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https://www.readbyqxmd.com/read/28926132/prenatal-diagnosis-of-total-and-partial-anomalous-pulmonary-venous-connection-multicentre-cohort-study-and-meta-analysis
#1
REVIEW
Dario Paladini, Angela Pistorio, L H Wu, Gabriella Meccariello, Ting Lei, Giulia Tuo, Gloria Donarini, Maurizio Marasini, Hong-Ning Xie
OBJECTIVES: Aim of this study is to describe the sonographic features and associations of Total and Partial Anomalous Pulmonary Venous Connection (TAPVC, PAPVC) and scimitar syndrome (SS) and to review the relevant literature systematically in order to underline the associations and the sonographic features more frequently associated with these conditions. METHODOLOGY: Retrospective cohort study. Assessed variables include: TAPVC subtype, gestational age at diagnosis, area behind LA, ventricular disproportion, vertical vein, pulmonary venous obstruction, mode of diagnosis, association with cardiac and extra-cardiac conditions, pregnancy and feto-neonatal outcome...
September 19, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28912068/angiogenic-imbalance-and-diminished-matrix-metalloproteinase-2-and-9-underlie-regional-decreases-in-uteroplacental-vascularization-and-feto-placental-growth-in-hypertensive-pregnancy
#2
Carlos A Dias-Junior, Juanjuan Chen, Ning Cui, Charles L Chiang, Minglin Zhu, Zongli Ren, Jose S Possomato-Vieira, Raouf A Khalil
Preeclampsia is a form of hypertension-in-pregnancy (HTN-Preg) with unclear mechanism. Generalized reduction of uterine perfusion pressure (RUPP) could be an initiating event leading to uteroplacental ischemia, angiogenic imbalance, and HTN-Preg. Additional regional differences in uteroplacental blood flow could further affect the pregnancy outcome and increase the risk of preeclampsia in twin or multiple pregnancy, but the mechanisms involved are unclear. To test the hypothesis that regional differences in angiogenic balance and matrix metalloproteinases (MMPs) underlie regional uteroplacental vascularization and feto-placental development, we compared fetal and placental growth, and placental and myoendometrial vascularization in the proximal, middle and distal regions of the uterus (in relation to the iliac bifurcation) in normal pregnant (Preg) and RUPP rats...
September 11, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28893191/recent-expansion-and-adaptive-evolution-of-the-carcinoembryonic-antigen-family-in-bats-of-the-yangochiroptera-subgroup
#3
Robert Kammerer, Martin Mansfeld, Jana Hänske, Sophie Mißbach, Xiaocui He, Bernd Köllner, Susan Mouchantat, Wolfgang Zimmermann
BACKGROUND: Expansions of gene families are predictive for ongoing genetic adaptation to environmental cues. We describe such an expansion of the carcinoembryonic antigen (CEA) gene family in certain bat families. Members of the CEA family in humans and mice are exploited as cellular receptors by a number of pathogens, possibly due to their function in immunity and reproduction. The CEA family is composed of CEA-related cell adhesion molecules (CEACAMs) and secreted pregnancy-specific glycoproteins (PSGs)...
September 11, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28891233/fetoscopic-tracheal-occlusion-for-treatment-of-non-isolated-congenital-diaphragmatic-hernia
#4
Viola Seravalli, Eric B Jelin, Jena L Miller, Aylin Tekes, Luca Vricella, Ahmet A Baschat
Fetoscopic endotracheal occlusion (FETO) is a prenatal treatment that may increase survival in severe congenital diaphragmatic hernia (CDH). In the USA, FETO is offered for isolated severe left-sided CDH in the context of an FDA-approved feasibility study. FETO in non-isolated cases of severe CDH is only performed with a compassionate use exemption from US regulatory bodies. Anomalies frequently associated with CDH include congenital cystic lesions of the lung and cardiac defects. We describe two cases of non-isolated severe left-sided CDH that underwent prenatal FETO, survived after birth and underwent postnatal surgical repair...
August 11, 2017: Prenatal Diagnosis
https://www.readbyqxmd.com/read/28884517/biocompatibility-assessment-of-titanium-dioxide-nanoparticles-in-mice-feto-placental-unit
#5
Parvaneh Naserzadeh, Fatemeh Ghanbary, Parviz Ashtari, Enayatollah Seydi, Khadijeh Ashtari, Mohsen Akbari
As the applications of titanium dioxide nanomaterials (nTiO2 ) are growing with an ever-increasing speed, the hazardous risks of this material have become a major concern. Several recent studies have reported that nTiO2 can cross the placental barrier in pregnant mice and cause neurotoxicity in their offspring. However, the influence of these nanoparticles on the fetoplacental unit during the pregnancy is yet to be studied. The present study reports on the effects of nTiO2 on the anatomical structure of fetal brain and liver in a pregnant mice model...
