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Preeclampsia proteinuria

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https://www.readbyqxmd.com/read/29455633/placental-growth-factor-vascular-endothelial-growth-factor-and-hypoxia-inducible-factor-1%C3%AE-in-the-placentas-of-women-with-preeclampsia
#1
Lobna E Ali, Magdi M Salih, Elhassan M Elhassan, Ahmed A Mohmmed, Ishag Adam
BACKGROUND: Although the exact mechanism of preeclampsia - high blood pressure and proteinuria after 20 gestational weeks - is not yet fully understood, placental growth factor (PLGF), vascular endothelial growth factor (VEGF) and hypoxia-inducible factor (HIF) are known to play important roles in vascularization and in the pathology of preeclampsia. METHODS: PLGF, VEGF and HIF-1α were evaluated by immunohistochemistry in the placentas of Sudanese women with mild or severe preeclampsia, and in normal controls...
February 18, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29455212/fetal-risks-and-maternal-renal-complications-in-pregnancy-with-preexisting-chronic-glomerulonephritis
#2
Yuehong Li, Wei Wang, Yujuan Wang, Qi Chen
BACKGROUND Analysis the maternal and fetal risk predictors in pregnancy in conjunction with chronic glomerulonephritis (CGN) patients are helpful to understand the influence of kidney diseases on pregnancy and the effects of pregnancy on kidney diseases. The aim of this study was to determine the predictors of adverse maternal and fetal outcomes in CGN patients. MATERIAL AND METHODS Maternal and fetal outcomes in 64 pregnancies of CGN patients were retrospectively analyzed. We randomly selected 100 low-risk-pregnancy women without chronic kidney disease (CKD) at the same time as the control group...
February 18, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29437897/tlr9-toll-like-receptor-9-agonist-suppresses-angiogenesis-by-differentially-regulating-vegfa-vascular-endothelial-growth-factor-a-and-sflt1-soluble-vascular-endothelial-growth-factor-receptor-1-in-preeclampsia
#3
Biwei He, Xingyu Yang, Yamei Li, Ding Huang, Xin Xu, Wenjun Yang, Yan Dai, Huijuan Zhang, Zhengjun Chen, Weiwei Cheng
Preeclampsia is a common pregnancy-specific disorder characterized by elevated blood pressure and proteinuria. Activation of the maternal immune system and impaired placental angiogenesis are thought to contribute to the pathogenesis of preeclampsia. TLR9 (Toll-like receptor 9) plays a role in innate immunity, defending the organism against infection. The purpose of this study was to determine whether TLR9 inhibits angiogenesis at the fetomaternal interface under conditions of preeclampsia. We confirmed the downregulation of VEGFA (vascular endothelial growth factor A) and upregulation of TLR9 and sFLT1 (soluble vascular endothelial growth factor receptor 1) in placentas from preeclamptic women...
February 5, 2018: Hypertension
https://www.readbyqxmd.com/read/29417031/atypical-preeclampsia-gestational-proteinuria
#4
Amy B Stevens, Diane M Brasuell, Rebecca N Higdon
There are many rural areas where obstetric care is predominately performed by family medicine physicians. As such, it is important for family medicine physicians to stay up to date with the latest obstetric guidelines. Preeclampsia is a well-established disorder and the guidelines for screening and treatment are well known. However, atypical presentations of preeclampsia have been less studied. Notably, what constitutes atypical preeclampsia and when to be concerned for increased morbidity and mortality in the mother and neonate...
July 2017: Journal of Family Medicine and Primary Care
https://www.readbyqxmd.com/read/29416379/outcome-of-pregnancy-after-renal-transplantation
#5
Sarah Mohamed Hassan, Radwa Fahmy, Eman Fawzy Omran, Eman Aly Hussein, Wafaa Ramadan, Dalia Farouk Abdelazim
Aim: The aim of our study was to compare the outcome of pregnancy in patients who became pregnant within 24 months of renal transplantation and patients who became pregnant more than 24 months after renal transplantation. Materials and methods: The sample population of our prospective cohort study comprised of 44 patients who became pregnant following renal transplantation. In all cases, living donors were used for renal transplantation. The patients were allocated into either group A, which included 24 patients who became pregnant more than 24 months after renal transplantation, or group B, which included 20 patients who inadvertently became pregnant within 24 months of renal transplantation...
