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Allogenic stem cell transplant

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https://www.readbyqxmd.com/read/29456530/donor-genotype-in-the-interleukin-7-receptor-%C3%AE-chain-predicts-risk-of-graft-versus-host-disease-and-cytomegalovirus-infection-after-allogeneic-hematopoietic-stem-cell-transplantation
#1
Katrine Kielsen, Christian Enevold, Carsten Heilmann, Henrik Sengeløv, Anders Elm Pedersen, Lars P Ryder, Klaus Müller
The efficacy of allogeneic hematopoietic stem cell transplantation (HSCT) is challenged by acute and chronic graft-versus-host disease (aGVHD and cGVHD) and viral infections due to long-lasting immunodeficiency. Interleukin-7 (IL-7) is a cytokine essential for de novo T cell generation in thymus and peripheral T cell homeostasis. In this study, we investigated the impact of the single nucleotide polymorphism rs6897932 in the IL-7 receptor α-chain (IL-7Rα) which has previously been associated with several autoimmune diseases...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29456159/cd150-high-bone-marrow-tregs-maintain-hematopoietic-stem-cell-quiescence-and-immune-privilege-via-adenosine
#2
Yuichi Hirata, Kazuhiro Furuhashi, Hiroshi Ishii, Hao Wei Li, Sandra Pinho, Lei Ding, Simon C Robson, Paul S Frenette, Joji Fujisaki
A crucial player in immune regulation, FoxP3+ regulatory T cells (Tregs) are drawing attention for their heterogeneity and noncanonical functions. Here, we describe a Treg subpopulation that controls hematopoietic stem cell (HSC) quiescence and engraftment. These Tregs highly expressed an HSC marker, CD150, and localized within the HSC niche in the bone marrow (BM). Specific reduction of BM Tregs achieved by conditional deletion of CXCR4 in Tregs increased HSC numbers in the BM. Adenosine generated via the CD39 cell surface ectoenzyme on niche Tregs protected HSCs from oxidative stress and maintained HSC quiescence...
February 7, 2018: Cell Stem Cell
https://www.readbyqxmd.com/read/29455936/engineering-a-clinically-translatable-bioartificial-pancreas-to-treat-type-i-diabetes
#3
REVIEW
Gorka Orive, Dwaine Emerich, Ali Khademhosseini, Shinichi Matsumoto, R M Hernández, J L Pedraz, Tejal Desai, Riccardo Calafiore, Paul de Vos
Encapsulating, or immunoisolating, insulin-secreting cells within implantable, semipermeable membranes is an emerging treatment for type 1 diabetes. This approach can eliminate the need for immunosuppressive drug treatments to prevent transplant rejection and overcome the shortage of donor tissues by utilizing cells derived from allogeneic or xenogeneic sources. Encapsulation device designs are being optimized alongside the development of clinically viable, replenishable, insulin-producing stem cells, for the first time creating the possibility of widespread therapeutic use of this technology...
February 15, 2018: Trends in Biotechnology
https://www.readbyqxmd.com/read/29455235/enlarged-spleen-is-associated-with-low-neutrophil-and-platelet-engraftment-rates-and-poor-survival-after-allogeneic-stem-cell-transplantation-in-patients-with-acute-myeloid-leukemia-and-myelodysplastic-syndrome
#4
Yoshimitsu Shimomura, Masahiko Hara, Daisuke Katoh, Hisako Hashimoto, Takayuki Ishikawa
Primary graft failure can be a cause of early morbidity and mortality after allogeneic hematopoietic stem cell transplantation (HSCT), as it leads to a high risk of severe infections and bleeding. Splenomegaly is associated with primary graft failure in patients of myelofibrosis, but the association between splenomegaly and outcomes after HSCT in patients with myeloid malignancies has not been previously evaluated. The aim of this study was to investigate the effect of spleen volume on engraftment kinetics in patients with acute myeloid leukemia (AML) and myelodysplastic syndrome (MDS)...
