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https://www.readbyqxmd.com/read/28296583/relationship-between-intestinal-bacteria-and-the-anticancer-effect-of-hematopoietic-stem-cell-transplantation
#1
Joseph H Antin
No abstract text is available yet for this article.
March 15, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28296584/intestinal-microbiota-and-relapse-after-hematopoietic-cell-transplantation
#2
Jonathan U Peled, Sean M Devlin, Anna Staffas, Melissa Lumish, Raya Khanin, Eric R Littmann, Lilan Ling, Satyajit Kosuri, Molly Maloy, John B Slingerland, Katya F Ahr, Kori A Porosnicu Rodriguez, Yusuke Shono, Ann E Slingerland, Melissa D Docampo, Anthony D Sung, Daniela Weber, Amin M Alousi, Boglarka Gyurkocza, Doris M Ponce, Juliet N Barker, Miguel-Angel Perales, Sergio A Giralt, Ying Taur, Eric G Pamer, Robert R Jenq, Marcel R M van den Brink
Purpose The major causes of mortality after allogeneic hematopoietic-cell transplantation (allo-HCT) are relapse, graft-versus-host disease (GVHD), and infection. We have reported previously that alterations in the intestinal flora are associated with GVHD, bacteremia, and reduced overall survival after allo-HCT. Because intestinal bacteria are potent modulators of systemic immune responses, including antitumor effects, we hypothesized that components of the intestinal flora could be associated with relapse after allo-HCT...
March 15, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28292947/mobilization-of-allogeneic-peripheral-blood-stem-cell-donors-with-intravenous-plerixafor-mobilizes-a-unique-graft
#3
Mark A Schroeder, Michael P Rettig, Sandra Lopez, Stephanie Christ, Mark Fiala, William Eades, Fazia A Mir, Jin Shao, Kyle McFarland, Kathryn Trinkaus, William Shannon, Elena Deych, Jinsheng Yu, Ravi Vij, Keith Stockerl-Goldstein, Amanda F Cashen, Geoffery L Uy, Camille N Abboud, Peter Westervelt, John F DiPersio
A single subcutaneous (SC) injection of plerixafor results in rapid mobilization of hematopoietic progenitors but fails to mobilize 33% of normal allogeneic sibling donors in one apheresis. We hypothesized that changing the route of administration of plerixafor from SC to intravenous (IV) may overcome the low stem cell yields and allow collection in one day. A phase I trial followed by a phase II efficacy trial was conducted in allogeneic sibling donors. The optimal dose of IV plerixafor was determined to be 0...
March 14, 2017: Blood
https://www.readbyqxmd.com/read/27856461/how-i-treat-bronchiolitis-obliterans-syndrome-after-hematopoietic-stem-cell-transplantation
#4
REVIEW
Kirsten M Williams
In past years, a diagnosis of bronchiolitis obliterans syndrome (BOS) after allogeneic hematopoietic cell transplant (HCT) conferred nearly universal mortality secondary to lack of consensus for diagnostic criteria, poorly understood disease pathogenesis, and very few studies of therapeutic or supportive care interventions. Recently, however, progress has been made in these areas: revised consensus diagnostic guidelines are now available, supportive care has improved, there is greater understanding of potential mechanisms of disease, and prospective trials are being conducted...
January 26, 2017: Blood
https://www.readbyqxmd.com/read/27856471/role-of-the-intestinal-mucosa-in-acute-gastrointestinal-gvhd
#5
REVIEW
Jonathan U Peled, Alan M Hanash, Robert R Jenq
Intestinal graft-versus-host disease (GVHD) remains a significant obstacle to the success of allogeneic hematopoietic cell transplantation. The intestinal mucosa comprises the inner lining of the intestinal tract and maintains close proximity with commensal microbes that reside within the intestinal lumen. Recent advances have significantly improved our understanding of the interactions between the intestinal mucosa and the enteric microbiota. Changes in host mucosal tissue and commensals posttransplant have been actively investigated, and provocative insights into mucosal immunity and the enteric microbiota are now being translated into clinical trials of novel approaches for preventing and treating acute GVHD...
