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https://www.readbyqxmd.com/read/29793097/quantitative-assessment-of-placental-perfusion-by-three-dimensional-power-doppler-ultrasound-for-twins-with-selective-intrauterine-growth-restriction-in-one-twin
#1
Wei Sun, Jingyi Liu, Ying Zhang, Ailu Cai, Zeyu Yang, Yili Zhao, Yu Wang, Zhe Cao, Qiuju Wei
OBJECTIVE: We quantitatively assessed placental perfusion using three-dimensional (3D) power Doppler ultrasound for twins with selective intrauterine growth restriction (sIUGR) in one twin. STUDY DESIGN: A prospective cross-sectional study was performed for 104 normal monochorionic diamniotic twins and 30 twins with sIUGR. Twins with sIUGR were divided into two groups: in group I (19 twins), both fetuses had continuous forward end-diastolic blood flow in the umbilical artery; in group II (11 twins), the smaller fetus had a loss or a reverse end-diastolic blood flow in the umbilical artery, but the larger fetus had continuous forward end-diastolic blood flow...
May 17, 2018: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/29791872/gene-expression-in-cord-blood-links-genetic-risk-for-neurodevelopmental-disorders-with-maternal-psychological-distress-and-adverse-childhood-outcomes
#2
Michael S Breen, Aliza P Wingo, Nastassja Koen, Kirsten A Donald, Mark Nicol, Heather J Zar, Kerry J Ressler, Joseph D Buxbaum, Dan J Stein
Prenatal exposure to maternal stress and depression has been identified as a risk factor for adverse behavioral and neurodevelopmental outcomes in early childhood. However, the molecular mechanisms through which maternal psychopathology shapes offspring development remain poorly understood. We applied transcriptome-wide screens to 149 umbilical cord blood samples from neonates born to mothers with posttraumatic stress disorder (PTSD; n=20), depression (n=31) and PTSD with comorbid depression (n=13), compared to carefully matched trauma exposed controls (n=23) and healthy mothers (n=62)...
May 20, 2018: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/29789652/small-hypoxia-primed-mesenchymal-stem-cells-attenuate-graft-versus-host-disease
#3
YongHwan Kim, Hye Jin Jin, Jinbeom Heo, Hyein Ju, Hye-Yeon Lee, Sujin Kim, Seungun Lee, Jisun Lim, Sang Young Jeong, JiHye Kwon, Miyeon Kim, Soo Jin Choi, Wonil Oh, Yoon Sun Yang, Hyun Ho Hwang, Hwan Yeul Yu, Chae-Min Ryu, Hong Bae Jeon, Dong-Myung Shin
Mesenchymal stem cells (MSCs) are of particular interest for the treatment of immune-related diseases due to their immunosuppressive capacity. Here, we show that Small MSCs primed with Hypoxia and Calcium ions (SHC-MSCs) exhibit enhanced stemness and immunomodulatory functions for treating allogeneic conflicts. Compared with naïve cultured human umbilical cord blood-derived MSCs, SHC-MSCs were resistant to passage-dependent senescence mediated via the monocyte chemoattractant protein-1 and p53/p21 cascade and secreted large amounts of pro-angiogenic and immunomodulatory factors, resulting in suppression of T-cell proliferation...
May 22, 2018: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/29789615/il-37-isoform-d-downregulates-pro-inflammatory-cytokines-expression-in-a-smad3-dependent-manner
#4
Mingsheng Zhao, Yulan Li, Chun Guo, Liyang Wang, Hongxia Chu, Faliang Zhu, Yan Li, Xiaoyan Wang, Qun Wang, Wei Zhao, Yongyu Shi, WanJun Chen, Lining Zhang
IL-37 is a new member of IL-1 family and possesses five different isoforms (named as IL-37 a-e). IL-37b has been demonstrated as a physiological suppressor of immune responses. However, the function of other isoforms remains unknown. Here, we show that IL-37d possesses anti-inflammatory roles both in vitro and in vivo. Firstly, IL-37d is expressed in peripheral blood mononuclear cells (PBMCs) and umbilical cords-derived mesenchymal stem cells (UCMSCs). Secondly, IL-37d overexpression markedly inhibits IL-1β-induced IL-6 production in A549 cells...
