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https://www.readbyqxmd.com/read/29790808/comparison-of-time-to-engraftment-between-autologous-patients-receiving-washed-versus-non-washed-cryopreserved-peripheral-blood-stem-cell-products
#1
Ronit Reich-Slotky, Sarah S Makhani, Ljiljana V Vasovic, Roger N Pearse, Adriana Rossi, Adrianne Philips, Melissa M Cushing, Amrita D Singh, Koen van-Besien
Washing cryopreserved peripheral blood stem cell (PBSC) products can decrease infusion-related adverse reactions but can also result in cell loss and reduced cell viability. To assess the risk and benefit of washing products, we compared the time to neutrophil and platelet engraftment between autologous patients that received washed products (n = 201) and non-washed products (n = 89). The effect of the other variables, including age, gender, diagnosis, transplant dose, method of stem cell mobilization, and growth factor support regimen post-transplant, was assessed...
May 23, 2018: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/29789615/il-37-isoform-d-downregulates-pro-inflammatory-cytokines-expression-in-a-smad3-dependent-manner
#2
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/29789423/atp-binding-cassette-member-b5-abcb5-promotes-tumor-cell-invasiveness-in-human-colorectal-cancer
#3
Qin Guo, Tanja Grimmig, Gabriel Gonzalez, Anita Giobbie-Hurder, Gretchen Berg, Nolan Carr, Brian J Wilson, Pallavi Banerjee, Jie Ma, Jason S Gold, Bisweswar Nandi, Qin Huang, Ana Maria Waaga-Gasser, Christine G Lian, George F Murphy, Markus H Frank, Martin Gasser, Natasha Y Frank
ATP-binding cassette member B5 (ABCB5) mediates multidrug resistance (MDR) in diverse malignancies and confers clinically relevant 5-fluorouracil resistance to CD133-expressing cancer stem cells (CSCs) in human colorectal cancer (CRC). Because of its recently identified roles in normal stem cell maintenance, we hypothesized that ABCB5 might also serve MDR-independent functions in CRC. Here, in a prospective clinical study of 142 CRC patients, we found that ABCB5 mRNA transcripts previously reported not to be significantly expressed in healthy peripheral blood mononuclear cells are significantly enriched in patient peripheral blood specimens compared with non-CRC controls and correlate with CRC disease progression...
May 22, 2018: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29785446/digital-droplet-pcr-based-absolute-quantification-of-pre-transplant-npm1-mutation-burden-predicts-relapse-in-acute-myeloid-leukemia-patients
#4
Marius Bill, Juliane Grimm, Madlen Jentzsch, Laura Kloss, Karoline Goldmann, Julia Schulz, Stefanie Beinicke, Janine Häntschel, Michael Cross, Vladan Vucinic, Wolfram Pönisch, Gerhard Behre, Georg-Nikolaus Franke, Thoralf Lange, Dietger Niederwieser, Sebastian Schwind
Allogeneic hematopoietic stem cell transplantation is an established consolidation therapy for patients with acute myeloid leukemia. However, relapse after transplantation remains a major clinical problem resulting in poor prognosis. Thus, detection of measurable ("minimal") residual disease to identify patients at high risk of relapse is essential. A feasible method to determine measurable residual disease may be digital droplet PCR (ddPCR) that allows absolute quantification with high sensitivity and specificity without the necessity of standard curves...
May 22, 2018: Annals of Hematology
https://www.readbyqxmd.com/read/29784961/sarcodon-imbricatus-polysaccharides-improve-mouse-hematopoietic-function-after-cyclophosphamide-induced-damage-via-g-csf-mediated-jak2-stat3-pathway
#5
Xue Wang, Qiubo Chu, Xue Jiang, Yue Yu, Libian Wang, Yaqi Cui, Jiahui Lu, Lirong Teng, Di Wang
Sarcodon imbricatus, a rare medicinal and edible fungus, has various pharmacological bioactivities. We investigated the effects of S. imbricatus polysaccharides (SIPS) on hematopoietic function and identified the underlying mechanisms using in vitro experiments with CHRF, K562, and bone marrow mononuclear cells (BMMNCs) and in vivo experiments with a mouse model of cyclophosphamide-induced hematopoietic dysfunction. We found that SIPS induced proliferation and differentiation of CHRF and K562 cells and upregulated the expression of hematopoietic-related proteins, including p90 ribosomal S6 kinases (RSK1p90), c-Myc, and ETS transcription factor, in the two cell lines...
