F, Pinto A, Areias MJ, Patrício B, Rebelo I. Lipid levels including oxidized LDL in women with history of preeclampsia. Hypertens Pregnancy 2010; 29:93-100. [PMID: 20132024 DOI: 10.3109/10641950902968593] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Preeclampsia (PE), a leading cause of maternal and perinatal morbidity and mortality worldwide, is a hypertensive disorder of unknown aetiology characterized by proteinuria, coagulation abnormalities and different systemic manifestations. Since there are no studies regarding the evaluation of oxidized LDL (oxLDL) in women with a history of PE, we focused on the evaluation of lipid profile and oxLDL plasma concentration several years after pregnancy to see if these women have any modifications in these parameters that may be linked to the risk of cardiovascular disease (CVD) in the future. Ninety women with a history of PE and 60 controls in a median interval of 6 years after pregnancy were recruited. Plasma oxLDL levels were measured using a two-site enzyme immunoassay. Concentration of cholesterol, triglycerides (TG), HDL-cholesterol (HDLc) and LDL-cholesterol (LDLc) were measured by automated enzymatic assays. To evaluate apoA and apoB levels automated immunoturbidimetric assays were used. In the group of women with a history of PE, gestational age at delivery was significantly earlier in comparison with the control group, whereas birth weight was significantly lower and there were more caesarean sections. Systolic and diastolic blood pressures were significantly higher in women with a history of PE than in the control group. Significantly higher obesity anthropometric markers (BMI and waist-to-hip ratio) were found in women with a history of PE. As consistent with other authors' findings, blood pressure was higher in these women, but lipid profile did not seem to play a role in the increased risk of cardiovascular disease.
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Affiliation(s)
- Ana Portelinha
- Institute for Molecular and Cell Biology, University of Porto, Portugal.
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Chaiworapongsa T, Romero R, Kim YM, Kim GJ, Kim MR, Espinoza J, Bujold E, Gonçalves L, Gomez R, Edwin S, Mazor M. Plasma soluble vascular endothelial growth factor receptor-1 concentration is elevated prior to the clinical diagnosis of pre-eclampsia. J Matern Fetal Neonatal Med 2009; 17:3-18. [PMID: 15804781 DOI: 10.1080/14767050400028816] [Citation(s) in RCA: 273] [Impact Index Per Article: 18.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
OBJECTIVE Accumulating evidence suggests that the balance between vascular endothelial growth factor (VEGF), placental growth factor (PIGF), and their receptors is important for effective vasculogenesis, angiogenesis, and placental development. Recently, the soluble form of VEGFR-1 (sVEGFR-1), an antagonist to VEGF and PIGF, has been implicated in the pathophysiology of pre-eclampsia. Plasma sVEGFR-1 concentration is elevated in pre-eclampsia at the time of clinical diagnosis and correlates with the severity of the disease. The purpose of this study was to determine whether the concentrations of sVEGFR-1 in plasma of pre-eclamptic patients change prior to the clinical manifestations of the disease. METHODS A longitudinal case-control study was conducted in normal pregnant women (n = 44) and patients with pre-eclampsia (n = 44). Blood sampling was performed at six intervals: (1) 7-16 weeks; (2) 16-24 weeks; (3) 24-28 weeks; (4)28-32 weeks; (5) 32-36 weeks; and (6) more than 37 weeks of gestation. To examine the relationship between plasmasVEGFR-1 concentration and interval to clinical diagnosis of pre-eclampsia, plasma samples of pre-eclamptic patients at different gestational ages were stratified according to the interval from blood sampling to clinical development of the disease into five groups: (1) at clinical manifestation; (2) 2-5 weeks; (3) 6-10 weeks; (4) 11-16 weeks; and (5) 17-25 weeks before clinical manifestations. Plasma concentrations of sVEGFR-1 were determined by enzyme-linked immunoassay. Parametric statistics and repeated measure procedures were used