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https://www.readbyqxmd.com/read/28327838/-evaluation-of-minimum-thresholds-of-cellularity-in-units-of-umbilical-cord-blood-at-instituto-nacional-materno-perinatal-in-peru
#1
Diana Torres, Willy Cerón, Belinda Córdova, Ricardo Rodríguez, Efraín Cabrera, Raúl Alegría, José M Cóndor
A cross-sectional study that included 100 units of umbilical cord blood (UCB) was conducted to evaluate the minimum criteria of cellularity in UCB units, according to NetCord standards at Instituto Nacional Materno Perinatal in Lima, Peru. The volume, total count of nucleated cells by hematological tests and total number of CD34+ as well as cell viability by flow cytometry were determined. The study revealed that 56% of UCB units do not fulfill the minimum criteria of cellularity to be cryopreserved in an umbilical cord blood bank...
October 2016: Revista Peruana de Medicina Experimental y Salud Pública
https://www.readbyqxmd.com/read/28327433/sonographic-prediction-of-outcome-of-vacuum-deliveries-a-multicenter-prospective-cohort-study
#2
Birgitte H Kahrs, Sana Usman, Tullio Ghi, Aly Youssef, Erik A Torkildsen, Elsa Lindtjørn, Tilde B Østborg, Sigurlaug Benediktsdottir, Lis Brooks, Lotte Harmsen, Pål R Romundstad, Kjell Å Salvesen, Christoph C Lees, Torbjørn M Eggebø
BACKGROUND: Safe management of the second stage of labor is of great importance. Unnecessary interventions should be avoided and correct timing of interventions focused. Ultrasound assessment of fetal position and station has a potential to improve the precision in diagnosing and managing prolonged or arrested labors. The decision to perform vacuum delivery is traditionally based on subjective assessment by digital vaginal examination and clinical expertise and there is currently no method of objectively quantifying the likelihood of successful delivery...
March 18, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28326080/characterization-of-the-highly-prevalent-regulatory-cd24-hi-cd38-hi-b-cell-population-in-human-cord-blood
#3
Ana Esteve-Solé, Irene Teixidó, Angela Deyà-Martínez, Jordi Yagüe, Ana M Plaza-Martín, Manel Juan, Laia Alsina
The newborn's immune system must transition from a sterile haploidentical uterus to the world full of antigens. Regulatory B-cells (Breg; broadly defined as CD19(+)CD24(hi)CD38(hi)) are tolerance promoters in the adult immune system. They can inhibit IFN-γ and IL-17 production by T-cells and are essential in different conditions, including pregnancy. Breg have still not been well characterized in umbilical cord blood, where we hypothesize that they are pivotal in the achievement of tolerance. We studied CD19(+)CD24(hi)CD38(hi) Breg in healthy umbilical cord blood (hUCB) compared to healthy peripheral adult blood (hAPB)...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28324192/the-presence-of-human-papillomavirus-hpv-in-placenta-and-or-cord-blood-might-result-in-th2-polarization
#4
H-M Koskimaa, A Paaso, M J P Welters, S Grénman, K Syrjänen, S H van der Burg, S Syrjänen
The purpose of this study was to evaluate if an early exposure to human papillomavirus (HPV) during the prenatal period or infancy could result in HPV16-specific T helper (Th) responses resembling those of adults with HPV-induced lesions. We tested HPV16-specific cell-mediated immunity (CMI) in children born with HPV-positive umbilical cord blood and/or placenta or having persistent oral HPV infection and in constantly oral HPV-negative controls. Peripheral blood mononuclear cells from 33 children from the Finnish HPV Family Study cohort (mean age 14...
March 21, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28321921/insights-into-cell-free-therapeutic-approach-role-of-stem-cell-soup-ernatant
#5
REVIEW
Shalini Raik, Ajay Kumar, Shalmoli Bhattacharyya
Current advances in medicine have revolutionized the field of regenerative medicine dramatically with newly evolved therapies for repair or replacement of degenerating or injured tissues. Stem cells can be harvested from different sources for clinical therapeutics which include fetal tissues, umbilical cord blood, embryos and adult tissues. Stem cells can be isolated and differentiated into desired lineages for tissue regeneration and cell replacement therapy. However, several loopholes need to be addressed properly before this can be extended for large scale therapeutic application...