May 21, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29781927/a-case-of-corneal-neovascularization-misdiagnosed-as-total-limbal-stem-cell-deficiency
#6
Qihua Le, C Michael Samson, Sophie X Deng
PURPOSE: To report a case of corneal neovascularization misdiagnosed as total limbal stem cell deficiency (LSCD). METHODS: This is a case report of a 61-year-old woman who has a history of bilateral idiopathic scleritis, keratitis, and uveitis for more than 20 years. She was diagnosed with total LSCD in her left eye based on clinical presentation alone and was confirmed as a candidate for limbal transplantation at several major tertiary eye care centers in the United States...
May 16, 2018: Cornea
https://www.readbyqxmd.com/read/29781367/human-stem-cell-derived-models-lessons-for-autoimmune-diseases-of-the-nervous-system
#7
Oliver Harschnitz
Autoimmunity of the peripheral and central nervous system is an important cause of disease and long-term neurological disability. Autoantibodies can target both intracellular and extracellular neuronal epitopes. Autoantibodies that target cell-surface epitopes infer pathogenicity through several distinct mechanisms, while patients often respond to immunotherapy. However, the underlying pathogenesis of these autoantibodies is yet to be fully understood. Human stem cell-based disease modeling, and the rise of induced pluripotent stem cell technology in particular, has revolutionized the fields of disease modeling and therapeutic screening for neurological disorders...
May 1, 2018: Neuroscientist: a Review Journal Bringing Neurobiology, Neurology and Psychiatry
https://www.readbyqxmd.com/read/29779324/-application-of-low-dose-atg-for-gvhd-prophylaxis-in-patients-undergoing-pbsct-aged-over-forty-years-old
#8
C Liang, E L Jiang, J F Yao, Q L Ma, W H Zhai, A M Pang, Y Huang, J L Wei, S Z Feng, M Z Han
Objective: To explore the effectiveness of a novel GVHD prophylaxis regimen containing low-dose anti-T lymphocyte globulin (ATG) in patients undergoing peripheral blood stem cell transplantation (PBSCT) from HLA-matched sibling donors (MSD) given both the patients and donors were aged over forty years old. Methods: From March 2013 to April 2017, 98 patients with hematologic malignancies were enrolled in the study. Standard GVHD prophylaxis consisted of the administration of cyclosporine A/tacrolimus and a short course of methotrexate...
April 14, 2018: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/29779037/expression-of-cancer-stem-cell-markers-cd44-aldh1-and-p75ntr-in-actinic-cheilitis-and-lip-cancer
#9
Marcos Custódio, Cibele Pelissari, Thalita Santana, Marília Trierveiler
PURPOSE: The aim of this work was to evaluate the expression of the cancer stem cell (CSC) markers CD44, ALDH1 and p75NTR in the ultraviolet-induced lesions actinic cheilitis (AC) and lip squamous cell carcinoma (LSCC), and to correlate it with p53 expression. METHODS: Immunohistochemistry was performed in 4 cases of normal lip (NL), 43 of AC and 20 of LSCC. RESULTS: All cases were positive for CD44, showing a membranous staining without differences between the groups...
