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Preeclampsia

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https://www.readbyqxmd.com/read/28731823/maternal-fetal-outcomes-in-34-pregnant-women-with-type-1-diabetes-in-sensor-augmented-insulin-pump-therapy
#1
Ana María Gómez, Lisseth Fernanda Marín Carrillo, Carol M Arévalo Correa, Oscar Mauricio Muñoz Velandia, Martín Alonso Rondón Sepúlveda, Jaime Luis Silva Herrera, Diana Cristina Henao Carrillo
BACKGROUND: Pregnancy in women with type 1 diabetes (T1D) is associated with increased risk of maternal complications and neonatal morbidity and mortality. Optimizing glycemic control improves these outcomes. OBJECTIVE: To describe the experience of using sensor-augmented insulin pump therapy (SAPT) and SAPT + low-glucose suspension (LGS) on pregnant women with T1D, including neonatal and maternal outcomes. METHODS: A prospective observational study was conducted in women with T1D who started SAPT and SAPT + LGS before or during pregnancy at the San Ignacio University Hospital Diabetes Center in Bogotá, Colombia...
July 2017: Diabetes Technology & Therapeutics
https://www.readbyqxmd.com/read/28729288/urinary-extracellular-vesicles-of-podocyte-origin-and-renal-injury-in-preeclampsia
#2
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/28728156/predicting-the-risk-to-develop-preeclampsia-in-the-first-trimester-combining-promoter-variant-98a-c-of-lgals13-placental-protein-13-black-ethnicity-previous-preeclampsia-obesity-and-maternal-age
#3
Liora Madar-Shapiro, Ido Karady, Alla Trahtenherts, Argryo Syngelaki, Ranjit Akolekar, Liona Poon, Ruth Cohen, Adi Sharabi-Nov, Berthold Huppertz, Marei Sammar, Kata Juhasz, Nandor Gabor Than, Zoltan Papp, Roberto Romero, Kypros H Nicolaides, Hamutal Meiri
BACKGROUND: LGALS13 (placental protein 13 [PP13]) promoter DNA polymorphisms was evaluated in predicting preeclampsia (PE), given PP13's effects on hypotension, angiogenesis, and immune tolerance. METHODS: First-trimester plasma samples (49 term and 18 intermediate) of PE cases matched with 196 controls were collected from King's College Hospital, London, repository. Cell-free DNA was extracted and the LGALS13 exons were sequenced after PCR amplification. Expression of LGALS13 promoter reporter constructs was determined in BeWo trophoblast-like cells with luciferase assays...
July 21, 2017: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/28726716/new-insights-into-the-role-of-matrix-metalloproteinases-in-preeclampsia
#4
REVIEW
Salvador Espino Y Sosa, Arturo Flores-Pliego, Aurora Espejel-Nuñez, Diana Medina-Bastidas, Felipe Vadillo-Ortega, Veronica Zaga-Clavellina, Guadalupe Estrada-Gutierrez
Preeclampsia is a severe pregnancy complication globally, characterized by poor placentation triggering vascular dysfunction. Matrix metalloproteinases (MMPs) exhibit proteolytic activity implicated in the efficiency of trophoblast invasion to the uterine wall, and a dysregulation of these enzymes has been linked to preeclampsia. A decrease in MMP-2 and MMP-9 interferes with the normal remodeling of spiral arteries at early pregnancy stages, leading to the initial pathophysiological changes observed in preeclampsia...
July 20, 2017: International Journal of Molecular Sciences
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
#5
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/28725005/endothelial-dysfunction-in-severe-preeclampsia-is-mediated-by-soluble-factors-rather-than-extracellular-vesicles
#6
Michelle O'Brien, Dora Baczyk, John C Kingdom
In severe early-onset preeclampsia (sPE) the placenta releases soluble angiogenesis-regulating proteins, trophoblast-derived fragments, and extracellular vesicles (EVs). Their relative importance in disease pathogenesis is not presently understood. We explanted placental villi from healthy and sPE women then separated the media into: total-conditioned, EV-depleted and EV-enriched media. Three fractions were compared for; angiogenic protein secretion by ELISA, angiogenic and inflammation gene mRNA expression and leukocyte adhesion assay...
July 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28724718/poor-reliability-and-poor-adherence-to-self-monitoring-of-blood-glucose-are-common-in-women-with-gestational-diabetes-mellitus-and-may-be-associated-with-poor-pregnancy-outcomes
#7
Emmanuel Cosson, Baz Baz, Françoise Gary, Isabelle Pharisien, Minh Tuan Nguyen, Dorian Sandre-Banon, Yahya Jaber, Camille Cussac-Pillegand, Isabela Banu, Lionel Carbillon, Paul Valensi
OBJECTIVE: To evaluate the compliance with self-monitoring of blood glucose (SMBG) and the reliability of diabetes logbooks in women with gestational diabetes mellitus (GDM), as well as the associated determinants and outcomes. RESEARCH DESIGN AND METHODS: We prospectively selected French-speaking women with newly diagnosed GDM who had been referred to our diabetes management program and understood SMBG principles. At the next follow-up visit, we collected SMBG results from glucose meters and logbooks...
