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https://www.readbyqxmd.com/read/28745124/dysfunction-of-the-foetal-arterial-duct-results-in-a-wide-spectrum-of-cardiovascular-pathology
#1
Marc Gewillig, Stephen C Brown, Mieke Roggen, Benedicte Eyskens, Ruth Heying, Patrice Givron, Bjorn Cools, Luc de Catte
OBJECTIVE: Foetal ductal problems may have various cardiopulmonary consequences. This study aimed to identify the spectrum of ductus arteriosus (DA) dysfunction (closure, constriction, kinking, aneurysm and thrombosis) and the resultant clinical and echocardiographic presentation in foetuses and neonates. METHODS AND RESULTS: This is a retrospective analysis of serial pre- and post-natal data of 27 cases of foetal ductal dysfunction diagnosed at a median gestational age of 33 weeks (range 20-39)...
July 26, 2017: Acta Cardiologica
https://www.readbyqxmd.com/read/28743969/human-amniotic-membrane-as-newly-identified-source-of-amniotic-fluid-pulmonary-surfactant
#2
Angela Lemke, José Carlos Castillo-Sánchez, Florian Prodinger, Asja Ceranic, Simone Hennerbichler-Lugscheider, Jesús Pérez-Gil, Heinz Redl, Susanne Wolbank
Pulmonary surfactant (PS) reduces surface tension at the air-liquid interface in the alveolar epithelium of the lung, which is required for breathing and for the pulmonary maturity of the developing foetus. However, the origin of PS had never been thoroughly investigated, although it was assumed to be secreted from the foetal developing lung. Human amniotic membrane (hAM), particularly its epithelial cell layer, composes the amniotic sac enclosing the amniotic fluid. In this study, we therefore aimed to investigate a potential contribution of the cellular components of the hAM to pulmonary surfactant found in amniotic fluid...
July 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28733576/mait-cells-accumulate-in-placental-intervillous-space-and-display-a-highly-cytotoxic-phenotype-upon-bacterial-stimulation
#3
Martin Solders, Laia Gorchs, Tom Erkers, Anna-Carin Lundell, Silvia Nava, Sebastian Gidlöf, Eleonor Tiblad, Isabelle Magalhaes, Helen Kaipe
During pregnancy, the maternal immune system must tolerate the developing foetus, and yet retain a potent antimicrobial response to prevent infections. Mucosal associated invariant T (MAIT) cells recognize microbial-derived vitamin B metabolites presented on the MR1 molecule, but their presence and function at the foetal-maternal interface is not known. We here isolated mononuclear cells from paired samples of peripheral blood (PB), intervillous blood (IVB), and decidua parietalis (DP) following uncomplicated term pregnancies...
July 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28728536/postnatal-delayed-exacerbation-of-dural-sinus-malformation-associated-with-brainstem-cavernous-malformations-a-case-report
#4
Katsuhiro Mizutani, Tomoru Miwa, Takenori Akiyama, Tokunori Kanazawa, Hideaki Nagashima, Kei Miyakoshi, Yasunari Niimi, Kazunari Yoshida
Dural sinus malformation (DSM) is a rare paediatric vascular malformation characterised by abnormal dilation of the posterior dural sinus. Owing to its rarity, the pathophysiology of DSM has not been fully elucidated. We report a case of prenatally diagnosed DSM with an unusual clinical course. We detected DSM in a male foetus in the 26th week of gestation by using foetal ultrasonography. Although the DSM regressed during the foetal stage and the arteriovenous shunt was insignificant in the neonate, the shunt rapidly developed four months after birth...
January 1, 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28727838/prevalence-and-factors-associated-with-recent-intimate-partner-violence-and-relationships-between-disability-and-depression-in-post-partum-women-in-one-clinic-in-ethekwini-municipality-south-africa
#5
Andrew Gibbs, Bradley Carpenter, Tamaryn Crankshaw, Jill Hannass-Hancock, Jennifer Smit, Mark Tomlinson, Lisa Butler
Intimate partner violence (IPV) experienced by pregnant and post-partum women has negative health effects for women, as well as the foetus, and the new-born child. In this study we sought to assess the prevalence and factors associated with recent IPV amongst post-partum women in one clinic in eThekwini Municipality, South Africa, and explore the relationship between IPV, depression and functional limitations/disabilities. Past 12 month IPV-victimisation was 10.55%. Logistic regression modelled relationships between IPV, functional limitations, depressive symptoms, socio-economic measures, and sexual relationship power...