February 17, 2018: Annals of Hematology
https://www.readbyqxmd.com/read/29455234/blastic-plasmacytoid-dendritic-cell-neoplasm-update-on-therapy-especially-novel-agents
#5
REVIEW
Shunan Wang, Xingtong Wang, Mingsuo Liu, Ou Bai
Blastic plasmacytoid dendritic cell neoplasm (BPDCN) is a rare and aggressive hematopoietic malignancy mainly affecting elderly patients. Most patients present with asymptomatic skin lesions as the first symptom and has a high frequency of bone marrow involvement. BPDCN is typically characterized by CD4+ and CD 56+ co-expression without common lymphoid or myeloid lineage markers. There is no consensus on the optimal therapeutic strategy for BPDCN. It is highly responsive to chemotherapy but the median event-free survival is very short...
February 17, 2018: Annals of Hematology
https://www.readbyqxmd.com/read/29452664/the-role-of-stem-cell-transplantation-in-follicular-lymphoma
#6
REVIEW
Georg Hess
With the introduction of novel treatments paradigms to if or when to use transplantation strategies for patients with follicular lymphoma have changed substantially. Autologous transplantation has been intensively evaluated as consolidation after first induction treatment with positive effects, however the introduction of Rituximab led to comparable improvements and HDT has been moved to relapse treatment. In this indication HDT was frequently use already at first relapse, but now is dominantly used in patients with a highrisk profile, e...
March 2018: Best Practice & Research. Clinical Haematology
https://www.readbyqxmd.com/read/29449660/gut-microbiota-injury-in-allogeneic-haematopoietic-stem-cell-transplantation
#7
REVIEW
Yusuke Shono, Marcel R M van den Brink
Allogeneic haematopoietic stem cell transplantation (allo-HSCT) is considered to be the strongest curative immunotherapy for various malignancies (primarily, but not limited to, haematologic malignancies). However, application of allo-HSCT is limited owing to its life-threatening major complications, such as graft-versus-host disease (GVHD), relapse and infections. Recent advances in large-scale DNA sequencing technology have facilitated rapid identification of the microorganisms that make up the microbiota and evaluation of their interactions with host immunity in various diseases, including cancer...
February 16, 2018: Nature Reviews. Cancer
https://www.readbyqxmd.com/read/29449085/the-simultaneous-isolation-of-multiple-high-and-low-frequent-t-cell-populations-from-donor-peripheral-blood-mononuclear-cells-using-the-major-histocompatibility-complex-i-streptamer-isolation-technology
#8
Marthe C J Roex, Lois Hageman, Matthias T Heemskerk, Sabrina A J Veld, Ellis van Liempt, Michel G D Kester, Lothar Germeroth, Christian Stemberger, J H Frederik Falkenburg, Inge Jedema
BACKGROUND: Adoptive transfer of donor-derived T cells can be applied to improve immune reconstitution in immune-compromised patients after allogeneic stem cell transplantation. The separation of beneficial T cells from potentially harmful T cells can be achieved by using the major histocompatibility complex (MHC) I-Streptamer isolation technology, which has proven its feasibility for the fast and pure isolation of T-cell populations with a single specificity. We have analyzed the feasibility of the simultaneous isolation of multiple antigen-specific T-cell populations in one procedure by combining different MHC I-Streptamers...