May 22, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29788474/umbilical-cord-blood-transplantation-corrects-very-early-onset-inflammatory-bowel-disease-in-chinese-patients-with-il10ra-associated-immune-deficiency
#5
Kaiyue Peng, Xiaowen Qian, Zhiheng Huang, Junping Lu, Yuhuan Wang, Ying Zhou, Huijun Wang, Bingbing Wu, Ying Wang, Lingli Chen, Xiaowen Zhai, Ying Huang
Background: Hematopoietic stem cell transplantation is considered the only curative therapy for very early-onset inflammatory bowel disease with specific immune defects, such as interleukin-10 receptor deficiency. We performed reduced-intensity conditioning before umbilical cord blood transplantation in patients with interleukin-10 receptor-A deficiency. Methods: We enrolled 9 very early-onset inflammatory bowel disease patients with typical manifestations. We diagnosed the patients with interleukin-10 receptor-A deficiency by whole-exome sequencing...
May 18, 2018: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/29786834/assessment-of-lactate-production-as-a-response-to-sustained-intrapartum-hypoxia-in-large-for-gestational-age-newborns
#6
Mehreen Zaigham, Karin Källén, Per Olofsson
INTRODUCTION: Lactate concentration in umbilical cord blood is an important measure of intrapartum anaerobic metabolism. The aim of the study was to compare lactate production of large-for-gestational-age (LGA) fetuses against appropriate-for-gestational-age (AGA) fetuses during hypoxia, in diabetic and non-diabetic mothers. MATERIAL AND METHODS: 17 358 validated paired arterial and venous umbilical cord blood samples taken at birth with a full panel of pH, glucose and lactate were analyzed relative to LGA (n=2789) and AGA (n=14 569)...
May 22, 2018: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/29777574/factors-influencing-the-umbilical-cord-blood-stem-cell-industry-an-evolving-treatment-landscape
#7
REVIEW
Carla Dessels, Marco Alessandrini, Michael Sean Pepper
Hematopoietic stem cell transplantation (HSCT) is common practice today for life threatening malignant and non-malignant diseases of the blood and immune systems. Umbilical cord blood (UCB) is rich in hematopoietic stem cells (HSCs) and is an attractive alternative to harvesting HSCs from bone marrow or when mobilized into peripheral blood. One of the most appealing attributes of UCB is that it can be banked for future use and hence provides an off-the-shelf solution for patients in urgent need of a transplantation...
May 18, 2018: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/29776835/the-combination-of-mannitol-and-temozolomide-increases-the-effectiveness-of-stem-cell-treatment-in-a-chronic-stroke-model
#8
Chunggab Choi, Hye Min Kim, Jeeheun Shon, Jiae Park, Hyeong-Taek Kim, Suk Ho Kang, Seung-Hun Oh, Nam Keun Kim, Ok Joon Kim
BACKGROUND: The blood-brain barrier (BBB) presents a significant challenge to the therapeutic efficacy of stem cells in chronic stroke. Various methods have been developed to increase BBB permeability, but these are associated with adverse effects and are, therefore, not clinically applicable. We recently identified that combination drug treatment of mannitol and temozolomide improved BBB permeability in vitro. Here, we investigated whether this combination could increase the effectiveness of stem cell treatment in an animal model of chronic ischemic stroke...
May 15, 2018: Cytotherapy
https://www.readbyqxmd.com/read/29766665/identification-of-the-novel-hla-drb1-allele-drb1-14-183-in-a-colombian-umbilical-cord-blood-bank-donor
#9
L-X González-Acero, B Camacho, A M Perdomo-Arciniegas
HLA-DRB1*14:183 has two nucleotide changes from HLA-DRB1-13:44, D to E and F to Y. This article is protected by copyright. All rights reserved.
