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Graft vs host disease

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https://www.readbyqxmd.com/read/28058210/biology-of-chronic-graft-vs-host-disease-immune-mechanisms-and-progress-in-biomarker-discovery
#1
REVIEW
Richard B Presland
Chronic graft-vs-host disease (cGVHD) is the leading cause of long-term morbidity and mortality following allogeneic hematopoietic stem cell transplantation. It presents as a chronic inflammatory and sclerotic autoimmune-like condition that most frequently affects the skin, oral mucosa, liver, eyes and gastrointestinal tract. Both clinical and animal studies have shown that multiple T cell subsets including Th1, Th2, Th17, T follicular helper cells and regulatory T-cells play some role in cGVHD development and progression; B cells also play an important role in the disease including the production of antibodies to HY and nuclear antigens that can cause serious tissue damage...
December 24, 2016: World Journal of Transplantation
https://www.readbyqxmd.com/read/28042021/donor-killer-immunoglobulin-like-receptor-haplotype-b-x-induces-severe-acute-graft-versus-host-disease-in-the-presence-of-hla-mismatch-in-t-cell-replete-hematopoietic-cell-transplantation
#2
Ryosuke Hosokai, Masayoshi Masuko, Yasuhiko Shibasaki, Akihiko Saitoh, Tatsuo Furukawa, Chihaya Imai
Natural killer cells have been identified as a mediator of alloimmune reactions in allogeneic hematopoietic stem cell transplantations (HSCTs). Killer immunoglobulin-like receptors (KIRs) are an important determinant of natural killer cell function. The relationship between KIR genotypes/haplotypes and clinical outcomes of allogeneic HSCTs is complex, and inconsistent among several reports. We assessed the clinical impact of KIR haplotype on T-cell replete allogeneic HSCTs performed in a single Japanese center for hematological malignancies (n=106)...
December 29, 2016: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28013013/a-canine-model-of-chronic-graft-versus-host-disease
#3
Scott S Graves, Andrew Rezvani, George Sale, Diane Stone, Maura Parker, Steven Rosinski, Michele Spector, Bruce Swearingen, Leslie Kean, Rainer Storb
In long-term survivors of allogeneic hematopoietic cell transplantation (HCT), chronic graft-versus-host disease (GVHD) is the major cause of morbidity and mortality and a major determinant of quality of life. Chronic GVHD responds poorly to current immunosuppressive drugs, and while T cell depletion may be preventive, this gain is offset by increased relapse rates. A significant impediment to progress in treating chronic GVHD has been the limitations of existing animal models. The goal of this study was to develop a reproducible comprehensive model of chronic GVHD in the dog...
December 21, 2016: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/27989929/matching-at-human-leukocyte-antigen-c-improved-the-outcomes-after-double-umbilical-cord-blood-transplantation-for-recipients-of-two-to-four-of-six-human-leukocyte-antigen-matched-grafts
#4
Claudio G Brunstein, Corey S Cutler, Todd E DeFor, Haesook Kim, Nelli Bejanyan, Alfred Garfall, Michael R Verneris, Yi-Bin Chen, Erica D Warlick, Thomas Spitzer, Jeffrey S Miller, Joseph H Antin, Daniel J Weisdorf, Robert Soiffer, John E Wagner, Karen K Ballen
We studied the effect of HLA-C matching in 515 patients after double umbilical cord blood (UCB) transplantation. After HLA matching HLA-A, -B, and -DRB1 at the allele level, we scored patients according to number of donor-recipient HLA-C matches at 4 possible loci: 2 from each donor unit, at the allele level. Given a direct interaction between HLA-A, -B, and -DRB1 matching and HLA-C score, we analyzed HLA-C matching in those receiving at least 1 2/6 to 4/6 HLA-matched unit (n = 389) versus those receiving only 5/6 or 6/6-matched units (n = 126)...
