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Stem cell transplant harvest

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https://www.readbyqxmd.com/read/27914026/limbal-stem-cell-and-oral-mucosal-epithelial-transplantation-from-ex-vivo-cultivation-in-lscd-induced-rabbits-histology-and-immunologic-study-of-the-transplant-epithelial-sheet
#1
Napaporn Tananuvat, Kanokkan Bumroongkit, Chainarong Tocharusa, Umnat Mevatee, Aphisek Kongkaew, Somsanguan Ausayakhun
PURPOSE: To evaluate the results of cultivated limbal epithelial and oral mucosal epithelial transplantation (CLET and COMET) in limbal stem cell deficiency (LSCD)-induced rabbit model. MATERIALS AND METHODS: Six New Zealand white rabbits were divided into two groups of three rabbits each. Limbal tissue was harvested from the first group, and oral mucosal biopsy was obtained from the second group. The tissues were cultured using an explant technique with amniotic membrane as a substrate and co-culture with the 3T3 fibroblast and air-lifting method...
December 2, 2016: International Ophthalmology
https://www.readbyqxmd.com/read/27863757/is-it-feasible-to-use-granulocyte-colony-stimulating-factor-alone-to-mobilize-progenitor-cells-in-multiple-myeloma-patients-induced-with-a-cyclophosphamide-thalidomide-and-dexamethasone-regimen
#2
Edvan de Queiroz Crusoe, Fabiana Higashi, Gracia Aparecida Martinez, José Carlos Barros, Marcelo Bellesso, Marina Rossato, Ana Cinira F Marret, Carlos Sérgio Chiattone, Vania Tietsch de Moraes Hungria
BACKGROUND: Cyclophosphamide plus thalidomide as induction for multiple myeloma patients eligible for autologous stem cell transplantation may be a limiting factor for cell mobilization. The minimum acceptable mobilized peripheral blood stem cell count to prevent deleterious effects during transplantation is 2.0×10(6) CD34(+) cells/kg. Combining other treatments to granulocyte-colony stimulating factor, such as cyclophosphamide, could overcome the mobilization limitation. The objective of this study was to assess the number of CD34(+) cells mobilized using granulocyte-colony stimulating factor with and without cyclophosphamide after induction with cyclophosphamide, thalidomide and dexamethasone...
October 2016: Revista Brasileira de Hematologia e Hemoterapia
https://www.readbyqxmd.com/read/27853939/wharton-s-jelly-mesenchymal-stromal-cells-as-a-feeder-layer-for-the-ex-vivo-expansion-of-hematopoietic-stem-and-progenitor-cells-a-review
#3
REVIEW
Melania Lo Iacono, Rita Anzalone, Giampiero La Rocca, Elena Baiamonte, Aurelio Maggio, Santina Acuto
In recent years, umbilical cord blood (UCB) has been widely used as an alternative source to bone marrow (BM) for transplantation of hematopoietic stem and progenitor cells (HSPCs) in a variety of hematological and non-hematological disorders. Nevertheless, the insufficient number of UCB-HSPCs for graft represents a major challenge. HSPCs ex vivo expansion prior to transplantation is a valid strategy to overcome this limit. Several attempts to optimize the expansion conditions have been reported, including the use of mesenchymal stromal cells (MSCs) as feeder layer...
November 16, 2016: Stem Cell Reviews
https://www.readbyqxmd.com/read/27832825/heterogeneity-of-proangiogenic-features-in-mesenchymal-stem-cells-derived-from-bone-marrow-adipose-tissue-umbilical-cord-and-placenta
#4
Wen Jing Du, Ying Chi, Zhou Xin Yang, Zong Jin Li, Jun Jie Cui, Bao Quan Song, Xue Li, Shao Guang Yang, Zhi Bo Han, Zhong Chao Han
BACKGROUND: Mesenchymal stem cells (MSCs) have been widely proven effective for therapeutic angiogenesis in ischemia animal models as well as clinical vascular diseases. Because of the invasive method, limited resources, and aging problems of adult tissue-derived MSCs, more perinatal tissue-derived MSCs have been isolated and studied as promising substitutable MSCs for cell transplantation. However, fewer studies have comparatively studied the angiogenic efficacy of MSCs derived from different tissues sources...
