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https://www.readbyqxmd.com/read/28239798/effect-of-fibroblast-like-cells-of-mesenchymal-origin-of-cytotoxic-activity-of-lymphocytes-against-nk-sensitive-target-cells
#1
A Yu Lupatov, Ya S Kim, O A Bystrykh, I V Vakhrushev, S V Pavlovich, K N Yarygin, G T Sukhikh
We studied immunosuppressive properties of skin fibroblasts and mesenchymal stromal cells against NK cells. In vitro experiments showed that mesenchymal stromal cells isolated from human umbilical cord and human skin fibroblasts can considerably attenuate cytotoxic activity of NK cells against Jurkat cells sensitive to NK-mediated lysis. NK cells cultured in lymphocyte population exhibited higher cytotoxic activity than isolated NK cells. Mesenchymal stromal cells or fibroblasts added 1:1 to lymphocyte culture almost completely suppressed NK cell cytotoxicity...
February 27, 2017: Bulletin of Experimental Biology and Medicine
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/28237988/transabdominal-amniocentesis-is-a-feasible-and-safe-procedure-in-preterm-prelabor-rupture-of-membranes
#4
Ivana Musilova, Tomas Bestvina, Jaroslav Stranik, Martin Stepan, Bo Jacobsson, Marian Kacerovsky
OBJECTIVES: To determine the feasibility and the complication rate of amniocentesis in a large cohort of women with preterm prelabor rupture of membranes (PPROM). METHODS: A retrospective cohort study was conducted in all women with singleton gestation complicated by PPROM at between 24+0 and 36+6 weeks admitted to the Department of Obstetrics and Gynecology, University Hospital Hradec Kralove, Czech Republic between May 2008 and July 2016. Amniocentesis was offered as a part of a routine protocol of PPROM for the detection of microbial invasion of the amniotic cavity and intra-amniotic inflammation...
February 25, 2017: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/28236631/causes-of-intrauterine-fetal-death-are-changing-in-recent-years
#5
Hiroko Takita, Junichi Hasegawa, Masamitsu Nakamura, Tatsuya Arakaki, Tomohiro Oba, Ryu Matsuoka, Akihiko Sekizawa
OBJECTIVE: To investigate, how causes of intrauterine fetal death (IUFD) have changed in recent years with the advancement of prenatal diagnosis at a single perinatal center in Japan. METHODS: Medical records were retrospectively reviewed for all cases of IUFDs that occurred between 2001 and 2014. The most commonly associated causes of fetal deaths were compared between 2001-2007 and 2008-2014. RESULTS: The number of IUFD after 20 weeks' gestation/all deliveries in our center was 38/6878 cases (0...
February 25, 2017: Journal of Perinatal Medicine
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
#6
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/28235023/markers-of-oxidative-stress-in-umbilical-cord-blood-from-g6pd-deficient-african-newborns
#7
Paul S Stadem, Megan V Hilgers, Derrick Bengo, Sarah E Cusick, Susan Ndidde, Tina M Slusher, Troy C Lund
Glucose-6-phosphate dehydrogenase (G6PD) deficiency is an X-linked disorder that affects as many as 400 million people worldwide, making it the most common enzymatic defect. Subjects with G6PD deficiency are more likely to develop neonatal hyperbilirubinemia potentially leading to kernicterus and are at increased risk for acute hemolytic anemia when exposed to pro-oxidant compounds such as anti-malarial drugs. We collected umbilical cord blood from 300 males born in Uganda to assess for novel markers of systemic oxidative stress...
2017: PloS One
https://www.readbyqxmd.com/read/28234738/successful-myeloablative-matched-unrelated-donor-hematopoietic-stem-cell-transplantation-in-a-young-girl-with-gata2-deficiency-and-emberger-syndrome
#8
Mohammed Ramzan, Jane Lowry, Sarah Courtney, Joerg Krueger, Tal Schechter Finkelstein, Muhammad Ali
Patients with GATA2 (Emberger syndrome) deficiency needs early hematopoietic stem cell transplant (HSCT) before evolving in to myelodysplastic syndrome or acute myeloid leukemia and with time given compromised organ dysfunction leads to increase regimen-related toxicities. Most published cases have used nonmyeloablative conditioning regimens, show higher incidences of rejection and relapse rates and umbilical cord blood transplant has been reported to be suboptimal in patients with GATA2 deficiency because of longer period of engraftment leads to more infections and mortality...
February 23, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28233961/the-impact-of-air-pollution-in-the-southern-bohemia-region-on-fetuses-and-newborns
#9
(no author information available yet)
Air pollution with increased concentrations of carcinogenic polycyclic aromatic hydrocarbons (c-PAHs, represented by benzo[a]pyrene, B[a]P) affect fetal development, reduce birth weights (LBW) of newborns, and increases intrauterine growth retardation (IUGR). The Southern Bohemia Region is believed to be one of the least air polluted regions in the Czech Republic. Monitoring air pollution in the city of České Budějovice from 2011-2015, PM2.5 (particulate matter <2.5 µm) decreased from 20.3 ± 14.5 µg/m3 to 14...