January 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/27960128/effect-of-donor-stat4-polymorphism-rs7574865-on-clinical-outcomes-of-pediatric-acute-leukemia-patients-after-hematopoietic-stem-cell-transplant
#5
Cheng Mun Wun, Zhe Piao, Kyung Taek Hong, Jung Yoon Choi, Che Ry Hong, June Dong Park, Kyung Duk Park, Hee Young Shin, Hyoung Jin Kang
STAT4 polymorphism, rs7574865 is linked to various autoimmune diseases such as systemic lupus erythematosus and rheumatoid arthritis. Its T minor allele is associated with higher STAT4 mRNA and protein expression, indicating a stronger skewed immune response than the norm. Although widely studied in autoimmune disease patients and the general population, its effect on immunocompromised subjects is still unknown. Especially in situations, i.e. post-hematopoietic stem cell transplantation (post-HSCT), where control of the immune response is crucial...
February 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/27941359/capsule-endoscopy-in-graft-versus-host-disease
#6
Enrique Pérez-Cuadrado-Robles, Cristina Castilla-Llorente, Lucille Quénéhervé, Antonio López-Higueras, Enrique Pérez-Cuadrado-Martínez
INTRODUCTION: The gold standard in the diagnosis of gastrointestinal graft-versus-host disease (GVHD) after allogenic hematopoietic stem cell transplantation is conventional endoscopy with histopathological assessment. The role of capsule endoscopy (CE) is uncertain. The aim of the present study was to investigate the accuracy of CE in this setting, comparing the clinical, endoscopic and histological data. METHODS: This was a retrospective single-centre study that included 57 (mean age: 47...
December 9, 2016: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/27931583/acute-graft-vs-host-disease-after-liver-transplantation-experience-at-a-high-volume-liver-transplantation-center-in-korea
#7
W H Kang, S Hwang, G W Song, D H Jung, G C Park, C S Ahn, D B Moon, K H Kim, T Y Ha, W J Kim, S H Kim, H D Cho, J H Kwon, E K Jwa, S G Lee
BACKGROUND: Acute graft-vs-host disease (GVHD) is a rare but life-threatening complication of orthotopic liver transplantation (OLT). We present 6 cases of GVHD after OLT. METHODS: Among our 4294 OLT recipients, we identified 6 patients (0.14%) who were diagnosed with GVHD. Their medical records were reviewed retrospectively. RESULTS: Liver graft types included deceased donor whole liver graft (n = 3) and right liver graft from son (n = 3)...
December 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27923824/human-dendritic-cells-mitigate-nk-cell-dysfunction-mediated-by-nonselective-jak1-2-blockade
#8
Shane A Curran, Justin A Shyer, Erin T St Angelo, Lillian R Talbot, Sneh Sharma, David J Chung, Glenn Heller, Katharine C Hsu, Brian C Betts, James W Young
Janus kinase (JAK) inhibitors have achieved positive responses in myeloproliferative neoplasms, but at the expense of decreased natural killer (NK) cell numbers and compromised function. Selective JAK2 inhibition may also have a role in preventing and treating graft-versus-host disease after allogeneic hematopoietic stem cell transplantation. Although JAK inhibitors can impair monocyte-derived dendritic cell (moDC) activation and function and suppress effector T-cell responses, the effects on NK cells and the relevant mechanisms remain undefined...
December 6, 2016: Cancer Immunology Research
https://www.readbyqxmd.com/read/27916046/-a-comparative-study-of-unrelated-donor-and-matched-sibling-donor-allogeneic-hematopoietic-stem-cell-transplantation-in-children-and-adolescents-with-acquired-severe-aplastic-anemia
#9
J Zhou, Y W Fu, L J Liang, Q Wang, L J Han, Y L Zu, Yanli Zhang, X H Zhu, F K Yu, B J Fang, X D Wei, Y P Song
Objective: To evaluate the efficacy of unrelated donor allogeneic hematopoietic stem cell transplantation(URD allo-HSCT) for children and adolescents with severe aplastic anemia (SAA). Methods: Clinical data of 34 SAA children and adolescents undergoing allo-HSCT were retrospectively analyzed from October 2001 to October 2015. According to the source of donor, the patients were divided into matched sibling donor allo-HSCT group (MSD group) and unrelated donor group (URD group). The clinical outcome of SAA children and adolescents receiving URD allo-HSCT was assessed, and patients in MSD allo-HSCT group were enrolled as control at the same period...