2018: International Journal of Women's Health
https://www.readbyqxmd.com/read/29415560/current-model-systems-for-the-study-of-preeclampsia
#6
M L Martinez-Fierro, G P Hernández-Delgadillo, V Flores-Morales, E Cardenas-Vargas, M Mercado-Reyes, I P Rodriguez-Sanchez, I Delgado-Enciso, C E Galván-Tejada, J I Galván-Tejada, J M Celaya-Padilla, I Garza-Veloz
Preeclampsia (PE) is a pregnancy complex disease, distinguished by high blood pressure and proteinuria, diagnosed after the 20th gestation week. Depending on the values of blood pressure, urine protein concentrations, symptomatology, and onset of disease there is a wide range of phenotypes, from mild forms developing predominantly at the end of pregnancy to severe forms developing in the early stage of pregnancy. In the worst cases severe forms of PE could lead to systemic endothelial dysfunction, eclampsia, and maternal and/or fetal death...
January 1, 2018: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/29405962/progesterone-attenuates-hypertension-and-autoantibody-levels-to-the-angiotensin-ii-type-1-receptor-in-response-to-elevated-cadmium-during-pregnancy
#7
Qiong Zhang, Yinping Huang, Keke Zhang, Yan Yan, Jie Wu, Fan Wang, Yuan Zhao, Huifang Xu, Wei Jiang, Danyang Yu, Yongtao Chen, Duyun Ye
INTRODUCTION: Preeclampsia is associated with the presence of pathogenic angiotensin-receptor-activating autoantibodies. Cadmium is an increasingly prevalent environmental pollutant that can mimic oestrogens, which may enhance immunoglobulin production. Progesterone exerts opposite effects to oestrogen. METHODS: We measured the levels of cadmium and progesterone in preeclamptic patients and controls. Pregnant rats exposed to cadmium (0.125 mg/kg body weight) from gestational day 9-12 were treated with/without progesterone (3 mg/kg) beginning from gestational day 9 to delivery...
February 2018: Placenta
https://www.readbyqxmd.com/read/29391261/nanomedicine-as-a-potential-approach-to-empower-the-new-strategies-for-the-treatment-of-preeclampsia
#8
REVIEW
Lucie Valero, Khair Alhareth, Sophie Gil, Edouard Lecarpentier, Vassilis Tsatsaris, Nathalie Mignet, Thierry Fournier, Karine Andrieux
Preeclampsia is a serious pregnancy disorder characterized by the onset of high blood pressure and proteinuria. Although the understanding of the disease is increasing, it remains without treatment, other than the delivery of the baby and the placenta. This review sets out to discuss some new developments and strategies in the treatment of preeclampsia. We briefly review the current knowledge on the preeclamptic pathophysiology. We then examine the recent trends in preeclampsia treatment and, in particular, the tracks of potential therapeutic targets...
January 31, 2018: Drug Discovery Today
https://www.readbyqxmd.com/read/29371787/preeclampsia-from-inflammation-to-immunoregulation
#9
Denise C Cornelius
Preeclampsia (PE) affects 5% to 7% of pregnant women each year worldwide, accounts for up to 18% of maternal deaths in the United States each year, and is the number 1 cause of premature births. Preeclampsia is associated with hypertension after the 20th week of gestation with or without proteinuria, in conjunction with fetal growth restriction, maternal endothelial dysfunction, and chronic immune activation. The mechanisms leading to the development of PE are unclear. However, it is thought that shallow trophoblast invasion and insufficient remodeling of uterine spiral arteries result in placental ischemia...
2018: Clinical Medicine Insights. Blood Disorders
https://www.readbyqxmd.com/read/29353343/the-decreased-expression-of-stat3-and-p-stat3-in-preeclampsia-like-rat-placenta
#10
Zhan Zhang, Xiaofang Wang, Jinming Wang, Linlin Zhang
This study aims to investigate the expression of Stat3 and p-Stat3 in the placenta of a preeclampsia-like rat model induced by Nωnitro-L-arginine methyl ester (L-NAME). Two-to three-month-old (20 males, 40 females) Sprague-Dawley rats were used in this study. After conception was confirmed by vaginal smears, on the thirteenth day of pregnancy, the animals were allocated into two groups: control (0.9% NaCl administered) group and L-NAME (75 mg/kg) group. After the treatment of L-NAME, there was a significant increase in systolic blood pressure (SBP) levels in the L-NAME group (148...