May 15, 2018: HLA
https://www.readbyqxmd.com/read/29765429/the-potentials-and-caveats-of-mesenchymal-stromal-cell-based-therapies-in-the-preterm-infant
#10
REVIEW
Judith Gronbach, Tayyab Shahzad, Sarah Radajewski, Cho-Ming Chao, Saverio Bellusci, Rory E Morty, Tobias Reicherzer, Harald Ehrhardt
Preponderance of proinflammatory signals is a characteristic feature of all acute and resulting long-term morbidities of the preterm infant. The proinflammatory actions are best characterized for bronchopulmonary dysplasia (BPD) which is the chronic lung disease of the preterm infant with lifelong restrictions of pulmonary function and severe consequences for psychomotor development and quality of life. Besides BPD, the immature brain, eye, and gut are also exposed to inflammatory injuries provoked by infection, mechanical ventilation, and oxygen toxicity...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29764770/haploidentical-stem-cell-transplantation-bone-marrow-vs-peripheral-blood
#11
REVIEW
Zafer Gulbas
Hematopoietic stem cells may be obtained by collection of bone marrow, mobilization and collection of peripheral blood stem cells or umbilical cord blood. Transplantation of peripheral blood hematopoietic cells has increased due to faster engraftment and practicability in both the related, unrelated or haploidentical setting. We reviewed the question of which stem cell source - bone marrow (BM) or peripheral blood (PBSC) - is the most suitable for individuals undergoing haploidentical stem cell transplantation...
April 19, 2018: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/29761851/endocytosed-factor-v-is-trafficked-to-cd42b-proplatelet-extensions-during-differentiation-of-human-umbilical-cord-blood-derived-megakaryocytes
#12
Jacqueline M Gertz, Kelley C McLean, Beth A Bouchard
Plasma- and platelet-derived factor Va are essential for thrombin generation catalyzed by the prothrombinase complex; however, several observations demonstrate that the platelet-derived cofactor, which is formed following megakaryocyte endocytosis and modification of the plasma procofactor, factor V, is more hemostatically relevant. Factor V endocytosis, as a function of megakaryocyte differentiation and proplatelet formation, was assessed by flow cytometry and microscopy in CD34+ hematopoietic progenitor cells isolated from human umbilical cord blood and cultured for 12 days in the presence of cytokines to induce ex vivo differentiation into megakaryocytes...
May 15, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29760931/blood-factory-which-stem-cells
#13
Maria Teresa Esposito
Blood transfusions are often essential for treatment of severe anaemia and pregnancy complications. The unavailability of blood is a medical concern, especially in developing countries. New sources of red blood cells (RBC) are under investigation. Several studies have attempted to produce functional RBC from CD34+ haematopoietic stem cells (HSC) isolated from peripheral blood and umbilical cord blood, from embryonic stem cells (ESC) and induced pluripotent stem cells (iPSC). A recent article published in Nature Communications describes a novel model for generating RBC from a stable erythroid cell line obtained from bone marrow CD34+ haematopoietic stem cells (HSC)...
2018: BMC Hematology
https://www.readbyqxmd.com/read/29760736/comparison-of-immunological-characteristics-of-mesenchymal-stem-cells-from-the-periodontal-ligament-umbilical-cord-and-adipose-tissue
#14
Jin-Hee Kim, Chris H Jo, Hang-Rae Kim, Young-Il Hwang
Mesenchymal stem cells (MSCs) are of therapeutic importance in the fields of regenerative medicine and immunological diseases. Accordingly, studies evaluating MSCs for clinical applications are increasing. In this study, we characterized MSCs from the periodontal ligament, umbilical cord (UC-MSCs), and adipose tissue, which were relatively easy to obtain with limited ethical concerns regarding their acquisition, and compared their immunological characteristics. Among MSCs isolated from the three different tissues, UC-MSCs grew the fastest in vitro ...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29760729/ceramic-hollow-fibre-constructs-for-continuous-perfusion-and-cell-harvest-from-3d-hematopoietic-organoids
#15
Mark C Allenby, Asma Tahlawi, José C F Morais, Kang Li, Nicki Panoskaltsis, Athanasios Mantalaris
Tissue vasculature efficiently distributes nutrients, removes metabolites, and possesses selective cellular permeability for tissue growth and function. Engineered tissue models have been limited by small volumes, low cell densities, and invasive cell extraction due to ineffective nutrient diffusion and cell-biomaterial attachment. Herein, we describe the fabrication and testing of ceramic hollow fibre membranes (HFs) able to separate red blood cells (RBCs) and mononuclear cells (MNCs) and be incorporated into 3D tissue models to improve nutrient and metabolite exchange...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29760727/expanded-cd133-cells-from-human-umbilical-cord-blood-improved-heart-function-in-rats-after-severe-myocardial-infarction
