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https://www.readbyqxmd.com/read/28241487/poor-vitamin-c-status-late-in-pregnancy-is-associated-with-increased-risk-of-complications-in-type-1-diabetic-women-a-cross-sectional-study
#1
Bente Juhl, Finn Friis Lauszus, Jens Lykkesfeldt
Vitamin C (vitC) is essential for normal pregnancy and fetal development and poor vitC status has been related to complications of pregnancy. We have previously shown lower vitC status in diabetic women throughout pregnancy compared to that of non-diabetic controls. Here, we evaluate the relationship between vitC status late in diabetic pregnancy in relation to fetal outcome, complications of pregnancy, diabetic characteristics, and glycemic control based on data of 47 women from the same cohort. We found a significant relationship between the maternal vitC level > or ≤ the 50% percentile of 26...
February 23, 2017: Nutrients
https://www.readbyqxmd.com/read/28239788/expression-of-surface-molecules-in-human-mesenchymal-stromal-cells-co-cultured-with-nucleated-umbilical-cord-blood-cells
#2
Yu A Romanov, E E Balashova, N E Volgina, N V Kabaeva, T N Dugina, G T Sukhikh
We studied the expression of different classes of surface molecules (CD13, CD29, CD40, CD44, CD54, CD71, CD73, CD80, CD86, CD90, CD105, CD106, CD146, HLA-I, and HLA-DR) in mesenchymal stromal cells from human umbilical cord and bone marrow during co-culturing with nucleated umbilical cord blood cells. Expression of the majority of surface markers in both types of mesenchymal stromal cells was stable and did not depend on the presence of the blood cells. Significant differences were found only for cell adhesion molecules CD54 (ICAM-1) and CD106 (VCAM-1) responsible for direct cell-cell contacts with leukocytes and only for bone marrow derived cells...
February 27, 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28238202/brain-abnormalities-in-fucosidosis-transplantation-or-supportive-therapy
#3
Minyan Jiang, Sha Liu, Hua Jiang, Yunting Lin, Yongxian Shao, Hao Hu, Xiaoyuan Zhao, Hongsheng Liu, Yonglan Huang, Li Liu
Fucosidosis is a rare lysosomal storage disease caused by α-fucosidase deficiency, which leads to progressive neurological deterioration and death. Hematopoietic stem cell transplantation is the best curative therapy if performed during the early stages of disease. We report two fucosidosis patients with brain abnormalities and the challenge faced in their management. The first patient received supportive therapy and the second one firstly underwent unrelated donor umbilical cord blood transplantation. After a period of follow-up, we found neurological symptoms were worsening day by day on patient1...
February 25, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28235526/cardiac-output-changes-with-phenylephrine-and-ephedrine-infusions-during-spinal-anesthesia-for-cesarean-section-a-randomized-double-blind-trial
#4
W Mon, A Stewart, R Fernando, K Ashpole, N El-Wahab, S MacDonald, P Tamilselvan, M Columb, Y M Liu
Hypotension is a common side effect of spinal anesthesia. Phenylephrine and ephedrine are the two most frequently used vasopressors to treat spinal hypotension during cesarean delivery. In this randomized double-blind study, we aimed to evaluate cardiac output (CO) changes with phenylephrine or ephedrine infusions titrated to maintain baseline systolic blood pressure (bSBP) during spinal anesthesia. Women (n = 40) scheduled for elective cesarean delivery received either phenylephrine 100 μg/min or ephedrine 5 mg/min infusions...
February 2017: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/28231686/evaluation-of-the-amoxicillin-concentrations-in-amniotic-fluid-placenta-umbilical-cord-blood-and-maternal-serum-two-hours-after-intravenous-administration
#5
(no author information available yet)
OBJECTIVES: The aims of this study were to evaluate amoxicillin concentrations in amniotic fluid, placenta, umbilical cord blood and maternal blood two hours after intravenous administration to assess obstetric and non-obstetric factors that could have influences on the penetration of the antibiotic into the examined tissues and to analyze the sensitivity to amoxicillin of the most common pathogens isolated from the genital tract. METHODS: A total of 35 full-term pregnant women who qualified for elective Caesarean delivery were included in the study...
