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Stem cells transplantation

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https://www.readbyqxmd.com/read/29679774/comparable-results-of-autologous-and-allogeneic-haematopoietic-stem-cell-transplantation-for-adults-with-philadelphia-positive-acute-lymphoblastic-leukaemia-in-first-complete-molecular-remission-an-analysis-by-the-acute-leukemia-working-party-of-the-ebmt
#1
Sebastian Giebel, Myriam Labopin, Michael Potter, Xavier Poiré, Henrik Sengeloev, Gerard Socié, Anne Huynh, Boris V Afanasyev, Urs Schanz, Olle Ringden, Peter Kalhs, Dietrich W Beelen, Antonio M Campos, Tamás Masszi, Jonathan Canaani, Mohamad Mohty, Arnon Nagler
BACKGROUND: Allogeneic haematopoietic stem cell transplantation (alloHSCT) is considered a standard treatment for patients with Philadelphia chromosome-positive acute lymphoblastic leukaemia (Ph+ ALL) achieving complete remission after induction containing tyrosine kinase inhibitors (TKIs). METHODS: We retrospectively compared results of myeloablative alloHSCT from either matched sibling donor (MSD) or unrelated donor (URD) with autologous (auto) HSCT for adults with Ph+ ALL in molecular remission, treated between 2007 and 2014...
April 18, 2018: European Journal of Cancer
https://www.readbyqxmd.com/read/29679773/distinctive-infectious-complications-in-patients-with-central-nervous-system-lymphoma-undergoing-thiotepa-busulfan-and-cyclophosphamide-tbc-conditioned-autologous-stem-cell-transplantation
#2
Michael Scordo, Sejal M Morjaria, Eric R Littmann, Ankush Bhatia, Helen H Chung, Molly Maloy, Lisa M DeAngelis, Sergio A Giralt, Ying Taur, Craig S Sauter
We investigated the incidence of viral, fungal, bacterial, and parasitic infections observed in 57 patients with central nervous system lymphoma (CNSL) after TBC-ASCT and 79 patients with systemic NHL after traditional BEAM-ASCT. Twenty of 57 (35%) TBC-ASCT patients had detectable viremia with human herpesvirus 6 (HHV-6), cytomegalovirus (CMV), adenovirus (ADV), or BK virus (BKV), versus 9 of 79 (11%) BEAM-ASCT patients. Nine TBC-ASCT patients had clinically relevant viral infections (4 HHV-6, 2 CMV, 1 ADV, 2 BKV), versus 0 in the BEAM-ASCT group...
April 18, 2018: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29679772/efficacy-of-cidofovir-in-treatment-of-bk-virus-induced-hemorrhagic-cystitis-in-post-allogeneic-hematopoietic-cell-transplant-recipients
#3
Eric A Coomes, Amanda Jacques Wolfe, Fotios V Michelis, Dennis Dong-Hwong Kim, Santhosh Thyagu, Auro Viswabandya, Jeffrey H Lipton, Hans A Messner, Uday Deotare
BACKGROUND: BK virus associated hemorrhagic cystitis (BK-HC) is a common complication after allogeneic hematopoietic stem cell transplantation (allo-HCT), with incidence up to 70%. Cidofovir is an antiviral agent with growing evidence as a therapeutic intervention. OBJECTIVE: To assess the safety profile and efficacy of intravenous and intravesical cidofovir in allo-HCT patients with BK-HC. METHODS: Retrospective study of the allo-HCT cohort who received cidofovir for symptomatic BK-HC (hematuria with BK viruria or viremia) from January 2010 until March 2017 in a single transplant center in Ontario, Canada...