May 19, 2018: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/29777574/factors-influencing-the-umbilical-cord-blood-stem-cell-industry-an-evolving-treatment-landscape
#10
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/29775646/the-rna-binding-protein-ars2-supports-hematopoiesis-at-multiple-levels
#11
Seerat Elahi, Shawn M Egan, G Aaron Holling, Rachel L Kandefer, Michael J Nemeth, Scott H Olejniczak
Recent biochemical characterization of Arsenic resistance protein 2 (Ars2) has established it as central to determining the fate of nascent RNA polymerase II (RNAPII) transcripts. Through interactions with the nuclear 5'-7-methylguanosine (7mG) cap binding complex (CBC), Ars2 promotes co-transcriptional processing coupled with nuclear export or degradation of several classes of RNAPII transcripts, allowing for gene expression programs that facilitate rapid and sustained proliferation of immortalized cells in culture...
May 15, 2018: Experimental Hematology
https://www.readbyqxmd.com/read/29775645/mesenchymal-stromal-cells-induce-a-permissive-state-in-the-bone-marrow-that-enhances-g-csf-induced-hematopoietic-stem-cell-mobilization-in-mice
#12
Evert-Jan F M de Kruijf, Rob Zuijderduijn, Marjolein C Stip, Willem E Fibbe, Melissa van Pel
Mesenchymal stromal cells (MSC) support hematopoietic stem cells (HSC) in vivo and enhance HSC engraftment and hematopoietic recovery upon co-transplantation with HSC. These data have led to the hypothesis that MSC may impact the HSC niche, leading to changes in HSC retention and trafficking. We studied the effect of MSC administration on the HSC compartment in the bone marrow (BM) in mice. Following injection of MSC, HSC numbers in the BM were decreased coinciding with an increased cell cycle activity compared to PBS-injected controls...
May 15, 2018: Experimental Hematology
https://www.readbyqxmd.com/read/29773496/reflections-on-methodical-approaches-to-hematopoietic-stem-cell-collection-in-children
#13
REVIEW
Claudia Del Fante, Jerard Seghatchian, Cesare Perotti
Pediatric peripheral blood stem cell collection (PBSC) is challenging because it has potentially more side effects than in adults due to the small body mass and unique physiology of children. The extracorporeal volume of the cell separator device, poor venous access and metabolic complications due to citrate toxicity are the main problems to face during PBSC collection. These aspects are more relevant in very low body weight (BW) children of 20 kg or lower. An efficient, experienced and well-prepared team of pediatricians, apheresis physicians and nurses, and physicians involved in CVC positioning is crucial to performing a safe PBSC collection...
May 9, 2018: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/29772357/modelling-the-dorsal-root-ganglia-using-human-pluripotent-stem-cells-a-platform-to-study-peripheral-neuropathies
#14
Serena Viventi, Mirella Dottori
Sensory neurons of the dorsal root ganglia (DRG) are the primary responders to stimuli inducing feelings of touch, pain, temperature, vibration, pressure and muscle tension. They consist of multiple subpopulations based on their morphology, molecular and functional properties. Our understanding of DRG sensory neurons has been predominantly driven by rodent studies and using transformed cell lines, whereas less is known about human sensory DRG neurons simply because of limited availability of human tissue. Although these previous studies have been fundamental for our understanding of the sensory system, it is imperative to profile human DRG subpopulations as it is becoming evident that human sensory neurons do not share the identical molecular and functional properties found in other species...
May 14, 2018: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/29770331/-bauhinia-variegata-candida-fraction-induces-tumor-cell-death-by-activation-of-caspase-3-rip-and-tnf-r1-and-inhibits-cell-migration-and-invasion-in-vitro
#15
K M Santos, I N F Gomes, R J Silva-Oliveira, F E Pinto, B G Oliveira, R C R Chagas, W Romão, R M V Reis, R I M A Ribeiro
Metastasis remains the most common cause of death in cancer patients. Inhibition of metalloproteinases (MMPs) is an interesting approach to cancer therapy because of their role in the degradation of extracellular matrix (ECM), cell-cell, and cell-ECM interactions, modulating key events in cell migration and invasion. Herein, we show the cytotoxic and antimetastatic effects of the third fraction (FR3) from Bauhinia variegata candida (Bvc) stem on human cervical tumor cells (HeLa) and human peripheral blood mononuclear cells (PBMCs)...
