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https://www.readbyqxmd.com/read/29786973/amniotic-fluid-lactic-acid-and-matrix-metalloproteinase-8-levels-at-the-time-of-fetal-surgery-for-a-spine-defect-association-with-subsequent-premature-preterm-rupture-of-membranes
#1
Antonio F Moron, Aikaterini Athanasiou, Mauricio Barbosa, Herbene J Milani, Stephanno G Sarmento, Sergio Cavalheiro, Steven S Witkin
OBJECTIVE: In utero fetal surgery to correct incomplete closure of the spinal cord lessens the extent of permanent damage but is associated with preterm premature rupture of membranes (pPROM). We determined if compounds in amniotic fluid (AF) collected at the time of surgery predicted subsequent development of pPROM. DESIGN: Prospective study. SETTING: Hospitals in Sao Paulo, Brazil. POPULATION: Twenty four consecutive pregnant women at 24-26 weeks gestation seen between February and October 2017 with a singleton pregnancy underwent in utero surgery to correct an open spinal defect in their fetus...
May 22, 2018: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/29786653/role-for-cystathionine-%C3%AE-lyase-cse-in-an-ethanol-e-induced-lesion-in-fetal-brain-gsh-homeostasis
#2
Dhyanesh Patel, Marylatha Rathinam, Courtney Jarvis, Lenin Mahimainathan, George Henderson, Madhusudhanan Narasimhan
Earlier, we reported that gestational ethanol (E) can dysregulate neuron glutathione (GSH) homeostasis partially via impairing the EAAC1-mediated inward transport of Cysteine (Cys) and this can affect fetal brain development. In this study, we investigated if there is a role for the transulfuration pathway (TSP), a critical bio-synthetic point to supply Cys in E-induced dysregulation of GSH homeostasis. These studies utilized an in utero E binge model where the pregnant Sprague⁻Dawley (SD) rat dams received five doses of E at 3...
May 22, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29785960/reduction-in-regulatory-t-cells-in-early-pregnancy-causes-uterine-artery-dysfunction-in-mice
#3
Alison S Care, Stephane L Bourque, Jude S Morton, Emma P Hjartarson, Sarah A Robertson, Sandra T Davidge
Preeclampsia, fetal growth restriction, and miscarriage remain important causes of maternal and perinatal morbidity and mortality. These complications are associated with reduced numbers of a specialized T lymphocyte subset called regulatory T cells (Treg cells) in the maternal circulation, decidua, and placenta. Treg cells suppress inflammation and prevent maternal immunity toward the fetus, which expresses foreign paternal alloantigens. Treg cells are demonstrated to contribute to vascular homeostasis, but whether Treg cells influence the vascular adaptations essential for a healthy pregnancy is unknown...
May 21, 2018: Hypertension
https://www.readbyqxmd.com/read/29785547/analysis-of-factors-affecting-outcomes-of-pregnancy-complicated-by-echinococcus-an-algorithm-for-approach-and-management
#4
Sebahattin Celik, Ozan Okyay, Erbil Karaman, Özlem Z Sert, Numan Cim, Tuba Y Okyay
PURPOSE: The management of hydatid disease (HD) co-occurring with pregnancy remains a challenge for physicians. We aimed to determine factors that were related to fetal and maternal outcomes in HD complicated pregnancies and then develop an approach/treatment algorithm. METHOD: All patients at the participating hospitals were first analyzed to determine whether they had HD. Only patients diagnosed with HD during the course of their pregnancy were included. Certain cyst-related factors (diameter, localization, increase in size, and viability) and certain pregnancy-related factors (treatments, gestational week, maternal co-morbidities, and delivery type) were investigated...
May 21, 2018: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/29785155/the-volume-of-the-cerebellum-in-the-second-semester-of-gestation
#5
Damiana Vulturar, Alexandru Fărcăşanu, Flaviu Turcu, Dan Boitor, Carmen Crivii
Background and aims: The cerebellum ("little brain"), the largest part of hind brain, lies in the posterior cranial fossa, beneath the occipital lobe and dorsal to the brainstem. It develops over a long period: it is one of the first structures in the brain to begin to differentiate, but one of the last to mature. The use of ultrasonography has significantly improved the evaluation of fetal growth and development and has permitted prenatal diagnosis of a variety of congenital malformations...
