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https://www.readbyqxmd.com/read/28098961/angiogenic-and-osteogenic-regeneration-in-rats-via-calcium-phosphate-scaffold-and-endothelial-cell-coculture-with-hbmscs-hucmscs-hipsc-mscs-and-hesc-mscs
#1
Wenchuan Chen, Xian Liu, Qianmin Chen, Chongyun Bao, Liang Zhao, Zhimin Zhu, Hockin H K Xu
Angiogenesis is a limiting factor in regenerating large bone defects. The objective of this study was to investigate angiogenic and osteogenic effects of coculture on calcium phosphate cement (CPC) scaffold using human umbilical vein endothelial cells (hUVECs) and mesenchymal stem cells (MSCs) from different origins for the first time. hUVECs were cocultured with four types of cells: human umbilical cord MSCs (hUCMSCs), human bone marrow MSCs (hBMSCs), and MSCs from induced pluripotent stem cells (hiPSC-MSCs) and embryonic stem cells (hESC-MSCs)...
January 18, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28098485/effects-of-umbilical-cord-blood-stem-cells-on-healing-factors-for-diabetic-foot-injuries
#2
N Çil, E O Oğuz, E Mete, A Çetinkaya, G A Mete
The use of stem or progenitor cells from bone marrow, or peripheral or umbilical cord blood is becoming more common for treatment of diabetic foot problems. These cells promote neovascularization by angiogenic factors and they promote epithelium formation by stimulating cell replication and migration under certain pathological conditions. We investigated the role of CD34 + stem cells from human umbilical cord blood in wound healing using a rat model. Rats were randomly divided into a control group and two groups with diabetes induced by a single dose of 55 mg/kg intraperitoneal streptozocin...
January 18, 2017: Biotechnic & Histochemistry: Official Publication of the Biological Stain Commission
https://www.readbyqxmd.com/read/28092353/non-myeloablative-conditioning-for-second-hematopoietic-cell-transplantation-for-graft-failure-in-patients-with-non-malignant-disorders-a-prospective-study-and-review-of-the-literature
#3
K Mallhi, P J Orchard, W P Miller, Q Cao, J Tolar, T C Lund
Allogeneic hematopoietic cell transplantation (HCT) effectively treats several non-malignant disorders such as selected lysosomal disorders, cerebral adrenoleukodystrophy and hemoglobinopathies. However, rates of graft failure (GF) in non-malignant populations exceed those of patients with malignant indications for HCT. Salvage conditioning regimens and outcomes for second HCT for GF vary immensely in the literature. We report 17 consecutive pediatric patients with non-malignant disorders who underwent a second allogenic HCT for GF using a non-myeloablative, low-dose busulfan-based regimen...
January 16, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28087163/clinical-studies-of-ex-vivo-expansion-to-accelerate-engraftment-after-umbilical-cord-blood-transplantation-a-systematic-review
#4
REVIEW
Jeffrey Kiernan, Pauline Damien, Madeline Monaghan, Risa Shorr, Lauralyn McIntyre, Dean Fergusson, Alan Tinmouth, David Allan
Cell dose limits greater use of umbilical cord blood (UCB) in hematopoietic cell transplantation. The clinical benefits of ex vivo expansion need clarity to understand its potential impact. A systematic search of studies addressing UCB ex vivo expansion was conducted. Fifteen clinical studies (349 transplanted patients) and 13 registered trials were identified. The co-infusion of an expanded unit and a second unmanipulated unit (8 studies), the fractional expansion of 12% to 60% of a single unit (5 studies), and the infusion of a single expanded unit (2 studies) were reported...
December 23, 2016: Transfusion Medicine Reviews
https://www.readbyqxmd.com/read/28079317/human-umbilical-cord-blood-cd34-positive-cells-as-predictors-of-the-incidence-and-short-term-outcome-of-neonatal-hypoxic-ischemic-encephalopathy-a-pilot-study
#5
Sahar M A Hassanein, Mohamed Hassan Nasr Eldin, Hanaa A Amer, Adel E Abdelhamid, Moustafa El Houssinie, Abir Ibrahim
BACKGROUND AND PURPOSE: Neonatal hypoxic-ischemic encephalopathy (HIE) is one of the leading causes of neurological handicap in developing countries. Human umbilical cord blood (hUCB) CD34-positive (CD34⁺) stem cells exhibit the potential for neural repair. We tested the hypothesis that hUCB CD34⁺ stem cells and other cell types [leukocytes and nucleated red blood cells (NRBCs)] that are up-regulated during the acute stage of perinatal asphyxia (PA) could play a role in the early prediction of the occurrence, severity, and mortality of HIE...