February 12, 2018: Cytotherapy
https://www.readbyqxmd.com/read/29448057/hla-matched-sibling-vs-unrelated-vs-haploidentical-related-donor-allogeneic-hematopoietic-stem-cell-transplantation-for-patients-aged-over-60-years-with-acute-myeloid-leukemia-a-single-center-donor-comparison
#9
Raynier Devillier, Faezeh Legrand, Jérôme Rey, Luca Castagna, Sabine Fürst, Angela Granata, Aude Charbonnier, Samia Harbi, Evelyne d'Incan, Thomas Pagliardini, Catherine Faucher, Claude Lemarie, Colombe Saillard, Boris Calmels, Bilal Mohty, Valerio Maisano, Pierre-Jean Weiller, Christian Chabannon, Norbert Vey, Didier Blaise
Haploidentical related donor (HRD) allogeneic hematopoietic stem cell transplantation (Allo-HSCT) was developed as a valid option for the treatment of acute myeloid leukemia (AML) in the absence of a matched donor. However, many investigators are reluctant to consider the use of this alternative in elderly patients, anticipating high morbidity. Here, we report a single-center comparison of HRD vs. matched sibling donor (MSD) and unrelated donor (UD) Allo-HSCT for patients with AML aged ≥60 years. Ninety-four patients (MSD: n = 31; UD: n = 30; HRD: n = 33) were analyzed...
February 12, 2018: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29448001/induced-pluripotent-stem-cells-ipsc-derived-retinal-cells-in-disease-modeling-and-regenerative-medicine
#10
REVIEW
Reena Rathod, Harshini Surendran, Rajani Battu, Jogin Desai, Rajarshi Pal
Retinal degenerative disorders are a leading cause of the inherited, irreversible and incurable vision loss. While various rodent model systems have provided crucial information in this direction.lack of disease-relevant tissue availability and species-specific differences have proven to be a major roadblock. Human induced pluripotent stem cells (iPSC) have opened up a whole new avenue of possibilities not just in understanding the disease mechanism but also potential therapeutic approaches towards a cure. In this review, we have summarized recent advances in the methods of deriving retinal cell types from iPSCs which can serve as a renewable source of disease-relevant cell population for basic as well as translational studies...
February 12, 2018: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/29444931/complete-remission-with-reduction-of-high-risk-clones-following-haploidentical-nk-cell-therapy-against-mds-and-aml
#11
Andreas T Björklund, Mattias Carlsten, Ebba Sohlberg, Lisa L Liu, Trevor Clancy, Mohsen Karimi, Sarah Cooley, Jeffrey S Miller, Monika Klimkowska, Marie Schaffer, Emma Watz, Kristina I Wikstrom, Pontus Blomberg, Bjorn E Wahlin, Marzia Palma, Lotta Hansson, Per Ljungman, Eva Hellström-Lindberg, Hans-Gustaf Ljunggren, Karl-Johan Malmberg
PURPOSE: To evaluate the safety, efficacy and immunobiological correlates of allogeneic NK cell-based therapy in primary chemotherapy-refractory or relapsed high-risk myelodysplastic syndrome (MDS), secondary AML (MDS/AML), and de novo AML patients. EXPERIMENTAL DESIGN: Sixteen patients received fludarabine/cyclophosphamide conditioning combined with total lymphoid irradiation followed by adoptive immunotherapy with IL-2-activated haploidentical NK cells. RESULTS: NK cell infusions were well tolerated with only transient adverse events observed in the 16 patients...
February 14, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29444913/lung-transplantation-after-allogeneic-stem-cell-transplantation-a-pan-european-experience
#12
Mark Greer, Cristina Berastegui, Peter Jaksch, Christian Benden, John Aubert, Antoine Roux, Elodie Lhuillier, Sandrine Hirschi, Martine Reynaud-Gaubert, François Philit, Johanna Claustre, Pierre LePalud, Marc Stern, Christiane Knoop, Robin Vos, Erik Verschuuren, Andrew Fisher, Gerdt Riise, Lennart Hansson, Martin Iversen, Pekka Hämmäinen, Hans Wedel, Jacqueline Smits, Jens Gottlieb, Are M Holm
Late-onset noninfectious pulmonary complications (LONIPCs) affect 6% of allogeneic stem cell transplantation (SCT) recipients within 5 years, conferring subsequent 5-year survival of 50%. Lung transplantation is rarely performed in this setting due to concomitant extrapulmonary morbidity, excessive immunosuppression and concerns about recurring malignancy being considered contraindications. This study assesses survival in highly selected patients undergoing lung transplantation for LONIPCs after SCT.SCT patients undergoing lung transplantation at 20 European centres between 1996 and 2014 were included...