2017: PloS One
https://www.readbyqxmd.com/read/28726319/ultrastructure-of-lingual-papillae-in-common-chimpanzee-pan-troglodytes-foetus-newborn-and-adult-specimens
#6
J F Pastor, M Barbosa, F J De Paz, I San José, M Levanti, J M Potau, J A Vega, R Cabo
Among primates, the two recognized species of chimpanzees (common chimpanzee, Pan troglodytes; pygmy chimpanzee, Pan paniscus) are considered to be the most similar to humans. Importantly, in mammals, the food intake behaviour largely determines the tongue morphology, including the type, proportion and distribution of gustatory and non-gustatory tongue papillae. The lingual papillae form during its development and mature in post-natal life depending on the different feeding. In this study, we have used scanning electron microscopy to analyse the age-related changes in the lingual papillae of foetal, newborn and adult P...
July 20, 2017: Anatomia, Histologia, Embryologia
https://www.readbyqxmd.com/read/28715807/amniotic-fluid-angiogenic-and-inflammatory-factor-profiling-in-foetal-down-syndrome
#7
Monika Zbucka-Kretowska, Karol Charkiewicz, Jan Czerniecki, Joanna Goscik, Slawomir Wolczynski, Piotr Laudanski
OBJECTIVES: Angiogenic factors are proteins that can potentially be related to certain foetal chromosomal abnormalities. The goal of this study was to determine the concentrations of 60 angiogenic factors in the amniotic fluid of women carrying foetuses with Down syndrome (DS). METHODS: After analysis of the karyotyping results, for the purpose of this study, we chose 12 women with foetal DS. For the control group, we selected 12 healthy patients with uncomplicated pregnancies (15-18 weeks of gestation) who delivered healthy newborns at term...
July 15, 2017: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/28710994/toxic-compounds-from-tobacco-in-placenta-samples-analyzed-by-uplc-qtof-ms
#8
Somayeh Mohammadi, Celia Domeno, Isabel Nerin, Margarita Aznar, Pilar Samper, Gholamreza Khayatian, Cristina Nerin
Polycyclic aromatic hydrocarbons (PAHs), tobacco-specific nitrosamines (TSNAs) and aromatic amines are carcinogens present in cigarette smoke. These compounds are distributed in the human body and they could be transferred to the foetus during the pregnancy. Placenta is the main barrier to these toxic compounds and its study is the objective of this work. A method based on solid-phase extraction (SPE) with ultra-performance liquid chromatography-tandem quadrupole-time-of-flight mass spectrometry (UPLC-QTOF-MS) has been examined and optimized for the analysis of 9 target analytes (4 tobacco-specific nitrosamines and some of their metabolites, 3 aromatic amines, nicotine and cotinine) in 26 placenta samples from smoking and non-smoking women...
June 20, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28702933/characterization-of-simbu-serogroup-virus-infections-in-type-i-interferon-receptor-knock-out-mice
#9
Kerstin Tauscher, Kerstin Wernike, Melina Fischer, Anne Wegelt, Bernd Hoffmann, Jens Peter Teifke, Martin Beer
In late 2011, Schmallenberg virus (SBV), a novel, arthropod-borne, teratogenic orthobunyavirus, emerged near the German/Dutch border and thereafter spread rapidly throughout the continent thereby causing great economic losses in European livestock. SBV mainly infects ruminants and closely related viruses such as Sabo virus (SABOV), Simbu virus (SIMBUV) and Sathuperi virus (SATV) have been isolated from their insect-vectors or putative ruminant hosts. However, information about their pathogenesis and in vivo studies with SABOV, SIMBUV, and SATV are scarce...
July 12, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28701287/effects-of-sex-pregnancy-and-season-on-insulin-secretion-and-carbohydrate-metabolism-in-horses
#10
Elisabeth Beythien, Manuela Wulf, Natascha Ille, Jörg Aurich, Christine Aurich
In pregnant mares, peripheral insulin antagonism channels glucose preferentially to the foetus. On the other hand, horses reduce their metabolic activity in winter. Taking these aspects of equine pregnancy and metabolism together, we hypothesized that glucose clearance from blood and the insulin response to glucose do not only change throughout gestation but also with season. To test this hypothesis, the glucose and insulin response to an oral glucose test and relative insulin release were analysed in pregnant mares (n=12) and in geldings (n=10) as controls...