September 7, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28866670/clinical-outcome-for-congenital-diaphragmatic-hernia-at-the-age-of-1-year-in-the-era-of-fetal-intervention
#6
Eva Van Ginderdeuren, Karel Allegaert, Herbert Decaluwe, Jan Deprest, Anne Debeer, Marijke Proesmans
BACKGROUND: Congenital diaphragmatic hernia (CDH) is an abnormal development of the diaphragm leading to high neonatal mortality and morbidity. Beyond the neonatal period, prospective data on overall long-term outcome in CDH survivors is scarce. In particular, for those treated with fetoscopic endoluminal tracheal occlusion (FETO), a promising new technique to increase survival chances for severe cases, the outcomes are even less documented. AIM: To prospectively document the clinical outcome of CDH at 1 year including FETO-treated infants in relation to ante- and postnatal variables...
September 2, 2017: Neonatology
https://www.readbyqxmd.com/read/28862988/feto-maternal-osmotic-balance-at-term-a-prospective-observational-study
#7
Vibeke Moen, Lars Brudin, Ivar Tjernberg, Mats Rundgren, Lars Irestedt
OBJECTIVE: We performed the present study to investigate the feto-maternal osmotic relationship at term with the hypothesis that, in contrast to the literature, maternal plasma osmolality is lower than fetal levels. In a previous study, we found that maternal plasma sodium at delivery was consistently lower than the sodium in the umbilical artery. Our aim was to corroborate these results with analysis of osmolality. METHODS: Blood was sampled from 30 women immediately before cesarean section and from the umbilical artery and vein before cord clamping and osmolality, sodium and albumin were analyzed...
June 6, 2017: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/28861917/feto-and-utero-placental-vascular-adaptations-to-chronic-maternal-hypoxia-in-the-mouse
#8
Lindsay S Cahill, Monique Y Rennie, Johnathan Hoggarth, Lisa X Yu, Anum Rahman, John C Kingdom, Mike Seed, Christopher K Macgowan, John G Sled
KEY POINTS: Chronic fetal hypoxia is one of the most common complications of pregnancy and is known to cause fetal growth restriction. The structural adaptations of the placental vasculature responsible for growth restriction with chronic hypoxia are not well elucidated. Using a mouse model of chronic maternal hypoxia in combination with micro-computed tomography and scanning electron microscopy, we found several placental adaptations that were beneficial to fetal growth including capillary expansion, thinning of the interhaemal membrane and increased radial artery diameters, resulting in a large drop in total utero-placental vascular resistance...
September 1, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28855395/rare-autosomal-trisomies-revealed-by-maternal-plasma-dna-sequencing-suggest-increased-risk-of-feto-placental-disease
#9
Mark D Pertile, Meredith Halks-Miller, Nicola Flowers, Catalin Barbacioru, Sarah L Kinnings, Darcy Vavrek, William K Seltzer, Diana W Bianchi
Whole-genome sequencing (WGS) of maternal plasma cell-free DNA (cfDNA) can potentially evaluate all 24 chromosomes to identify abnormalities of the placenta, fetus, or pregnant woman. Current bioinformatics algorithms typically only report on chromosomes 21, 18, 13, X, and Y; sequencing results from other chromosomes may be masked. We hypothesized that by systematically analyzing WGS data from all chromosomes, we could identify rare autosomal trisomies (RATs) to improve understanding of feto-placental biology...
August 30, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28837134/clinician-performed-ultrasound-in-fetal-growth-restriction-fetal-neonatal-and-pediatric-aspects
#10
A Sehgal, F Crispi, M R Skilton, W-P de Boode
Fetal growth restriction (FGR) affects 7-10% pregnancies. Conventional and tissue Doppler imaging has noted cardiac compromise during fetal and early neonatal periods in this cohort. In this article, we discuss the use of salient ultrasound parameters across age groups. During fetal life, certain feto-placental sonographic parameters have been linked to adverse perinatal outcomes and are predictive of later life hypertension. During the early postnatal period altered morphometry (hypertrophied and globular hearts) with sub-clinical impairment of cardiac function has been noted in both term and preterm infants with FGR...