November 17, 2016: Blood
https://www.readbyqxmd.com/read/27940475/the-intestinal-microbiota-in-allogeneic-hematopoietic-cell-transplant-and-graft-versus-host-disease
#6
REVIEW
Anna Staffas, Marina Burgos da Silva, Marcel R M van den Brink
Hematopoietic cell transplantation (HCT) is a critical treatment of patients with high-risk hematopoietic malignancies, hematological deficiencies, and other immune diseases. In allogeneic HCT (allo-HCT), donor-derived T cells recognize host tissues as foreign, causing graft-versus-host disease (GVHD) which is a main contributor to morbidity and mortality. The intestine is one of the organs most severely affected by GVHD and research has recently highlighted the importance of bacteria, particularly the gut microbiota, in HCT outcome and in GVHD development...
February 23, 2017: Blood
https://www.readbyqxmd.com/read/28137828/acute-graft-versus-host-disease-is-regulated-by-an-il-17-sensitive-microbiome
#7
Antiopi Varelias, Kate L Ormerod, Mark D Bunting, Motoko Koyama, Kate H Gartlan, Rachel D Kuns, Nancy Lachner, Kelly R Locke, Chun Y Lim, Andrea S Henden, Ping Zhang, Andrew D Clouston, Sumaira Z Hasnain, Michael A McGuckin, Bruce R Blazar, Kelli P A MacDonald, Philip Hugenholtz, Geoffrey R Hill
Donor T-cell-derived IL-17A can mediate late immunopathology in graft-versus-host disease (GVHD), however protective roles remain unclear. Using multiple cytokine and cytokine receptor subunit knockout mice we demonstrate that stem cell transplant (SCT) recipients lacking the ability to generate or signal IL-17 develop intestinal hyper-acute GVHD. This protective effect is restricted to the molecular interaction of IL-17A and/or IL-17F with the IL-17RA/C receptor. The protection from GVHD afforded by IL-17A required secretion from, and signaling in, both hematopoietic and non-hematopoietic host tissue...
January 30, 2017: Blood
https://www.readbyqxmd.com/read/28157678/fit-for-cure-microbiota-and-gvhd
#8
Ernst Holler, Daniela Weber
No abstract text is available yet for this article.
October 20, 2016: Blood
https://www.readbyqxmd.com/read/28157682/fecal-microbiota-transplantation-for-agvhd-of-the-gut
#9
(no author information available yet)
No abstract text is available yet for this article.
October 20, 2016: Blood
https://www.readbyqxmd.com/read/28255020/impact-of-abo-incompatibility-on-patient-outcome-in-haploidentical-hematopoietic-stem-cell-transplantation-for-acute-myeloid-leukemia-a-report-from-the-acute-leukemia-working-party-of-the-ebmt
#10
Jonathan Canaani, Bipin N Savani, Myriam Labopin, Xiao-Jun Huang, Fabio Ciceri, William Arcese, Johanna Tischer, Yener Koc, Benedetto Bruno, Zafer Gülbas, Didier Blaise, Johan Maertens, Gerhard Ehninger, Mohamad Mohty, Arnon Nagler
A significant segment of hematopoietic stem cell transplantations are performed with ABO-mismatched donors. The impact of ABO-mismatch on outcome following transplantation remains controversial and there is no published data regarding the impact of ABO-mismatch in acute myeloid leukemia patients receiving haploidentical transplantation. Using the EBMT acute leukemia working group registry we identified 837 patients who underwent haploidentical transplantation. Comparative analysis was performed between patients receiving ABO-matched versus ABO-mismatched for common clinical outcome variables...
