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https://www.readbyqxmd.com/read/28647625/thermoresponsive-poly-glycidyl-ether-brushes-on-gold-surface-engineering-parameters-and-their-implication-for-cell-sheet-fabrication
#1
Silke Heinen, José Luis Cuellar-Camacho, Marie Weinhart
Thermoresponsive polymer coatings, optimized for cell adhesion and thermally-triggered cell detachment, allow the fabrication of confluent cell sheets with intact extracellular matrix. However, rational design guidelines for such coatings are rare, since temperature-triggered cell adhesion and detachment from thermoresponsive surfaces are mechanistically not well understood. Herein, we investigated the impact of molecular weight (2, 9, 24 kDa), grafting density (0.04 - 1.4 chains nm(-2)), morphology, and roughness of well-characterized thermoresponsive poly(glycidyl ether) brushes on the cell response at 37 and 20°C...
June 21, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28646801/the-effects-of-exposure-to-low-frequency-electromagnetic-fields-on-male-fertility
#2
Mahsa Darbandi, Sara Darbandi, Ashok Agarwal, Ralf Henkle, Mohammad Reza Sadeghi
Context • People are increasingly exposed to low frequency (LF) electromagnetic fields (EMFs), mainly from electricity distribution networks and electronic devices. Critics of this widespread exposure believe that it can have detrimental effects on the human body. On the other hand, many in vivo and in vitro studies have claimed that low frequency electromagnetic therapy can function as a form of alternative medicine and that therapists can treat disease by applying electromagnetic radiation or pulsed EMFs to the body or cells...
June 23, 2017: Alternative Therapies in Health and Medicine
https://www.readbyqxmd.com/read/28646768/source-profiling-of-arsenic-and-heavy-metals-in-the-selangor-river-basin-and-their-maternal-and-cord-blood-levels-in-selangor-state-malaysia
#3
Nobumitsu Sakai, Zohour Alsaad, Nguyen Thi Thuong, Kenji Shiota, Minoru Yoneda, Mustafa Ali Mohd
Arsenic and 5 heavy metals (nickel, copper, zinc, cadmium and lead) were quantitated in surface water (n = 18) and soil/ore samples (n = 45) collected from 5 land uses (oil palm converted from forest, oil palm in peat swamp, bare land, quarry and forest) in the Selangor River basin by inductively coupled plasma mass spectrometry (ICP-MS). Geographic information system (GIS) was used as a spatial analytical tool to classify 4 land uses (forest, agriculture/peat, urban and bare land) from a satellite image taken by Landsat 8...
June 17, 2017: Chemosphere
https://www.readbyqxmd.com/read/28646119/rest-suppression-mediates-neural-conversion-of-adult-human-fibroblasts-via-microrna-dependent-and-independent-pathways
#4
Janelle Drouin-Ouellet, Shong Lau, Per Ludvik Brattås, Daniella Rylander Ottosson, Karolina Pircs, Daniela A Grassi, Lucy M Collins, Romina Vuono, Annika Andersson Sjöland, Gunilla Westergren-Thorsson, Caroline Graff, Lennart Minthon, Håkan Toresson, Roger A Barker, Johan Jakobsson, Malin Parmar
Direct conversion of human fibroblasts into mature and functional neurons, termed induced neurons (iNs), was achieved for the first time 6 years ago. This technology offers a promising shortcut for obtaining patient- and disease-specific neurons for disease modeling, drug screening, and other biomedical applications. However, fibroblasts from adult donors do not reprogram as easily as fetal donors, and no current reprogramming approach is sufficiently efficient to allow the use of this technology using patient-derived material for large-scale applications...
June 23, 2017: EMBO Molecular Medicine
https://www.readbyqxmd.com/read/28645262/acute-myeloid-leukemia-and-pregnancy-clinical-experience-from-a-single-center-and-a-review-of-the-literature
#5
Nicola Stefano Fracchiolla, Mariarita Sciumè, Francesco Dambrosi, Francesca Guidotti, Manuela Wally Ossola, Giovanna Chidini, Umberto Gianelli, Daniela Merlo, Agostino Cortelezzi
BACKGROUND: Acute myeloid leukemia (AML) accounts for more than two thirds of leukemia during pregnancy and has an incidence of 1 in 75,000 to 100,000. Its clinical management remains a challenging therapeutic task both for patient and medical team, given to the therapy-attributable risks for mother and fetus and the connected counseling regarding pregnancy continuation. METHODS: We provided a review of updated literature and a comprehensive description of five maternal/fetal outcomes of AML cases diagnosed concomitantly to pregnancy and treated at our Institution from 2006 to 2012...