July 6, 2017: Animal Reproduction Science
https://www.readbyqxmd.com/read/28700642/bacterial-communities-found-in-placental-tissues-are-associated-with-severe-chorioamnionitis-and-adverse-birth-outcomes
#11
Ronan M Doyle, Kathryn Harris, Steve Kamiza, Ulla Harjunmaa, Ulla Ashorn, Minyanga Nkhoma, Kathryn G Dewey, Kenneth Maleta, Per Ashorn, Nigel Klein
Preterm birth is a major cause of neonatal mortality and morbidity worldwide. Bacterial infection and the subsequent inflammatory response are recognised as an important cause of preterm birth. It is hypothesised that these organisms ascend the cervical canal, colonise placental tissues, cause chorioamnionitis and in severe cases infect amniotic fluid and the foetus. However, the presence of bacteria within the intrauterine cavity does not always precede chorioamnionitis or preterm birth. Whereas previous studies observing the types of bacteria present have been limited in size and the specificity of a few predetermined organisms, in this study we characterised bacteria found in placental tissues from a cohort of 1391 women in rural Malawi using 16S ribosomal RNA gene sequencing...
2017: PloS One
https://www.readbyqxmd.com/read/28698953/what-can-we-do-to-reduce-the-associated-costs-in-induction-of-labour-of-intrauterine-growth-restriction-foetuses-at-term-a-cost-analysis-study
#12
Jorge Duro-Gómez, María Fernanda Garrido-Oyarzún, Ana Belén Rodríguez-Marín, Antonio Jesús de la Torre González, José Eduardo Arjona-Berral, Camil Castelo-Branco
OBJECTIVE: To evaluate the costs associated with induction of labour in intrauterine growth restriction fetuses comparing different procedures. STUDY DESIGN: 150 pregnancies at term diagnosed with intrauterine growth restriction and indication for induction of labour were included. 24 were ripened with misoprostol 25 μg tablets, 24 with dinoprostone 10 mg vaginal insert, and 77 with Cook(®) cervical ripening balloon. To determine the costs of induction of labour, method of induction, intrapartum medication, epidural analgesia, type of delivery, and maternal and neonatal admissions were considered...
July 11, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28697817/effects-of-maternal-nutrient-restriction-during-early-or-mid-gestation-without-realimentation-on-maternal-physiology-and-foetal-growth-and-development-in-beef-cattle
#13
R K Taylor, C T LeMaster, K S Mangrum, R E Ricks, N M Long
The aim of this study is to determine the effects of early and mid-gestation nutrient restriction on maternal metabolites and foetal growth. Primiparous Angus cows were synchronized and inseminated with semen from one sire. Dietary treatments were: control to gain 1 kg/week (CON) or 0.55% maintenance energy and CP requirements (nutrient restricted; NR). A subset of dams was fed NR (n=8) or CON (n=8) from days 30 to 110 of gestation. Another group was fed CON (n=8), days 30 to 190; NR (n=7), days 30 to 110 followed by CON days 110 to 190; or CON, (n=7) days 30 to 110 followed by NR days 110 to 190...
July 12, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28696810/mitochondrial-dna-variations-are-associated-with-recurrent-pregnancy-loss
#14
Ali Azadi, Dong Joo Seo, Hannaneh Jafari Sasansara, Michael Van Haute
Cases with three or more consecutive spontaneous abortions before the 20th week of gestation are termed as recurrent pregnancy loss (RPL). Problems in implantation of the foetus and any retarded growth of the foetus in the uterus can be correlated to RPL. Possible causes of RPL would include the genetic variations in the regulatory enzymes of the crucial metabolic pathways, clotting factors, hormones and hormone receptors. This defect of the mitochondrial respiratory chain is recognized as a major cause of human disease...
July 11, 2017: Mitochondrial DNA. Part A. DNA Mapping, Sequencing, and Analysis
https://www.readbyqxmd.com/read/28695287/the-role-of-kir-and-hla-interactions-in-pregnancy-complications
#15
REVIEW
Francesco Colucci
Combinations of KIR and HLA genes associate with pregnancy complications as well as with many other clinical scenarios. Understanding how certain KIR and HLA genes influence the biology of a disease is, however, a formidable challenge. These are the two most variable gene families in the human genome. Moreover, the biology of a disease is best understood by studying the cells of the affected tissue. Natural Killer (NK) cells express KIR and are the most abundant leukocytes in the uterus. Most of our knowledge of NK cells is based on what we have learned from cells isolated from blood, but these are different from their tissue resident counterparts, including uterine NK (uNK) cells...