January 20, 2018: Journal of Molecular Histology
https://www.readbyqxmd.com/read/29325127/inhibiting-trophoblast-par-1-overexpression-suppresses-sflt-1-induced-anti-angiogenesis-and-abnormal-vascular-remodeling-a-possible-therapeutic-approach-for-preeclampsia
#11
Yin Zhao, YanFang Zheng, XiaoXia Liu, QingQing Luo, Di Wu, XiaoPing Liu, Li Zou
STUDY QUESTION: Is it possible to improve vascular remodeling by inhibiting the excessive expression of protease activated receptor 1 (PAR-1) in trophoblast of abnormal placenta? SUMMARY ANSWER: Inhibition of trophoblast PAR-1 overexpression may promote placental angiogenesis and vascular remodeling, offering an alternative therapeutic approach for preeclampsia. WHAT IS KNOWN ALREADY: PAR-1 is high-affinity receptor of thrombin. Thrombin increases sFlt-1 secretion in trophoblast via the activation of PAR-1...
January 9, 2018: Molecular Human Reproduction
https://www.readbyqxmd.com/read/29303055/yap-is-decreased-in-preeclampsia-and-regulates-invasion-and-apoptosis-of-htr-8-svneo
#12
Man Sun, Quan Na, Ling Huang, Guiyu Song, Feng Jin, Yuanyuan Li, Yue Hou, Danyang Kang, Chong Qiao
Preeclampsia (PE) is a gestational disorder with hypertension and proteinuria leading to maternal and fetal morbidity and mortality. Yes-associated protein (YAP), a transcription coactivator of Hippo pathway, was identified as an oncoprotein participated in tumorigenesis. However, the effect of YAP on trophoblast has not been investigated. In our study, YAP expression levels in first-trimester, full-term, and PE placentas were detected using quantitative real-time polymerase chain reaction (PCR), Western blot assays, and immunohistochemistry...
January 1, 2018: Reproductive Sciences
https://www.readbyqxmd.com/read/29273682/down-regulation-of-decidual-sp1-and-p300-is-associated-with-severe-preeclampsia
#13
Yachao Zhang, Jieqiong Yang, Shi-Jian Lv, Dong-Qin Zhao, Zi-Jiang Chen, Weiping Li, Cong Zhang
Preeclampsia is a pregnancy-induced disorder characterized by hypertension and proteinuria after 20 weeks of gestation, affecting 5-7% of pregnancies worldwide. So far, the etiology of PE remains poorly understood. Abnormal decidualization is thought to contribute to the development of preeclampsia. SP1 belongs to the Sp/KLF super family and can recruit P300 to regulate transcription of several genes. SP1 is also very important for decidualization as it enhances the expression of tissue factor. In this study, we investigated the expression of SP1 and P300 in deciduae and their relationship with PE...
December 22, 2017: Journal of Molecular Endocrinology
https://www.readbyqxmd.com/read/29261496/-new-perspectives-on-preeclampsia
#14
Céline Méhats, Francisco Miralles, Daniel Vaiman
Preeclampsia is a major, frequent and potentially severe condition of pregnancy, characterized by severe hypertension and proteinuria. In this review, we describe recent advances in understanding the pathology, and discuss the long-term impacts on maternal vascular health. Next, we describe the genetic, epigenetic and immunological basis of preeclampsia. We describe the links between preeclampsia and oxidative stress in placental (trophoblast) and endothelial cells. We mention cellular and animal models commonly used to decipher modified pathophysiological pathways in a preeclamptic pregnancy compared to a normal pregnancy...
December 2017: Médecine Sciences: M/S
https://www.readbyqxmd.com/read/29250138/apelin-as-a-novel-drug-for-treating-preeclampsia
#15
Chengshu Wang, Xiaoli Liu, Desheng Kong, Xijing Qin, Yanqing Li, Xu Teng, Xianghua Huang
Preeclampsia is a pregnancy-specific disorder of new-onset hypertension and proteinuria after 20 weeks' gestation, often resulting in poor outcome. Previous studies demonstrated that apelin is an endogenous active peptide with visodilation and anti-oxidative stress capabilities. The present study investigated the effects of apelin in a rat model of preeclampsia induced by reduced uterine perfusion pressure (RUPP). Rats with RUPP displayed hypertension and poor pregnancy outcomes, such as decreased fetal and placental weight...
