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Author (up) Kvehaugen, A.S.; Melien, O.; Holmen, O.L.; Laivuori, H.; Oian, P.; Andersgaard, A.B.; Dechend, R.; Staff, A.C. url  doi
  Title Single nucleotide polymorphisms in G protein signaling pathway genes in preeclampsia Type Journal Article
  Year 2013 Publication Hypertension Abbreviated Journal Hypertension  
  Volume 61 Issue 3 Pages 655-661  
  Keywords Adult; Atherosclerosis/epidemiology/genetics; Biological Specimen Banks/statistics & numerical data; European Continental Ancestry Group/genetics/statistics & numerical data; Female; Gene Frequency; Genetic Predisposition to Disease/epidemiology; Heterotrimeric GTP-Binding Proteins/*genetics; Humans; Norway/epidemiology; Polymorphism, Genetic; *Polymorphism, Single Nucleotide; Pre-Eclampsia/epidemiology/*genetics; Pregnancy; Prevalence; RGS Proteins/*genetics; Receptor, Angiotensin, Type 1/genetics; Signal Transduction/*genetics; Young Adult  
  Abstract Preeclampsia is a pregnancy specific disorder and a risk factor for later cardiovascular disease. The cause and detailed pathophysiology remains unknown. G protein signaling is involved in a variety of physiological processes, including blood pressure regulation. We assessed whether distributions of 3 single nucleotide polymorphisms in genes coding for components of G protein signaling pathways that have been associated with hypertension differ between women with preeclampsia and normotensive pregnant women; the G protein beta3 subunit gene (GNB3) C825T polymorphism (rs5443), the angiotensin II type 1 receptor gene (AGTR1) 3'UTR A1166C polymorphism (rs5186), and the regulator of G protein signaling 2 gene (RGS2) 3'UTR C1114G polymorphism (rs4606). Two separate Norwegian study populations were used; a large population based study and a smaller, but clinically well-described pregnancy biobank. A descriptive study of 43 women with eclampsia was additionally included. In the population-based study, an increased odds of preeclampsia (odds ratio, 1.21; [95% confidence interval, 1.05-1.40]; P=0.009) and recurrent preeclampsia (odds ratio, 1.43; [95% confidence interval, 1.06-1.92];, P=0.017) was found in women carrying the rs4606 CG or GG genotype. In early-onset preeclamptic patients with decidual spiral artery biopsies available (n=24), the rs4606 CG or GG genotype was more frequent in those with acute atherosis (resembling early stage of atherosclerosis) compared with those without: odds ratio, 15.0; (95% confidence interval, 2.02-111.2); P=0.004. No association was found between preeclampsia and the rs5443 or the rs5186. The genotype distribution in eclamptic women was not different from preeclamptic women. In conclusion, RGS2 rs4606 may affect the risk and progression of preeclampsia.  
  Address Department of Obstetrics, Oslo University Hospital, Oslo, Norway  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0194-911X ISBN Medium  
  Area Expedition Conference  
  Notes PMID:23339167 Approved no  
  Call Number HUNT @ maria.stuifbergen @ Serial 1432  
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