July 10, 2017: Immunogenetics
https://www.readbyqxmd.com/read/28686396/-recommendations-for-the-vaccination-of-pregnant-women-a-booster-injection
#16
Yolanda Mueller, Christiane Sigrid Eberhardt, Alessandro Diana, Begoña Martinez De Tejada
For several decades we have avoided the immunisation of pregnant women, with the only exception being that of the tetanus vaccination in the absence of a previous basic immunisation. Nowadays, it is strongly advised to give several vaccines specifically during pregnancy : maternal immunisations against pertussis and influenza have been shown to prevent complications in both the foetus and the newborn as well as the woman during pregnancy and after delivery. This article aims to review these recommendations, their rationale and to address potential concerns that are often raised by physicians and patients...
October 12, 2016: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28686149/enhanced-opsonisation-of-rhesus-d-positive-human-red-blood-cells-by-recombinant-polymeric-immunoglobulin-g-anti-g-antibodies
#17
Dylana Díaz-Solano, Jaheli Fuenmayor, Ramon F Montaño
BACKGROUND: Anti-RhD antibodies (anti-D) are important in the prophylaxis of haemolytic disease of the foetus and newborn (HDFN) due to RhD incompatibility. Current preparations of anti-D are sourced from hyperimmune human plasma, so its production carries a risk of disease and is dependent on donor availability. Despite the efforts to develop a monoclonal preparation with similar prophylactic properties to the plasma-derived anti-D, no such antibody is yet available. Here we studied the agglutinating, opsonic and haemolytic activities of two recombinant polymeric immunoglobulins (Ig) against the G antigen of the Rh complex...
May 30, 2017: Blood Transfusion, Trasfusione del Sangue
https://www.readbyqxmd.com/read/28685180/first-toxoplasma-gondii-isolate-from-an-aborted-foetus-of-european-bison-bison-bonasus-bonasus-l
#18
Bożena Moskwa, Justyna Bień, Aleksandra Kornacka, Aleksandra Cybulska, Katarzyna Goździk, Michał K Krzysiak, Katarina Reiterova, Władysław Cabaj
The study was performed on a male European bison (Bison bonasus bonasus L.) foetus spontaneously aborted at the fourth or fifth month of pregnancy in the Białowieża Forest. Serum samples from the foetus and mother revealed the presence of antibodies against T. gondii (S/P% = 88% and 75%, respectively). Mobile extracellular tachyzoites were first observed in a Vero cell culture, 110 days following inoculation of brain homogenate. PCR amplification with TGR1E1 and TGR1E2 primers confirmed the presence of T...
July 6, 2017: Parasitology Research
https://www.readbyqxmd.com/read/28679415/classification-of-caesarean-section-and-normal-vaginal-deliveries-using-foetal-heart-rate-signals-and-advanced-machine-learning-algorithms
#19
Paul Fergus, Abir Hussain, Dhiya Al-Jumeily, De-Shuang Huang, Nizar Bouguila
BACKGROUND: Visual inspection of cardiotocography traces by obstetricians and midwives is the gold standard for monitoring the wellbeing of the foetus during antenatal care. However, inter- and intra-observer variability is high with only a 30% positive predictive value for the classification of pathological outcomes. This has a significant negative impact on the perinatal foetus and often results in cardio-pulmonary arrest, brain and vital organ damage, cerebral palsy, hearing, visual and cognitive defects and in severe cases, death...
July 6, 2017: Biomedical Engineering Online
https://www.readbyqxmd.com/read/28677530/establishment-of-a-rabbit-induced-pluripotent-stem-cell-rbipsc-line-using-lentiviral-delivery-of-human-pluripotency-factors
#20
Zsuzsanna Táncos, Csilla Nemes, Eszter Varga, István Bock, Sasitorn Rungarunlert, Theerawat Tharasanit, Mongkol Techakumphu, Julianna Kobolák, András Dinnyés
Rabbit Embryonic Fibroblast (RbEF) cells (from Hycole hybrid rabbit foetus) were reprogrammed by lentiviral delivery of a self-silencing hOKSM polycistronic vector. The pluripotency of the newly generated RbiPSC was verified by the expression of pluripotency-associated markers and by in vitro spontaneous differentiation towards the 3 germ layers. Furthermore, the spontaneous differentiation potential of the iPSC was also tested in vivo by teratoma assay. The iPSC line showed normal karyotype. The advantages of using RbiPSC are the easy access to primary material and the possibility to study the efficacy and safety of the iPSC-based therapies on a non-rodent animal model...
May 2017: Stem Cell Research
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