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Preeclampsia proteinuria

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https://www.readbyqxmd.com/read/28820409/-the-role-of-angiogenic-factors-in-the-diagnostics-of-pregnancy-complicated-with-preeclampsia
#1
I Tagiyeva, S Aliyeva, S Bagirova, N Shamsadinskaya, K Agaeva
The pathophysiology of preeclampsia remains largely unknown. It has been hypothesized that placental ischemia is an early event, leading to placental production of a soluble factor or factors that cause maternal endothelial dysfunction, resulting in the clinical findings of hypertension, proteinuria, and edema. Here, we confirm that placental soluble fms-like tyrosine kinase 1 (sFlt1), an antagonist of vascular growth factor (VEGF) and placental growth factor (PIGF), is upregulated in preeclampsia, leading to increased systemic levels of sFlt1...
July 2017: Georgian Medical News
https://www.readbyqxmd.com/read/28793357/preeclampsia
#2
José Geraldo Lopes Ramos, Nelson Sass, Sérgio Hofmeister Martins Costa
The authors review hypertensive disease during pregnancy with an academic and practical view, and using the best evidence available. This disease, which is the most important clinical disease in Brazilian pregnant women, may have its incidence reduced with prevention through the use of calcium and aspirin in pregnant women at risk. Previously, it was a disease that presented with hypertension with proteinuria, but it has now been classified with new clinical parameters besides proteinuria. Morbidity and mortality should be reduced in a continental country such as Brazil using protocols for the early treatment of complications by calculating severe outcomes in preeclampsia...
August 9, 2017: Revista Brasileira de Ginecologia e Obstetrícia
https://www.readbyqxmd.com/read/28781906/cystatin-c-as-a-marker-for-renal-impairment-in-preeclampsia
#3
Apeksha Niraula, Madhab Lamsal, Nirmal Baral, Shankar Majhi, Seraj Ahmed Khan, Pritha Basnet, Kashyap Dahal
Preeclampsia is a devastating pregnancy-associated disorder characterized by the onset of hypertension, proteinuria, and edema with limited plausible pathophysiology known. Cystatin-C, a novel marker for the detection of renal impairment, is increased in preeclampsia at an early stage. This study was aimed to evaluate the diagnostic efficiency of Cystatin-C as an early marker of renal function in preeclampsia comparing it to the traditional renal markers. A hospital based comparative cross-sectional study was performed on 104 women (52 diagnosed cases of preeclampsia and 52 healthy pregnant women)...
2017: Journal of Biomarkers
https://www.readbyqxmd.com/read/28774740/cadmium-inhibits-placental-trophoblast-cell-migration-via-mirna-regulation-of-the-transforming-growth-factor-beta-tgf-%C3%AE-pathway
#4
Samira A Brooks, Rebecca C Fry
Preeclampsia (PE), a condition during pregnancy that involves high blood pressure and proteinuria, is potentially fatal to both mother and child. PE currently has no etiology or cure but has been tied to poor placental trophoblast migration. Increased levels of the toxic metal cadmium (Cd) have been associated with increased risk of developing PE, as well as miRNA-associated regulation of the transforming growth factorbeta (TGF-β) pathway. Signal reprogramming of the TGF-β pathway via epigenetic mechanisms is hypothesized to modify placental trophoblast function...
July 31, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28764979/apical-periodontitis-a-predictor-variable-for-preeclampsia-a-case-control-study
#5
Navid Khalighinejad, Anita Aminoshariae, James C Kulild, Andre Mickel
INTRODUCTION: Preeclampsia (PE) is characterized by hypertension and proteinuria after the 20th week of gestation. There is an association between systemic inflammation and adverse pregnancy outcomes such as PE. Therefore, for the first time, the present study aimed to investigate the possible association between maternal apical periodontitis (AP) and PE. METHODS: In this case-control study, 50 mothers who were diagnosed with PE during pregnancy were included in the experimental group...