February 2018: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/29444715/porcine-wharton-s-jelly-cells-distribute-throughout-the-body-after-intraperitoneal-injection
#13
Kreeson Packthongsuk, Theresa Rathbun, Deryl Troyer, Duane L Davis
BACKGROUND: Wharton's jelly cells (WJCs) have multiple differentiation potentials and are easily harvested in large numbers. WJCs are well tolerated in allogeneic environments and there is a growing list of their therapeutic effects. Most therapies require administering large numbers of cells and this is generally accomplished by intravenous injection. Here, we studied the locations of porcine WJCs in immune-competent, allogeneic hosts after intraperitoneal (IP) injection. METHODS: Male porcine WJCs were administered to female neonatal piglets by IP injection...
February 14, 2018: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29443409/cellular-collection-by-apheresis
#14
REVIEW
Anand Padmanabhan
Cellular collection is an important and increasingly used apheresis procedure. These collections are performed by leukocytapheresis, a procedure involving the removal of a patient's or donor's white blood cells, and are used to collect hematopoietic progenitor cells, specific cell populations (such as T-lymphocytes), and granulocytes. Hematopoietic progenitor cell apheresis and T-lymphocyte collection are performed by procedures that enrich for mononuclear cells. Hematopoietic progenitor cells are used for autologous and allogeneic hematopoietic stem cell transplantation, whereas T-cell collection is being used increasingly in novel cellular therapy approaches and for donor lymphocyte infusions to induce graft-versus-leukemia effect...
February 2018: Transfusion
https://www.readbyqxmd.com/read/29442161/allogeneic-hematopoietic-stem-cell-transplantation-in-primary-cutaneous-t-cell-lymphoma
#15
Laura Cudillo, Raffaella Cerretti, Alessandra Picardi, Benedetta Mariotti, Gottardo De Angelis, Maria Cantonetti, Massimiliano Postorino, Eleonora Ceresoli, Giovanna De Santis, Daniela Nasso, Francesco Pisani, Enrico Scala, Fabio Di Piazza, Alessandro Lanti
In our retrospective study, 16 patients affected by advanced cutaneous T cell lymphoma (CTCL) underwent allogeneic hematopoietic stem cell transplantation (HSCT). Two patients (12.5%) were in complete remission (CR), nine (56.3%) in partial remission (PR), and five (31.2%) with active disease. The patients were transplanted from an HLA-identical (n = 7) from a mismatched (n = 1) or haploidentical (n = 1) sibling, from matched unrelated donor (n = 5), or from a single cord blood unit (n = 2). Conditioning regimen was standard myeloablative in 6 patients and at reduced intensity in 10...
February 13, 2018: Annals of Hematology
https://www.readbyqxmd.com/read/29439917/how-do-anxiety-affect-cd34-and-cd3-cells-in-allogeneic-peripheral-blood-stem-cell-transplantation
#16
Taraneh Taghavi Larijani, Saeed Mohammadi, Amir Kasaeian, Ashraf Malek Mohammadi, Shayan Mostafaei, Kamran Alimoghaddam, Ardeshir Ghavamzadeh
Allogeneic peripheral blood stem cells (PBHSCs) transplantation using apheresis is a curative method for malignant and non-malignant hematologic diseases. The aim of this study was to assess the possible effects of anxiety as well as other variables on PBHSCs apheresis success. In this cross-sectional study, different demographic and clinical data such as granulocyte-colony stimulating factor (G-CSF) dosage, CD 34 + cells count (before apheresis), CD 34 + , CD3 + cells count in apheresis product and also complete blood count were assessed...
