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https://www.readbyqxmd.com/read/29438480/human-trophoblast-epithelial-mesenchymal-transition-in-abnormally-invasive-placenta
#1
Sonia DaSilva-Arnold, Stacy Zamudio, Abdulla Al-Khan, Jesus Alvarez-Perez, Ciaran Mannion, Christopher Koenig, Davlyn Luke, Anisha Perez, Margaret Petroff, Manuel Alvarez, Nicholas P Illsley
Differentiation of first trimester human placental cytotrophoblast from an anchorage-dependent epithelial phenotype into the mesenchymal-like invasive extravillous trophoblast is crucial in the development of the maternal-fetal interface. We showed previously that differentiation of first trimester cytotrophoblast to extravillous trophoblast involves an epithelial-mesenchymal transition (EMT). Here we compare the epithelial-mesenchymal characteristics of cytotrophoblast (CTB) and extravillous trophoblast (EVT) derived from normal third trimester placenta or placenta previa versus abnormally invasive placenta (AIP)...
February 9, 2018: Biology of Reproduction
https://www.readbyqxmd.com/read/29434775/il-25-promotes-th2-bias-by-upregulating-il-4-and-il-10-expression-of-decidual-%C3%AE-%C3%AE-t-cells-in-early-pregnancy
#2
Yuan Zhang, Ying Wang, Ming-Qing Li, Jie Duan, Deng-Xuan Fan, Li-Ping Jin
Decidual immune cells (DICs), consisting of both innate and adaptive immune cells, have a pivotal role in maintaining immune tolerance for normal pregnancy. Our previous study demonstrated that interleukin (IL)-25 stimulates the proliferation of decidual stromal cells (DSCs) in an autocrine manner. However, the role of IL-25 in functional regulation of DICs is largely unknown. Flow cytometry was used to analyze the expression of IL-25 and its receptor (IL-17RB) in DICs, and the effect of IL-25 on the expression of Ki-67, IL-4, IL-10, interferon (IFN)-γ and transforming growth factor (TGF)-β in decidual γδT cells...
February 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29433145/effect-of-cord-blood-magnesium-level-at-birth-on-non-neurologic-neonatal-outcomes
#3
James M Edwards, Laura E Edwards, Geeta K Swamy, Chad A Grotegut
OBJECTIVE: We examined the effects of magnesium sulfate on non-neurologic neonatal outcomes with respect to cord blood magnesium level. STUDY DESIGN: We conducted a secondary analysis of the Maternal-Fetal Medicine Units Beneficial Effects of Antenatal Magnesium (MFMU BEAM) trial comparing the upper and lower quintiles of cord blood magnesium level. Outcomes included cerebral palsy (CP), necrotizing enterocolitis (NEC), retinopathy of prematurity (ROP), bronchopulmonary dysplasia (BPD), and assessments of mental and motor disability...
February 12, 2018: American Journal of Perinatology
https://www.readbyqxmd.com/read/29430878/placental-implantation-over-prior-cesarean-scar-causes-activation-of-fetal-regulatory-t-cells
#4
Tina A Nguyen, Daniel A Kahn, Andrea I Loewendorf
INTRODUCTION: Maternal-fetal chimerism is miniscule, a testament to the integrity of the uteroplacental interface. The soundness of this border region is potentially altered through cesarean delivery of prior babies with uncertain consequences for the following pregnancies. METHODS: Using multicolor flow cytometry and quantitative PCR of non-inherited maternal antigens we performed a retrospective case control pilot study and formulated the null hypothesis that placental implantation over a prior uterine scar does not result in the presence of memory Treg (CD45RO+) in the fetus...
February 12, 2018: Immunity, Inflammation and Disease
https://www.readbyqxmd.com/read/29422210/pathophysiology-of-placental-derived-fetal-growth%C3%A2-restriction
#5
REVIEW
Graham J Burton, Eric Jauniaux
Placental-related fetal growth restriction arises primarily due to deficient remodeling of the uterine spiral arteries supplying the placenta during early pregnancy. The resultant malperfusion induces cell stress within the placental tissues, leading to selective suppression of protein synthesis and reduced cell proliferation. These effects are compounded in more severe cases by increased infarction and fibrin deposition. Consequently, there is a reduction in villous volume and surface area for maternal-fetal exchange...