July 29, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28751269/impaired-mitochondrial-fusion-autophagy-biogenesis-and-dysregulated-lipid-metabolism-is-associated-with-preeclampsia
#6
Xiaobo Zhou, Ting-Li Han, Hong Chen, Philip N Baker, Hongbo Qi, Hua Zhang
Preeclampsia(PE) is a pregnancy complication that is diagnosed by the new onset of hypertension and proteinuria. The etiology of PE remains unclear; however, growing evidence indicates that mitochondrial impairment contributes to the pathogenesis. Therefore, we aim to investigate the function of mitochondria in the development of PE. The mitochondrial metabolome in preeclamptic (n = 11) and normal (n = 11) placentas were analyzed using Gas chromatography-mass spectrometry (GC-MS). Student's t-tests and receiver operating characteristic (ROC) curves were conducted to determine which mitochondrial metabolites differed significantly between the two groups...
July 24, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28747409/spot-urine-protein-measurements-in-normotensive-pregnancies-pregnancies-with-isolated-proteinuria-and-preeclampsia
#7
Andrea Kattah, Natasa Milic, Wendy M White, Vesna D Garovic
We performed a prospective, longitudinal study of pregnant women presenting to their first obstetrics visits to characterize the changes in spot urine protein-to-creatinine (UPCR) and albumin-to-creatinine ratios (UACR) in normotensive pregnancies, as well as identify clinical characteristics associated with isolated proteinuria and preeclampsia. We measured spot urinary albumin, protein, and creatinine at the first prenatal visit, end of the second trimester, and at delivery. In normotensive pregnancy (n=142), we found that from the beginning of pregnancy to delivery, UACR increased by a median (interquartile range (IQR)) of 14...
July 26, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/28738719/maternal-serum-glycodelin-levels-in-preeclampsia-and-its-relationship-with-the-severity-of-the-disease
#8
Betul Dundar, Burcu Dincgez Cakmak, Burcu Aydin Boyama, Burak Karadag, Gulten Ozgen
PURPOSE: Preeclampsia, in which insufficient trophoblastic invasion is thought to be one of the underlying mechanisms, is a common pregnancy disorder. Glycodelin is a regulator of immunosuppression, fertilization, implantation and placentation. Because of its inhibitory effects on trophoblastic activity, trophoblast invasion is disturbed when its levels alter. We aimed to analyze serum glycodelin levels in preeclampsia and evaluate whether it correlates with the severity of disease. METHODS: This is a prospective case control study conducted in a research and training hospital between March and September 2016...
July 24, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28729288/urinary-extracellular-vesicles-of-podocyte-origin-and-renal-injury-in-preeclampsia
#9
Sarwat I Gilani, Ulrik Dolberg Anderson, Muthuvel Jayachandran, Tracey L Weissgerber, Ladan Zand, Wendy M White, Natasa Milic, Maria Lourdes Gonzalez Suarez, Rangit Reddy Vallapureddy, Åsa Nääv, Lena Erlandsson, John C Lieske, Joseph P Grande, Karl A Nath, Stefan R Hansson, Vesna D Garovic
Renal histologic expression of the podocyte-specific protein, nephrin, but not podocin, is reduced in preeclamptic compared with normotensive pregnancies. We hypothesized that renal expression of podocyte-specific proteins would be reflected in urinary extracellular vesicles (EVs) of podocyte origin and accompanied by increased urinary soluble nephrin levels (nephrinuria) in preeclampsia. We further postulated that podocyte injury and attendant formation of EVs are related mechanistically to cellfree fetal hemoglobin (HbF) in maternal plasma...
July 20, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28726518/differential-responses-of-mesenteric-arterial-bed-to-vasoactive-substances-in-l-name-induced-preeclampsia-role-of-oxidative-stress-and-endothelial-dysfunction
#10
Taline A S Amaral, Dayane T Ognibene, Lenize C R M Carvalho, Ana Paula M Rocha, Cristiane A Costa, Roberto S Moura, Angela C Resende
To investigate the systemic and placental oxidant status as well as vascular function in experimental preeclampsia (PE) induced by nitro-L-arginine methyl ester (L-NAME). Fetal parameters and maternal blood pressure, proteinuria, mesenteric arterial bed (MAB) reactivity, and systemic and placental oxidative stress were compared between four groups: pregnant rats receiving L-NAME (60 mg/kg/day, orally) (P + L-NAME) or vehicle (P) from days 13 to 20 of pregnancy and nonpregnant rats receiving L-NAME (NP + L-NAME) or vehicle (NP) during 7 days...