January 2017: Journal of Clinical Neurology
https://www.readbyqxmd.com/read/28073763/maternal-concentrations-of-perfluoroalkyl-substances-and-fetal-markers-of-metabolic-function-and-birth-weight-the-maternal-infant-research-on-environmental-chemicals-mirec-study
#6
Jillian Ashley-Martin, Linda Dodds, Tye E Arbuckle, Maryse F Bouchard, Mandy Fisher, Anne-Sophie Morriset, Patricia Monnier, Gabriel D Shapiro, Adrienne S Ettinger, Renee Dallaire, Shayne Taback, William Fraser, Robert W Platt
Perfluoroalkyl substances (PFAS) are ubiquitous, persistent chemicals that have been widely used in the production of common household and consumer goods for their nonflammable, lipophobic, and hydrophobic properties. Inverse associations between maternal or umbilical cord blood concentrations of perfluorooctanoic acid and perfluorooctanesulfonate and birth weight have been identified. This literature has primarily examined each PFAS individually without consideration of the potential influence of correlated exposures...
January 9, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28071021/the-effect-of-alcohol-consumption-on-maternal-and-cord-blood-electrolyte-and-trace-element-levels
#7
Anatoly V Skalny, Elena S Berezkina, Elena V Kiyaeva, Inara E Alidzhanova, Andrew R Grabeklis, Alexey A Tinkov
BACKGROUND: Earlier studies demonstrated that alcoholism significantly alters electrolyte and trace element homeostasis. However, the existing data on the interplay between maternal alcohol consumption and fetal trace element status are contradictory. Therefore, the primary objective of the present study was to assess the influence of alcohol consumption on maternal and cord blood trace elements. METHODS: A total of 30 pregnant women (15 women consuming alcohol and 15 controls) were examined...
October 2016: Acta Scientiarum Polonorum. Technologia Alimentaria
https://www.readbyqxmd.com/read/28067887/one-or-two-umbilical-cord-blood-cell-units-caveat-emptor
#8
J Sanz, R P Gale
No abstract text is available yet for this article.
January 9, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28067107/physical-properties-and-biological-interactions-of-liposomes-developed-as-a-drug-carrier-in-the-field-of-regenerative-medicine
#9
Sławomir Lewicki, Monika Leśniak, Eugeniusz Krzysztof Machaj, Małgorzata Antos-Bielska, Elżbieta Anna Trafny, Janusz Kocik, Zygmunt Pojda
Liposomes are used for encapsulation of the active compounds in different therapies, with the increasing frequency. The important areas of clinical applications of liposomes are cancer targeted treatment, antibiotic delivery or regenerative medicine. The liposomes can transfer both hydrophilic and hydrophobic compounds and have the lipid bilayer which imitates the cell membrane. Liposomes additionally may extend half-live period of drugs and protect them against the elimination in different ways, such as phagocytosis, enzymatic cleavage or exclusion by detoxification...
January 8, 2017: Journal of Liposome Research
https://www.readbyqxmd.com/read/28065360/intracavernous-injection-of-human-umbilical-cord-blood-mononuclear-cells-improves-erectile-dysfunction-in-streptozotocin-induced-diabetic-rats
#10
Tugba Cengiz, Ecem Kaya, Didem Yilmaz Oral, Isil Ozakca, Nur Bayatli, Arzu Zeynep Karabay, Tugba Altun Ensari, Tuna Karahan, Enis Yilmaz, Serap Gur
INTRODUCTION: Erectile dysfunction (ED) worsens in men with diabetes. Human umbilical cord blood (HUCB), because of its widespread availability and low immunogenicity, is a valuable source for stem cell-based therapies. AIM: To determine the effect of intracavernous injection of HUCB mononuclear cells (MNCs) on ED in rats with diabetes induced by streptozotocin. METHODS: Thirty adult male Sprague-Dawley rats were equally divided into three groups: (i) control, (ii) diabetes induced by streptozotocin (35 mg/kg intravenously for 8 weeks), and (iii) diabetic rats treated with MNCs (1 × 10(6) cells by intracavernosal injection)...