November 10, 2016: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/27813281/factors-associated-with-bone-marrow-stem-cell-yield-for-pediatric-allogeneic-stem-cell-transplantation-the-impact-of-donor-characteristics
#5
Ali Fettah, Namık Özbek, Meltem Özgüner, Fatih Azık, Pamir Işık, Zekai Avcı, Neşe Yaralı, Duygu Uçkan, Bahattin Tunç
The aim of this study was to investigate the effects of donor characteristics on CD34(+) cell yield in BM harvest. Between April 2010 and November 2013, consecutive donors who underwent BM harvesting in our BM transplantation unit were retrospectively investigated. Donors were classified into two groups: those who donated BM without mobilization (steady-state BM donors) and those who received G-CSF for stem cell mobilization (G-CSF-primed BM donors). Donor characteristics (age, gender, race, body weight, BMI, and laboratory factors including donor's leukocyte, platelet, and monocyte) and their relationship with total nuclear cell and CD34(+) cell numbers has been evaluated...
November 4, 2016: Pediatric Transplantation
https://www.readbyqxmd.com/read/27805430/injectable-biomaterials-for-stem-cell-delivery-and-tissue-regeneration
#6
Zhanpeng Zhang
Organ dysfunction and failure are major health issues affecting millions of patients, many of whom are desperate for organ transplantation. Tissue regeneration aims at providing alternative solutions through innovative application of cell biology and materials engineering to clinical practice. Biomaterials play a critical role in tissue engineering, which interface with both cell biology and surgical procedures. Injectable stem cell carriers represent a promising platform to harvest the therapeutic effects of cells and to simplify the surgical process...
November 2, 2016: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/27792717/-comparison-of-the-effectiveness-of-hematopoietic-cell-mobilization-with-chemotherapy-and-filgrastim-versus-filgrastim-alone-for-autologous-transplant-in-patients-with-lymphoma
#7
César Homero Gutiérrez-Aguirre, Fernando De la Garza-Salazar, Olga Cantú-Rodríguez, Óscar González-Llano, José C Jaime-Pérez, Consuelo Mancias-Guerra, Ricardo García-Sepúlveda, Rosario Salazar-Riojas, David Gómez-Almaguer
INTRODUCTION: Autologous hematopoietic stem cell transplantation is the treatment of choice for high-risk Hodgkin's lymphoma and non-Hodgkin's lymphoma. OBJECTIVE: Compare the capacity to mobilize CD34+ cells for autologous hematopoietic stem cell transplantation using schemes with chemotherapy and without chemotherapy plus filgrastim in patients diagnosed with Hodgkin's lymphoma or non-Hodgkin's lymphoma. MATERIAL AND METHODS: The clinical records of patients with Hodgkin's lymphoma or non-Hodgkin's lymphoma who received an autologous hematopoietic stem cell transplant were analyzed retrospectively...
October 2016: Gaceta Médica de México
https://www.readbyqxmd.com/read/27788708/-role-of-neutrophils-in-treatment-of-rats-with-d-galactosamine-induced-acute-liver-failure-with-bone-marrow-mesenchymal-stem-cells
#8
X Zhao, X L Shi, Z H Zhang, H C Ma, X W Yuan, Y T Ding
Objective: To investigate the therapeutic effect of bone marrow mesenchymal stromal cell (BMSC) transplantation on D-galactosamine-induced acute liver failure in Sprague-Dawley (SD) rats, as well as the mechanism of neutrophils in this process. Methods: A total of 39 male SD rats were divided into control group (8 rats, intraperitoneal injection of isotonic saline), model group (10 rats, intraperitoneal injection of D-galactosamine), solvent group (9 rats, tail vein injection of isotonic saline at 2 hours after intraperitoneal injection of D-galactosamine), and treatment group (12 rats, tail vein injection of MSCs at 2 hours after intraperitoneal injection of D-galactosamine)...