December 1, 2016: Zhonghua Nei Ke za Zhi [Chinese Journal of Internal Medicine]
https://www.readbyqxmd.com/read/27913527/myelofibrosis-to-transplant-or-not-to-transplant
#10
Rebecca Devlin, Vikas Gupta
Hematopoietic cell transplantation (HCT) is the only curative therapeutic modality for myelofibrosis (MF) at present. The optimal timing of HCT is not known in the presence of wider availability of less risky nontransplant therapies such as JAK 1/2 inhibitors. Careful review of patient, disease, and transplant-related factors is required in the appropriate selection of HCT vs the best available nontransplant therapies. We highlight some of the relevant issues and positioning of HCT in light of evolving data on JAK 1/2 inhibitors...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27906085/tissue-engineered-cardiac-patch-seeded-with-human-induced-pluripotent-stem-cell-derived-cardiomyocytes-promoted-the-regeneration-of-host-cardiomyocytes-in-a-rat-model
#11
Tadahisa Sugiura, Narutoshi Hibino, Christopher K Breuer, Toshiharu Shinoka
BACKGROUND: Thousands of babies are born with congenital heart defects that require surgical repair involving a prosthetic implant. Lack of growth in prosthetic grafts is especially detrimental in pediatric surgery. Cell seeded biodegradable tissue engineered grafts are a novel solution to this problem. The purpose of the present study is to evaluate the feasibility of seeding human induced pluripotent stem cell derived cardiomyocytes (hiPS-CMs) onto a biodegradable cardiac patch. METHODS: The hiPS-CMs were cultured on a biodegradable patch composed of a polyglycolic acid (PGA) and a 50:50 poly (l-lactic-co-ε-caprolactone) copolymer (PLCL) for 1 week...
December 1, 2016: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/27871114/bone-marrow-stromal-stem-cells-in-tissue-engineering-and-regenerative-medicine
#12
A Polymeri, W V Giannobile, D Kaigler
Bone marrow stromal stem cells (BMSCs) are adult multipotent cells, which have the potential to differentiate into cell types of mesodermal origin, namely osteocytes, adipocytes, and chondrocytes. Due to their accessibility and expansion potential, BMSCs have historically held therapeutic promise in tissue engineering and regenerative medicine applications. More recently, it has been demonstrated that not only can bone marrow stromal stem cells directly participate in tissue regeneration, but they also have the capacity to migrate to distant sites of tissue injury, where they can participate in tissue repair either directly through their differentiation or indirectly through paracrine mechanisms...
November 2016: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/27861297/extracorporeal-photopheresis-for-treatment-of-acute-and-chronic-graft-versus-host-disease-an-italian-multicentric-retrospective-analysis-on-94-patients-on-behalf-of-the-gruppo-italiano-trapianto-di-midollo-osseo
#13
Michele Malagola, Valeria Cancelli, Cristina Skert, Pierino Ferremi Leali, Emilio Ferrari, Alessandra Tiburzi, Maria Luisa Sala, Irene Donnini, Patrizia Chiusolo, Alberto Mussetti, Marta Battista, Alessandro Turra, Federica Cattina, Benedetta Rambaldi, Francesca Schieppati, Nicola Polverelli, Simona Bernardi, Simone Perucca, Mirella Marini, Daniele Laszlo, Chiara Savignano, Francesca Patriarca, Paolo Corradini, Nicola Piccirillo, Simona Sica, Alberto Bosi, Domenico Russo
BACKGROUND: Extracorporeal photopheresis (ECP) is considered a valid second-line treatment for acute and chronic graft versus host disease (GVHD). METHODS: Ninety-four patients with acute GVHD (aGVHD) (n = 45) and chronic GVHD (cGVHD) (n = 49), retrospectively recruited in 6 Italian centers, were submitted to ECP for second-line treatment. At the time of ECP, 22 (49%) and 23 (51%) of 45 patients with aGHVD were nonresponsive and in partial remission (PR) after steroids, respectively, and all the 49 patients with cGVHD were steroid refractory...