December 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29244779/omega-3-long-chain-polyunsaturated-fatty-acids-and-preeclampsia-trials-say-no-but-is-it-the-final-word
#16
REVIEW
Denis I Burchakov, Irina V Kuznetsova, Yuliya B Uspenskaya
Preeclampsia is a dangerous disorder of pregnancy, defined as hypertension with proteinuria. Its nature remains elusive, and measures of prevention and treatment are limited. Observational studies have suggested that preeclampsia is associated with low intake of omega-3 long-chain polyunsaturated fatty acids (LCPUFA). In recent decades, researchers studied LCPUFA supplementation as a measure to prevent preeclampsia. Most of these trials and later systematic reviews yielded negative results. However, these trials had several important limitations associated with heterogeneity and other issues...
December 15, 2017: Nutrients
https://www.readbyqxmd.com/read/29212079/plasma-et-1-concentrations-are-elevated-in-pregnant-women-with-hypertension-meta-analysis-of-clinical-studies
#17
Yong-Ping Lu, Ahmed Abdallah Hasan, Shufei Zeng, Berthold Hocher
BACKGROUND/AIMS: The ET system might be involved in the pathogenesis of hypertensive disorders during pregnancy. The objective is to analyse the impact of ET-1 in hypertensive pregnant women by a strict meta-analysis of published human clinical studies. METHODS: Based on the principle of Cochrane systematic reviews, Cohort studies in PubMed (Medline), Google Scholar and China Biological Medicine Database (CBM-disc) designed to identify the role of endothelin-1 (ET-1) in the pathophysiology of gestational hypertension and preeclampsia were screened...
November 28, 2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/29208172/investigation-of-role-of-vascular-endothelial-growth-factor-annexin-a5-and-apelin-by-immunohistochemistry-method-in-placenta-of-preeclampsia-patients
#18
Nese Colcimen, Gülay Bulut, Ozlem Ergul Erkec, Murat Cetin Ragbetli
Preeclampsia is a disease characterized by hypertension and proteinuria occurred after 20 weeks of gestation. Preeclampsia is a major cause of maternal and fetal morbidity and mortality.  The pathophysiological mechanism of preeclampsia is not known exactly yet. Preeclampsia endothelial cell dysfunction, associated with inadequate trophoblastic invasion is characterized by abnormal placentation. Vascular endothelial growth factor (VEGF) according to is an angiogenic cytokine, Annexin A5 is among endogenous peptides are both expressed from placental trophoblasts and Apelin is a multifunctional peptide and expressed by placental trophoblasts and endothelial cells...
November 30, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/29196992/assessing-the-circulating-placental-specific-anti-angiogenic-protein-sflt-1-e15a-in-preeclampsia
#19
Kirsten Palmer
Preeclampsia is a common obstetric complication globally responsible for a significant burden of maternal and perinatal morbidity and mortality. The anti-angiogenic protein, sFLT-1, plays a central role in its pathophysiology. sFLT-1 is released from a range of tissues into the circulation, where it antagonizes the activity of vascular endothelial growth factor and placental growth factor leading to endothelial dysfunction. The resulting widespread endothelial dysfunction produces the clinical features of preeclampsia including hypertension and proteinuria...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29193681/angiogenic-factors-potential-to-change-clinical-practice-in-preeclampsia
#20
REVIEW
Ana Sofia Cerdeira, Swati Agrawal, Anne Cathrine Staff, Christopher W Redman, Manu Vatish
Preeclampsia is a complex disease with significant maternal and fetal morbidity and mortality. Its syndromic nature makes diagnosis and management difficult. The field is rapidly evolving with the definition of preeclampsia being challenged by some organizations with proteinuria no longer being essential in the presence of other features. In the last decade angiogenic factors, in particular soluble fms-like tyrosine kinase 1 (sFlt-1), have emerged as important molecules in the pathogenesis of preeclampsia. Here we review the most recent evidence regarding the potential of these factors as biomarkers and therapeutic targets for preeclampsia...
November 29, 2017: BJOG: An International Journal of Obstetrics and Gynaecology
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