October 24, 2016: Neuro Endocrinology Letters
https://www.readbyqxmd.com/read/28220124/in-vivo-efficacy-of-umbilical-cord-blood-stem-cell-derived-nk-cells-in-the-treatment-of-metastatic-colorectal-cancer
#6
John P Veluchamy, Silvia Lopez-Lastra, Jan Spanholtz, Fenna Bohme, Nina Kok, Daniëlle A M Heideman, Henk M W Verheul, James P Di Santo, Tanja D de Gruijl, Hans J van der Vliet
Therapeutic monoclonal antibodies against the epidermal growth factor receptor (EGFR) act by inhibiting EGFR downstream signaling and by eliciting a natural killer (NK) cell-mediated antitumor response. The IgG1 mAb cetuximab has been used for treatment of RAS(wt) metastatic colorectal cancer (mCRC) patients, showing limited efficacy. In the present study, we address the potential of adoptive NK cell therapy to overcome these limitations investigating two allogeneic NK cell products, i.e., allogeneic activated peripheral blood NK cells (A-PBNK) and umbilical cord blood stem cell-derived NK cells (UCB-NK)...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28218044/leukemia-microvesicles-affect-healthy-hematopoietic-stem-cells
#7
Farnaz Razmkhah, Masoud Soleimani, Davood Mehrabani, Mohammad Hossein Karimi, Sedigheh Amini Kafi-Abad, Mani Ramzi, Mahdiyar Iravani Saadi, Javad Kakoui
Microvesicles are released by different cell types and shuttle mRNAs and microRNAs which have the possibility to transfer genetic information to a target cell and alter its function. Acute myeloid leukemia is a malignant disorder, and leukemic cells occupy all the bone marrow microenvironment. In this study, we investigate the effect of leukemia microvesicles on healthy umbilical cord blood hematopoietic stem cells to find evidence of cell information transferring. Leukemia microvesicles were isolated from acute myeloid leukemia patients and were co-incubated with healthy hematopoietic stem cells...
February 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28217916/effects-of-allogeneic-mesenchymal-stem-cell-transplantation-in-the-treatment-of-liver-cirrhosis-caused-by-autoimmune-diseases
#8
Jun Liang, Huayong Zhang, Cheng Zhao, Dandan Wang, Xiaolei Ma, Shengnan Zhao, Shiying Wang, Lingying Niu, Lingyun Sun
AIM: There has been great interest in recent years to take advantage of mesenchymal stem cells (MSCs) to treat end-stage liver disease. This study is aimed to evaluate clinical therapeutic effects of allogeneic MSC transplantation in liver cirrhosis caused by autoimmune diseases. METHODS: The enrolled patients with liver cirrhosis were assigned to receive allogeneic MSC infusions through a peripheral vein. The primary objective of this study was to assess the safety and effectiveness of MSCT in patients with autoimmune diseases-induced cirrhosis...
February 20, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28215993/microrna-profiling-analysis-revealed-different-cellular-senescence-mechanisms-in-human-mesenchymal-stem-cells-derived-from-different-origin
#9
Xianhui Meng, Mengying Xue, Peng Xu, Feihu Hu, Bo Sun, Zhongdang Xiao
Mesenchymal stem cells (MSCs) from human umbilical cord (UC) and cord blood (CB) share many common properties and exhibit promising clinical potential. Cellular senescence, which induces the loss of stem cells characters and disrupts their therapeutic functions, has been demonstrated to be under the regulation of microRNAs (miRNAs). In this study, we compared the miRNA profiles in early and late passage UCMSCs and CBMSCs based on deep sequencing. 224 and 170 miRNAs were significantly altered in UCMSCs and CBMSCs respectively...
February 12, 2017: Genomics
https://www.readbyqxmd.com/read/28215880/adenovirus-vector-mediated-ex-vivo-gene-transfer-of-brain-derived-neurotrophic-factor-bdnf-tohuman-umbilical-cord-blood-derived-mesenchymal-stem-cells-ucb-mscs-promotescrush-injured-rat-sciatic-nerve-regeneration
#10
Wei-Hong Hei, Akram A Almansoori, Mi-Ae Sung, Kyung-Won Ju, Nari Seo, Sung-Ho Lee, Bong-Ju Kim, Soung-Min Kim, Jeong Won Jahng, Hong He, Jong-Ho Lee
This study was designed toinvestigate the efficacy of adenovirus vector-mediated brain-derived neurotrophic factor (BDNF) ex vivo gene transfer to human umbilical cord blood-derived mesenchymal stem cells (UCB-MSCs) in a rat sciatic nerve crush injury model. BDNF protein and mRNA expression after infection was checked through an enzyme-linked immunosorbent assay (ELISA) and quantitative real-time polymerase chain reaction (qRT-PCR). Male Sprague-Dawley rats (200-250g, 6 weeks old) were distributed into threegroups (n=20 each): the control group, UCB-MSC group, and BDNF-adenovirus infected UCB-MSC (BDNF-Ad+UCB-MSC) group...