August 20, 2016: Zhonghua Gan Zang Bing za Zhi, Zhonghua Ganzangbing Zazhi, Chinese Journal of Hepatology
https://www.readbyqxmd.com/read/27774657/transplantation-of-amniotic-membrane-derived-multipotent-cells-ameliorates-and-delays-the-progression-of-chronic-kidney-disease-in-cats
#9
A S Vidane, A O Pinheiro, J B Casals, D Passarelli, McFns Hage, R S Bueno, D S Martins, C E Ambrósio
Chronic kidney disease (CKD) is a common clinical condition in domestic cats, characterized by tubulointerstitial, vascular and glomerular inflammation and severe fibrosis. Studies in rodent model of induced CKD have shown a decrease and stabilization of the clinical condition. In this study was evaluated the safety and effect of intrarenal and intravenous infusion of allogeneic mesenchymal stem cells (AMSCs) derived from feline amniotic membrane in cats with naturally occurring CKD. Cat AMSCs were harvested after mechanical and enzymatic digestion of amnion...
October 23, 2016: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/27770834/preclinical-study-of-mouse-pluripotent-parthenogenetic-embryonic-stem-cell-derivatives-for-the-construction-of-tissue-engineered-skin-equivalent
#10
Yang Rao, Jihong Cui, Lu Yin, Wei Liu, Wenguang Liu, Mei Sun, Xingrong Yan, Ling Wang, Fulin Chen
BACKGROUND: Embryonic stem cell (ESC) derivatives hold great promise for the construction of tissue-engineered skin equivalents (TESE). However, harvesting of ESCs destroys viable embryos and may lead to political and ethical concerns over their application. In the current study, we directed mouse parthenogenetic embryonic stem cells (pESCs) to differentiate into fibroblasts, constructed TESE, and evaluated its function in vivo. METHODS: The stemness marker expression and the pluripotent differentiation ability of pESCs were tested...
October 22, 2016: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/27765663/comprehensive-technical-and-patient-care-optimization-in-the-management-of-pediatric-apheresis-for-peripheral-blood-stem-cell-harvesting
#11
Yoshihiro Ohara, Hitoshi Ohto, Tetsunori Tasaki, Hideki Sano, Kazuhiro Mochizuki, Mitsuko Akaihata, Shogo Kobayashi, Tomoko Waragai, Masaki Ito, Mitsuaki Hosoya, Kenneth E Nollet, Kazuhiko Ikeda, Chitose Ogawa, Takahiro Kanno, Yayoi Shikama, Atsushi Kikuta
BACKGROUND: Pediatric apheresis for peripheral blood stem cell transplantation should be carried out with due concern for low corporeal blood volume and vulnerability to hypocalcemia-related complications, hypovolemic shock, and hypervolemic cardiac overload. STUDY DESIGN AND METHODS: We retrospectively investigated a total of 267 apheresis procedures from 1990 to 2013 on 93 children between 0 and 10 years old, including 89 patients and 4 healthy donors, with body weights of 6...
September 30, 2016: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/27765088/-effects-of-local-transplantation-of-autologous-adipose-derived-mesenchymal-stem-cells-on-the-formation-of-hyperplastic-scar-on-rabbit-ears
#12
L Chen, D L Wang, Z R Wei, B Wang, J P Qi, G F Sun
Objective: To investigate the effects of local transplantation of autologous adipose-derived mesenchymal stem cells (ADSCs) on the formation of hyperplastic scar on rabbit ears. Methods: ADSCs were isolated from inguinal fat of six New Zealand rabbits and then sub-cultured. ADSCs of the third passage of each rabbit were used in the following experiments. Six full-thickness skin defect wounds with diameter of 6 mm on the ventral surface of every rabbit ear were made. Wound healing and local-tissue proliferation were observed, and complete epithelization time of wounds and formation time of hyperplastic scar were recorded...
