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https://www.readbyqxmd.com/read/29452148/complete-inhibition-of-fetal-movement-in-the-day-40-pregnant-goat-model-by-the-piperidine-alkaloid-anabasine-but-not-related-alkaloids
#1
B T Green, S T Lee, J W Keele, K D Welch, D Cook, J A Pfister, W R Kem
Four chemically similar alkaloids, anabasine, anabaseine, epibatidine and dimethylphenylpiperazinium (DMPP), are potent nicotinic acetylcholine receptor agonists of fetal muscle nicotinic acetylcholine receptors in human TE-671 cells. Based on results with these cells, we hypothesized that the alkaloids would completely inhibit ultrasound-monitored fetal movement in a goat model. Different, single doses of anabasine, anabaseine, epibatidine, DMPP, or saline control were administered I.V. to pregnant goats on day 40 of gestation and the number of fetal movements per 5 min sample was measured by ultrasound at times 0, 0...
February 13, 2018: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/29451855/in-vivo-labeling-by-cd73-marks-multipotent-stromal-cells-and-highlights-endothelial-heterogeneity-in-the-bone-marrow-niche
#2
Martin Breitbach, Kenichi Kimura, Tiago C Luis, Christopher J Fuegemann, Petter S Woll, Michael Hesse, Raffaella Facchini, Sarah Rieck, Katarzyna Jobin, Julia Reinhardt, Osamu Ohneda, Daniela Wenzel, Caroline Geisen, Christian Kurts, Wolfgang Kastenmüller, Michael Hölzel, Sten E W Jacobsen, Bernd K Fleischmann
Despite much work studying ex vivo multipotent stromal cells (MSCs), the identity and characteristics of MSCs in vivo are not well defined. Here, we generated a CD73-EGFP reporter mouse to address these questions and found EGFP + MSCs in various organs. In vivo, EGFP + mesenchymal cells were observed in fetal and adult bones at proliferative ossification sites, while in solid organs EGFP + cells exhibited a perivascular distribution pattern. EGFP + cells from the bone compartment could be clonally expanded ex vivo from single cells and displayed trilineage differentiation potential...
February 1, 2018: Cell Stem Cell
https://www.readbyqxmd.com/read/29451823/evaluation-of-fetal-intestinal-cell-growth-and-antimicrobial-biofunctionalities-of-donor-human-milk-after-preparative-processes
#3
Pasinee Kanaprach, Nutkridta Pongsakul, Nopporn Apiwattanakul, Chatchai Muanprasat, Sarayut Supapannachart, Pracha Nuntnarumit, Somchai Chutipongtanate
BACKGROUND: Donor human milk is considered the next best nutrition following mother's own milk to prevent neonatal infection and necrotizing enterocolitis in preterm infants who are admitted at neonatal intensive care unit. However, donor milk biofunctionalities after preparative processes have rarely been documented. OBJECTIVE: To evaluate biofunctionalities preserved in donor milk after preparative processes by cell-based assays. MATERIALS AND METHODS: Ten pools of donor milk were produced from 40 independent specimens...
February 16, 2018: Breastfeeding Medicine: the Official Journal of the Academy of Breastfeeding Medicine
https://www.readbyqxmd.com/read/29451683/prenatal-diagnosis-of-anomalous-origin-of-pulmonary-artery
#4
Xuelei Li, Zhongping Mu, Xu Li, Zongjie Weng
BACKGROUND: Anomalous origin of the pulmonary arteries is a rare congenital pulmonary vascular malformation, that includes unilateral absence of the pulmonary artery (UAPA), anomalous origin of unilateral pulmonary artery (AOPA) and left pulmonary artery sling (LPAS). METHODS: We analyze 15 cases of fetal pulmonary artery abnormalities from 2011 to 2017, detected via prenatal ultrasound at our center. RESULTS: The 15 cases include UAPA (five), AOPA (six), and LPAS (four)...