February 13, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28214595/the-impact-of-delayed-infusion-time-in-umbilical-cord-blood-transplantation
#11
R Mitchell, J E Wagner, C Brunstein, Q Cao, D H McKenna, M R Verneris
In umbilical cord blood (UCB) transplantation, UCB units are typically thawed, washed and infused into the patient as rapidly as possible. In some instances, there is a delay in the time from the unit thaw/wash procedure to infusion into the patient. Therefore, we examined the effect of thaw duration time on engraftment outcomes in 567 patients undergoing UCB transplantation. With a range of 32 to 523 minutes, a prolonged thaw duration had no obvious effect on the incidence of neutrophil engraftment or time to recovery...
February 15, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28213069/a-pilot-study-of-cell-mediated-gene-therapy-for-spinal-cord-injury-in-mini-pigs
#12
Islamov Rustem Robertovich, Sokolov Mikhail Evgenyevich, Bashirov Farid Vagizovich, Fadeev Filip Olegovich, Shmarov Maxim Michaylovich, Naroditskiy Boris Savelyevich, Povysheva Tatyana Vyacheslavovna, Shaymardanova Gulnara Ferdinantovna, Yakupov Radik Albertovich, Chelyshev Yuri Aleksandrovich, Lavrov Igor Aleksandrovich
Currently, in clinical practice there is no efficient way to overcome the sequences of neurodegeneration after spinal cord traumatic injury. Using a new experimental model of spinal cord contusion injury on miniature pigs, we proposed to deliver therapeutic genes encoding vascular endothelial growth factor (VEGF), glial cell line-derived neurotrophic factor (GDNF) and neural cell adhesion molecule (NCAM) to the damaged area, using umbilical cord blood mononuclear cells (UCBC). In this study, genetically engineered UCBC (2×10(6) cells in 200 ml of saline) were injected intrathecally to mini-pigs 10days after SCI...
February 14, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28208845/role-of-altered-venous-blood-lactate-and-hba1c-in-women-with-gestational-diabetes-mellitus
#13
C S Nagalakshmi, N U Santhosh, N Krishnamurthy, Chethana Chethan, M K Shilpashree
INTRODUCTION: Being a mirror image of metabolic syndrome, Gestational Diabetes Mellitus (GDM) is associated with significant maternal and fetal morbidity. Increased blood lactate concentration and alterations of substrate utilization are partly involved in development of insulin resistance in GDM. Fetuses born to such mothers have shown low umbilical vein oxygen saturation and low oxygen content and increased lactate concentrations. These changes may certainly reflect enhanced fetal metabolism as a result of hyperglycaemia and hyperinsulinemia and therefore, these fetuses deserve intense surveillance at term and during delivery...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28207189/effects-of-human-mesenchymal-stem-cells-co-culture-on-calcium-induced-differentiation-of-normal-human-keratinocytes
#14
Shyam Kishor Sah, Hae Young Kim, Ji Hae Lee, Seong-Wook Lee, Hyung-Sik Kim, Yeon-Soo Kim, Kyung-Sun Kang, Tae-Yoon Kim
The influence of mesenchymal stem cells (MSCs) on keratinocytes in altered microenvironments is poorly understood. Here, we co-cultured umbilical cord blood-derived MSCs with normal human epidermal keratinocytes (NHEK) to evaluate their paracrine effect in the presence of high extracellular calcium (Ca(2+) ) concentration. High Ca(2+) environment to keratinocytes can disrupt normal skin barrier function due to abnormal/premature differentiation of keratinocytes. Surprisingly, we found that MSCs suppress both proliferation and differentiation of keratinocytes under a high Ca(2+) environment in TGFβ1-dependent manner...
February 16, 2017: Stem Cells
https://www.readbyqxmd.com/read/28205066/a-single-center-analysis-of-chronic-graft-versus-host-disease-free-relapse-free-survival-after-alternative-donor-stem-cell-transplantation-in-children-with-hematological-malignancies
#15
Jiro Inagaki, Reiji Fukano, Maiko Noguchi, Jun Okamura
We assessed the clinical outcomes of allogeneic hematopoietic stem cell transplantation (SCT) from alternative donors for pediatric patients with hematological malignancies, defining graft-versus-host disease (GVHD)-free, relapse-free survival (GRFS) as a composite endpoint. We also defined chronic GVHD-free, relapse-free survival (cGRFS) as survival without severe chronic GVHD, relapse, or death. The probabilities of 2-year disease-free survival from a human leukocyte antigen (HLA) matched unrelated donor (n = 57), related donor with HLA-1 antigen mismatch in the graft-versus-host direction (1Ag-GvH-MMRD, n = 28), and unrelated umbilical cord blood (n = 35) were 52...