October 20, 2016: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/27723450/fully-automated-clinical-grade-bone-marrow-processing-a-single-centre-experience
#13
Benedetta Mazzanti, Serena Urbani, Simone Dal Pozzo, Paola Bufano, Lara Ballerini, Alessia Gelli, Irene Sodi, Irene Donnini, Massimo Di Gioia, Stefano Guidi, Julien Camisani, Riccardo Saccardi
BACKGROUND: Clinical grade processing of harvested bone marrow is required in various clinical situations, particularly in the management of ABO mismatching in allogeneic haematopoietic stem cell transplantation (HSCT) and in regenerative medicine. MATERIAL AND METHODS: We report a single-centre experience using a fully automated, clinical grade, closed system (Sepax, Biosafe, Switzerland). From 2003 to 2015, 125 procedures were performed in our laboratory, including buffy-coat production for HSCT (n=58), regenerative medicine in an orthopaedic setting (n=54) and density-gradient separation in a trial for treatment of critical limb ischaemia (n=13)...
September 27, 2016: Blood Transfusion, Trasfusione del Sangue
https://www.readbyqxmd.com/read/27688844/transplantation-of-scaffold-free-cartilage-like-cell-sheets-made-from-human-bone-marrow-mesenchymal-stem-cells-for-cartilage-repair-a-preclinical-study
#14
Maki Itokazu, Shigeyuki Wakitani, Hisashi Mera, Yoshihiro Tamamura, Yasushi Sato, Mutsumi Takagi, Hiroaki Nakamura
OBJECTIVE: The object of this study was to determine culture conditions that create stable scaffold-free cartilage-like cell-sheets from human bone marrow-derived mesenchymal stem cells (hBMSCs) and to assess their effects after transplantation into osteochondral defects in nude rats. DESIGN: (Experiment 1) The hBMSCs were harvested from 3 males, the proliferative and chondrogenic capacities were assessed at passage 1, and the cells were expanded in 3 different culture conditions: (1) 5% fetal bovine serum (FBS), (2) 10% FBS, and (3) 5% FBS with fibroblast growth factor 2 (FGF-2)...
October 2016: Cartilage
https://www.readbyqxmd.com/read/27688610/newly-established-stem-cell-transplant-program-100-days-follow-up-of-patients-and-its-comparison-with-published-indian-literature
#15
Aseem Kumar Tiwari, Dinesh Arora, Ravi C Dara, Pranav Dorwal, Nitin Sood, Ruchira Misra, Sunil Kumar Gupta, Vimarsh Raina, Ashok Kumar Vaid
BACKGROUND: Hematopoietic progenitor stem cell transplantation (HPSCT) is used as a standard treatment option to improve outcome in hematological and nonhematological disorders. It is important for new HPSCT program to look at its patient outcome data and compare it with the published data to evaluate the efficacy of program. AIMS: The aim was to compile and collate the patient outcome data of HPSCT and compare with published reports. MATERIALS AND METHODS: Patient demographics, indications, stem cell harvest by apheresis, dose collected, infusion, engraftment, and follow-up data were collected from hospital information system from 2010 to 2013 in a tertiary care hospital...
July 2016: Indian Journal of Medical and Paediatric Oncology
https://www.readbyqxmd.com/read/27665215/corneal-epithelial-stem-cells-repopulate-the-donor-area-within-1-year-from-limbus-removal-for-limbal-autograft
#16
Massimo Busin, Claudia Breda, Marina Bertolin, Cristina Bovone, Diego Ponzin, Stefano Ferrari, Vanessa Barbaro, Hossein Mostafa Elbadawy
PURPOSE: To determine whether limbal epithelial stem cells (LESCs) repopulate the site harvested for limbal autograft transplantation (LAT), the expression of LESCs markers was evaluated in bioptic specimens obtained from the donor area 12 months or more after surgery. DESIGN: Interventional case series. PARTICIPANTS: Patients who underwent LAT for unilateral acquired limbal stem cell deficiency after chemical burn. METHODS: Corneal limbal explants were obtained from 2 sites, the harvested area and the untouched control area, in the donor eyes of 6 patients who previously underwent LAT for unilateral acquired limbal stem cell deficiency after chemical burn...