March 2, 2017: Haematologica
https://www.readbyqxmd.com/read/28143567/allogeneic-cd19-car-t-cell-infusion-after-allogeneic-hematopoietic-stem-cell-transplantation-in-b-cell-malignancies
#11
REVIEW
Jun Liu, Jiang F Zhong, Xi Zhang, Cheng Zhang
BACKGROUND: Allogeneic hematopoietic stem cell transplantation (allo-HSCT) is considered the cornerstone in treatment of hematological malignancies. However, relapse of the hematological disease after allo-HSCT remains a challenge and is associated with poor long-term survival. Chimeric antigen receptor redirected T cells (CAR-T cells) can lead to disease remission in patients with relapsed/refractory hematological malignancies. However, the therapeutic window for infusion of CAR-T cells post allo-HSCT and its efficacy are debatable...
January 31, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28166825/the-dynamics-of-runx1-runx1t1-transcript-levels-after-allogeneic-hematopoietic-stem-cell-transplantation-predict-relapse-in-patients-with-t-8-21-acute-myeloid-leukemia
#12
Ya-Zhen Qin, Yu Wang, Lan-Ping Xu, Xiao-Hui Zhang, Huan Chen, Wei Han, Yu-Hong Chen, Feng-Rong Wang, Jing-Zhi Wang, Yao Chen, Xiao-Dong Mo, Xiao-Su Zhao, Ying-Jun Chang, Kai-Yan Liu, Xiao-Jun Huang
BACKGROUND: The optimal monitoring schedules and cutoff minimal residual disease (MRD) levels for the accurate prediction of relapse at all time points after allogeneic hematopoietic stem cell transplantation (allo-HSCT) remain unclear in patients with t(8;21) acute myeloid leukemia (AML). METHODS: RUNX1-RUNX1T1 transcript levels were measured in bone marrow samples collected from 208 patients at scheduled time points after transplantation (1530 samples in total)...
February 6, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28039079/post-transplant-cyclophosphamide-and-tacrolimus-mycophenolate-mofetil-combination-prevents-graft-versus-host-disease-in-allogeneic-peripheral-blood-hematopoietic-cell-transplantation-from-hla-matched-donors
#13
Fabrizio Carnevale-Schianca, Daniela Caravelli, Susanna Gallo, Valentina Coha, Lorenzo D'Ambrosio, Elena Vassallo, Marco Fizzotti, Francesca Nesi, Luisa Gioeni, Massimo Berger, Alessandra Polo, Loretta Gammaitoni, Paolo Becco, Lidia Giraudo, Monica Mangioni, Dario Sangiolo, Giovanni Grignani, Delia Rota-Scalabrini, Antonino Sottile, Franca Fagioli, Massimo Aglietta
Allogeneic hematopoietic cell transplant (HCT) remains the only curative therapy for many hematologic malignancies but it is limited by high nonrelapse mortality (NRM), primarily from unpredictable control of graft-versus-host disease (GVHD). Recently, post-transplant cyclophosphamide demonstrated improved GVHD control in allogeneic bone marrow HCT. Here we explore cyclophosphamide in allogeneic peripheral blood stem cell transplantation (alloPBSCT). Patients with high-risk hematologic malignancies received alloPBSCT from HLA-matched unrelated/related donors...
March 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/27638367/chimeric-antigen-receptor-t-cells-and-hematopoietic-cell-transplantation-how-not-to-put-the-cart-before-the-horse
#14
REVIEW
Saad S Kenderian, David L Porter, Saar Gill
Hematopoietic cell transplantation (HCT) remains an important and potentially curative option for most hematologic malignancies. As a form of immunotherapy, allogeneic HCT (allo-HCT) offers the potential for durable remissions but is limited by transplantation- related morbidity and mortality owing to organ toxicity, infection, and graft-versus-host disease. The recent positive outcomes of chimeric antigen receptor T (CART) cell therapy in B cell malignancies may herald a paradigm shift in the management of these disorders and perhaps other hematologic malignancies as well...