February 2018: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29420394/second-stage-duration-and-outcomes-among-women-who-labored-after-a-prior-cesarean-delivery
#6
Mark P Hehir, Dwight J Rouse, Russell S Miller, Cande V Ananth, Jason D Wright, Zainab Siddiq, Mary E DʼAlton, Alexander M Friedman
OBJECTIVE: To characterize probabilities of vaginal delivery based on second-stage duration along with maternal and neonatal risks for women undergoing labor after cesarean delivery. METHODS: This unplanned secondary analysis of the Maternal-Fetal Medicine Units Cesarean Registry, a prospective observational cohort, assessed outcomes in women with a prior uterine scar and included women with a previous cesarean delivery without prior vaginal delivery who reached the second stage of labor...
February 5, 2018: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29419329/understanding-gastroschisis-and-its-clinical-management-where-are-we
#7
Candace Haddock, Erik D Skarsgard
Gastroschisis is the commonest developmental defect of the anterior abdominal wall in both developed and developing countries. The past 30 years have seen transformational improvements in outcome due to advances in neonatal intensive care and enhanced integration between the disciplines of maternal fetal medicine, neonatology and pediatric surgery. A review of gastroschisis, which emphasizes its epidemiology, multidisciplinary care strategies and contemporary outcomes is timely. Areas covered: This review discusses the current state of knowledge related to prevalence and causation, and postulated embryopathologic mechanisms contributing to the development of gastroschisis...
February 8, 2018: Expert Review of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/29415560/current-model-systems-for-the-study-of-preeclampsia
#8
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/29412226/association-between-the-macroscopic-characteristics-of-the-umbilical-cord-high-risk-pregnancy-and-neonatal-repercussions
#9
Ana Karina Marques Salge, Marilya Rodrigues Reis, Karina Machado Siqueira, Thaíla Correa Castral, Janaína Valadares Guimarães, Eumenia Costa da Cunha Castro
OBJECTIVE: To verify the association between the macroscopic characteristics of the umbilical cord, high-risk pregnancy and neonatal repercussions. METHOD: A cross-sectional study carried out from January 2012 to January 2015 in a public maternity hospital in Goiânia/GO. The study population consisted of 126 recent puerperal women with diagnosis of high-risk pregnancy, and 139 clinically normal women (control group). Macroscopic features of the umbilical cord, maternal, fetal and neonatal diseases, gestational age, Apgar score, birth weight, head circumference and parity were evaluated...
February 5, 2018: Revista da Escola de Enfermagem da U S P
https://www.readbyqxmd.com/read/29406268/therapeutic-n-acetyl-cysteine-nac-following-initiation-of-maternal-inflammation-attenuates-long-term-offspring-cerebral-injury-as-evident-in-magnetic-resonance-imaging-mri
#10
Hila Sharabi, Nizar Khatib, Yuval Ginsberg, Zeev Weiner, Michael G Ross, Blumenfeld-Katzir Tamar, Sasson Efrat, Hallak Mordechai, Ron Beloosesky
OBJECTIVE: Maternal infection/inflammation may induce fetal inflammatory responses, which have been associated with long-term offspring cerebral injury. We previously demonstrated that prophylactic N-Acetyl-Cysteine (NAC), administered prior to and following maternal lipopolysaccharide (LPS), reduced offspring cerebral injury as evident on MRI. In the present study, we used MRI to examine the effect of therapeutic NAC following maternal LPS-induced inflammation on neonatal brain injury...
February 1, 2018: Neuroscience
https://www.readbyqxmd.com/read/29404742/reliability-and-validity-of-the-german-version-of-the-maternal-fetal-attachment-scale
#11
Anne Doster, Stephanie Wallwiener, Mitho Müller, Lina Maria Matthies, Katharina Plewniok, Sandra Feller, Ruben-Jeremias Kuon, Christof Sohn, Joachim Rom, Markus Wallwiener, Corinna Reck
OBJECTIVES: In understanding early disturbances in the mother-child relationship, maternal-fetal attachment has become an important concept. To date no study has investigated the reliability and validity of the German version of the Maternal Fetal Attachment Scale (MFAS). The present study aimed to close this gap. METHODS: Questionnaires were completed in a sample of 324 women [third trimester (T1), first week postpartum (T2), and 4 months postpartum (T3)]. In addition to the MFAS (T1), the following measures were assessed: the questionnaire of partnership (T1), the postpartum bonding questionnaire (T2), the Edinburgh Postnatal Depression Scale (T1-T3), the State Trait Anxiety Inventory (T1-T3), and the pregnancy related anxiety questionnaire (T1-T3)...