2018: Clujul Medical (1957)
https://www.readbyqxmd.com/read/29784871/effect-of-maternal-hypothyroidism-during-pregnancy-on-insulin-resistance-lipid-accumulation-and-mitochondrial-dysfunction-in-skeletal-muscle-of-fetal-rats
#6
Tongjia Xia, Xue Zhang, Youmin Wang, Datong Deng
This study aimed to investigate the effect of maternal hypothyroidism during pregnancy on thyroid function of the fetal rat. Female Sprague-Dawley rats were randomized into two groups. PTU group received propylthiouracil (PTU) in drinking water for 6 weeks (n = 90), normal group received drinking normal water (n = 50). The pregnant rats were obtained and had a cesarean-section to get at gestational age of 8.5 d, 13d and 21 d, following blood samples and skeletal muscle were obtained from fetal rats...
May 21, 2018: Bioscience Reports
https://www.readbyqxmd.com/read/29783229/-morphological-characteristics-of-kidneys-connective-tissue-of-mature-fetuses-and-newborns-from-mothers-whose-pregnancy-was-complicated-by-preeclampsia-of-varying-degrees-of-severity
#7
Iryna V Sorokina, Mykhailo S Myroshnychenko, Nataliia V Kapustnyk, Tetyana O Khramova, Oksana V Dehtiarova, Svitlana I Danylchenko
OBJECTIVE: Introduction: The kidneys connective tissue condition in the antenatal period affects the formation of tissues and it changes with the development of various general pathological processes in this organ. The aim of the study was to identify the morphological features of kidneys connective tissue of fetuses and newborns from mothers whose pregnancy was complicated by preeclampsia of varying degrees of severity. PATIENTS AND METHODS: Materials and methods: The material of the study was the tissue of kidneys of mature fetuses and newborns from mothers with physiological pregnancy (28 cases), as well as from mothers whose pregnancy was complicated by preeclampsia of varying degrees of severity (78 cases)...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29783163/maternal-hypothalamus-pituitary-adrenal-hpa-system-activity-and-stress-during-pregnancy-effects-on-gestational-age-and-infant-s-anthropometric-measures-at-birth
#8
Maria Gilles, Henrike Otto, Isabell A C Wolf, Barbara Scharnholz, Verena Peus, Michael Schredl, Marc W Sütterlin, Stephanie H Witt, Marcella Rietschel, Manfred Laucht, Michael Deuschle
BACKGROUND: Prenatal maternal stress might be a risk for the developing fetus and may have long-lasting effects on child and adult vulnerability to somatic and psychiatric disease. Over-exposure of the unborn to excess glucocorticoids and subsequent alteration of fetal development is hypothesized to be one of the key mechanisms linking prenatal stress with negative child outcome. METHODS: In this prospective longitudinal study, mothers-to-be (n = 405) in late pregnancy (36...
April 22, 2018: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29781990/fetal-mouse-cardiovascular-imaging-using-a-high-frequency-ultrasound-30-45mhz-system
#9
Marlin Touma
Congenital heart defects (CHDs) are the most common cause of childhood morbidity and early mortality. Prenatal detection of the underlying molecular mechanisms of CHDs is crucial for inventing new preventive and therapeutic strategies. Mutant mouse models are powerful tools to discover new mechanisms and environmental stress modifiers that drive cardiac development and their potential alteration in CHDs. However, efforts to establish the causality of these putative contributors have been limited to histological and molecular studies in non-survival animal experiments, in which monitoring the key physiological and hemodynamic parameters is often absent...
May 5, 2018: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29778808/maternal-treatment-with-a-placental-targeted-antioxidant-mitoq-impacts-offspring-cardiovascular-function-in-a-rat-model-of-prenatal-hypoxia
#10
Mais M Aljunaidy, Jude S Morton, Raven Kirschenman, Tom Phillips, C Patrick Case, Christy-Lynn M Cooke, Sandra T Davidge
Intrauterine growth restriction, a common consequence of prenatal hypoxia, is a leading cause of fetal morbidity and mortality with a significant impact on population health. Hypoxia may increase placental oxidative stress and lead to an abnormal release of placental-derived factors, which are emerging as potential contributors to developmental programming. Nanoparticle-linked drugs are emerging as a novel method to deliver therapeutics targeted to the placenta and avoid risking direct exposure to the fetus...