June 23, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28644735/fetal-and-neonatal-alloimmune-thrombocytopenia-evidence-based-antenatal-and-postnatal-management-strategies
#6
Dian Winkelhorst, Dick Oepkes, Enrico Lopriore
Fetal and neonatal alloimmune thrombocytopenia (FNAIT) is a relatively rare but potentially lethal disease, leading to severe bleeding complications in 1 in 11.000 newborns. It is the leading cause of thrombocytopenia in healthy term-born neonates. Areas covered: This review summarizes the antenatal as well as postnatal treatment, thus creating a complete overview of all possible management strategies for FNAIT. Expert commentary: The optimal antenatal therapy in order to prevent bleeding complications in pregnancies complicated by FNAIT is non-invasive treatment with weekly intravenous immunoglobulin (IVIG)...
June 23, 2017: Expert Review of Hematology
https://www.readbyqxmd.com/read/28643663/delivery-outcomes-of-term-pregnancy-complicated-by-idiopathic-polyhydramnios
#7
S Zeino, L Carbillon, I Pharisien, A Tigaizin, M Benchimol, R Murtada, J Boujenah
OBJECTIVE: Polyhydramnios is associated with an increased risk of cesarean section. The aetiology of polyhydramnios and the characteristics of the labour may be confounding factors. The objective was to study the characteristics and mode of delivery in case of pregnancy complicated with idiopathic polyhydramnios. METHODS: This retrospective matched and controlled study included all pregnant women with idiopathic polyhydramnios (amniotic index>25cm or single deepest pocket>8cm) diagnosed at the 2nd or 3rd trimester and persistent at term delivery (>37weeks of pregnancy) in our institution...
April 2017: Journal of gynecology obstetrics and human reproduction
https://www.readbyqxmd.com/read/28642442/triplet-pregnancy-with-fetal-reduction-experience-in-hong-kong
#8
W T Tse, L W Law, D S Sahota, T Y Leung, Y Ky Cheng
INTRODUCTION: Triplet and higher-order multiple pregnancies are well known to be associated with increased adverse outcomes. This study reviewed the perinatal outcomes in women with a triplet pregnancy who underwent fetal reduction versus expectant management at a university hospital in Hong Kong. METHODS: This was a retrospective review of triplet pregnancies at Prince of Wales Hospital in Hong Kong from 1 January 2008 to 30 September 2014. Women carrying a triplet pregnancy were classified as having had expectant management, fetal reduction to twins, or fetal reduction to a singleton...
June 23, 2017: Hong Kong Medical Journal, Xianggang Yi Xue za Zhi
https://www.readbyqxmd.com/read/28641304/hyperemesis-gravidarum-a-review-of-recent-literature
#9
Viktoriya London, Stephanie Grube, David M Sherer, Ovadia Abulafia
BACKGROUND: In the United States, hyperemesis gravidarum is the most common cause of hospitalization during the first half of pregnancy and is second only to preterm labor for hospitalizations in pregnancy overall. In approximately 0.3-3% of pregnancies, hyperemesis gravidarum is prevalent and this percentage varies on account of different diagnostic criteria and ethnic variation in study populations. Despite extensive research in this field, the mechanism of the disease is largely unknown...
June 23, 2017: Pharmacology
https://www.readbyqxmd.com/read/28641300/prenatal-diagnosis-of-dextrocardia-with-complex-congenital-heart-disease-using-fetal-intelligent-navigation-echocardiography-fine-and-a-literature-review
#10
Lami Yeo, Suchaya Luewan, Dor Markush, Navleen Gill, Roberto Romero
Fetal dextrocardia is a type of cardiac malposition where the major axis from base to apex points to the right side. This condition is usually associated with a wide spectrum of complex cardiac defects. As a result, dextrocardia is conceptually difficult to understand and diagnose on prenatal ultrasound. The advantage of four-dimensional sonography with spatiotemporal image correlation (STIC) is that this modality can facilitate fetal cardiac examination. A novel method known as fetal intelligent navigation echocardiography (FINE) allows automatic generation of nine standard fetal echocardiography views in normal hearts by applying intelligent navigation technology to STIC volume datasets...