February 5, 2018: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/29402153/psychological-factors-influencing-choice-of-prenatal-diagnosis-in-chinese-multiparous-women-with-advanced-maternal-age
#12
Bi-Heng Cheng, Jian-Hua Chen, Gao-Hua Wang
OBJECTIVES: To investigate the psychological predictors in Chinese multiparous pregnant women of advanced maternal age (AMA) for choosing aneuploidy screening or diagnostic testing. METHODS: A total of 84 pregnant women of AMA were consecutively enrolled from Renming Hospital, Wuhan University. All participants completed three questionnaires: Zung Self-Rating Anxiety Scale (SAS), Zung Self-Rating Depression Scale (SDS), and Pregnancy Stress Rating Scale (PSRS). Demographic information and the choice of noninvasive prenatal testing (NIPT) versus invasive prenatal diagnosis (PND) were also collected...
February 5, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29399860/reproducibility-of-lung-to-head-ratio-ultrasound-measurements-in-congenital-diaphragmatic-hernia
#13
Victoria Arruga Novoa Y Novoa, Laura F Sutton, Allan E Neis, Amber M Marroquin, Tamara A Freimund, Tracey M Coleman, Kathleen A Praska, Krystal L Ruka, Vicki L Warzala, Haleh Sangi-Haghpeykar, Rodrigo Ruano
OBJECTIVES: This study investigated the reproducibility of standardization of lung-to-head ratio measurements in congenital diaphragmatic hernia (CDH) at our center among sonographers after we standardized the method. METHODS: We reviewed ultrasound images of 12 fetuses with CDH at Mayo Clinic from 2010 to 2016. Nine operators (1 maternal-fetal medicine specialist with experience in measuring the lung-to-head ratio and 8 sonographers), who were blinded to previous findings, reviewed 33 selected images from 12 fetuses with left CDH...
February 5, 2018: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/29397624/-retrospective-analysis-of-diagnosis-and-treatment-of-breast-cancer-in-pregnancy
#14
F W Wang, S M Fu, Y C Jin, X H Gong, H D Cheng, K J Wu
Objective: To investigate the principles of diagnosis and treatment of breast cancer during pregnancy. Methods: Clinical data of patients with breast cancer during pregnancy admitted to Obstetrics and Gynecology Hospital of Fudan University between January 2012 to July 2017 were analyzed retrospectively. A total of 17 patients were diagnosed with breast cancer in pregnancy, the median age was 32 years (range from 25 to 45 years old), pathological staging revealed 2 patient with stage 0, 1 with stage Ⅱa, 7 with stage Ⅱb, 1 with stage Ⅲa, 2 with stage Ⅲc, 4 with stage Ⅳ...
February 1, 2018: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/29394890/incidence-aetiology-and-outcomes-of-obstetric-related-acute-kidney-injury-in-malawi-a-prospective-observational-study
#15
William R Cooke, Ulla K Hemmilä, Alison L Craik, Chimwemwe J Mandula, Priscilla Mvula, Ausbert Msusa, Gavin Dreyer, Rhys Evans
BACKGROUND: Obstetric-related acute kidney injury (AKI) is thought to be a key contributor to the overall burden of AKI in low resource settings, causing significant and preventable morbidity and mortality. However, epidemiological data to corroborate these hypotheses is sparse. This prospective observational study aims to determine the incidence, aetiology and maternal-fetal outcomes of obstetric-related AKI in Malawi. METHODS: Women greater than 20 weeks gestation or less than 6 weeks postpartum admitted to obstetric wards at a tertiary hospital in Blantyre, Malawi, and at high-risk of AKI were recruited between 21st September and 11th December 2015...