February 16, 2018: Prenatal Diagnosis
https://www.readbyqxmd.com/read/29451309/antibodies-to-human-neutrophil-antigen-hna-3b-implicated-in-cases-of-neonatal-alloimmune-neutropenia
#5
Larissa Barbosa Lopes, Samira Ali Abbas, Elyse Moritz, Juliana Oliveira Martins, Akemi Kuroda Chiba, Dante Mário Langhi, José O Bordin
BACKGROUND: Neonatal alloimmune neutropenia results from maternal alloimmunization to human neutrophil antigens. The alloantibodies involved in neonatal alloimmune neutropenia are against human neutrophil antigens HNA-1a, HNA-1b, HNA-1c, HNA-1d, HNA-2, HNA-3a, HNA-4a, HNA-4b, and HNA-5a; however, to date, antibodies specific to HNA-3b have not been reported. STUDY DESIGN AND METHODS: Blood samples from 10,000 unselected neonates were analyzed, resulting in the selection of 88 neutropenic newborns (neutrophil count <1...
February 16, 2018: Transfusion
https://www.readbyqxmd.com/read/29451202/stem-cells-for-spinal-cord-injuries-bearing-translational-potential
#6
REVIEW
Kyriakos Dalamagkas, Magdalini Tsintou, Alexander M Seifalian
Spinal cord injury (SCI) is a highly debilitating neurological disease, which still lacks effective treatment strategies, causing significant financial burden and distress to the affected families. Nevertheless, nanotechnology and regenerative medicine strategies holding promise for the development of novel therapies that would reach from bench to bedside to serve the SCI patients. There has already been significant progress in the field of cell-based therapies, with the clinical application for SCI, currently in phase II of the clinical trial...
January 2018: Neural Regeneration Research
https://www.readbyqxmd.com/read/29450837/associations-between-the-2nd-to-4th-digit-ratio-and-autism-spectrum-disorder-in-population-based-samples-of-boys-and-girls-findings-from-the-study-to-explore-early-development
#7
Laura A Schieve, Lin Tian, Nicole Dowling, Lisa Croen, Julie Hoover-Fong, Aimee Alexander, Stuart K Shapira
The ratio of the index (2nd) finger to ring (4th) finger lengths (2D:4D) is a proxy for fetal testosterone and estradiol. Studies suggesting 2D:4D is inversely associated with autism spectrum disorder (ASD) in males were limited by lack of confounder and subgroup assessments. Studies of females are sparse. We examined associations between ASD and 2D:4D among children in the Study to Explore Early Development; we considered case subgroups and numerous potential demographic and maternal-perinatal health confounders...
February 15, 2018: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/29450771/fetal-exposure-markers-of-dioxins-and-dioxin-like-pcbs
#8
Erik Lampa, Akifumi Eguchi, Emiko Todaka, Chisato Mori
Fetal exposure to polychlorinated biphenyls (PCBs), polychlorinated-p-dibenzodioxins (PCDDs), and polychlorinated dibenzofurans (PCDFs) have been associated with a number of adverse health outcomes. Although the placenta acts as a barrier between the mother and the fetus, these contaminants transfer through the placenta exposing the fetus. Several studies have investigated placental transfer, but few have assessed the co-variation among these contaminants. Maternal blood, cord blood, and cord tissue were collected from 41 Japanese mother-infant pairs and analyzed for dioxin-like PCBs and PCDD/Fs...
February 15, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29450745/clinical-management-of-women-with-monogenic-diabetes-during-pregnancy
#9
REVIEW
Laura T Dickens, Rochelle N Naylor
PURPOSE OF REVIEW: Monogenic diabetes accounts for 1-2% of all diabetes cases, but is frequently misdiagnosed as type 1, type 2, or gestational diabetes. Accurate genetic diagnosis directs management, such as no pharmacologic treatment for GCK-MODY, low-dose sulfonylureas for HNF1A-MODY and HNF4A-MODY, and high-dose sulfonylureas for K ATP channel-related diabetes. While diabetes treatment is defined for the most common causes of monogenic diabetes, pregnancy poses a challenge to management...
February 15, 2018: Current Diabetes Reports
https://www.readbyqxmd.com/read/29450694/characteristics-of-women-with-mixed-mass-formation-after-evacuation-following-uterine-artery-chemoembolization-for-cesarean-scar-pregnancy
#10
Qiu-Lei Sun, Xiao-Hua Wu, Li Luo, De-Mei Ying, Ying Yang, Zheng-Qiong Chen
PURPOSE: To explore the efficacy of treatment for early cesarean scar pregnancy (CSP) and to evaluate the characteristics of women with subsequent mixed mass formation. METHODS: Women with CSP, who received UACE followed by evacuation, were retrospectively analyzed. Clinical/sonographic characteristics in patients with or without mixed mass formation were compared. RESULTS: From a total of 395 cases, 105 cases had a pregnancy residual with mixed mass formation...
