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Graft-versus-host disease

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https://www.readbyqxmd.com/read/28921804/early-blood-stream-infection-following-allogeneic-hematopoietic-stem-cell-transplantation-is-a-risk-factor-for-acute-grade-iii-iv-gvhd-in-children-and-adolescents
#1
Hirozumi Sano, Joseph A Hilinski, Muna Qayed, Kristy Applegate, Joanna G Newton, Benjamin Watkins, Kuang-Yueh Chiang, John Horan
BACKGROUND: Graft-versus-host disease (GVHD) remains a major cause of mortality and morbidity in allogeneic hematopoietic stem cell transplantation (HSCT). In adults, early blood stream infection (BSI) and acute GVHD (AGVHD) have been reported to be related. The impact of BSI on risk for AGVHD, however, has not been assessed in pediatric patients. PROCEDURE: We conducted a retrospective analysis to test the hypothesis that early BSI (before day +30) predisposes allogeneic pediatric transplant patients to severe AGVHD...
September 17, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28911060/reduced-intensity-versus-reduced-toxicity-myeloablative-fludarabine-busulfan-based-conditioning-regimens-for-allografted-non-hodgkin-lymphoma-adult-patients-a-retrospective-study-on-behalf-of-the-soci%C3%A3-t%C3%A3-francophone-de-greffe-de-moelle-et-de-th%C3%A3-rapie-cellulaire
#2
A Le Bourgeois, M Labopin, D Blaise, P Ceballos, S Vigouroux, R Peffault de Latour, A Marçais, C E Bulabois, J O Bay, S Chantepie, E Deconinck, E Daguindau, N Contentin, I Yakoub-Agha, J Cornillon, M Mercier, P Turlure, A Charbonnier, P S Rorhlich, S N'Guyen, N Maillard, T Marchand, M Mohty, P Chevallier
Background: Fludarabine/busulfan-based conditioning regimens are widely used to perform allogeneic stem-cell transplantation (allo-SCT) in high-risk non-Hodgkin lymphoma (NHL) patients. The impact of the dose intensity of busulfan on outcomes has not been reported yet. Patients and methods: This was a retrospective with the aim to compare the outcomes of NHL patients who received before allo-SCT a fludarabine/busulfan conditioning regimen, either of reduced intensity (FB2, 2 days of busulfan at 4 mg/kg/day oral or 3...
September 1, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28904861/a-modified-graft-versus-host-induced-model-for-systemic-sclerosis-with-pulmonary-fibrosis-in-rag2-deficient-mice
#3
Xue Yang, Chi Liu, Masayuki Fujino, Ji Yang, Xiao-Kang Li, Hejian Zou
Systemic sclerosis (SSc) is a connective tissue disease that results in fibrosis in multiple organs. Various animal models for this disease have been developed, both genetic and induced. One of the induced models, sclerodermatous graft-versus-host disease (scl-GvHD), exhibits the main characteristics of SSc, but involves lethal γ-irradiation of recipients. We sought to develop a modified scl-GvHD model. Spleen cells from B10.D2 donor mice were transplanted into immunodeficient Rag-2 recipients on the BALB/c genetic background...
September 2017: FEBS Open Bio
https://www.readbyqxmd.com/read/28901730/reduced-toxicity-alternate-donor-stem-cell-transplantation-with-posttransplant-cyclophosphamide-for-primary-immunodeficiency-disorders
#4
Neha Rastogi, Satyendra Katewa, Dhwanee Thakkar, Shruti Kohli, Sagar Nivargi, Satya Prakash Yadav
We describe here the outcomes of reduced-toxicity alternate-donor stem cell transplant (SCT) with posttransplant cyclophosphamide (PTCy) for primary immunodeficiency disorders (PIDs) in eight children (haploidentical-seven and matched unrelated donor-one). The conditioning was with serotherapy (alemtuzumab-3/rabbit-anti-thymoglobulin-5); fludarabine, cyclophosphamide, and total body irradiation-5 (additional thiotepa-3); fludarabine and treosulfan-2; and fludarabine and busulfan-1. All received PTCy 50 mg/kg on days 3 and 4 as graft versus host disease prophylaxis along with tacrolimus and mycophenolate...
September 13, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28901194/acute-renal-graft-versus-host-disease-in-a-murine-model-of-allogeneic-bone-marrow-transplantation
#5
Peter M Schmid, Abdellatif Bouazzaoui, Karin Schmid, Christoph Birner, Christian Schach, Lars S Maier, Ernst Holler, Dierk H Endemann
Acute kidney injury (AKI) is a very common complication after allogeneic bone marrow transplantation (BMT) and is associated with a poor prognosis. Generally, the kidneys are assumed to not be no direct targets of graft-versus-host disease (GvHD), and renal impairment is often attributed to several other factors occurring in the early phase after BMT. Our study aimed to prove the existence of renal GvHD in a fully major histocompatibility complex (MHC)-mismatched model of BALB/c mice conditioned and transplanted according to 2 different intensity protocols...