May 17, 2018: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/29774552/no-sympathy-for-the-hypoxic-the-role-of-fetal-oxygenation-in-autonomic-dysfunction
#11
Jonathan D Hoang, Marmar Vaseghi
Uteroplacental insufficiency, defined as the failure of the placenta to adequately supply nutrients to the developing fetus, can result from insufficient blood flow to the placenta, and thereby deficient fetal oxygenation. This article is protected by copyright. All rights reserved.
May 17, 2018: Journal of Physiology
https://www.readbyqxmd.com/read/29774535/physiology-and-molecular-biology-of-barrier-mechanisms-in-the-fetal-and-neonatal-brain
#12
Norman R Saunders, Katarzyna M Dziegielewska, Kjeld Møllgård, Mark D Habgood
Properties of the local internal environment of the adult brain are tightly controlled providing a stable milieu essential for its normal function. The mechanisms involved in this complex control are structural, molecular and physiological (influx and efflux transporters) frequently referred to as the "blood-brain barrier". These mechanisms include regulation of ion levels in brain interstitial fluid essential for normal neuronal function, supply of nutrients, removal of metabolic products and prevention of entry or elimination of toxic agents...
May 17, 2018: Journal of Physiology
https://www.readbyqxmd.com/read/29774074/placenta-specific-drug-delivery-by-trophoblast-targeted-nanoparticles-in-mice
#13
Baozhen Zhang, Lunbo Tan, Yan Yu, Baobei Wang, Zhilong Chen, Jinyu Han, Mengxia Li, Jie Chen, Tianxia Xiao, Balamurali K Ambati, Lintao Cai, Qing Yang, Nihar R Nayak, Jian Zhang, Xiujun Fan
Rationale: The availability of therapeutics to treat pregnancy complications is severely lacking, mainly due to the risk of harm to the fetus. In placental malaria, Plasmodium falciparum- infected erythrocytes (IEs) accumulate in the placenta by adhering to chondroitin sulfate A (CSA) on the surfaces of trophoblasts. Based on this principle, we have developed a method for targeted delivery of payloads to the placenta using a synthetic placental CSA-binding peptide (plCSA-BP) derived from VAR2CSA, a CSA-binding protein expressed on IEs...
2018: Theranostics
https://www.readbyqxmd.com/read/29770996/prenatal-diagnosis-of-holoprosencephaly
#14
Youssef A Kousa, Adré J du Plessis, Gilbert Vezina
Holoprosencephaly is a spectrum of congenital defects of forebrain development characterized by incomplete separation of the cerebral hemispheres. In vivo diagnosis can be established with prenatal brain imaging and disease severity correlates with extent of abnormally developed brain tissue. Advances in magnetic resonance imaging (MRI) over the past 25 years and their application to the fetus have enabled diagnosis of holoprosencephaly in utero. Here, we report on the prenatal diagnosis of holoprosencephaly using MRI as part of a diagnostic and management evaluation at a tertiary and quaternary referral center...
May 17, 2018: American Journal of Medical Genetics. Part C, Seminars in Medical Genetics
https://www.readbyqxmd.com/read/29770322/sociodemographic-and-medical-risk-factors-associated-with-antepartum-depression
#15
Giridhara R Babu, G V S Murthy, Neeru Singh, Anita Nath, Mohanbabu Rathnaiah, Nolita Saldanha, R Deepa, Sanjay Kinra
Background: The increasing recognition of antenatal depression is an emerging area of concern in developing countries. We conducted a study to estimate the prevalence of antenatal mental distress and its relation with sociodemographic factors, obstetric factors, and physiological wellbeing in pregnant women attending public health facilities in Bengaluru, South India. Methods: Nested within a cohort study, we assessed the mental status in 823 pregnant women in two public referral hospitals...