December 24, 2016: Neuro Endocrinology Letters
https://www.readbyqxmd.com/read/28233087/erratum-to-determine-multiple-elements-simultaneously-in-the-sera-of-umbilical-cord-blood-samples-a-very-simple-method
#10
Chunmei Liang, Zhijuan Li, Xun Xia, Qunan Wang, Ruiwen Tao, Yiran Tao, Haiyun Xiang, Shilu Tong, Fangbiao Tao
No abstract text is available yet for this article.
February 23, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28232219/umbilical-cord-stem-cells-in-the-treatment-of-corneal-disease
#11
REVIEW
Mohammed Ziaei, Jie Zhang, Dipika Patel, Charles Nj McGhee
Stem cells are capable of giving rise to progenies with specific functional and morphological traits and, in recent years, extraordinary scientific advances have initiated an era of hope for clinical regenerative strategies and tissue engineering applications. We appraise the potential benefits of human umbilical cord derived stem cell therapy and consider current approaches to utilize these stem cells in corneal epithelial, stromal, and endothelial disorders.
February 20, 2017: Survey of Ophthalmology
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
#12
(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/28229411/therapeutic-application-of-human-wharton-jelly-mesenchymal-stem-cells-in-skin-injury-of-scid
#13
Vikram Sabapathy, Balasubramanian Sundaram, Sanjay Kumar
Mesenchymal stem cells (MSCs) are blossoming as a credible source for regenerative medical applications. The use of fetal MSCs is gaining momentum for therapeutic use. The ease of isolation, enhanced characteristics, and immunomodulation properties renders the utilization of fetal MSCs for numerous clinical applications. In this article, we will demonstrate a step-by-step protocol for isolation of Wharton's jelly MSCs (WJMSCs) from the human umbilical cord matrix, preparation of human platelet lysate, fabricating amniotic membrane scaffold and mice model to study skin regeneration using a combination of MSCs and decellularized amniotic membrane scaffold...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28228105/mesenchymal-stromal-cells-as-vehicles-of-tetravalent-bispecific-tandab-cd3-cd19-for-the-treatment-of-b-cell-lymphoma-combined-with-ido-pathway-inhibitor-d-1-methyl-tryptophan
#14
Xiaolong Zhang, Yuanyuan Yang, Leisheng Zhang, Yang Lu, Qing Zhang, Dongmei Fan, Yizhi Zhang, Yanjun Zhang, Zhou Ye, Dongsheng Xiong
BACKGROUND: Although blinatumomab, a bispecific T cell engaging antibody, exhibits high clinical response rates in patients with relapsed or refractory B-precursor acute lymphoblastic leukemia (B-ALL) and B cell non-Hodgkin's lymphoma (B-NHL), it still has some limitations because of its short half-life. Mesenchymal stromal cells (MSCs) represent an attractive approach for delivery of therapeutic agents to cancer sites owing to their tropism towards tumors, but their immunosuppression capabilities, especially induced by indoleamine 2,3-dioxygenase (IDO), should also be taken into consideration...
February 23, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28224745/the-effect-of-maternal-low-flow-oxygen-administration-during-the-second-stage-of-labour-on-umbilical-cord-artery-ph-a-randomised-controlled-trial
#15
G Qian, X Xu, L Chen, S Xia, A Wang, Y Chuai, W Jiang
OBJECTIVE: To assess the effect of maternal low flow oxygen administration during the second stage of labour on umbilical cord artery pH. DESIGN: A randomised controlled trial. SETTING: A tertiary teaching hospital in China. POPULATION: Women in the second stage of labour with no complications. METHODS: About 443 women were randomly allocated to receive either supplemental oxygen at a flow rate of 2 l/min or a sham supplementation by nasal cannula...
March 2017: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28222169/decellularized-wharton-s-jelly-from-human-umbilical-cord-as-a-novel-3d-scaffolding-material-for-tissue-engineering-applications
#16
Sushma Jadalannagari, Gabriel Converse, Christopher McFall, Eric Buse, Michael Filla, Maria T Villar, Antonio Artigues, Adam J Mellot, Jinxi Wang, Michael S Detamore, Richard A Hopkins, Omar S Aljitawi
In tissue engineering, an ideal scaffold attracts and supports cells thus providing them with the necessary mechanical support and architecture as they reconstruct new tissue in vitro and in vivo. This manuscript details a novel matrix derived from decellularized Wharton's jelly (WJ) obtained from human umbilical cord for use as a scaffold for tissue engineering application. This decellularized Wharton's jelly matrix (DWJM) contained 0.66 ± 0.12 μg/mg sulfated glycosaminoglycans (GAGs), and was abundant in hyaluronic acid, and completely devoid of cells...
2017: PloS One
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
#17
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/28219420/umbilical-cord-care-practices-in-low-and-middle-income-countries-a-systematic-review
#18
Patricia S Coffey, Siobhan C Brown
BACKGROUND: Neonatal sepsis is the third leading cause of deaths for infants in their first month of life. The newly cut umbilical cord can be a pathway for bacteria that can cause newborn sepsis and death. Optimal umbilical cord care practices for newborns and during the first week of life, especially in settings with poor hygiene, has the potential to avoid these preventable neonatal deaths. The purpose of this review of cord care practices is to assist in the development of behavior-change strategies to support introduction of novel cord-care regimens, particularly 7...
February 20, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28218044/leukemia-microvesicles-affect-healthy-hematopoietic-stem-cells
#19
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
#20
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
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