February 2, 2018: BMC Nephrology
https://www.readbyqxmd.com/read/29384053/viral-infections-in-pregnancy-a-focus-on-ebola-virus
#16
Nicole S Olgun
During gestation, the immune response of the placenta to viruses and other pathogens plays an important role in determining a pregnant woman's vulnerability toward infectious diseases. Located at the maternal- fetal interface, trophoblast cells serve to minimize the spread of viruses between the host and developing fetus through an intricate system of innate antiviral immune signaling. Adverse pregnancy outcomes, ranging from learning disabilities to preterm birth and fetal death, are all documented results of a viral breach in the placental barrier...
January 30, 2018: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/29381706/ocular-and-uteroplacental-pathology-in-a-macaque-pregnancy-with-congenital-zika-virus-infection
#17
Emma L Mohr, Lindsey N Block, Christina M Newman, Laurel M Stewart, Michelle Koenig, Matthew Semler, Meghan E Breitbach, Leandro B C Teixeira, Xiankun Zeng, Andrea M Weiler, Gabrielle L Barry, Troy H Thoong, Gregory J Wiepz, Dawn M Dudley, Heather A Simmons, Andres Mejia, Terry K Morgan, M Shahriar Salamat, Sarah Kohn, Kathleen M Antony, Matthew T Aliota, Mariel S Mohns, Jennifer M Hayes, Nancy Schultz-Darken, Michele L Schotzko, Eric Peterson, Saverio Capuano, Jorge E Osorio, Shelby L O'Connor, Thomas C Friedrich, David H O'Connor, Thaddeus G Golos
Congenital Zika virus (ZIKV) infection impacts fetal development and pregnancy outcomes. We infected a pregnant rhesus macaque with a Puerto Rican ZIKV isolate in the first trimester. The pregnancy was complicated by preterm premature rupture of membranes (PPROM), intraamniotic bacterial infection and fetal demise 49 days post infection (gestational day 95). Significant pathology at the maternal-fetal interface included acute chorioamnionitis, placental infarcts, and leukocytoclastic vasculitis of the myometrial radial arteries...
2018: PloS One
https://www.readbyqxmd.com/read/29377380/obstetric-intra-operative-cell-salvage-and-maternal-fetal-red-cell-contamination
#18
I J Sullivan, C J Ralph
BACKGROUND: The significance of fetal red blood cell (RBC) contamination in obstetric intra-operative cell salvage is not fully known. It is unclear if we re-infuse a larger volume of fetal RBCs into the maternal circulation than the amount that occurs secondary to transplacental haemorrhages is unclear. We also do not know if there is a critical volume required to cause alloimmunisation or if larger volumes increase the risk. OBJECTIVES: The aim of this study is to provide data on the level of fetal RBC contamination in the maternal circulation prior to delivery and immediately post-partum and to compare these levels to those found in processed cell-salvaged blood...
January 29, 2018: Transfusion Medicine
https://www.readbyqxmd.com/read/29376620/oral-misoprostol-versus-intravaginal-dinoprostone-for-labor-induction-a-comparison-study
#19
Caterina Neri, Alessandra Familiari, Francesco Preziosi, Chiara Vassallo, Angela Botta, Antonio Lanzone, Brigida Carducci, Alessandro Caruso
BACKGROUND: Labor induction (IOL) is one of the most common procedures performed in obstetrics, accounting for about the 20% of deliveries in the developed countries and it still represents a challenge to obstetricians. PURPOSE: The aim of this study is the comparison between two techniques for induction of Labor (IOL): oral Misoprostol and Propess. MATERIALS AND METHODS: Restrospective study in a single tertiary referral center. Clinical maternal, fetal and neonatal informations were recorded...
January 26, 2018: Minerva Ginecologica
https://www.readbyqxmd.com/read/29376493/placental-exosomes-during-gestation-liquid-biopsies-carrying-signals-for-the-regulation-of-human-parturition
#20
Carlos Salomon, Zarin Nuzhat, Christopher L Dixon, Ramkumar Menon
Parturition is defined as the action or process of giving birth to offspring. Normal term human parturition ensues following the maturation of fetal organ systems typically between 37 and 40 weeks of gestation. Our conventional understanding of how parturition initiation is signaled revolves around feto-maternal immune and endocrine changes occurring in the intrauterine cavity. These changes in turn correlate with the sequence of fetal growth and development. These important physiological changes also result in homeostatic imbalances which result in heightened inflammatory signaling...
January 25, 2018: Current Pharmaceutical Design
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