August 24, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/28831526/global-invasive-cochliobolus-species-cohort-of-destroyers-with-implications-in-food-losses-and-insecurity-in-the-twenty-first-century
#11
Louis Bengyella, Elsie Laban Yekwa, Kiran Nawaz, Sehrish Iftikhar, Ernest Tambo, Arghavan Alisoltani, Naser Aliye Feto, Pranab Roy
Matching the global food demand by 2050 and to ensure the stability of food security in over than 99 countries, it is necessary to scale up the production of food such as sorghum, wheat, rice, maize and sugarcane which are however natural hosts of Cochliobolus species. Cochliobolus species major epidemics such as the Great Bengal famine, Southern corn leaf blight, and Northern leaf spot blight were associated with substantial economic losses in the past decades. Thus, there is an urgent need to establish a specific coordinated global surveillance program for the migration of invasive Cochliobolus species, planning contextual control programs engaging all agricultural stakeholders and information sharing in real time for prevention of disastrous Cochliobolus disease outbreak effects...
August 22, 2017: Archives of Microbiology
https://www.readbyqxmd.com/read/28830415/anti-cancer-effects-of-ajwa-dates-phoenix-dactylifera-l-in-diethylnitrosamine-induced-hepatocellular-carcinoma-in-wistar-rats
#12
Fazal Khan, Tariq Jamal Khan, Gauthaman Kalamegam, Peter Natesan Pushparaj, Adeel Chaudhary, Adel Abuzenadah, Taha Kumosani, Elie Barbour, Mohammed Al-Qahtani
BACKGROUND: Hepatocellular carcinoma (HCC) accounts for major cancer-related deaths despite current advanced therapies. Treatment and prognosis of HCC is better in patients with preserved liver function. Many natural products including ajwa dates (Phoenix dactylifera L.), are claimed to have hepatoprotective and HCC inhibitory effects, but most lack scientific validation. To prove our hypothesis, we attempted to evaluate the HCC inhibitory effects, and other beneficial properties of the aqueous extract of ajwa dates (ADE) in a rat model of diethylnitrosamine (DEN) induced liver cancer...
August 22, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28801976/implications-of-fetoplacental-mosaicism-on-cell-free-dna-testing-for-sex-chromosome-aneuploidies
#13
Francesca Romana Grati, Komal Bajaj, Valentina Zanatta, Francesca Malvestiti, Barbara Malvestiti, Livia Marcato, Beatrice Grimi, Federico Maggi, Giuseppe Simoni, Susan J Gross, Jose Ferreira
OBJECTIVE: The unique biological behavior of sex chromosomes has implications for cell-free DNA (cfDNA) testing. Our purpose is to predict the i) false positive/negative rates (FPR/FNR) of cfDNA testing consequent to feto-placental mosaicism for any sex chromosome anomaly (SCA) ii) positive (PPV) and negative predictive values (NPV) of a high- and low-risk cfDNA result for any SCA. METHOD: Retrospective analysis of 67030 chorionic villus sampling (CVS) karyotypes, including feto-placental mosaicism cases...
August 11, 2017: Prenatal Diagnosis
https://www.readbyqxmd.com/read/28799251/comparison-of-anticoagulation-regimens-for-pregnant-women-with-prosthetic-heart-valves-a-meta-analysis-of-prospective-studies
#14
Jing Wang, Kangqi Li, Hongyan Li, Weiwei Zhu, Haiyan Sun, Congxiao Lu
INTRODUCTION: Pregnancy is associated with a hypercoagulable state, which makes pregnant women with prosthetic heart valves at high risk of thromboembolism. Proper anticoagulation regimen should take both the maternal protection and the fetal outcomes into consideration. However, no consensus on the present anticoagulation regimen for those women has been reached yet, especially in the first trimester of pregnancy. AIMS: The present meta-analysis is conducted to compare anticoagulation efficiency and feto-maternal complications of heparin and warfarin in the first trimester...
August 11, 2017: Cardiovascular Therapeutics
https://www.readbyqxmd.com/read/28796980/ovarian-yolk-sac-tumour-in-a-girl-case-report
#15
Charu Sharma, Hemanshi Shah, Neha Sisodiya Shenoy, Deepa Makhija, Mukta Waghmare
Yolk sac tumours are rare ovarian malignancies accounting for less than 1% of malignant ovarian germ cell tumours. They are mostly seen in adolescents and young women and are usually unilateral making fertility preservation imperative. Raised alpha-feto protein level is the hallmark of this tumour. We describe stage III yolk sac tumour in a girl child.