March 21, 2017: Biotechnology and Applied Biochemistry
https://www.readbyqxmd.com/read/28321694/the-born-in-guangzhou-cohort-study-bigcs
#6
Xiu Qiu, Jin-Hua Lu, Jian-Rong He, Kin-Bong Hubert Lam, Song-Ying Shen, Yong Guo, Ya-Shu Kuang, Ming-Yang Yuan, Lan Qiu, Nian-Nian Chen, Min-Shan Lu, Wei-Dong Li, Yan-Fei Xing, Feng-Juan Zhou, Suzanne Bartington, Kar Keung Cheng, Hui-Min Xia
The Born in Guangzhou Cohort Study (BIGCS) is a large-scale prospective observational study investigating the role of social, biological and environmental influences on pregnancy and child health and development in an urban setting in southern China. Pregnant women who reside in Guangzhou and who attend Guangzhou Women and Children's Medical Center (GWCMC) for antenatal care in early pregnancy (<20 weeks' gestation) are eligible for inclusion. Study recruitment commenced in February 2012, with an overall participation rate of 76...
March 20, 2017: European Journal of Epidemiology
https://www.readbyqxmd.com/read/28320218/is-early-cord-clamping-delayed-cord-clamping-or-cord-milking-best
#7
Binay Vatansever, Gamze Demirel, Elif Ciler Eren, Ozcan Erel, Salim Neselioglu, Hande Nur Karavar, Semra Gundogdu, Gozde Ulfer, Selcen Bahadir, Ayhan Tastekin
PURPOSE: To compare the antioxidant status of three cord clamping procedures (early clamping, delayed clamping and milking) by analyzing the thiol-disulfide balance. PATIENTS AND METHODS: This randomized controlled study enrolled 189 term infants who were divided into three groups according to the cord clamping procedure: early clamping, delayed clamping and milking. Blood samples were collected from the umbilical arteries immediately after clamping, and the thiol/disulfide homeostasis was analyzed...
March 20, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28320105/anti-fibrotic-potential-of-human-umbilical-cord-mononuclear-cells-and-mouse-bone-marrow-cells-in-ccl4-induced-liver-fibrosis-in-mice
#8
Nageh Ahmed Elmahdy, Samia Salem Sokar, Mohamed Labib Salem, Naglaa Ibrahim Sarhan, Sherin Hamed Abou-Elela
Liver fibrosis is the consequence of hepatocyte injury that leads to the activation of hepatic stellate cells (HSC). The treatment of choice is Liver transplantation; however, it has many problems such as surgery-related complications, immunological rejection and high costs associated with the procedure. Stem cell-based therapy would be a potential alternative, so the aim of this study is to investigate the therapeutic potential of human umbilical cord mononuclear cells (MNC) and mouse bone marrow cells (BMC) against carbon tetrachloride (CCl4) induced liver fibrosis in mice and compare it with that of silymarin...
March 18, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28319446/good-laboratory-practice-preclinical-safety-studies-for-gsk2696273-mlv-vector-based-ex-vivo-gene-therapy-for-adenosine-deaminase-deficiency-severe-combined-immunodeficiency-in-nsg-mice
#9
Nicola Carriglio, Jan Klapwijk, Raisa Jofra Hernandez, Michela Vezzoli, Franck Chanut, Rhiannon Lowe, Draghici Elena, Melanie Nord, Paola Albertini, Patrizia Cristofori, Jane Richards, Hazel Staton, Jonathan Appleby, Alessandro Aiuti, Aisha V Sauer
GSK2696273 (autologous CD34+ cells transduced with retroviral vector that encodes for the human adenosine deaminase [ADA] enzyme) is a gamma-retroviral ex vivo gene therapy of bone marrow-derived CD34+ cells for the treatment of adenosine deaminase deficiency severe combined immunodeficiency (ADA-SCID). ADA-SCID is a severe monogenic disease characterized by immunologic and nonimmunologic symptoms. Bone-marrow transplant from a matched related donor is the treatment of choice, but it is available for only a small proportion of patients...
March 2017: Human Gene Therapy. Clinical Development
https://www.readbyqxmd.com/read/28304324/assessment-of-serum-apolipoprotien-b-and-apolipoprotein-a-1-and-their-ratio-in-healthy-full-term-small-for-gestational-age-newborns
#10
A Agrawal, J Shrivastava, R Dwivedi, M Siddiqui
BACKGROUND: Programmed changes in growth restricted fetuses can increase the risk of adulthood diseases due to elevated serum cholesterol and apolipoprotein-B (Apo-B) concentrations. Increasing evidence demonstrated the role of apoB/apoA-I ratio as a strong risk factor for cardiovascular diseases. OBJECTIVE: To determine the concentration of cord blood lipoproteins and apolipoproteins as well as their correlation with birth weight. METHODS: This cross-sectional study was conducted in a teaching institution of central India...