June 23, 2017: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/28637888/maternal-bmi-and-glycemia-impact-the-fetal-metabolome
#11
William L Lowe, James R Bain, Michael Nodzenski, Anna C Reisetter, Michael J Muehlbauer, Robert D Stevens, Olga R Ilkayeva, Lynn P Lowe, Boyd E Metzger, Christopher B Newgard, Denise M Scholtens
OBJECTIVE: We used targeted metabolomics to determine associations of maternal BMI and glucose levels with cord blood metabolites and associations of cord blood metabolites with newborn birth weight and adiposity in mother-offspring dyads. RESEARCH DESIGN AND METHODS: Targeted metabolomic assays were performed on cord blood serum samples from European ancestry, Afro-Caribbean, Thai, and Mexican American newborns (400 from each ancestry group) whose mothers participated in the Hyperglycemia and Adverse Pregnancy Outcome (HAPO) Study and who had anthropometric measurements at birth...
July 2017: Diabetes Care
https://www.readbyqxmd.com/read/28637734/pregnancy-specific-stress-fetoplacental-haemodynamics-and-neonatal-outcomes-in-women-with-small-for-gestational-age-pregnancies-a-secondary-analysis-of-the-multicentre-prospective-observational-trial-to-optimise-paediatric-health-in-intrauterine-growth-restriction
#12
Terri A Levine, Ruth E Grunau, Ricardo Segurado, Sean Daly, Michael P Geary, Mairead M Kennelly, Keelin O'Donoghue, Alyson Hunter, John J Morrison, Gerard Burke, Patrick Dicker, Elizabeth C Tully, Fergal D Malone, Fiona A Alderdice, Fionnuala M McAuliffe
OBJECTIVES: To examine associations between maternal pregnancy-specific stress and umbilical (UA PI) and middle cerebral artery pulsatility indices (MCA PI), cerebroplacental ratio, absent end diastolic flow (AEDF), birthweight, prematurity, neonatal intensive care unit admission and adverse obstetric outcomes in women with small for gestational age pregnancies. It was hypothesised that maternal pregnancy-specific stress would be associated with fetoplacental haemodynamics and neonatal outcomes...
June 21, 2017: BMJ Open
https://www.readbyqxmd.com/read/28634788/consistent-reconstruction-of-4d-fetal-heart-ultrasound-images-to-cope-with-fetal-motion
#13
Christine Tanner, Barbara Flach, Céline Eggenberger, Oliver Mattausch, Michael Bajka, Orcun Goksel
PURPOSE: 4D ultrasound imaging of the fetal heart relies on reconstructions from B-mode images. In the presence of fetal motion, current approaches suffer from artifacts, which are unrecoverable for single sweeps. METHODS: We propose to use many sweeps and exploit the resulting redundancy to automatically recover from motion by reconstructing a 4D image which is consistent in phase, space, and time. An interactive visualization framework to view animated ultrasound slices from 4D reconstructions on arbitrary planes was developed using a magnetically tracked mock probe...
June 20, 2017: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/28634753/fetal-cephaloceles-prenatal-diagnosis-and-course-of-pregnancy-in-65-consecutive-cases
#14
Jan Weichert, Friederike Hoellen, Martin Krapp, Ute Germer, Roland Axt-Fliedner, Andrea Kempe, Annegret Geipel, Christoph Berg, Ulrich Gembruch
PURPOSE: To scrutinize the characteristics of all cases with antenatally established diagnosis of cephalocele in two tertiary referral centers. METHODS: We retrospectively reviewed 65 cases diagnosed with cephaloceles and tabulated sonographic findings and autopsy recordings as well as medical charts of all survivors in terms of clinical outcome. RESULTS: The case notes of 65 fetuses were available for final analysis. Gestational age (GA) at diagnosis ranged from 10...
June 20, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28633494/silencing-effect-of-hominoid-highly-conserved-non-coding-sequences-on-embryonic-brain-development
#15
Morteza Mahmoudi Saber, Naruya Saitou
Superfamily Hominoidea, which consists of Hominidae (humans and great apes) and Hylobatidae (gibbons), is well-known for sharing human-like characteristics, however, the genomic origins of these shared unique phenotypes have mainly remained elusive. To decipher the underlying genomic basis of Hominoidea-restricted phenotypes, we identified and characterized Hominoidea-restricted highly conserved noncoding sequences (HCNSs) that are a class of potential regulatory elements which may be involved in evolution of lineage-specific phenotypes...