April 18, 2018: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29679650/cmv-seronegative-donors-effect-on-clinical-severity-of-cmv-infection-and-reconstitution-of-cmv-specific-immunity
#4
P L J van der Heiden, H M van Egmond, S A J Veld, M van de Meent, M Eefting, L C de Wreede, C J M Halkes, J H F Falkenburg, W A F Marijt, I Jedema
BACKGROUND: Cytomegalovirus (CMV)-specific T-cells are crucial to prevent CMV disease. CMV seropositive recipients transplanted with stem cells from a CMV seronegative allogeneic donor (R+ D- ) may be at risk for CMV disease due to absence of donor CMV-specific memory T-cells in the graft. METHODS: We analyzed the duration of CMV reactivations and the incidence of CMV disease in R+ D- and R+ D+ patients after alemtuzumab-based T-cell depleted allogeneic stem cell transplantation (TCD alloSCT)...
April 18, 2018: Transplant Immunology
https://www.readbyqxmd.com/read/29679523/the-incidence-of-tuberculosis-infection-in-hematopoietic-stem-cell-transplantation-recipients-a-retrospective-cohort-study-from-a-center-in-turkey
#5
Şahika Zeynep Akı, Gülsan Türköz Sucak, Özlem Güzel Tunçcan, Nurdan Köktürk, Esin Şenol
Our results question the role of TST due to low specificity and sensitivity in regions where BCG is mandatory and in patients with hematologic malignancies and suggest that these general guidelines do not seem to apply to all situations. This article is protected by copyright. All rights reserved.
April 21, 2018: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/29679436/fungal-infections-in-hematopoietic-stem-cell-transplantation-in-children-at-a-pediatric-children-s-hospital-in-argentina
#6
Sergio Miguel Gomez, Miguela Caniza, Alicira Fynn, Cecilia Vescina, Claudia Ruiz, Daniela Iglesias, Fernanda Sosa, Lillian Sung
Our primary objective was to describe the incidence of proven or probable invasive fungal infections (IFIs), a devastating complication of hematopoietic stem cell transplant (HSCT), in HCST in a middle-income country. Secondary objectives were to describe factors associated with IFIs and outcomes. In this single center retrospective study, pediatric patients who underwent a first allogeneic or autologous HSCT from 1998 to 2016 were included. Of the 251 HSCT recipients: 143 transplants were allogeneic and 108 were autologous...
April 20, 2018: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/29679424/lomentospora-prolificans-fungemia-in-hematopoietic-stem-cell-transplant-patients-first-report-in-south-america-and-literature-review
#7
Fernando D Penteado, Nadia Litvinov, Jaques Sztajnbok, Danilo Y Thomaz, Antonio M Dos Santos, Dewton M Vasconcelos, Adriana L Motta, Flávia Rossi, Juliana F Fernandes, Heloisa Helena S Marques, Gil Benard, João N de Almeida Júnior
Lomentospora prolificans is a filamentous fungus and an emerging pathogen in immunocompromised patients. It is encountered most commonly in Australia, Spain, and USA. We described the first case of Lomentospora prolificans fungemia in South America. The patient was a hematopoietic stem cell transplantation (HSCT) recipient who developed the infection 37 days after stem cells infusion. In addition, we performed a literature review of invasive lomentosporiosis in HSCT patients. This article is protected by copyright...
April 20, 2018: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/29679328/high-throughput-formation-of-mesenchymal-stem-cell-spheroids-and-entrapment-in-alginate-hydrogels
#8
Charlotte E Vorwald, Steve S Ho, Jacklyn Whitehead, J Kent Leach
Mesenchymal stem cells (MSCs) are a promising cell source for tissue repair and regeneration due to their multilineage capacity, potential for autologous use, and secretion of potent bioactive factors to catalyze the endogenous repair program. However, a major limitation to current cell-based tissue engineering approaches is the drastic loss of cells upon transplantation. The causation of this loss, whether due to apoptosis following a dramatic change in the microenvironment or migration away from the defect site, has yet to be determined...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29678639/transplant-outcomes-for-secondary-acute-myeloid-leukemia-alwp-of-the-ebmt-study
#9
Salyka Sengsayadeth, Myriam Labopin, Ariane Boumendil, Finke Jürgen, Ganser Arnold, Stelljes Matthias, Ehninger Gerhard, Beelen Dietrich, Niederwieser Dietger, Blaise Didier, Dreger Peter, Ghulam Mufti, Chevallier Patrice, Audrey Mailhol, Katie S Gatwood, Norbert Gorin, Jordi Esteve, Fabio Ciceri, Frederic Baron, Christoph Schmid, Sebastian Giebel, Mohamad Mohty, Bipin N Savani, Arnon Nagler
Secondary acute myeloid leukemia (sAML) has been associated with inferior outcomes compared to de novo AML. Little is known about patient risk factors and outcomes in sAML after allogeneic hematopoietic stem cell transplantation (HCT), thus this large systemic analysis of the EBMT registry was performed. This study included 4997 patients with sAML who received HCT from 2000-2016. In univariate analysis, the 2-year cumulative incidence of chronic graft versus host disease (GVHD), relapse (RI), and non-relapse mortality (NRM) were 33...