March 16, 2017: Journal of Neonatal-perinatal Medicine
https://www.readbyqxmd.com/read/28303368/tramadol-differentially-regulates-m1-and-m2-macrophages-from-human-umbilical-cord-blood
#11
Jun Zhang, Liang Chen, Yunyun Sun, Yuanhai Li
Tramadol is an analgesic drug and relieves pain through activating μ-opioid receptors and inhibiting serotonin and noradrenaline reuptake. Emerging evidence shows that it also stimulates immune cells, including NK cells, splenocytes, and lymphocytes, and elevates IL-2 production. However, it remains unknown whether and how tramadol directly affects macrophages. To answer these questions, we collected human umbilical cord blood, isolated macrophages, and examined their responses to tramadol. Although tramadol did not alter resting macrophages and the antigen-presenting function in lipopolysaccharide-activated macrophages, it regulated M1 and M2 macrophages, which are, respectively, transformed by IFN-γ and IL-4...
March 17, 2017: Inflammopharmacology
https://www.readbyqxmd.com/read/28302957/relationship-between-asymmetric-dimethylarginine-in-umbilical-cord-plasma-and-birth-weight-follows-a-u-shaped-curve
#12
Junji Takaya, Yuko Tanabe, Yuichi Kuroyanagi, Kazunari Kaneko
Asymmetric dimethylarginine (ADMA) is a nonselective nitric oxide (NO) synthase inhibitor associated with cardiovascular and metabolic disorders. NO regulates placental blood flow, which plays an important role in fetal growth. Many epidemiological studies have disclosed that restricted fetal growth is associated with an increased risk of insulin resistance in adult life. We studied the relationship between ADMA in cord blood and birth size. Nine small for gestational age (SGA) and 32 appropriate for gestational age (AGA) infants were studied...
March 7, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28295190/phase-i-study-of-cord-blood-derived-natural-killer-cells-combined-with-autologous-stem-cell-transplantation-in-multiple-myeloma
#13
Nina Shah, Li Li, Jessica McCarty, Indreshpal Kaur, Eric Yvon, Hila Shaim, Muharrem Muftuoglu, Enli Liu, Robert Z Orlowski, Laurence Cooper, Dean Lee, Simrit Parmar, Kai Cao, Catherine Sobieiski, Rima Saliba, Chitra Hosing, Sairah Ahmed, Yago Nieto, Qaiser Bashir, Krina Patel, Catherine Bollard, Muzaffar Qazilabsh, Richard Champlin, Katy Rezvani, Elizabeth J Shpall
Multiple myeloma (MM) is a disease with known immune dysregulation. Natural killer (NK) cells have shown preclinical activity in MM. We conducted a first-in-human study of umbilical cord blood-derived (CB) NK cells for MM patients undergoing high dose chemotherapy and autologous haematopoietic stem cell transplantation (auto-HCT). Patients received lenalidomide (10 mg) on days -8 to -2, melphalan 200 mg/m(2) on day -7, CB-NK cells on day -5 and auto-HCT on day 0. Twelve patients were enrolled, three on each of four CB-NK cell dose levels: 5 × 10(6) , 1 × 10(7) , 5 × 10(7) and 1 × 10(8) CB-NK cells/kg...
March 14, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28294442/prediction-of-adverse-perinatal-outcome-by-cerebroplacental-ratio-adjusted-for-estimated-fetal-weight
#14
Angelo Sirico, Anke Diemert, Peter Glosemeyer, Kurt Hecher
OBJECTIVES: The aim of our study was to evaluate the relationship between the cerebroplacental ratio (CPR) and estimated fetal weight (EFW). Furthermore, we evaluated the role of CPR in the prediction of adverse perinatal outcome and whether CPR measurements adjusted for EFW improve its predictive value. METHODS: This is a retrospective cohort study including pregnancies, where Doppler investigations of umbilical artery (UA) and middle cerebral artery (MCA) were performed after 30 weeks...
March 12, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28294434/immunologic-regulatory-effects-of-human-umbilical-cord-blood-derived-mesenchymal-stem-cells-in-a-murine-ovalbumin-asthma-model
#15
Sung-Yoon Kang, Da-Eun Park, Woo-Jung Song, Bo-Ram Bae, Ji-Won Lee, Kyoung-Hee Sohn, Hyun-Seung Lee, Hye-Ryun Kang, Heung-Woo Park, Yoon-Seok Chang, Soo-Jin Choi, Won-Il Oh, Kyung-Up Min, Sang-Heon Cho
BACKGROUND: Mesenchymal stem cells (MSCs) have multiple immunomodulatory properties and hold therapeutic potential for inflammatory diseases. However, the therapeutic and immunologic effects of human umbilical cord blood-derived MSCs (huMSCs) remain largely unexamined for asthma. OBJECTIVE: This study was to investigate the immunomodulatory properties of huMSCs in an ovalbumin (OVA)-induced murine asthma model. METHODS: Mice were injected intraperitoneally with OVA and an aluminum hydroxide adjuvant...