for the analysis. RESULTS The mean plasma sVEGFR-1 concentration in pre-eclamptic patients before the clinical manifestation of the disease was significantly higher than in normal pregnant women at 24-28, 28-32, and 32-37 weeks of gestation (p = 0.02,p < 0.001, and p < 0.001, respectively). In contrast, no significant differences in the mean plasma sVEGFR-1 concentration between patients with pre-eclampsia and normal pregnant women were observed both at 7-16 weeks and 16-24 weeks of gestation (p= 0.1 and p= 0.9). Similarly, the mean plasma sVEGFR-1 concentration was significantly higher in pre-eclamptic patients than in normal pregnant women at clinical manifestation, at 2-5 weeks (mean 3.8 weeks), and at 6-10 weeks (mean 8.2 weeks) prior to the development of clinical pre-eclampsia (p < 0.001, p < 0.001, and p = 0.002,respectively). Among patients with early-onset pre-eclampsia (defined as gestational age of 34 weeks or less), the mean plasma sVEGFR-1 concentration was significantly higher in pre-eclampsia (before clinical diagnosis) than in normal pregnant women at 24-28 (mean 26.4) weeks of gestation (p = 0.008). In contrast, among patients with the late-onset disease(defined as gestational age of more than 34 weeks), plasma sVEGFR-1 concentration in pre-clinical pre-eclampsia was significantly higher than in normal pregnant women at 28-32 (mean 30.2) weeks of gestation (p < 0.001). CONCLUSIONS Plasma sVEGFR-1 concentration is elevated in pre-eclampsia prior to the clinical diagnosis of the disease. This elevation began 6-10 weeks prior to the clinical manifestations, and the increase was more pronounced at 2-5 weeks before the diagnosis, as well as at clinical presentation. Furthermore, in early-onset pre-eclampsia, plasma concentration ofsVEGFR-1 is elevated earlier than the late-onset disease.
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Affiliation(s)
- Tinnakorn Chaiworapongsa
- Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI 48201, USA
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Ahenkorah L, B.A. Owire W, F. Laing E, Amidu N, A. Turpin C. Lipid Profile and Lipid Peroxidation among Ghanaian Pregnancy-Induced Hypertensives. JOURNAL OF MEDICAL SCIENCES 2008. [DOI: 10.3923/jms.2008.691.698] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Sharma JB, Sharma A, Bahadur A, Vimala N, Satyam A, Mittal S. Oxidative stress markers and antioxidant levels in normal pregnancy and pre-eclampsia. Int J Gynaecol Obstet 2006; 94:23-7. [PMID: 16730727 DOI: 10.1016/j.ijgo.2006.03.025] [Citation(s) in RCA: 112] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2005] [Revised: 03/12/2006] [Accepted: 03/15/2006] [Indexed: 10/24/2022]
Abstract
OBJECTIVE To compare the levels of 3 oxidative stress markers (glutathione peroxidase [GPX], superoxide dismutase [SOD], and malondialdehyde [MDA]) and 2 antioxidants (vitamin C and lycopene) in healthy and pre-eclamptic pregnant women. METHODS Circulating levels of GPX, SOD, MDA, vitamin C and lycopene were measured in 50 healthy pregnant women and 50 women with pre-eclampsia (PE) (41 with mild PE and 9 with severe PE) attending the antenatal clinic or admitted to the maternity ward of the All-India Institute of Medical Sciences, New Delhi, India. RESULTS The levels of GPX, SOD and MDA were significantly higher in women with PE than in controls, and the increase was higher in women with severe PE (P<0.001 using analysis of variance and the Kruskal Wallis test). The levels of vitamin C and lycopene were significantly lower in women with PE than in controls, with a greater decrease in women with severe PE. CONCLUSION Increased levels of oxidative stress markers and decreased levels of antioxidants in pre-eclamptic women suggest that oxidative stress markers play a significant role in the pathophysiology of pre-eclampsia, and that supplemental dietary antioxidants may have a beneficial role in the prevention of pre-eclampsia in women at high-risk for this condition.
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Affiliation(s)
- J B Sharma
- Department of Obstetrics and Gynaecology, All-India Institute of Medical Sciences, New Delhi, India.