January 31, 2018: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/29434724/combined-usage-of-wilms-tumor-gene-quantitative-analysis-and-multiparameter-flow-cytometry-for-minimal-residual-disease-monitoring-of-acute-myeloid-leukemia-patients-after-allogeneic-hematopoietic-stem-cells-transplantation
#17
Yingchan Hao, Yanhong Cheng, Quan Wu, Aimei Zhang, Xiaoxiao Jiang, Xiucai Xu
High expression of the Wilms' tumor gene (WT1) in acute myeloid leukemia (AML) has been considered as a sensitive marker of minimal residual disease (MRD). The present study investigated the significance of quantitative analysis of WT1 mRNA, combined with multiparameter flow cytometry (MFC) regarding its efficacy and prognostic as well as relapse prediction value for leukemia patients with hematopoietic stem cell transplantation. Reverse-transcription quantitative polymerase chain reaction analysis demonstrated that the expression of WT1 in the initial and relapse group was significant higher than that in the complete remission (CR) group (P<0...
February 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29434288/stem-cell-transplantation-for-t-cell-lymphomas-in-taiwan
#18
Ya-Ting Hsu, Hui-Jen Tsai, Jeffrey S Chang, Sin-Syue Li, Jih-Luh Tang, Su-Peng Yeh, Wen-Li Hwang, Jin-Hwang Liu, Tran-Der Tan, Po-Nan Wang, Hui-Hua Hsiao, Tsai-Yun Chen
T-cell lymphomas are generally aggressive malignancies with poor prognosis. There are no standard treatment guidelines for T-cell lymphomas, and the timing of stem cell transplantation (SCT) is not well known. In this study, we investigated the outcomes of Taiwanese patients with T-cell lymphomas after SCT. We retrospectively analyzed 131 patients with T-cell lymphomas receiving SCT (autologous: 90, allogeneic: 41) from 2009 to 2014. More autologous SCT recipients were ALCL or in complete remission, and more allogeneic recipients had advanced disease...
February 12, 2018: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/29433372/characterization-of-innate-immune-viral-sensors-in-patients-following-allogeneic-hematopoietic-stem-cell-transplantation
#19
Sarah L Caddy, Meng Wang, Pramila Krishnamurthy, Benjamin Uttenthal, Anita Chandra, Charles Crawley, Leo C James
Viral infection is a major cause of morbidity and mortality following allogeneic hematopoietic stem cell transplant (HSCT), with up to one in four deaths directly linked to viral disease. Whilst awaiting lymphocyte reconstitution post-HSCT, the innate antiviral immune response is the first line of defense against invading viruses. Several novel innate viral-sensing pathways have recently been characterized, but their physiological importance in humans is poorly understood. We analyzed a panel of innate viral-sensor genes in HSCT patients, and assessed whether differences in innate antiviral responses could account for variation in susceptibility to viral infections...
January 1, 2018: Innate Immunity
https://www.readbyqxmd.com/read/29431006/cell-density-dependent-cytological-stage-profile-and-its-application-for-a-screen-of-cytostatic-agents-active-towards-leukemic-stem-cells
#20
Jan Jakub Lica, Grzegorz Jan Grabe, Mateusz Heldt, Majus Misiak, Patrycja Bloch, Marcin Serocki, Marta Switalska, Joanna Wietrzyk, Maciej Baginski, Andrzej Hellmann, Edward Borowski, Andrzej Skladanowski
Proliferation and expansion of leukemia is driven by Leukemic Stem Cells (LSCs). Multidrug resistance (MDR) of LSCs is one of the main reasons of failure and relapses in Acute Myeloid Leukemia (AML) treatment. Here we show that maintaining HL-60 at low cell culture density or applying a 240-day treatment with anthrapyridazone (BS-121) increased the percentage of primitive cells which include LSCs determining the overall stage profile. This change manifested in: morphology, expression of both cell surface markers and redox-state proteins as well as mitochondrial potential...
February 12, 2018: Stem Cells and Development
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