March 14, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28293049/microrna-modulation-during-the-in-vitro-culture-of-hematopoietic-stem-cells-prior-to-transplantation
#16
Saeid Shahrabi, Saeid Kaviani, Masoud Soleimani, Ali Akbar Pourfathollah, Behnaz Bakhshandeh, Saeideh Hajizamani, Najmaldin Saki
BACKGROUND: Human umbilical cord blood (HUCB) is an acceptable and readily accessible source of stem cells. There is an ongoing interest in cord blood stem cell therapies; however, little is known about the possible unfavorable effects of laboratory modifications on the isolated HUCB cells. The involvement of miRNAs in several biological processes has been shown. The aim of this study was to evaluate the possible changes in miRNA expression profiles in CD133(+) hematopoietic cells after in vitro culture...
January 2017: Iranian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28292847/human-umbilical-cord-blood-borne-fibroblasts-contain-marrow-niche-precursors-that-form-a-bone-marrow-organoid-in-vivo
#17
Alice Pievani, Benedetto Sacchetti, Alessandro Corsi, Benedetta Rambaldi, Samantha Donsante, Valeria Scagliotti, Patrizia Vergani, Cristina Remoli, Andrea Biondi, Pamela G Robey, Mara Riminucci, Marta Serafini
Human umbilical cord blood (CB) has attracted much attention as a reservoir for functional hematopoietic stem and progenitor cells, and, recently, as a source of blood-borne fibroblasts (CB-BFs). Previously, we demonstrated that bone marrow stromal cell (BMSC) and CB-BF pellet cultures make cartilage in vitro Furthermore, upon in vivo transplantation, BMSC pellets remodelled into miniature bone/marrow organoids. Using this in vivo model, we asked whether CB-BF populations that express characteristics of the hematopoietic stem cell (HSC) niche contain precursors that reform the niche...
March 15, 2017: Development
https://www.readbyqxmd.com/read/28288952/outcomes-after-umbilical-cord-blood-transplantation-for-myelodysplastic-syndromes
#18
Aaron T Gerds, Kwang Woo Ahn, Zhen-Huan Hu, Hisham Abdel-Azim, Gorgun Akpek, Mahmoud Aljurf, Karen K Ballen, Amer Beitinjaneh, Ulrike Bacher, Jean-Yves Cahn, Saurabh Chhabra, Corey Cutler, Andrew Daly, Zachariah DeFilipp, Robert Peter Gale, Usama Gergis, Michael R Grunwald, Gregory A Hale, Betty Ky Hamilton, Madan Jagasia, Rammurti T Kamble, Tamila Kindwall-Keller, Taiga Nishihori, Richard F Olsson, Muthalagu Ramanathan, Ayman A Saad, Melhem Solh, Celalettin Ustun, David Valcárcel, Erica Warlick, Baldeep M Wirk, Matt Kalaycio, Edwin Alyea, Uday Popat, Ronald Sobecks, Wael Saber
For patients with hematologic malignancies undergoing allogeneic hematopoietic cell transplantation, umbilical cord blood transplantation (UCBT) has become an acceptable alternative donor source in the absence of a matched sibling or unrelated donor. However, there have been few published series dedicated solely to describing the outcomes of adult patients with myelodysplastic syndrome (MDS) who have undergone UCBT. From 2004 to 2013, 176 adult MDS patients underwent UCBT as reported to the Center for International Blood and Marrow Transplant Research...
March 10, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28285640/first-and-second-trimester-gestational-weight-gains-are-most-strongly-associated-with-cord-blood-levels-of-hormones-at-delivery-important-for-glycemic-control-and-somatic-growth
#19
Sheryl L Rifas-Shiman, Abby Fleisch, Marie-France Hivert, Christos Mantzoros, Matthew W Gillman, Emily Oken
BACKGROUND: Excessive gestational weight gain (GWG) during pregnancy is associated with adverse outcomes for mothers and offspring. Early, mid, and late pregnancy GWGs have different associations with fetal growth and later life adiposity, but associations with cord blood hormones, which might predict later health, are not well studied. METHODS: In 978 pregnant women from the pre-birth Project Viva cohort, we calculated trimester-specific GWG using clinically recorded prenatal weights...
April 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28281676/rat-umbilical-cord-blood-cells-attenuate-hypoxic-ischemic-brain-injury-in-neonatal-rats
#20
Keiko Nakanishi, Yoshiaki Sato, Yuka Mizutani, Miharu Ito, Akihiro Hirakawa, Yujiro Higashi
Increasing evidence has suggested that human umbilical cord blood cells (hUCBC) have a favorable effect on hypoxic-ischemic (HI) brain injury. However, the efficacy of using hUCBCs to treat this injury has been variable and the underlying mechanism remains elusive. Here, we investigated its effectiveness using stereological analysis in an allogeneic system to examine whether intraperitoneal injection of cells derived from UCBCs of green fluorescent protein (GFP)-transgenic rats could ameliorate brain injury in neonatal rats...
March 10, 2017: Scientific Reports
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