2018: Frontiers in Public Health
https://www.readbyqxmd.com/read/29770109/fetoscopic-endoluminal-tracheal-occlusion-and-reestablishment-of-fetal-airways-for-congenital-diaphragmatic-hernia
#16
Lennart Van der Veeken, Francesca Maria Russo, Luc De Catte, Eduard Gratacos, Alexandra Benachi, Yves Ville, Kypros Nicolaides, Christoph Berg, Glenn Gardener, Nicola Persico, Pietro Bagolan, Greg Ryan, Michael A Belfort, Jan Deprest
Background: Congenital diaphragmatic hernia (CDH) is a congenital anomaly with high mortality and morbidity mainly due to pulmonary hypoplasia and hypertension. Temporary fetal tracheal occlusion to promote prenatal lung growth may improve survival. Entrapment of lung fluid stretches the airways, leading to lung growth. Methods: Fetal endoluminal tracheal occlusion (FETO) is performed by percutaneous sono-endoscopic insertion of a balloon developed for interventional radiology...
2018: Gynecological Surgery
https://www.readbyqxmd.com/read/29769646/long-term-impacts-of-prenatal-synthetic-glucocorticoids-exposure-on-functional-brain-correlates-of-cognitive-monitoring-in-adolescence
#17
Liesa Ilg, Manousos Klados, Nina Alexander, Clemens Kirschbaum, Shu-Chen Li
The fetus is highly responsive to the level of glucocorticoids in the gestational environment. Perturbing glucocorticoids during fetal development could yield long-term consequences. Extending prior research about effects of prenatally exposed synthetic glucocorticoids (sGC) on brain structural development during childhood, we investigated functional brain correlates of cognitive conflict monitoring in term-born adolescents, who were prenatally exposed to sGC. Relative to the comparison group, behavioral response consistency (indexed by lower reaction time variability) and a brain correlate of conflict monitoring (the N2 event-related potential) were reduced in the sGC exposed group...
May 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29766472/epidemiology-management-and-outcome-of-varicella-in-pregnancy-a-20-year-experience-at-the-tuscany-reference-centre-for-infectious-diseases-in-pregnancy
#18
Michele Trotta, Beatrice Borchi, Alessandra Niccolai, Elisabetta Venturini, Susanna Giaché, Gaetana Sterrantino, Maria Grazia Colao, Gian Maria Rossolini, Alessandro Bartoloni, Lorenzo Zammarchi
Data from 215 pregnant women exposed to varicella and 276 with varicella observed at the Tuscany Reference Center for Infectious Diseases in Pregnancy, Florence, Italy, in the period 1997-2016 were retrospectively collected. The risk of developing varicella was lower in exposed women who received varicella zoster immunoglobulin compared with those who did not receive it [42% (21 of 50) vs 72% (13 of 18); p = 0.0263]. Typical congenital varicella syndrome was observed in 1.56% of fetuses/neonates born from pregnant women with varicella...
May 15, 2018: Infection
https://www.readbyqxmd.com/read/29765784/use-of-the-tei-index-in-the-conservative-management-of-trap-sequence-pregnancies-diagnosed-during-the-periviable-period-a-case-series
#19
Kristina Martimucci, Theresa Kuhn, Robyn Bilinski, Jesus Alvarez-Perez
Twin Reverse Arterial Perfusion (TRAP) Sequence is a rare complication of monochorionic pregnancies. Without intervention, the viable pump twin in a case of TRAP Sequence may develop high output cardiac failure leading to an intrauterine fetal demise. We present 3 cases of TRAP Sequence pregnancy diagnosed during the second or third trimesters of pregnancy. There are minimal sonographic tools for the guidance of a fetal therapeutic interventional procedure during the second trimester or timing of delivery during the third trimester to reduce morbidity and mortality of a viable fetus...
2018: Case Reports in Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29762475/growth-hormone-secretion-patterns-in-german-landrace-dl-fetuses-and-piglets-compared-to-dl-piglets-with-inherited-1-25-dihydroxyvitamin-d3-deficiency
#20
Manfred Mielenz, Michael W Pfaffl, Christina Schlumbohm, Johein Harmeyer, Nahid Parvizi
The regulation of growth hormone (GH) release during prenatal development and during early postnatal life is not entirely clarified. In this study plasma GH concentrations in pigs with inherited pseudo vitamin D deficiency type I (PDDR-I), which regularly show growth retardation, were compared during ontogeny with unaffected pigs of the same breed (German Landrace, DL) as control. Plasma GH concentrations were measured in plasma of chronically catheterized fetuses (beginning on day 101 after mating or after artificial insemination) and in piglets (day 37 postpartum (p...
May 15, 2018: Nutrients
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