April 17, 2018: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29678638/comprehensive-analysis-of-the-activation-and-proliferation-kinetics-and-effector-functions-of-human-lymphocytes-and-antigen-presentation-capacity-of-antigen-presenting-cells-in-xenogeneic-graft-versus-host-disease
#10
Yasufumi Kawasaki, Kazuya Sato, Hiroko Hayakawa, Norihito Takayama, Hirofumi Nakano, Ryoji Ito, Kiyomi Mashima, Iekuni Oh, Daisuke Minakata, Ryoko Yamasaki, Kaoru Morita, Masahiro Ashizawa, Chihiro Yamamoto, Kaoru Hatano, Shin-Ichiro Fujiwara, Ken Ohmine, Kazuo Muroi, Yoshinobu Kanda
Xenogeneic graft-versus-host disease (GVHD) models in highly immunodeficient mice are currently being used worldwide to investigate human immune responses against foreign antigens in vivo. However, the individual roles of CD4+ and CD8+ T-cells, and donor/host hematopoietic and non-hematopoietic antigen-presenting cells (APCs) in the induction and development of GVHD have not been fully investigated. In the present study, we comprehensively investigated the immune responses of human T-cells and the antigen presentation capacity of donor/host hematopoietic and non-hematopoietic APCs in xenogeneic GVHD models using NOD/Shi-scid-IL2rgnull (NOG) mice...
April 17, 2018: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29678553/recipient-and-donor-cells-in-the-graft-versus-solid-tumor-effect-it-takes-two-to-tango
#11
REVIEW
Isabelle Dierckx de Casterlé, An D Billiau, Ben Sprangers
Allogeneic hematopoietic stem cell transplantation (alloHSCT) produces -similar to the long-established graft-versus-leukemia effect- graft-versus-solid-tumor effects. Clinical trials reported response rates of up to 53%, occurring mostly but not invariably in association with full donor chimerism and/or graft-versus-host disease. Although donor-derived T cells are considered the principal effectors of anti-tumor immunity after alloHSCT or donor leukocyte infusion (DLI), growing evidence indicate that recipient-derived immune cells may also contribute...
April 12, 2018: Blood Reviews
https://www.readbyqxmd.com/read/29678523/safety-and-efficacy-of-mesenchymal-stem-cells-for-radiation-induced-xerostomia-a-randomized-placebo-controlled-phase-1-2-trial-mesrix
#12
Christian Grønhøj, David H Jensen, Peter Vester-Glowinski, Siri Beier Jensen, Allan Bardow, Roberto S Oliveri, Lea Munthe Fog, Lena Specht, Carsten Thomsen, Sune Darkner, Michael Jensen, Vera Müller, Katalin Kiss, Tina Agander, Elo Andersen, Anne Fischer-Nielsen, Christian von Buchwald
BACKGROUND: Salivary gland hypofunction and xerostomia are major complications to head and neck radiotherapy. This trial assessed the safety and efficacy of adipose tissue-derived mesenchymal stem cell (ASC) therapy for radiation-induced xerostomia. PATIENT AND METHODS: This randomized, placebo-controlled phase 1/2 trial included 30 patients, randomized in a 1:1 ratio to receive ultrasound-guided transplantation of ASCs or placebo to the submandibular glands. Patients had previously received radiotherapy for a T1-2, N0-2A, human papillomavirus-positive, oropharyngeal squamous cell carcinoma...