February 15, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28202378/neonatology-oxidative-status-in-preterm-infants-with-premature-preterm-rupture-of-membranes-and-fetal-inflammatuar-response-syndrome
#16
Elif Özalkaya, Güner Karatekin, Sevilay Topçuoğlu, Hande Özgün Karatepe, Taner Hafızoğlu, Pervin Baran, Fahri Ovalı
BACKGROUND: The aim of this study, to determine an index of oxidative stress index in preterm infants less than 34 weeks gestational age with premature preterm rupture of membrane (PPROM) and fetal inflammatory response syndrome (FIRS). METHODS: This study was designed as a prospective study. Fifty-one premature infants less than 35 weeks of gestational age were included in the study. The umbilical cord blood concentrations of IL-6, TAC (total antioxidant capacity) and PON-1 (paraoxonase-1) levels and TOS (total oxidative stress) were studied...
January 17, 2017: Pediatrics and Neonatology
https://www.readbyqxmd.com/read/28199745/bacterial-n-formyl-peptides-reduce-pma-and-e-coli-induced-neutrophil-respiratory-burst-in-term-neonates-and-adults
#17
Maria E Stålhammar, Lena Douhan Håkansson, Richard Sindelar
Neutrophil migration and respiratory burst is the prerequisite for efficient first line defense against invading microorganisms. However, migration and respiratory burst can be compromised in adults and especially in newborn infants, where sustained neutrophil accumulation, uncontrolled burst and reduced scavenging of ROS might cause inadvertent tissue damage due to uncontrolled inflammation. The aim of this study was to investigate the modulatory effect of the chemoattractants formyl-methionyl-leucyl-phenylalanine (fMLP) and IL-8 on respiratory burst in neutrophils from term newborn infants and adults...
February 15, 2017: Scandinavian Journal of Immunology
https://www.readbyqxmd.com/read/28199730/fentanyl-suppresses-the-survival-of-cd4-t-cells-isolated-from-human-umbilical-cord-blood-through-inhibition-of-ikks-mediated-nf-%C3%AE%C2%BAb-activation
#18
Kun Ma, Pengyu Ma, Huaihai Lu, Shuxiang Liu, Qinying Cao
The aim of this study was to investigate the effects and the underlying mechanisms of fentanyl anesthetic on T lymphocytes isolated from human umbilical cord bloodin vitro. The percentages of CD4(+) , CD8(+) , and regulatory T (Treg) cells in human umbilical cord blood mononuclear cells (UBMC) treated with fentanyl in vitrowere analyzed by flow cytometry. The levels of cytokines IFN-γ, IL-2, IL-4, and IL-17 secreted by activated CD4(+) T cells were measured by ELISA assays. Expressions of MAPK and NF-κB signaling pathway proteins were determined by Western blotting...
February 15, 2017: Scandinavian Journal of Immunology
https://www.readbyqxmd.com/read/28198173/delphi-based-study-and-analysis-of-key-risk-factors-for-invasive-fungal-infection-in-haematological-patients
#19
L Vázquez, M Salavert, J Gayoso, M Lizasoaín, I Ruiz Camps, N Di Benedetto
OBJECTIVE: Mortality caused by invasive fungal infections due to filamentous fungi (IFI-FF) is high. Predisposing factors to IFI-FF are multiple and should be stratified. The objective of this study was to identify key risk factors for IFI-FF in onco-haematological patients in different clinical settings. METHODS: Prospective national Delphi study. Risk factors for IFI-FF in patients with onco-haematological diseases were identified by a systematic review of the literature...
February 14, 2017: Revista Española de Quimioterapia: Publicación Oficial de la Sociedad Española de Quimioterapia
https://www.readbyqxmd.com/read/28192253/hematopoietic-stem-cell-transplantation-using-preimplantation-genetic-diagnosis-and-hla-typing-for-hla-matched-sibling-donor-a-turkish-multicenter-study
#20
Emin Kurekci, Alphan Küpesiz, Sema Anak, Gülyüz Öztürk, Orhan Gürsel, Serap Aksoylar, Talia Ileri, Barış Kuşkonmaz, Ibrahim Eker, Mualla Cetin, Gülsün Tezcan Karasu, Zühre Kaya, Tunç Fışgın, Mehmet Ertem, Savaş Kansoy, Mehmet Akif Yeşilipek
Preimplantation genetic diagnosis involves the diagnosis of a genetic disorder in embryos obtained through in vitro fertilization, selection of healthy embryos, and transferring them to the mother's uterus. Preimplantation genetic diagnosis has been used not only to avoid the risk of having an affected child, but also by using HLA matching together, it offers preselection of potential HLA-genoidentical healthy donor progeny for an affected sibling, who requires bone marrow transplantation. Here, we share the hematopoietic stem cell transplantation results of 52 patients with different benign and malign hematological or metabolic diseases or immunodeficiencies, whose donors were their siblings borned with this technique in Turkey since 2008...
February 10, 2017: Biology of Blood and Marrow Transplantation
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