2017: Developmental Period Medicine
https://www.readbyqxmd.com/read/28758828/second-trimester-extracellular-micrornas-in-maternal-blood-and-fetal-growth-an-exploratory-study
#16
Rodosthenis S Rodosthenous, Heather H Burris, Alison P Sanders, Allan C Just, Alexandra E Dereix, Katherine Svensson, Maritsa Solano, Martha M Téllez-Rojo, Robert O Wright, Andrea A Baccarelli
Healthy feto-maternal communication is critical during pregnancy and is orchestrated by the placenta. Dysfunction of the placenta leads to fetal growth complications; however, the underlying biological mechanisms have yet to be fully elucidated. Circulating extracellular microRNAs (exmiRNAs) in the blood have been implicated in cell-to-cell communication. Therefore, exmiRNAs may provide useful biological information about communication between the mother, the fetus, and the placenta during pregnancy. We used logistic regression to determine the association of exmiRNAs with abnormal fetal growth by comparing mothers of infants classified as small-for-gestational age (SGA) (n = 36) and large-for-gestational age (LGA) (n = 13) to appropriate-for-gestational age (AGA), matched by gestational age at delivery and infant sex...
July 31, 2017: Epigenetics: Official Journal of the DNA Methylation Society
https://www.readbyqxmd.com/read/28744795/prediction-of-fetal-darunavir-exposure-by-integrating-human-ex-vivo-placental-transfer-and-physiologically-based-pharmacokinetic-modeling
#17
Stein Schalkwijk, Aaron O Buaben, Jolien J M Freriksen, Angela P Colbers, David M Burger, Rick Greupink, Frans G M Russel
BACKGROUND: Fetal antiretroviral exposure is usually derived from the cord-to-maternal concentration ratio. This static parameter does not provide information on the pharmacokinetics in utero, limiting the assessment of a fetal exposure-effect relationship. OBJECTIVE: The aim of this study was to incorporate placental transfer into a pregnancy physiologically based pharmacokinetic model to simulate and evaluate fetal darunavir exposure at term. METHODS: An existing and validated pregnancy physiologically based pharmacokinetic model of maternal darunavir/ritonavir exposure was extended with a feto-placental unit...
July 25, 2017: Clinical Pharmacokinetics
https://www.readbyqxmd.com/read/28744256/corticotropin-releasing-hormone-as-the-homeostatic-rheostat-of-feto-maternal-symbiosis-and-developmental-programming-in-utero-and-neonatal-life
#18
REVIEW
Viridiana Alcántara-Alonso, Pamela Panetta, Patricia de Gortari, Dimitris K Grammatopoulos
A balanced interaction between the homeostatic mechanisms of mother and the developing organism during pregnancy and in early neonatal life is essential in order to ensure optimal fetal development, ability to respond to various external and internal challenges, protection from adverse programming, and safeguard maternal care availability after parturition. In the majority of pregnancies, this relationship is highly effective resulting in successful outcomes. However, in a number of pathological settings, perturbations of the maternal homeostasis disrupt this symbiosis and initiate adaptive responses with unpredictable outcomes for the fetus or even the neonate...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28736088/fetopathological-examination-for-the-fetuses-with-down-syndrome-in-tunisia-epidemiological-study-and-associated-malformations
#19
Meriem Aloui, Kaouther Nasri, Nadia Ben Jemaa, Meriem Sahraoui, Aida Masmoudi, Dorra Zghal, Dalenda Chelli, Habiba Chaâbouni, Abdel Majid Ben Hamida, Soumeya Siala Gaigi, Raja Marrakchi
BACKGROUND: For Down syndrome (DS), traditional epidemiological studies to determine the prevalence, cause, and clinical significance of the syndrome have been conducted over the last 100 years. In Tunisia, the current work is the first in-depth study in epidemiology of DS from fetopathological data. AIM OF THE STUDY: The aim of this epidemiological study was to determine the impact of some feto-maternal characteristics in occurrence of DS and to search the frequency of associated congenital malformations with this syndrome...
May 8, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28729622/three-dimensional-visualization-of-intrauterine-conceptus-through-the-uterine-wall-by-tissue-clearing-method
#20
Kyosuke Kagami, Yohei Shinmyo, Masanori Ono, Hiroshi Kawasaki, Hiroshi Fujiwara
Visualization of specific cells in the three-dimensional organ architecture is one of the key steps to develop our knowledge about pathophysiological mechanisms in various organs. In this study, we successfully obtained stereoscopic whole images of the intrauterine murine embryo and placenta through the uterus using a modified tissue clearing CUBIC method. By this procedure, we can recognize the three-dimensional relationships among various tissues within the pregnant uterus and analyze free-angle images of cross-sections with single-cell resolution using a computer system...
July 20, 2017: Scientific Reports
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