March 6, 2018: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/29678144/interferon-alpha-as-antiviral-therapy-in-chronic-active-epstein-barr-virus-disease-with-interstitial-pneumonia-case-report
#13
Jacek Roliński, Ewelina Grywalska, Aleksandra Pyzik, Michał Dzik, Violetta Opoka-Winiarska, Agata Surdacka, Maciej Maj, Franciszek Burdan, Michał Pirożyński, Piotr Grabarczyk, Elżbieta Starosławska
BACKGROUND: Chronic active Epstein-Barr virus (EBV) disease (CAEBV) is defined as a severe, progressive lymphoproliferative disorder associated with active EBV infection persisting longer than 6 months and developing in patients without recognised immunodeficiency. Rarely, interstitial pneumonitis (IP) occurs as a serious complication in CAEBV patients. The standard therapeutic regimen for IP in CAEBV has not yet been defined. Although interferon alpha (IFN-alpha) is known to suppress viral DNA replication by affecting its basal promoter activation process, it is rarely used in CAEBV patients...
April 20, 2018: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29677915/xploit-an-ontology-based-data-integration-platform-supporting-the-development-of-predictive-models-for-personalized-medicine
#14
Gabriele Weiler, Ulf Schwarz, Jochen Rauch, Kerstin Rohm, Thorsten Lehr, Stefan Theobald, Stephan Kiefer, Katharina Götz, Katharina Och, Nico Pfeifer, Lisa Handl, Sigrun Smola, Matthias Ihle, Amin T Turki, Dietrich W Beelen, Jürgen Rissland, Jörg Bittenbring, Norbert Graf
Predictive models can support physicians to tailor interventions and treatments to their individual patients based on their predicted response and risk of disease and help in this way to put personalized medicine into practice. In allogeneic stem cell transplantation risk assessment is to be enhanced in order to respond to emerging viral infections and transplantation reactions. However, to develop predictive models it is necessary to harmonize and integrate high amounts of heterogeneous medical data that is stored in different health information systems...
2018: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/29677078/therapeutic-outcomes-of-haploidentical-allogeneic-hematopoietic-stem-cell-transplantation-in-patients-with-severe-aplastic-anemia-a-multicenter-study
#15
Yonghua Li, Fengqi Duan, Haowen Xiao, Xiaoxiong Wu, Shunqing Wang, Duorong Xu, Qifa Liu, Zhiping Fan, Danian Nie, Yongrong Lai, Bingyi Wu, Dongjun Lin, Xin Du, Jianyu Weng, Xin Du, Zujun Jiang, Yan Pang, Lin Ouyang, Zenghui Liu, Leqin Zhang, Na Han, Lixuan Chen, Yang Xiao
BACKGROUND: Haploidentical donor allogeneic hematopoietic stem cell transplantation (HID-HSCT) is an alternative curative treatment for patients with severe aplastic anemia (SAA) who do not have suitable matched related donors (MRD). The aim of this study was to compare the therapeutic outcomes of HID-HSCT with those of MRD-HSCT for SAA. METHODS: A total of 235 SAA patients who underwent HID-HSCT (116) or MRD-HSCT (119) at 11 transplantation centers from January 2007 to January 2016 were included...
April 19, 2018: Transplantation
https://www.readbyqxmd.com/read/29677072/state-of-the-art-role-of-the-dendritic-cell-in-induction-of-allograft-tolerance
#16
Sarah J Rosen, Paul E Harris, Mark A Hardy
Despite decades of research, the induction and maintenance of long-term allograft tolerance without immunosuppression remains an elusive goal in the field of solid organ and cell transplantation. Immunosuppressive medications frequently prevent or minimize acute cellular rejection but have failed to halt anti-donor antibody production and chronic organ rejection. Past efforts aimed at promoting lasting allograft tolerance have focused primarily on peripheral T cell depletion, augmentation of regulatory T cells, or induction via simultaneous hematopoietic stem cell transplantation and facilitation of donor chimerism...