2018: BioMed Research International
https://www.readbyqxmd.com/read/29770133/peripheral-blood-stem-cell-mobilization-in-healthy-donors-by-granulocyte-colony-stimulating-factor-causes-preferential-mobilization-of-lymphocyte-subsets
#16
Guro Kristin Melve, Elisabeth Ersvaer, Geir Egil Eide, Einar K Kristoffersen, Øystein Bruserud
Background: Allogeneic hematopoietic stem cell transplantation is associated with a high risk of immune-mediated post-transplant complications. Graft depletion of immunocompetent cell subsets is regarded as a possible strategy to reduce this risk without reducing antileukemic immune reactivity. Study design and methods: We investigated the effect of hematopoietic stem cell mobilization with granulocyte colony-stimulating factor (G-CSF) on peripheral blood and stem cell graft levels of various T, B, and NK cell subsets in healthy donors...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29766024/integrating-hdad5-35-vectors-as-a-new-platform-for-hsc-gene-therapy-of-hemoglobinopathies
#17
Chang Li, Nikoletta Psatha, Hongjie Wang, Manvendra Singh, Himanshu Bhusan Samal, Wenli Zhang, Anja Ehrhardt, Zsuzsanna Izsvák, Thalia Papayannopoulou, André Lieber
We generated an integrating, CD46-targeted, helper-dependent adenovirus HDAd5/35++ vector system for hematopoietic stem cell (HSC) gene therapy. The ∼12-kb transgene cassette included a β-globin locus control region (LCR)/promoter driven human γ-globin gene and an elongation factor alpha-1 (EF1α)-mgmtP140K expression cassette, which allows for drug-controlled increase of γ-globin-expressing erythrocytes. We transduced bone marrow lineage-depleted cells from human CD46-transgenic mice and transplanted them into lethally irradiated recipients...
June 15, 2018: Molecular Therapy. Methods & Clinical Development
https://www.readbyqxmd.com/read/29764770/haploidentical-stem-cell-transplantation-bone-marrow-vs-peripheral-blood
#18
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/29762865/population-pharmacokinetics-of-vancomycin-in-patients-undergoing-allogeneic-hematopoietic-stem-cell-transplantation
#19
Akira Okada, Misato Kariya, Kei Irie, Yutaka Okada, Nobuhiro Hiramoto, Hisako Hashimoto, Ryosuke Kajioka, Chika Maruyama, Hidefumi Kasai, Mami Hamori, Asako Nishimura, Nobuhito Shibata, Keizo Fukushima, Nobuyuki Sugioka
Vancomycin is a commonly used antimicrobial agent for patients undergoing allogeneic hematopoietic stem-cell transplantation (allo-HSCT). Vancomycin has large inter- and intraindividual pharmacokinetic variability, which is mainly described by renal function; various studies have indicated that vancomycin pharmacokinetics are altered in special populations. However, little is known regarding vancomycin pharmacokinetics in patients undergoing allo-HSCT. Therefore, we aimed to develop a population pharmacokinetic (PopPK) model of vancomycin in patients undergoing allo-HSCT for effective and safe antimicrobial therapy and to develop a vancomycin dosing nomogram for a vancomycin optimal-dosing strategy...
May 15, 2018: Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/29762163/transcriptional-gene-silencing-limits-cxcr4-associated-depletion-of-bone-marrow-cd34-cells-in-hiv-1-infection
#20
Tetsuo Tsukamoto
OBJECTIVES: Hematological abnormalities that include changes in bone marrow, such as in anemia and pancytopenia, are common among human immunodeficiency virus (HIV)-infected patients, particularly in the advanced stage of disease. Such abnormalities may be caused by a reduced bone marrow function for hematopoiesis. This aim of this study was to determine whether transcriptional gene silence can help to preserve the hosts' hematopoietic potential in addition to peripheral CD4 T cells against CCR5-tropic HIV infection...
May 11, 2018: AIDS
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