February 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/27760760/dr3-signaling-modulates-the-function-of-foxp3-regulatory-t-cells-and-the-severity-of-acute-graft-versus-host-disease
#15
Hidekazu Nishikii, Byung-Su Kim, Yasuhisa Yokoyama, Yan Chen, Jeanette Baker, Antonio Pierini, Maite Alvarez, Melissa Mavers, Kristina Maas-Bauer, Yuqiong Pan, Shigeru Chiba, Robert S Negrin
CD4(+)Foxp3(+) regulatory T cells (Treg) are a subpopulation of T cells, which regulate the immune system and enhance immune tolerance after transplantation. Donor-derived Treg prevent the development of lethal acute graft-versus-host disease (GVHD) in murine models of allogeneic hematopoietic stem cell transplantation. We recently demonstrated that a single treatment of the agonistic antibody to DR3 (death receptor 3, αDR3) to donor mice resulted in the expansion of donor-derived Treg and prevented acute GVHD, although the precise role of DR3 signaling in GVHD has not been elucidated...
December 15, 2016: Blood
https://www.readbyqxmd.com/read/27697774/haploidentical-hematopoietic-transplantation-for-the-cure-of-leukemia-from-its-biology-to-clinical-translation
#16
REVIEW
Antonella Mancusi, Loredana Ruggeri, Andrea Velardi
The present review describes the biology of human leukocyte antigen haplotype mismatched ("haploidentical") transplantation, its translation to clinical practice to cure leukemia, and the results of current transplantation protocols. The 1990s saw what had been major drawbacks of haploidentical transplantation, ie, very strong host-versus-graft and graft-versus-host alloresponses, which led respectively to rejection and graft-versus-host disease (GVHD), being overcome through transplantation of a "mega-dose" of T cell-depleted peripheral blood hematopoietic progenitor cells and no posttransplant pharmacologic immunosuppression...
December 8, 2016: Blood
https://www.readbyqxmd.com/read/27668764/rapid-identification-of-cytokine-release-syndrome-after-haploidentical-pbsc-transplantation-and-successful-therapy-with-tocilizumab
#17
C Cho, M A Perales
No abstract text is available yet for this article.
December 2016: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/27721371/gvhd-free-relapse-free-survival-after-reduced-intensity-allogeneic-hematopoietic-cell-transplantation-in-older-patients-with-myeloid-malignancies
#18
A Nazha, L Rybicki, D Abounader, B Bolwell, R Dean, A T Gerds, D Jagadeesh, B K Hamilton, B T Hill, M Kalaycio, H Liu, B Pohlman, R Sobecks, M A Sekeres, N S Majhail
No abstract text is available yet for this article.
December 2016: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/27713092/the-biology-of-chronic-graft-versus-host-disease-a-task-force-report-from-the-national-institutes-of-health-consensus-development-project-on-criteria-for-clinical-trials-in-chronic-graft-versus-host-disease
#19
REVIEW
Kenneth R Cooke, Leo Luznik, Stefanie Sarantopoulos, Frances T Hakim, Madan Jagasia, Daniel H Fowler, Marcel R M van den Brink, John A Hansen, Robertson Parkman, David B Miklos, Paul J Martin, Sophie Paczesny, Georgia Vogelsang, Steven Pavletic, Jerome Ritz, Kirk R Schultz, Bruce R Blazar
Chronic graft-versus-host disease (GVHD) is the leading cause of late, nonrelapse mortality and disability in allogeneic hematopoietic cell transplantation recipients and a major obstacle to improving outcomes. The biology of chronic GVHD remains enigmatic, but understanding the underpinnings of the immunologic mechanisms responsible for the initiation and progression of disease is fundamental to developing effective prevention and treatment strategies. The goals of this task force review are as follows: This document is intended as a review of our understanding of chronic GVHD biology and therapies resulting from preclinical studies, and as a platform for developing innovative clinical strategies to prevent and treat chronic GVHD...
February 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/26757470/global-use-of-peripheral-blood-vs-bone-marrow-as-source-of-stem-cells-for-allogeneic-transplantation-in-patients-with-bone-marrow-failure
#20
Ayami Yoshimi, Helen Baldomero, Mary Horowitz, Jeff Szer, Dietger Niederwieser, Alois Gratwohl, Yoshihisa Kodera
No abstract text is available yet for this article.
January 12, 2016: JAMA: the Journal of the American Medical Association
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