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1.
Hypertens Pregnancy ; 36(1): 77-83, 2017 Feb.
Article in English | MEDLINE | ID: mdl-27835032

ABSTRACT

OBJECTIVES: In this study, we hypothesized that dietary salt and potassium intake may be related with blood pressure, kidney damage and perinatal outcome in pregnants with preeclampsia (PE). METHODS: In total, 200 women (50 control women with healthy pregnancy, 150 women with PE) were recruited for the study. Daily salt and potassium intake was estimated based on calculation of 24-hour urinary sodium U[Na+] and potassium U[K+] excretion. U[Na+]/[K+] was calculated by dividing U[Na+] by U[K+]. At the end of the measurements, the pregnant women with PE (n=150) were divided into tertiles according to U[Na+]/[K+]: low Na/K group (n=50, mean U[Na+]/[K+]: 1,04±0,32), medium Na/K group (n=50, mean U[Na+]/[K+]: 2,49± 0,54), high Na/K group (n=50, mean U[Na+]/[K+]: 6,62±3,41). RESULTS: The mean SBP and DBP levels were significantly lower in low Na/K group compared with medium or high Na/K groups (p=0.024, p=0.0002; respectively). Serum creatinine was significantly lower in low Na/K group than high Na/K group (p=0.025). Frequency of severe preeclampsia is lower in low Na/K group than medium or high Na/K groups (p=0.002, p=0.0001; respectively). Birth weight and gestational age at birth were higher in low Na/K group compared with high Na/K group (p=0.045, p=0.0002; respectively). After adjusting for covariates, SBP and DBP and creatinine levels were independently associated with 24 hours urinary [Na+]/[K+] Conclusion: These findings suggest that pregnant with PE with high dietary salt and low potassium intake may have greater maternal and neonatal morbidity risk than pregnant with PE under low dietary salt and high potassium intake.


Subject(s)
Hypertension/etiology , Kidney Diseases/etiology , Potassium, Dietary , Pre-Eclampsia/etiology , Sodium, Dietary , Adolescent , Adult , Body Mass Index , Creatinine/blood , Female , Humans , Hypertension/blood , Kidney Diseases/blood , Pre-Eclampsia/blood , Pregnancy , Pregnancy Outcome , Young Adult
2.
J Matern Fetal Neonatal Med ; 30(7): 808-813, 2017 Apr.
Article in English | MEDLINE | ID: mdl-27147460

ABSTRACT

BACKGROUND: Preeclampsia is characterized by an increase in high blood pressure and decrease in GFR and proteinuria, however, the underlying mechanisms are still unclear. Renalase is a recently discovered protein implicated in regulation of blood pressure in humans. MATERIALS AND METHODS: Plasma concentrations of serum renalase were measured in healthy controls, healthy pregnant and pregnant with preeclampsia matched for age, gestational age, in the third trimester of pregnancy. Serum renalase levels were compared in pregnant with and without preeclampsia and non-pregnant controls. Factors associated with serum renalase levels in pregnancies were also evaluated. RESULTS: In healthy pregnant serum renalase levels were significantly higher than in controls. However, pregnant with preeclampsia had lower renalase levels than healthy controls. Serum renalase levels were inversely associated with blood pressure levels and positively correlated with glomerular filtration rate. CONCLUSION: The results indicated that the development of preeclampsia in pregnant is accompanied by altered serum renalase levels. High blood pressure and kidney damage that characterize this disorder are mediated at least in part by low renalase levels.


Subject(s)
Biomarkers/blood , Monoamine Oxidase/blood , Pre-Eclampsia/blood , Pre-Eclampsia/diagnosis , Adult , Blood Pressure , Case-Control Studies , Female , Glomerular Filtration Rate , Humans , Hypertension/blood , Hypertension/complications , Hypertension/physiopathology , Kidney Diseases/complications , Pre-Eclampsia/etiology , Pre-Eclampsia/physiopathology , Pregnancy , Pregnancy Trimester, Third/blood , Young Adult
3.
Mol Biol Rep ; 38(5): 2911-8, 2011 Jun.
Article in English | MEDLINE | ID: mdl-20127182

ABSTRACT

The presenting study was investigated the associations between individual susceptibility and cigarette smoke on maternal chromosomal damage and neonatal birth growth in smoking mothers since little known about genetic susceptibility to cigarette smoke in relation to adverse pregnancy outcome such as birth growth. Sixty-one pregnant women who completed a questionnaire at Ankara Education and Research Hospital, Department of Obstetrics and Gynecology have enrolled in this study. GSTM1 and OGG1 ser326Cys gene polymorphisms were analysed by RFLP-PCR (Restriction Fragment Length Polymorphism-Polymerase Chain Reaction) as possible genetic factors affecting susceptibility to such health effects of smoking and chromosomal damage was performed by chromosomal aberration assay (CAA) in maternal blood lymphocytes. Maternal self-reported history of pregnancy smoking was informed by questionnaire declaration. Our results showed that maternal smoking had significant effect on chromosomal damage, birth weight, and length. The frequencies of CA in smokers was significantly higher than that of the nonsmokers (3.46 ± 2.06 and 2.00 ± 1.3, P = 0.001). Birth weight and length in smokers were significantly higher that of nonsmokers (3,355 g and 49.57 cm, P = 0.001; 3,639 g and 50.79 cm, P = 0.002). On the other hand, there was a slightly increased in the frequencies of CA and reduction birth weight and length in GSTM1 null and length in OGG1 variant genotypes, those differences were not statistically significant (P > 0.05); likely due to small sample size. Larger sample size needs to reach significance.


Subject(s)
Birth Weight/genetics , Chromosome Aberrations/chemically induced , DNA Glycosylases/genetics , Glutathione Transferase/genetics , Nicotiana/adverse effects , Polymorphism, Genetic , Smoking/adverse effects , Adult , DNA Damage , Female , Genotype , Humans , Mothers , Pregnancy , Pregnancy Complications/chemically induced , Pregnancy Complications/genetics , Young Adult
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