July 20, 2017: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/28716993/low-soluble-fms-like-tyrosine-kinase-1-endoglin-and-endothelin-1-levels-in-women-with-confirmed-or-suspected-preeclampsia-using-proton-pump-inhibitors
#11
Langeza Saleh, Raaho Samantar, Ingrid M Garrelds, Anton H van den Meiracker, Willy Visser, A H Jan Danser
Patients with preeclampsia display elevated placenta-derived sFlt-1 (soluble Fms-like tyrosine kinase-1) and endoglin levels and decreased placental growth factor levels. Proton pump inhibitors (PPIs) decrease trophoblast sFlt-1 and endoglin secretion in vitro. PPIs are used during pregnancy to combat reflux disease. Here, we investigated whether PPIs affect sFlt-1 in women with confirmed/suspected preeclampsia, making use of a prospective cohort study involving 430 women. Of these women, 40 took PPIs (6 esomeprazole, 32 omeprazole, and 2 pantoprazole) for 8 to 45 (median 29) days before sFlt-1 measurement...
September 2017: Hypertension
https://www.readbyqxmd.com/read/28711073/lupus-nephritis-and-pregnancy-concerns-and-management
#12
Liz Lightstone, Michelle A Hladunewich
Pregnancy associated with lupus, especially lupus nephritis, is often fraught with concern for both the mother and fetus. Thus, it is paramount that care begins preconception so that proper planning in terms of optimizing the medical regimen, discontinuation of fetotoxic agents, and treatment of active disease can occur. It is well known that active nephritis at the time of conception is associated with poor outcomes. Even with quiescent disease, recent data indicate that being lupus anticoagulant-positive, nonwhite or Hispanic, and using antihypertensive medications were all predictors of worse pregnancy outcomes...
July 2017: Seminars in Nephrology
https://www.readbyqxmd.com/read/28711072/chronic-kidney-disease-and-pregnancy
#13
Michelle A Hladunewich
Women with chronic kidney disease (CKD) are at risk for adverse pregnancy-associated outcomes, including progression of their underlying renal dysfunction, a flare of their kidney disease, and adverse pregnancy complications such as preeclampsia and preterm delivery. Earlier-stage CKD, as a rule, is a safer time to have a pregnancy, but even women with end-stage kidney disease have attempted pregnancy in recent years. As such, nephrologists need to be comfortable with pregnancy preparation and management at all stages of CKD...
July 2017: Seminars in Nephrology
https://www.readbyqxmd.com/read/28708773/angiotensin-ii-responsiveness-after-preeclampsia-translational-data-from-an-experimental-rat-model-and-early-onset-human-preeclampsia
#14
Anne M van der Graaf, Tsjitske J Toering, Mienke W K van der Wiel, Anne-Roos S Frenay, Gerd Wallukat, Ralf Dechend, Gerjan Navis, Henk Groen, A Titia Lely, Marijke M Faas
OBJECTIVE: Formerly preeclamptic women have an increased risk for cardiovascular and renal disease later in life. It is unknown which mechanisms contribute to this increased risk and whether this is induced by preeclampsia or by prepregnancy factors. We hypothesized that the increased risk for cardiovascular disease is partly due to an increased angiotensin II (ang II) responsiveness postpartum and that preeclampsia itself is involved in inducing this increased ang II responsiveness. METHODS: In never-pregnant, formerly healthy pregnant rats and rats with former experimental preeclampsia [experimental preeclampsia model induced by low-dose endotoxin infusion on day 14 of pregnancy; endotoxin-infused pregnant rats (EP-rats)], ang II responsiveness was studied by measuring changes in blood pressure (BP) and proteinuria after chronic ang II infusion with osmotic minipumps (200 ng/kg per min)...
July 13, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28705036/pregnancy-outcomes-among-women-with-systemic-lupus-erythematosus-a-retrospective-cohort-study-from-thailand
#15
S Phansenee, R Sekararithi, P Jatavan, T Tongsong
Objective The objective of this paper is to compare adverse pregnancy outcomes between normal pregnancies and pregnancies with systemic lupus erythematosus (SLE), particularly focusing on uncomplicated SLE with remission. Methods A retrospective cohort study was conducted by accessing the Maternal-Fetal Medicine (MFM) Unit database and the full medical records of the women. The records of singleton pregnancies with SLE and no underlying disease were assigned as the study group and their medical records were reviewed...