January 2017: Journal of Sexual Medicine
https://www.readbyqxmd.com/read/28060792/expression-of-x-linked-toll-like-receptor-4-signalling-genes-in-female-versus-male-neonates
#11
David N O'Driscoll, Chiara DeSanti, Paul J McKiernan, Victoria McEneaney, Eleanor J Molloy, Catherine M Greene
BACKGROUND: Male neonates display poorer disease prognosis and outcomes compared to females. Immune genes which exhibit higher expression in umbilical cord blood (UCB) of females may contribute to the female immune advantage during infection and inflammation. The aim of this study was to quantify expression of Toll-like receptor (TLR) 4 signalling genes encoded on the X-chromosome in UCB from term female versus male neonates. METHODS: UCB samples were collected from term neonates (n=26) born by elective Caesarean section and whole blood was collected from adults (n=20)...
January 6, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28060310/induced-pluripotent-stem-cell-generation-from-blood-cells-using-sendai-virus-and-centrifugation
#12
Yeri Alice Rim, Yoojun Nam, Ji Hyeon Ju
The recent development of human induced pluripotent stem cells (hiPSCs) proved that mature somatic cells can return to an undifferentiated, pluripotent state. Now, reprogramming is done with various types of adult somatic cells: keratinocytes, urine cells, fibroblasts, etc. Early experiments were usually done with dermal fibroblasts. However, this required an invasive surgical procedure to obtain fibroblasts from the patients. Therefore, suspension cells, such as blood and urine cells, were considered ideal for reprogramming because of the convenience of obtaining the primary cells...
December 21, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28058216/overview-of-the-progress-on-haploidentical-hematopoietic-transplantation
#13
REVIEW
Nosha Farhadfar, William J Hogan
Allogeneic hematopoietic stem cell transplant (HSCT) remains the only potentially curative option for variety of hematologic disorders. Lack of a suitable fully HLA-matched donor limits this option for many patients. Without a suitable related or unrelated HLA-matched donor, umbilical cord blood and haploidentical family members provide a potential source of stem cells. Timely donor availability makes haploidentical donors an attractive alternative donor source. Initial attempts at haploidentical HSCT was associated with significantly increased mortality owing to high rates of graft rejection and severe graft-versus-host disease caused by major donor-recipient HLA-disparity...
December 24, 2016: World Journal of Transplantation
https://www.readbyqxmd.com/read/28056289/-correlation-analysis-of-the-pre-pregnant-body-mass-index-the-gestational-weight-gain-and-umbilical-cord-blood-c-peptide
#14
X L Chen, Y Han, X M Zhao, Y Liu, J J Lü
Objective: To explore the correlation among the pre-pregnant body mass index (BMI), gestational weight gain (GWG) and umbilical cord blood C peptide, and to investigate the influence of maternal weight management on the incidence of baby long-term metabolic syndrome. Methods: During May to Aug.2015, 485 pregnant women in Zhejiang Taizhou first people's hospital and Taizhou Huangyan maternal &child care service centre were selected in random and divided into four groups according to pre-pregnant BMI: low body mass, normal body mass, over body mass and obese group, and also divided into two groups for getting gestational diabetes mellitus (GDM) or not...
January 3, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28054239/the-protein-content-of-extracellular-vesicles-derived-from-expanded-human-umbilical-cord-blood-derived-cd133-and-human-bone-marrow-derived-mesenchymal-stem-cells-partially-explains-why-both-sources-are-advantageous-for-regenerative-medicine
#15
Addeli B B Angulski, Luiz G Capriglione, Michel Batista, Bruna H Marcon, Alexandra C Senegaglia, Marco A Stimamiglio, Alejandro Correa
Adult stem cells have beneficial effects when exposed to damaged tissue due, at least in part, to their paracrine activity, which includes soluble factors and extracellular vesicles (EVs). Given the multiplicity of signals carried by these vesicles through the horizontal transfer of functional molecules, human mesenchymal stem cell (hMSCs) and CD133(+) cell-derived EVs have been tested in various disease models and shown to recover damaged tissues. In this study, we profiled the protein content of EVs derived from expanded human CD133(+) cells and bone marrow-derived hMSCs with the intention of better understanding the functions performed by these vesicles/cells and delineating the most appropriate use of each EV in future therapeutic procedures...