August 2017: Cell Transplantation
https://www.readbyqxmd.com/read/28899972/facts-and-hopes-in-immunotherapy-of-lymphoma-and-myeloma
#6
Matthew J Pianko, Alison J Moskowitz, Alexander M Lesokhin
Immune checkpoint blockade has driven a revolution in modern oncology, and robust drug development of immune checkpoint inhibitors is underway in both solid tumors and hematologic malignancies. High response rates to programmed cell death 1 (PD-1) blockade using nivolumab or pembrolizumab in classical Hodgkin lymphoma (cHL) and several variants of non-Hodgkin lymphoma (NHL) revealed an intrinsic biologic sensitivity to this approach, and work is ongoing exploring combinations with immune checkpoint inhibitors in both cHL and NHL...
September 12, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28899741/small-bowel-stenosis-a-manifestation-of-chronic-graft-versus-host-disease-in-children
#7
Mickael Tordjman, Marie Ouachee, Arnaud Bonnard, Bogdana Tilea, Karima Yakouben, Jerome Viala, Michel Peuchmaur, Dominique Berrebi
Digestive graft versus host disease (GVHD) is a frequent complication after bone marrow transplantation (BMT), but small bowel obstruction is an extremely rare event. We present herein the first pediatric series of 4 cases of small bowel obstruction after BMT with detailed gross, histological data and their genetic status of the NOD2 gene. All patients had a history of severe acute GVHD treated by immunosuppressive agents and/or infliximab (in 3 cases). Acute or progressively worsening abdominal pain accompanied by small bowel occlusion occurred 5-16months after graft and CT-scan revealed multiple small intestinal stenosis...
September 9, 2017: Human Pathology
https://www.readbyqxmd.com/read/28898706/profiles-of-pro-inflammatory-cytokines-in-allogenic-stem-cell-transplantation-with-post-transplant-cyclophosphamide
#8
O V Pirogova, I S Moiseev, E A Surkova, S V Lapin, S N Bondarenko, A D Kulagin, B V Afanasyev
Large number of studies was published about predictive value of cytokines for graft-versus-host disease (GVHD) after allogeneic stem cell transplantation. Recently, there has been a growing interest in GVHD prophylaxis with post-transplant cyclophosphamide (PTCy). Clinical data on the dynamics of proinflammatory cytokines with this prophylaxis is lacking. In this study, we have measured the levels of IL-17, IL-6, IL-8, IFN-γ and TNF-α in plasma on days -7, 0, +7, +14 and after engraftment in 20 patients with acute GVHD and 40 matched control patients with PTCy-based prophylaxis...
September 9, 2017: Cytokine
https://www.readbyqxmd.com/read/28894914/effect-of-rituximab-on-pulmonary-function-in-bronchiolitis-obliterans-syndrome-due-to-graft-versus-host-disease
#9
Kyle R Brownback, Laura A Thomas, Joseph P McGuirk, Siddhartha Ganguly, Christopher Streiler, Sunil Abhyankar
PURPOSE: Rituximab is an anti-CD20 monoclonal antibody that is used to suppress B-cell function in graft-versus-host-disease (GVHD). We sought to determine the effects of rituximab treatment on lung function in those patients with bronchiolitis obliterans syndrome (BOS) as a manifestation of GVHD. METHODS: Thirteen patients were treated with rituximab with a diagnosis of BOS and a significant reduction in the forced expiratory volume in 1 s (FEV1) after hematopoietic stem cell transplantation (HSCT)...
September 11, 2017: Lung
https://www.readbyqxmd.com/read/28888027/dermatopathic-lymphadenopathy-with-langerhans-cell-chimerism-in-graft-versus-host-disease-of-the-skin
#10
Andreas Kreft, Kristina Krümpelmann, Andreas Rosenwald, David Hollemann, Eva Maria Wagner-Drouet
Dermatopathic lymphadenopathy (DL) is well-known in inflammatory skin disease; however, it has not been reported in graft-versus-host disease (GvHD) after allogeneic stem cell transplantation. Here, we report two cases of DL in patients with acute GvHD of the skin and demonstrate complete donor chimerism of Langerhans cells within the lymph nodes. This article is protected by copyright. All rights reserved.