#16
Alejandro Correa, Gabriel Salles Ottoboni, Alexandra Cristina Senegaglia, Luiz Guilherme Achcar Capriglione, Nelson Itiro Miyague, Lidiane Maria Boldrini Leite, Valderez Ravaglio Jamur, Carmen Lúcia Kuniyoshi Rebelatto, Márcia Olandoski, Paulo Roberto Slud Brofman
Pharmacological approaches are partially effective in limiting infarct size. Cell therapies using a cell population enriched with endothelial progenitor cells (EPCs) CD133+ have opened new perspectives for the treatment of ischemic areas after infarction. This preclinical study evaluated the effect of intramyocardial transplantation of purified or expanded human umbilical cord blood-derived CD133+ cells on the recovery of rats following acute myocardial infarction (AMI). Histology studies, electrocardiogram, and fluorescence in situ hybridization (FISH) were used to evaluate heart recovery...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29760694/dissemination-of-orientia-tsutsugamushi-a-causative-agent-of-scrub-typhus-and-immunological-responses-in-the-humanized-draga-mouse
#17
Le Jiang, Erin K Morris, Rodrigo Aguilera-Olvera, Zhiwen Zhang, Teik-Chye Chan, Soumya Shashikumar, Chien-Chung Chao, Sofia A Casares, Wei-Mei Ching
Scrub typhus is caused by Orientia tsutsugamushi , an obligated intracellular bacterium that affects over one million people per year. Several mouse models have been used to study its pathogenesis, disease immunology, and for testing vaccine candidates. However, due to the intrinsic differences between the immune systems in mouse and human, these mouse models could not faithfully mimic the pathology and immunological responses developed by human patients, limiting their value in both basic and translational studies...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29755962/acceptability-of-bedside-resuscitation-with-intact-umbilical-cord-to-clinicians-and-patients-families-in-the-united-states
#18
Anup C Katheria, Samuel R Sorkhi, Kasim Hassen, Arij Faksh, Zahra Ghorishi, Debra Poeltler
Background: While delayed umbilical cord clamping in preterm infants has shown to improve long-term neurological outcomes, infants who are thought to need resuscitation do not receive delayed cord clamping even though they may benefit the most. A mobile resuscitation platform allows infants to be resuscitated at the mother's bedside with the cord intact. The newborn is supplied with placental blood during the resuscitation in view of the mother. The objective of the study is to assess the usability and acceptability of mobile resuscitation platform, LifeStart trolley, among the infants' parents and perinatal providers...
2018: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/29755107/kai1-cd82-genetically-engineered-endothelial-progenitor-cells-inhibit-metastasis-of-human-nasopharyngeal-carcinoma-in-a-mouse-model
#19
Gengming Wang, Lei Zhang, Yan Zhou, Qian Sun, Hongbo Xu, Feng Cai, Ping Xiang, Zhendong Chen, Hao Jiang
BACKGROUND Endothelial progenitor cells (EPCs) are regarded as promising targeted vectors for delivering therapeutic genes or agents in cancer therapy. The purpose of this study was to investigate the role of intravenously administered KAI1/CD82 genetically transduced EPCs in the tumorigenesis and metastasis of nasopharyngeal carcinoma (NPC). MATERIAL AND METHODS EPCs were isolated from human umbilical cord blood, expanded in culture, and stably transduced with lentiviral vectors expressing KAI1/CD82. The KAI1/CD82 EPCs were injected intravenously into nude mice bearing human NPC xenografts...
May 14, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29753836/a-modified-intensive-strategy-to-prevent-cmv-disease-in-seropositive-umbilical-cord-blood-transplant-recipients
#20
Joshua A Hill, Steven A Pergam, Emily Cox, Hu Xie, Wendy M Leisenring, Michael Boeckh, Colleen Delaney, Filippo Milano
We previously demonstrated a lower rate of CMV reactivation and disease among seropositive umbilical cord blood transplant (CBT) recipients receiving an intensive prophylaxis strategy consisting of ganciclovir on days -8 to -2 pre-transplant, high-dose valacyclovir post-transplant, and twice-weekly serum CMV PCR testing. We hypothesized that a modified intensive strategy excluding pre-transplant ganciclovir would be similarly effective. We compared the risk of CMV reactivation, occurrence of CMV disease, and duration of anti-CMV therapy by day 100 post-CBT in patients receiving the modified intensive and intensive strategies...
May 10, 2018: Biology of Blood and Marrow Transplantation
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