January 1, 2017: Lupus
https://www.readbyqxmd.com/read/28701023/preterm-preeclampsia-and-timing-of-delivery-a-systematic-literature-review
#16
José Paulo de Siqueira Guida, Fernanda Garanhani Surita, Mary Angela Parpinelli, Maria Laura Costa
Introduction Preeclampsia, a multifactorial disease with pathophysiology not yet fully understood, is a major cause of maternal and perinatal morbidity and mortality, especially when preterm. The diagnosis is performed when there is an association between arterial hypertension and proteinuria or evidence of severity. There are unanswered questions in the literature considering the timing of delivery once preterm preeclampsia has been diagnosed, given the risk of developing maternal complications versus the risk of adverse perinatal outcomes associated with prematurity...
July 12, 2017: Revista Brasileira de Ginecologia e Obstetrícia
https://www.readbyqxmd.com/read/28694210/circulating-microrna-expression-as-predictor-of-preeclampsia-and-its-severity
#17
Deeba S Jairajpuri, Zainab H Malalla, Naeema Mahmood, Wassim Y Almawi
Preeclampsia (PE) is a pregnancy syndrome characterized by hypertension and proteinuria, and a leading cause of maternal and fetal morbidity and mortality, with poorly defined pathophysiological mechanisms remain. Circulating microRNAs (miRNAs) are small, noncoding RNA molecules, which negatively regulate gene expression, and considered as promising biomarkers for PE. The objective of the study was to evaluate circulating miRNA signatures in women with PE compared to healthy women, and in women sub-grouped per PE severity...
July 7, 2017: Gene
https://www.readbyqxmd.com/read/28672944/effective-prediction-of-preeclampsia-by-measuring-serum-angiotensin-ii-urinary-angiotensinogen-and-urinary-transforming-growth-factor-%C3%AE-1
#18
Lihong Zhang, Yunjiao Zhou, Qing Wu, Weifeng Fan, Jun Ye, Yaping Chen, Yun Wu, Jianying Niu, Yong Gu
The aim of the current study was to analyze serum angiotensin II (Ang II), urinary angiotensinogen (AGT) and urinary transforming growth factor β1 (TGFβ1) levels in relation to the clinical manifestation of preeclampsia, and to explore the effects of circulating and renal renin angiotensin system (RAS) in preeclampsia patients. An enzyme-linked immunosorbent assay was used to evaluate serum Ang II, urinary AGT and urinary TGFβ1 in preeclampsia, pregnancy-induced hypertension and normotensive pregnancy patients...
July 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28663440/elabela-deficiency-promotes-preeclampsia-and-cardiovascular-malformations-in-mice
#19
Lena Ho, Marie Van Dijk, Sam Tan Jian Chye, Daniel M Messerschmidt, Serene C Chng, Sheena Ong, Ling Ka Yi, Souad Boussata, Grace Hui-Yi Goh, Gijs B Afink, Chin Yan Lim, N Ray Dunn, Davor Solter, Barbara B Knowles, Bruno Reversade
Pre-eclampsia (PE) is a gestational hypertensive syndrome affecting between 5 and 8% of all pregnancies. While PE is the leading cause of fetal and maternal morbidity/mortality, its molecular etiology is still unclear. Here, we show that ELABELA (ELA), an endogenous ligand of the apelin receptor (APLNR, or APJ), is a circulating hormone secreted by the placenta. Elabela but not Apelin knockout pregnant mice exhibit PE-like symptoms, including proteinuria and elevated blood pressure due to defective placental angiogenesis...
June 29, 2017: Science
https://www.readbyqxmd.com/read/28653360/identification-of-genes-dysregulated-by-elevation-of-microrna-210-levels-in-human-trophoblasts-cell-line-swan-71
#20
Sejin Ahn, Eunbee Jeong, Jae Woong Min, Eunhee Kim, Sun Shim Choi, Chong Jae Kim, Deug-Chan Lee
PROBLEM: Preeclampsia is a serious pregnancy disorder characterized by gestational hypertension and proteinuria. miR-210 is significantly overexpressed in the placentas of preeclampsia patients. METHOD OF STUDY: Swan 71 cells, first-trimester human trophoblastic cell line, were transfected with hsa-miR-210-3p oligonucleotides by electroporation. Altered transcriptome was analyzed using microarray technique. Differentially expressed genes (DEGs) were clustered into Gene Ontology annotation biological processes...
June 27, 2017: American Journal of Reproductive Immunology: AJRI
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