September 9, 2017: European Journal of Haematology
https://www.readbyqxmd.com/read/28887808/comparison-of-reference-values-for-immune-recovery-between-event-free-patients-receiving-haploidentical-allografts-and-those-receiving-human-leukocyte-antigen-matched-sibling-donor-allografts
#11
Xuying Pei, Xiangyu Zhao, Yu Wang, Lanping Xu, Xiaohui Zhang, Kaiyan Liu, Yingjun Chang, Xiaojun Huang
To establish optimal reference values for recovered immune cell subsets, we prospectively investigated post-transplant immune reconstitution (IR) in 144 patients who received allogeneic stem cell transplantation (allo- SCT) and without showing any of the following events: poor graft function, grades II‒IV acute graft-versus-host disease (GVHD), serious chronic GVHD, serious bacterial infection, invasive fungal infection, or relapse or death in the first year after transplantation. IR was rapid in monocytes, intermediate in lymphocytes, CD3(+) Tcells, CD8(+) T cells, and CD19(+) B cells, and very slow in CD4(+) T cells in the entire patient cohort...
September 8, 2017: Frontiers of Medicine
https://www.readbyqxmd.com/read/28887054/hla-dpb1-matching-in-unrelated-hematopoietic-stem-cell-transplantation-program-contributes-to-a-higher-incidence-of-disease-relapse
#12
Marija Burek Kamenaric, Marija Maskalan, Zorana Grubic, Mirta Mikulić, Ranka Serventi Seiwerth, Nadira Duraković, Radovan Vrhovac, Katarina Stingl Jankovic, Renata Zunec
The impact of patient/donor matching for HLA-A, -B, -C, -DRB1 and -DQB1 genes in hematopoietic stem cell transplantation (HSCT) is well-recognized, but typing for additional genes, such as HLA-DPB1, is still controversial. Based on defined T-cell epitope (TCE) groups, all HLA-DPB1 mismatches can be classified as permissive or non-permissive. In this retrospective study we analysed 82 patient/matched unrelated donor (MUD) pairs who underwent HSCT, and explored the impact of HLA-DPB1 matches, permissive and non-permissive mismatches on transplantation outcomes...
September 5, 2017: Human Immunology
https://www.readbyqxmd.com/read/28883081/haploidentical-hematopoietic-cell-transplantation-for-adult-acute-myeloid-leukemia-a-position-statement-from-the-acute-leukemia-working-party-of-the-european-society-for-blood-and-marrow-transplantation
#13
Catherine J Lee, Bipin N Savani, Mohamad Mohty, Myriam Labopin, Annalisa Ruggeri, Christoph Schmid, Frédéric Baron, Jordi Esteve, Norbert C Gorin, Sebastian Giebel, Fabio Ciceri, Arnon Nagler
Allogeneic blood or marrow hematopoietic cell transplantation continues to be the most potent anti-leukemic treatment for adult patients with standard or high-risk, or chemo-refractory acute myeloid leukemia. Until recently, this procedure was generally limited to those recipients who had an available matched-sibling donor or matched-unrelated donor. Technical advances in graft cell processing and manipulation, control of bidirectional T cell alloreactivity, graft-versus-host disease prophylaxis, and other supportive measures in haploidentical transplantation now enables nearly all patients with acute myeloid leukemia to benefit from the graft-versus-leukemia effect with substantial reduction in procedure-related mortality...
September 7, 2017: Haematologica
https://www.readbyqxmd.com/read/28881843/dynamic-changes-in-serum-cytokine-levels-and-their-clinical-significance-in-predicting-acute-gvhd
#14
Chunyan Zhang, Wenrong Huang, Pengjun Zhang, Qingyi Zhang, Guanghong Guo, Feng Gu, Hua Yang, Yurong Wang, Xueliang Huang, Qian Jia, Yaping Tian
To explore the clinical significance of cytokines and biochemical tests in acute graft-versus-host disease (aGVHD), we detected the concentrations of 8 cytokines and 19 conventional biochemical markers in the sera of aGVHD and non-GVHD patients throughout the process of allogeneic hematopoietic stem cell transplantation and the onset of aGVHD. Predictive models were then established using the 27 indices, and models were verified by a prospective trial. The 27 indices showed significant differences between aGVHD patients and non-GVHD control subjects (two-tailed p<0...
August 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28881670/g-csf-inhibits-lfa-1-mediated-cd4-t-cell-functions-by-inhibiting-lck-and-zap-70
#15
Shasha Zhao, Zhenyang Gu, Li Wang, Lixun Guan, Feiyan Wang, Nan Yang, Lan Luo, Zhe Gao, Yingwei Song, Lili Wang, Daihong Liu, Chunji Gao
In this study, we showed that G-CSF mobilization increased the frequency of T cells, specifically CD3(+)CD4(+) T cells. G-CSF mobilization decreased the secretion of inflammatory cytokines of CD4(+) T cells through the LFA-1/ICAM-1 signaling pathway, whereas it did not alter the TH1/TH2 ratio. We found that G-CSF mobilization inhibited LFA-1-mediated CD4(+) T cell polarization and motility. In vitro, G-CSF stimulation also attenuated the polarization and adhesiveness of CD4(+) T cells through the LFA-1/ICAM-1 interaction...