June 19, 2017: Genome Biology and Evolution
https://www.readbyqxmd.com/read/28633455/fetal-metabolic-stress-disrupts-immune-homeostasis-and-induces-pro-inflammatory-responses-in-hiv-1-and-cart-exposed-infants
#16
Johannes C Schoeman, Gontse P Moutloatse, Amy C Harms, Rob J Vreeken, Henriette J Scherpbier, Liesbeth Van Leeuwen, Taco W Kuijpers, Carools J Reinecke, Ruud Berger, Thomas Hankemeier, Madeleine J Bunders
Increased morbidity and fetal growth restriction are reported in uninfected children born to HIV-1-infected women treated with antiretroviral (ARV) therapy. Viruses and/or pharmacological interventions such as ARVs can induce metabolic stress skewing the cell's immune response and restricting (cell) growth. Novel metabolomic techniques provided the opportunity to investigate the impact of fetal HIV-1 and combination ARV therapy (cART)-exposure on the infants' immune-metabolome. Peroxidized lipids, generated by reactive oxygen species, were increased in cART/HIV-1-exposed infants, indicating altered mitochondrial functioning...
June 17, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28632489/the-effects-of-platelet-gel-on-cultured-human-retinal-pigment-epithelial-cells
#17
Sahar Balagholi, Shaban Alizadeh, Abouzar Bagheri, Yashar Amizadeh, Mozhgan Rezaei Kanavi
The positive role of platelet gel (PG) in tissue regeneration is well known, however, other characteristics of PG still remain to be determined. We investigated cellular and molecular changes in cultured human retinal pigment epithelial (hRPE) cells when treated with different concentrations of PG named PG1, PG2, and PG3. hRPE cells were isolated from donor eyes of two newborn children, within 24 hours after their death. The cells were treated with three concentrations of PG for 7 days: 3 × 104/ml (PG1), 6 × 104/ml (PG2), and 9 × 104/ml (PG3)...
June 20, 2017: Bosnian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28630448/progesterone-prevents-epithelial-mesenchymal-transition-of-ovine-amniotic-epithelial-cells-and-enhances-their-immunomodulatory-properties
#18
Angelo Canciello, Valentina Russo, Paolo Berardinelli, Nicola Bernabò, Aurelio Muttini, Mauro Mattioli, Barbara Barboni
The in vitro expansion is detrimental to therapeutic applications of amniotic epithelial cells (AEC), an emerging source of fetal stem cells. This study provides molecular evidences of progesterone (P4) role in preventing epithelial-mesenchymal transition (EMT) in ovine AEC (oAEC). oAEC amplified under standard conditions spontaneously acquired mesenchymal properties through the up-regulation of EMT-transcription factors. P4 supplementation prevented phenotype shift by inhibiting the EMT-inducing mechanism such as the autocrine production of TGF-β and the activation of intracellular-related signaling...
June 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28626856/delivery-parameters-neonatal-parameters-and-incidence-of-urinary-incontinence-6-months-postpartum-a-cohort-study
#19
Stian Langeland Wesnes, Yngvild Hannestad, Guri Rortveit
INTRODUCTION: Contradictory results have been reported regarding most delivery parameters as risk factors for urinary incontinence. We investigated the association between incidence of urinary incontinence six months postpartum and single obstetric risk factors as well as combinations of risk factors. MATERIAL AND METHOD: This study was based on the Norwegian Mother and Child Cohort Study, conducted by the Norwegian Institute of Public Health during 1998-2008. This substudy was based on 7561 primiparous women who were continent before and during pregnancy...
June 19, 2017: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/28625536/reconstructing-lineage-hierarchies-of-mouse-uterus-epithelial-development-using-single-cell-analysis
#20
Bingbing Wu, Chengrui An, Yu Li, Zi Yin, Lin Gong, Zhenli Li, Yixiao Liu, Boon Chin Heng, Dandan Zhang, Hongwei Ouyang, Xiaohui Zou
The endometrial layer comprises luminal and glandular epithelia that both develop from the same simple layer of fetal uterine epithelium. Mechanisms of uterine epithelial progenitor self-renewal and differentiation are unclear. This study aims to systematically analyze the molecular and cellular mechanisms of uterine epithelial development by single-cell analysis. An integrated set of single-cell transcriptomic data of uterine epithelial progenitors and their differentiated progenies is provided. Additionally the unique molecular signatures of these cells, characterized by sequential upregulation of specific epigenetic and metabolic activities, and activation of unique signaling pathways and transcription factors, were also investigated...
June 14, 2017: Stem Cell Reports
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