July 19, 2017: Diabetes Care
https://www.readbyqxmd.com/read/28722783/the-association-of-the-placental-mthfr-3-utr-polymorphisms-promoter-methylation-and-mthfr-expression-with-preeclampsia
#8
Abbas Mohammadpour-Gharehbagh, Batool Teimoori, Mehrnaz Narooei-Nejad, Mehrnaz Mehrabani, Ramin Saravani, Saeedeh Salimi
Preeclampsia (PE) is a pregnancy specific complication arises in presence of the placenta and disappears immediately after delivery. Therefore, the aim of the present study was to investigate the possible effects of the placental 3'-UTR rs1537514C>G and rs4846049 C>A polymorphisms and DNA methylation of the MTHFR gene on the MTHFR mRNA expression. The placenta of 74 PE pregnant women and 75 normotensive pregnant women were collected after delivery. The methylation status of the MTHFR promoter was assessed with Methylation Specific PCR(MSP)...
July 19, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28719896/update-on-the-diagnosis-and-prognosis-of-preeclampsia-with-the-aid-of-the-sflt-1-plgf-ratio-in-singleton-pregnancies
#9
Ignacio Herraiz, Elisa Llurba, Stefan Verlohren, Alberto Galindo
Preeclampsia (PE) is involved in a group of obstetrical conditions closely related by the presence of placental dysfunction (PD), which also includes intrauterine growth restriction and placental abruption. The timely and accurate recognition and management of PE are often challenging because diagnostic criteria are still based on nonspecific signs and symptoms and because common severity criteria correlate poorly with adverse maternal and fetal outcomes. The discovery of the role of angiogenesis-related factors - soluble fms-like tyrosine kinase-1 (sFlt-1) and placental growth factor (PlGF) - in the underlying pathophysiology of PD has marked an important step for improving its early diagnosis and prognosis assessment before gestational week 34...
July 19, 2017: Fetal Diagnosis and Therapy
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
#10
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...
July 17, 2017: Hypertension
https://www.readbyqxmd.com/read/28716604/endothelial-progenitor-cell-subsets-and-preeclampsia-findings-and-controversies
#11
REVIEW
Armin Attar, Ahmad Monabati, Mohammad-Ebrahim Parsanezhad
Vascular remodeling is an essential component of gestation. Endothelial progenitor cells (EPCs) play an important role in the regulation of vascular homeostasis. The results of studies measuring the number of EPCs in normal pregnancies and in preeclampsia have been highly controversial or even contradictory because of some variations in technical issues and different methodologies enumerating three distinct subsets of EPCs: circulating angiogenic cells (CAC), colony forming unit endothelial cells (CFU-ECs), and endothelial colony-forming cells (ECFCs)...
July 14, 2017: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/28715959/preeclampsia-and-maternal-risk-of-breast-cancer-a-meta-analysis-of-cohort-studies
#12
Meizhen Sun, Yongling Fan, Yuanyuan Hou, Yanyan Fan
BACKGROUND: Pregnancy-related hypertensive disorders, including preeclampsia (PE) and pregnancy-induced hypertension (PIH), may influence the maternal risk of breast cancer. However, results of the cohort studies were inconsistent. METHODS: An updated meta-analysis of cohort studies was performed to evaluate the association between PE, PIH and maternal breast cancer incidence. Relevant studies were identified via searching of PubMed and Embase databases. A random effect model was applied to synthesize the results...
July 17, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28715818/first-trimester-combined-multimarker-prospective-study-for-the-detection-of-pregnancies-at-a-high-risk-of-developing-preeclampsia-using-the-fetal-medicine-foundation-algorithm
#13
Meriem Guizani, Joseph Valsamis, Vivien Dutemeyer, Xin Kang, Vera Ceccoti, Joe Khalife, Silvia F Duiella, Frederic Blavier, Alessandra Faraca, Teresa Cos, Jacques C Jani
OBJECTIVE: To evaluate the Fetal Medicine Foundation (FMF) algorithm prospectively at 11-13 weeks' gestation in the prediction of preeclampsia (PE). METHODS: Single-center prospective screening study for PE of singleton pregnancies at 11-13 weeks. The FMF algorithm takes into account maternal characteristics and biomarkers. Detection rate (DR) for a 10% false-positive rate (FPR) for delivery with preterm and term PE was estimated. RESULTS: Between January 2011 and December 2013, of 3,239 patients available for final analysis, 36 (1...
July 18, 2017: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/28715659/fetal-heart-rate-variation-after-corticosteroids-for-fetal-maturation
#14
Olga Knaven, Wessel Ganzevoort, Marjon de Boer, Hans Wolf
INTRODUCTION: Several studies report a decrease of fetal heart rate (FHR) short-term variation (STV) after corticosteroids for improvement of fetal maturity and advice not to deliver a fetus for low STV within 2-3days after corticosteroids. However, literature is not unanimous in this respect. This study intends to asses STV longitudinally after corticosteroid administration. MATERIAL AND METHODS: A retrospective cohort study in a tertiary perinatal centre from 2009 to 2015 included all women who had been treated with corticosteroids at gestational age of 26-34 weeks, had a computerized cardiotocography (cCTG) before and after medication and did not deliver within 48h...