February 15, 2018: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/29450693/the-effect-of-assisted-reproductive-technology-on-the-incidence-of-birth-defects-among-livebirths
#11
Gil Shechter-Maor, Nicholas Czuzoj-Shulman, Andrea R Spence, Haim Arie Abenhaim
PURPOSE: Our study objective is to examine the association between births conceived with assisted reproductive technology (ART) and birth defects using a large database from the United States. METHODS: Using the Centers for Disease Control and Prevention's Period-linked birth-infant death data files and fetal death database for 2011-2013, we conducted a retrospective cohort study comprised of live births that occurred in the USA during that time. Multivariate logistic regression was used to estimate the association between ART and birth defects, both overall and by specific defects...
February 15, 2018: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/29450662/preconception-counseling-for-adolescents-and-young-adults-with-diabetes-a-literature-review-of-the-past-10-years
#12
REVIEW
Frances Peterson-Burch, Hiba Abujaradeh, Nicole Charache, Andrea Fischl, Denise Charron-Prochownik
PURPOSE OF REVIEW: Women with diabetes who have unplanned pregnancies and uncontrolled blood sugars are at a higher risk for maternal and fetal morbidities and mortalities. Preconception counseling (PC) has been shown to decrease the risks and improve health outcomes. From 2009 to 2017, the American Diabetes Association has recommended that preconception counseling be given at each clinic visit for all women with diabetes of childbearing age starting at puberty (prior to sexual debut)...
February 15, 2018: Current Diabetes Reports
https://www.readbyqxmd.com/read/29450198/parvovirus-b19-what-is-the-relevance-in-transfusion-medicine
#13
REVIEW
David Juhl, Holger Hennig
Parvovirus B19 (B19V) has been discovered in 1975. The association with a disease was unclear in the first time after the discovery of B19V, but meanwhile, the usually droplet transmitted B19V is known as the infectious agent of the "fifth disease," a rather harmless children's illness. But B19V infects erythrocyte progenitor cells and thus, acute B19V infection in patients with a high erythrocyte turnover may lead to a life-threatening aplastic crisis, and acutely infected pregnant women can transmit B19V to their unborn child, resulting in a hydrops fetalis and fetal death...
2018: Frontiers in Medicine
https://www.readbyqxmd.com/read/29449665/prediction-of-vaginal-birth-after-cesarean-delivery-in-chinese-parturients
#14
Juan Wen, Xuejing Song, Hongjuan Ding, Xiaofeng Shen, Rong Shen, Ling-Qun Hu, Wei Long
There is an urgent need in China to better predict vaginal birth after cesarean (VBAC) to face the challenge of the second child policy. We aimed to validate a widely used VBAC prediction model (Grobman's model) and a modified version of this model in a Chinese population. In this retrospective cohort study, 444 women with one cesarean delivery and at least one subsequent attempt for a trial of labor in Nanjing, China were included. The considered potential VBAC predictors included Grobman's background variables and five new variables...
February 15, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29449625/toll-like-receptor-4-modulation-influences-human-neural-stem-cell-proliferation-and-differentiation
#15
Chiara Grasselli, Daniela Ferrari, Cristina Zalfa, Matias Soncini, Gianluigi Mazzoccoli, Fabio A Facchini, Laura Marongiu, Francesca Granucci, Massimiliano Copetti, Angelo Luigi Vescovi, Francesco Peri, Lidia De Filippis
Toll-like receptor 4 (TLR4) activation is pivotal to innate immunity and has been shown to regulate proliferation and differentiation of human neural stem cells (hNSCs) in vivo. Here we study the role of TLR4 in regulating hNSC derived from the human telencephalic-diencephalic area of the fetal brain and cultured in vitro as neurospheres in compliance with Good Manifacture Procedures (GMP) guidelines. Similar batches have been used in recent clinical trials in ALS patients. We found that TLR2 and 4 are expressed in hNSCs as well as CD14 and MD-2 co-receptors, and TLR4 expression is downregulated upon differentiation...