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Cetin M, Pinarbasi E, Percin FE, Akgün E, Percin S, Pinarbasi H, Gurlek F, Cetin A. No association of polymorphisms in the glutathione S-transferase genes with pre-eclampsia, eclampsia and HELLP syndrome in a Turkish population. J Obstet Gynaecol Res 2005; 31:236-41. [PMID: 15916660 DOI: 10.1111/j.1447-0756.2005.00281.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
AIM There is substantial evidence that genetic factors play a role in pre-eclampsia. The aim of this study was to determine whether genetic variability in the encoding of genes for glutathione S-transferase M1 (GSTM1) and glutathione S-transferase T1 (GSTT1) contributes to individual differences in susceptibility to pre-eclampsia, eclampsia, or hemolysis, elevated liver enzymes, and low platelets (HELLP syndrome). METHODS A total of 221 women with pre-eclampsia, eclampsia and HELLP syndrome and 147 healthy female controls were genotyped for GSTM1 and GSTT1 polymorphisms by polymerase chain reaction (PCR). Statistical evaluation of differences in polymorphic rates was carried out using chi(2) analysis. RESULTS This study included 140 pre-eclamptic, 33 eclamptic and 48 HELLP syndrome cases and 147 healthy controls. The frequencies for the GSTM1 null genotype were 58%, 45%, and 60% for pre-eclampsia, eclampsia, and HELLP syndrome, respectively, and in controls it was 55%. The distribution of the GSTT1 null genotype was 22%, 21%, and 27% for pre-eclampsia, eclampsia, and HELLP syndrome, respectively, and in controls it was 22%. There was no significant association between GSTM1 and GSTT1 polymorphisms and pre-eclampsia, eclampsia, and HELLP syndrome. CONCLUSION Our data do not support a role for polymorphisms of the GSTM1 and GSTT1 genes in the pathogenesis of pre-eclampsia, eclampsia and HELLP syndrome.
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Affiliation(s)
- Meral Cetin
- Department of Obstetrics and Gynecology, Cumhuriyet University School of Medicine, Sivas, Turkey.
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Spinnato JA, Livingston JC. Prevention of Preeclampsia With Antioxidants: Evidence From Randomized Trials. Clin Obstet Gynecol 2005; 48:416-29. [PMID: 15805799 DOI: 10.1097/01.grf.0000160312.74983.f3] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Joseph A Spinnato
- Department of Obstetrics and Gynecology, University of Cincinnati College of Medicine, Cincinnati, Ohio 45202, USA.
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Mahadik KV, Sina SA. Study of serum levels of superoxide dismutase in preeclampsia and eclampsia: role of the test as a predictive tool. J Obstet Gynaecol Res 2003; 29:262-7. [PMID: 12959150 DOI: 10.1046/j.1341-8076.2003.00105.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
AIM To report serum levels of superoxide dismutase in women with preeclampsia and eclampsia. To document the use of the value as a predictive tool for deciding the time of onset of subsequent convulsions with fulminating eclampsia and use of the value as a marker for obstetric intervention in clinical severe preeclampsia and eclampsia. METHODS Superoxide dismutase concentration was measured in a consecutive study in sera of women admitted in obstetric ward for preeclampsia and eclampsia, and compared with sera of normotensive, healthy pregnant women in third trimester. Three mL venous blood was subjected to superoxide dismutase estimation by pyrogallol autoxidation method. RESULTS We found statistically significant difference (P < 0.05) in mean superoxide dismutase levels of normotensive pregnant women; and preeclamptic and eclamptic subjects, no statistically significant difference was found in between value of enzyme in preeclampsia and eclampsia (P > 0.05). Superoxide dismutase levels in two pregnancy outcomes; live births and still births, shows significant difference (P < 0.05), being 1.03 U/mL and 0.52 U/mL, respectively. The comparison of values before delivery and after delivery showed highly statistically significant difference (P < 0.001) in both groups separately. The cut-off value of serum superoxide dismutase 0.52 U/mL has sensitivity 68.5%, specificity 59.5% and negative predictive value of 78.6%, for predicting the fetal death as outcome of pregnancy with severe grade of disease. CONCLUSION We found low levels of serum superoxide dismutase, less than 0.52 U/mL, being the predecessor of fulminating eclampsia. Our results support this predictive value of serum superoxide dismutase level as important in deciding the time of intervention as termination of pregnancy.
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Affiliation(s)
- Kalpana Vijay Mahadik
- Department of Obstetrics and Gynaecology, R.D. Gardi Medical College, and Ujjain Charitable Trust Hospital and Research Center, Ujjain, India.
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