August 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28880124/efficacy-and-safety-of-posaconazole-in-hematopoietic-stem-cell-transplantation-patients-with-invasive-fungal-disease
#16
Sudong Zhang, Yi He, Erlie Jiang, Jialin Wei, Donglin Yang, Rongli Zhang, Weihua Zhai, Guixin Zhang, Zhao Wang, Lining Zhang, Li Liu, Mingzhe Han, Sizhou Feng
AIM: Invasive fungal disease (IFD) is a significant cause of morbidity and mortality in hematopoietic stem cell transplantation (HSCT) patients. This study reports real-world efficacy and safety of posaconazole (POS) in HSCT recipients with IFD. PATIENTS & METHODS: We performed a retrospective study to investigate the efficacy and safety of POS oral suspension in 45 HSCT patients with IFD from December 2013 to December 2016. RESULTS: The success rate at 12 weeks after POS treatment was 57...
September 7, 2017: Future Microbiology
https://www.readbyqxmd.com/read/28878217/in-vivo-confocal-microscopy-evaluation-of-ocular-surface-with-graft-versus-host-disease-related-dry-eye-disease
#17
Jingliang He, Yoko Ogawa, Shin Mukai, Yumiko Saijo-Ban, Mizuka Kamoi, Miki Uchino, Mio Yamane, Nobuhiro Ozawa, Masaki Fukui, Takehiko Mori, Shinichiro Okamoto, Kazuo Tsubota
Dry eye disease (DED) is often elicited by graft-versus-host disease (GVHD), an extensive complication of hematopoietic stem cell transplantation (HSCT). To unravel the mechanism of this type of DED, in vivo confocal microscopy (IVCM) was used to investigate alterations in the state of the sub-basal nerves, dendritic cells (DCs) and globular immune cells (GICs) in the central cornea and limbal epithelia. In this study, we examined 12 HSCT recipients with GVHD-caused DED and 10 HSCT recipients without GVHD-associated DED and evaluated the clinical parameters in the 2 groups...
September 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28877899/equipping-nk-cells-with-cars
#18
(no author information available yet)
Adding a chimeric antigen receptor (CAR) to natural killer (NK) cells is garnering interest as a therapeutic strategy because this immune cell type doesn't cause graft-versus-host disease, making its widespread, off-the-shelf use feasible. Based on promising preclinical data, a phase I/II trial of one such CAR NK-cell therapy is under way, targeting CD19 in hematologic malignancies.
September 6, 2017: Cancer Discovery
https://www.readbyqxmd.com/read/28875340/corneal-features-in-ocular-graft-versus-host-disease-by-in-vivo-confocal-microscopy
#19
Tudor C Tepelus, Gloria B Chiu, Jyotsna Maram, Jianyan Huang, Vikas Chopra, SriniVas R Sadda, Olivia L Lee
PURPOSE: The purpose of our study was to determine the morphological features of the corneal epithelial layers, sub-basal nerve plexus and anterior stroma in patients with ocular graft-versus-host disease (oGVHD) compared to non-GVHD dry eyes and normal controls, using in vivo confocal microscopy (IVCM). METHODS: IVCM was used to capture central cornea images from eight volunteers with normal healthy eyes, ten patients with non-GVHD dry eye syndrome (DES) and 15 patients with clinically diagnosed oGVHD, in a cross-sectional study...
September 5, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28874533/type-1-diabetes-induction-in-humanized-mice
#20
Shulian Tan, Yang Li, Jinxing Xia, Chun-Hui Jin, Zheng Hu, Gaby Duinkerken, Yuying Li, Mohsen Khosravi Maharlooei, Estefania Chavez, Grace Nauman, Nichole Danzl, Maki Nakayama, Bart O Roep, Megan Sykes, Yong-Guang Yang
There is an urgent and unmet need for humanized in vivo models of type 1 diabetes to study immunopathogenesis and immunotherapy, and in particular antigen-specific therapy. Transfer of patient blood lymphocytes to immunodeficient mice is associated with xenogeneic graft-versus-host reactivity that complicates assessment of autoimmunity. Improved models could identify which human T cells initiate and participate in beta-cell destruction and help define critical target islet autoantigens. We used humanized mice (hu-mice) containing robust human immune repertoires lacking xenogeneic graft-versus-host reactivity to address this question...
September 5, 2017: Proceedings of the National Academy of Sciences of the United States of America
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