September 21, 2016: Ophthalmology
https://www.readbyqxmd.com/read/27665155/factors-affecting-the-cd34-cell-yields-from-the-second-donations-of-healthy-donors-the-steady-state-lymphocyte-count-is-a-good-predictive-factor
#17
Zhi-Ping Guo, Tao Wang, Lan-Ping Xu, Xiao-Hui Zhang, Yu Wang, Xiao-Jun Huang, Ying-Jun Chang
BACKGROUND: A second allogeneic hematopoietic stem-cell transplantation and donor lymphocyte infusion using cells from the same donor is a therapeutic option in the case of stem-cell graft failure or disease relapse, but little is known about the factors associated with the CD34(+) cell yields from second donations. METHODS: One-hundred healthy donors who underwent a second mobilization treatment and peripheral blood stem-cell (PBSC) collection were studied. For both mobilization processes, 5 µg of granulocyte colony-stimulating factor per kg per day was administered...
August 26, 2016: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/27641463/-high-dose-chemotherapy-as-a-strategy-to-overcome-drug-resistance-in-solid-tumors
#18
Frédéric Selle, Joseph Gligorov, Daniele G Soares, Jean-Pierre Lotz
The concept of high-doses chemotherapy was developed in the 1980s based on in vitro scientific observations. Exposure of tumor cells to increasing concentrations of alkylating agents resulted in increased cell death in a strong dose-response manner. Moreover, the acquired resistance of tumor cells could be overcome by dose intensification. In clinic, dose intensification of alkylating agents resulted in increased therapeutic responses, however associated with significant hematological toxicity. Following the development of autologous stem cells transplantation harvesting from peripheral blood, the high-doses of chemotherapy, initially associated with marked toxic effects, could be more easily tolerated...
September 15, 2016: Bulletin du Cancer
https://www.readbyqxmd.com/read/27640002/comparison-of-two-dose-levels-of-cyclophosphamide-for-successful-stem-cell-mobilization-in-myeloma-patients
#19
Nils Winkelmann, Max Desole, Inken Hilgendorf, Thomas Ernst, Herbert G Sayer, Christa Kunert, Lars-Olof Mügge, Andreas Hochhaus, Sebastian Scholl
INTRODUCTION: Even in the era of proteasome inhibitors and immunomodulatory drugs, the autologous stem cell transplantation after high-dose melphalan continues to represent a standard approach for myeloma patients in first-line therapy. Different mobilization chemotherapies before stem cell apheresis have been published while cyclophosphamide at a dose level of up to 4 g/m(2) has been evaluated and is commonly applied. In contrast, lower dose levels of cyclophosphamide (e.g., 1.5 g/m(2)) did not result in a sufficient collection of stem cells...
September 17, 2016: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/27638341/diverse-impact-of-xeno-free-conditions-on-biological-and-regenerative-properties-of-huc-mscs-and-their-extracellular-vesicles
#20
Sylwia Bobis-Wozowicz, Katarzyna Kmiotek, Karolina Kania, Elzbieta Karnas, Anna Labedz-Maslowska, Malgorzata Sekula, Sylwia Kedracka-Krok, Jacek Kolcz, Dariusz Boruczkowski, Zbigniew Madeja, Ewa K Zuba-Surma
: Growing evidence indicates that intracellular signaling mediated by extracellular vesicles (EVs) released by stem cells plays a considerable role in triggering the regenerative program upon transplantation. EVs from umbilical cord mesenchymal stem cells (UC-MSC-EVs) have been shown to enhance tissue repair in animal models. However, translating such results into clinical practice requires optimized EV collection procedures devoid of animal-originating agents. Thus, in this study, we analyzed the influence of xeno-free expansion media on biological properties of UC-MSCs and UC-MSC-EVs for future applications in cardiac repair in humans...
September 16, 2016: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
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