April 19, 2018: Transplantation
https://www.readbyqxmd.com/read/29676020/chronic-neutrophilic-leukemia-an-extremely-rare-cause-of-neutrophilia-in-childhood-cure-with-hematopoietic-stem-cell-transplantation
#17
Vedat Uygun, Hayriye Daloğlu, Seda Öztürkmen, Gülsün Karasu, Zekai Avcı, Akif Yeşilipek
CNL is a rare myeloproliferative disorder frequently seen in older adults. A significant proportion of patients show progression to AML. Here, we report the case of a patient with FA who was monitored for leukopenia but who developed leukocytosis during the follow-up and was diagnosed with CNL probably after an acquired CSF3R mutation. Because the patient had FA, which could accelerate the progression to AML, an HSCT was performed, which resulted in cure. This patient (aged 12 years) is one of the youngest patients reported to develop CNL as well as the first FA patient with a diagnosis of CNL...
April 19, 2018: Pediatric Transplantation
https://www.readbyqxmd.com/read/29675776/pluripotent-stem-cells-for-retinal-tissue-engineering-current-status-and-future-prospects
#18
REVIEW
Ratnesh Singh, Oscar Cuzzani, François Binette, Hal Sternberg, Michael D West, Igor O Nasonkin
The retina is a very fine and layered neural tissue, which vitally depends on the preservation of cells, structure, connectivity and vasculature to maintain vision. There is an urgent need to find technical and biological solutions to major challenges associated with functional replacement of retinal cells. The major unmet challenges include generating sufficient numbers of specific cell types, achieving functional integration of transplanted cells, especially photoreceptors, and surgical delivery of retinal cells or tissue without triggering immune responses, inflammation and/or remodeling...
April 19, 2018: Stem Cell Reviews
https://www.readbyqxmd.com/read/29675734/co-culture-system-of-hepatocytes-and-endothelial-cells-two-in-vitro-approaches-for-enhancing-liver-specific-functions-of-hepatocytes
#19
Gaoxiong Wang, Youshi Zheng, Yingchao Wang, Zhixiong Cai, Naishun Liao, Jingfeng Liu, Wenmin Zhang
Although hepatocyte transplantation and bioartificial liver support system provide new promising opportunities for those patients waiting for liver transplantation, hepatocytes are easily losing liver-specific functions by using the common in vitro cultured methods. The co-culture strategies with mimicking the in vivo microenvironment would facilitate the maintenance of liver-specific functions of hepatocytes. Considering that hepatocytes and endothelial cells (ECs) account for 80-90% of total cell populations in the liver, hepatocytes and ECs were directly co-cultured with hepatic stellate cells (HSCs) or adipose tissue-derived stem cells (ADSCs) at a ratio of 700:150:3 or 14:3:3 in the present study, and the liver-specific functions were carefully analyzed...
April 19, 2018: Cytotechnology
https://www.readbyqxmd.com/read/29675688/everyone-has-a-donor-contribution-of-the-chinese-experience-to-global-practice-of-haploidentical-hematopoietic-stem-cell-transplantation
#20
REVIEW
Meng Lv, Yingjun Chang, Xiaojun Huang
Human leukocyte antigen (HLA)-matched donors for hematopoietic stem cell transplantation (HSCT) have long been scarce in China. Haploidentical (haplo) donors are available for the vast majority of patients, but toxicity has limited this approach. Three new approaches for haplo-HSCT originated from Italy, China, and USA in 1990 and have been developed to world-renowned system up to now. The Chinese approach have been greatly improved by implementing new individualized conditioning regimens, donor selection based on non-HLA systems, risk-directed strategies for graft-versus-host disease and relapse, and infection management...
April 19, 2018: Frontiers of Medicine
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