February 15, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29448602/preparation-of-silica-coated-magnetic-nanoparticles-for-bioseparation
#16
Dae-Won Lee, Hira Fatima, Kyo-Seon Kim
Magnetic nanoparticles have been intensively developed and applied in several biomedical applications such as targeted delivery, drug therapy, hyperthermia, magnetic resonance imaging and bioseparation etc. This work describes a simple and convenient method to synthesize silica coated Fe3O4 nanoparticles which have the potential to be used in the bioseparation of fetuin from fetal bovine serum and albumin from the egg. In this work, uniform Fe3O4 particles were prepared through the one-pot solvothermal process at 200 °C for 12 h using a sole iron precursor (FeCl3 · 6H2O) and then were coated with SiO2 to prepare silica coated Fe3O4 nanoparticles by hydrolysis and condensation of tetraethyl orthosilicate in ethanol and H2O medium...
February 1, 2018: Journal of Nanoscience and Nanotechnology
https://www.readbyqxmd.com/read/29448564/biocompatibility-evaluation-of-feldspathic-porcelain-with-nano-sized-silver-ion-particles
#17
Ji-Hyun Kim, Sang-Won Park, Hyun-Pil Lim, Chan Park, Kwi-Dug Yun
The major failure of dental restorations is caused by dental caries by S. mutans. This study evaluated the effect of nanosized silver ions in feldspathic porcelain on cytotoxicity and antimicrobial activity. The control group was feldspathic porcelain (Noritake EX-3, Kuraray Noritake Dental Inc., Japan) that did not contain Ag (silver). The experimental groups were feldspathic porcelain mixed with colloidal solutions of nanosized silver ions in mixtures of 5% 10%, 20%, 30%. Cell activity assays evaluated with osteoblast hFOB 1...
February 1, 2018: Journal of Nanoscience and Nanotechnology
https://www.readbyqxmd.com/read/29448217/a-simple-approach-for-fabrication-of-optical-affinity-based-bioanalytical-microsystem-on-polymeric-pen-foils
#18
Alena Semerádtová, Marcel Štofik, Oldřich Neděla, Ondřej Staněk, Petr Slepička, Zdeňka Kolská, Jan Malý
Herein, we report a novel concept of low-cost flexible platform for fluorescence-based biosensor. The surface of polyethylene naphthalate (PEN) foil was exposed to KrF excimer laser through a photolitographic contact mask. Laser initiated surface modification resulted in micro-patterned areas with surface functional groups available for localized covalent immobilization of biotin. High affinity binding protein (albumin-binding domain (ABD) of protein G, Streptococcus G148) recognizing human serum albumin (HSA), genetically fused with streptavidin (SA-ABDwt), was immobilized on the micro-patterned surface through biotin-streptavidin coupling...
February 2, 2018: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/29448128/hubs-in-the-human-fetal-brain-network
#19
Marion I van den Heuvel, Elise Turk, Janessa H Manning, Jasmine Hect, Edgar Hernandez-Andrade, Sonia S Hassan, Roberto Romero, Martijn P van den Heuvel, Moriah E Thomason
Advances in neuroimaging and network analyses have lead to discovery of highly connected regions, or hubs, in the connectional architecture of the human brain. Whether these hubs emerge in utero, has yet to be examined. The current study addresses this question and aims to determine the location of neural hubs in human fetuses. Fetal resting-state fMRI data (N = 105) was used to construct connectivity matrices for 197 discrete brain regions. We discovered that within the connectional functional organization of the human fetal brain key hubs are emerging...
February 6, 2018: Developmental Cognitive Neuroscience
https://www.readbyqxmd.com/read/29448029/microrna-874-inhibits-tnf-%C3%AE-induced-remodeling-in-human-fetal-airway-smooth-muscle-cells-by-targeting-stat3
#20
Meihua Sun, Yuanyuan Huang, Feng Li, Haibo Li, Bo Zhang, Lianhua Jin
Pro-inflammatory cytokines-induced airway remodeling was a significant feature of asthma disease. The aim of the present study was to explore the functional significance of miR-874 in tumor necrosis factor (TNF)-α-treated human fetal airway smooth muscle (fASM) cells. Here, we found that TNF-α treatment significantly down-regulated the expression of miR-874 in fASM cells. MiR-874 overexpression markedly inhibited cell viability and migration, suppressed the expression of PCNA and Ki67, reduced the expression of collagen I and collagen III, decreased the expression and activity of matrix metalloproteinase (MMP)-9 and MMP-2, and induced an obvious elevation of tissue inhibitors of metalloproteinases (TIMPs)...
February 12, 2018: Respiratory Physiology & Neurobiology
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