June 29, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28715497/risk-of-gestational-hypertension-preeclampsia-in-women-with-preceding-endometriosis-a-nationwide-population-based-study
#15
Mei-Lien Pan, Li-Ru Chen, Hsiao-Mei Tsao, Kuo-Hu Chen
OBJECTIVE: To investigate the association between preceding endometriosis and gestational hypertension-preeclampsia (GH-PE). METHODS: In this nationwide population-based longitudinal study, data from 1998-2012 Taiwan National Health Insurance Research Database were used. We used ICD9-CM codes 617.X and 642.X respectively for the diagnoses of endometriosis and GH-PE, which were further confirmed by examining medical records of surgeries, blood pressure and urine protein to ensure the accuracy of the diagnoses...
2017: PloS One
https://www.readbyqxmd.com/read/28714779/serum-free-placental-growth-factor-isoform-1-at-11-13-week-gestation-effects-of-maternal-factors-mean-arterial-pressure-placental-volume-and-uterine-artery-pulsatility-index
#16
Maolee Bhuwapathanapun, Busadee Pratumvinit, Piyaporn Lahfahroengron, Sithikan Hanyongyuth, Amprapha Phaophan, Julaporn Pooliam, Tuangsit Wataganara
INTRODUCTION: To define the effects of maternal factors, mean arterial pressure (MAP), placental volume (PV), and uterine artery Doppler pulsatility index (UtAPI) to serum level of free form of placental growth factor isoform 1 (free PlGF-1) measured with a novel automated assay. METHODS: We enrolled 200 Thai women singleton pregnancy from 11(+0) to 13(+6) weeks gestation with low prior risk maternal factors (age, parity, tobacco use, assisted reproductive technology, and body mass index)...
July 17, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28714317/prospective-observational-study-to-determine-the-accuracy-of-first-trimester-serum-biomarkers-and-uterine-artery-dopplers-in-combination-with-maternal-characteristics-and-arteriography-for-the-prediction-of-women-at-risk-of-preeclampsia-and-other-adverse-pregnancy
#17
Rebecca Allen, Joseph Aquilina
OBJECTIVES: To assess the efficacy of biomarkers, arteriography and uterine artery Dopplers for predicting hypertensive disease of pregnancy, small for gestational age and stillbirth. METHODS: This was a prospective first trimester study. Ultrasound was used to assess uterine artery Doppler. Maternal arteriography performed and serum taken for measurement of placental growth factor (PlGF), alpha fetoprotein (AFP), pregnancy associated plasma protein (PAPP-A) and beta human chorionic gonadotrophin (β-hCG) levels...
July 16, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28714012/knockdown-of-jarid2-inhibits-the-viability-and-migration-of-placenta-trophoblast-cells-in-preeclampsia
#18
Yatao Jiang, Yuqing Chen, Yanping Chen
Protein Jumonji (JARID2) is a member of the Jumonji family of proteins and has been demonstrated to regulate cell proliferation and invasion. However, little is known about the role of JARID2 in the metastasis of placenta trophoblast cells. In the present study, the effect and the underlying molecular mechanism of JARID2 on trophoblast cell viability and invasion was investigated. The expression of JARID2 in placental tissues was analyzed by reverse transcription‑quantitative polymerase chain reaction and western blotting...
July 15, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28713594/small-molecule-big-prospects-microrna-in-pregnancy-and-its-complications
#19
REVIEW
Meng Cai, Gopi K Kolluru, Asif Ahmed
MicroRNAs are small, noncoding RNA molecules that regulate target gene expression in the posttranscriptional level. Unlike siRNA, microRNAs are "fine-tuners" rather than "switches" in the regulation of gene expression; thus they play key roles in maintaining tissue homeostasis. The aberrant microRNA expression is implicated in the disease process. To date, numerous studies have demonstrated the regulatory roles of microRNAs in various pathophysiological conditions. In contrast, the study of microRNA in pregnancy and its associated complications, such as preeclampsia (PE), fetal growth restriction (FGR), and preterm labor, is a young field...
2017: Journal of Pregnancy
https://www.readbyqxmd.com/read/28713290/advanced-maternal-age-worsens-postpartum-vascular-function
#20
Jude S Morton, Alison S Care, Raven Kirschenman, Christy-Lynn Cooke, Sandra T Davidge
The age at which women experience their first pregnancy has increased throughout the decades. Pregnancy has an important influence on maternal short- and long-term cardiovascular outcomes. Pregnancy at an advanced maternal age increases maternal risk of gestational diabetes, preeclampsia, placenta previa and caesarian delivery; complications which predict worsened cardiovascular health in later years. Aging also independently increases the risk of cardiovascular disease; therefore, combined risk in women of advanced maternal age may lead to detrimental cardiovascular outcomes later in life...
2017: Frontiers in Physiology
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