January 4, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/28049636/verification-of-a-maternal-fetal-physiologically-based-pharmacokinetic-model-for-passive-placental-permeability-drugs
#16
Zufei Zhang, Jashvant D Unadkat
Fetal exposure to drugs cannot be readily estimated from single time point cord blood sampling at the time of delivery. Therefore, we developed a physiologically-based pharmacokinetic (PBPK) model to estimate fetal drug exposure throughout pregnancy. Here we report verification of this novel maternal-fetal physiologically-based pharmacokinetic (m-f-PBPK) model for drugs that passively diffuse across the placenta and are not metabolized/transported there. Our recently built m-f-PBPK model was populated with gestational age-dependent changes in maternal drug disposition and maternal-fetal physiology...
January 3, 2017: Drug Metabolism and Disposition: the Biological Fate of Chemicals
https://www.readbyqxmd.com/read/28045978/cord-blood-acute-phase-reactants-predict-early-onset-neonatal-sepsis-in-preterm-infants
#17
Leena B Mithal, Hannah L Palac, Ram Yogev, Linda M Ernst, Karen K Mestan
BACKGROUND: Early onset sepsis (EOS) is a major cause of morbidity and mortality in preterm infants, yet diagnosis remains inadequate resulting in missed cases or prolonged empiric antibiotics with adverse consequences. Evaluation of acute phase reactant (APR) biomarkers in umbilical cord blood at birth may improve EOS detection in preterm infants with intrauterine infection. METHODS: In this nested case-control study, infants (29.7 weeks gestation, IQR: 27.7-32...
2017: PloS One
https://www.readbyqxmd.com/read/28043837/targeting-antioxidant-enzyme-expression-as-a-therapeutic-strategy-for-ischemic-stroke
#18
REVIEW
Stephanie M Davis, Keith R Pennypacker
During ischemic stroke, neurons and glia are subjected to damage during the acute and neuroinflammatory phases of injury. Production of reactive oxygen species (ROS) from calcium dysregulation in neural cells and the invasion of activated immune cells are responsible for stroke-induced neurodegeneration. Scientists have failed thus far to identify antioxidant-based drugs that can enhance neural cell survival and improve recovery after stroke. However, several groups have demonstrated success in protecting against stroke by increasing expression of antioxidant enzymes in neural cells...
December 30, 2016: Neurochemistry International
https://www.readbyqxmd.com/read/28043188/maternal-serum-vitamin-d-and-parathormone-concentrations-during-gestation-and-in-umbilical-cord-blood-pilot-study
#19
Anastasiya Zasimovich, Anna Fijałkowska, Magdalena Chełchowska, Tomasz Maciejewski
OBJECTIVE: We wanted to define levels of vitamin D (25(OH)D), parathormone (PTH), calcium (Ca), phosphorus (P) and the correlations between them during gestation as well as in umbilical cord blood. METHODS: The study included 37 healthy singleton pregnant women in the course of gestation with no medical history concerning systemic diseases, nor with negative obstetrics and gynecological history. Biochemical parameters were determined using commercially available kits...
January 2, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28040556/tuberculosis-associated-hemophagocytic-lymphohistiocytosis-in-an-umbilical-cord-blood-transplant-recipient
#20
Bing Long, Lei Cheng, Shu-Ping Lai, Jing-Wen Zhang, Yan-Ling Sun, Wen-Xin Lai, Hai-Yan Zhang, Ying Lu, Dong-Jun Lin, Xu-Dong Li
BACKGROUND: Hemophagocytic lymphohistiocytosis (HLH) is a rare and potentially fatal condition that can be primary or secondary. Secondary HLH due to Mycobacterium tuberculosis (TB) is uncommon. We report a case of tuberculosis-associated HLH in an umbilical cord blood transplant (UCBT) recipient and discuss its clinical characteristics and challenges. METHODS: Hematologic investigations, bone marrow aspirates, Xpert MTB/RIF test of TB with peripheral blood were performed...
December 28, 2016: Clinica Chimica Acta; International Journal of Clinical Chemistry
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