December 2016: Transplantation
https://www.readbyqxmd.com/read/27851860/dermatopulmonary-syndrome-associated-with-anti-mda5-antibodies-after-allogeneic-hematopoietic-stem-cell-transplantation
#14
Clémence Lepelletier, Djaouida Bengoufa, Zeltni Lyes, Adèle de Masson, François Chasset, Marie Jachiet, David Michonneau, Marie Robin, Régis Peffault de Latour, Flore Sicre de Fontbrune, Yacine Tandjaoui-Lambiotte, Armand Bensussan, Michel Rybojad, Abdellatif Tazi, Martine Bagot, Gérard Socié, Anne Bergeron, Jean-David Bouaziz
Importance: Chronic graft-vs-host-disease (cGVHD) after allogeneic stem cell transplantation (AHSCT) may resemble autoimmune diseases. Anti-MDA5 (melanoma differentiation-associated gene 5) dermatopulmonary syndrome is a subset of dermatomyositis defined by specific clinical features and detection of anti-MDA5-antibodies in the serum. Objective: To characterize the clinical features of patients who underwent AHSCT and screened positively for anti-MDA5 antibodies...
November 16, 2016: JAMA Dermatology
https://www.readbyqxmd.com/read/27818317/assessment-of-dry-eye-in-a-gvhd-murine-model-approximation-through-tear-osmolarity-measurement
#15
Rafael Martínez-Carrasco, Luis Ignacio Sánchez-Abarca, Cristina Nieto-Gómez, Elisabet Martín García, Teresa L Ramos, Almudena Velasco, Fermín Sánchez-Guijo, José Aijón, Emiliano Hernández-Galilea
Dry eye disease is one of the most frequent pathological events that take place in the course of the graft versus host disease (GVHD), and is the main cause of deterioration in quality of life for patients. Thus, demonstration of dry eye signs in murine models of oGVHD is crucial for the validation of these models for the study of the disease. Given the increasing evidence that tear osmolarity is an important player of dry eye disease, our purpose in this study was to validate the use of a reliable method to assess tear osmolarity in mice: the electrical impedance method...
November 3, 2016: Experimental Eye Research
https://www.readbyqxmd.com/read/27789362/allogeneic-transplantation-for-relapsed-waldenstr%C3%A3-m-macroglobulinemia-and-lymphoplasmacytic-lymphoma
#16
Robert F Cornell, Veronika Bachanova, Anita D'Souza, Kwang Woo-Ahn, Michael Martens, Jiaxing Huang, A Samer Al-Homsi, Saurabh Chhabra, Edward Copelan, Miguel-Angel Diaz, Cesar O Freytes, Robert Peter Gale, Siddhartha Ganguly, Mehdi Hamadani, Gerhard Hildebrandt, Rammurti T Kamble, Mohamed Kharfan-Dabaja, Tamila Kindwall-Keller, Hillard M Lazarus, David I Marks, Taiga Nishihori, Richard F Olsson, Ayman Saad, Saad Usmani, David H Vesole, Jean Yared, Tomer Mark, Yago Nieto, Parameswaran Hari
Waldenström macroglobulinemia/lymphoplasmacytic lymphoma (WM/LPL) is characterized by lymphoplasmacytic proliferation, lymph node and spleen enlargement, bone marrow involvement, and IgM production. Treatment varies based on the extent and biology of disease. In some patients, the use of allogeneic hematopoietic cell transplantation (alloHCT) may have curative potential. We evaluated long-term outcomes of 144 patients who received adult alloHCT for WM/LPL. Data were obtained from the Center for International Blood and Marrow Transplant Research database (2001 to 2013)...
January 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/27789361/hematopoietic-cell-transplantation-comorbidity-index-predicts-outcomes-in-patients-with-acute-myeloid-leukemia-and-myelodysplastic-syndromes-receiving-cd34-selected-grafts-for-allogeneic-hematopoietic-cell-transplantation
#17
Pere Barba, Ravin Ratan, Christina Cho, Izaskun Ceberio, Patrick Hilden, Sean M Devlin, Molly A Maloy, Juliet N Barker, Hugo Castro-Malaspina, Ann A Jakubowski, Guenther Koehne, Esperanza B Papadopoulos, Doris M Ponce, Craig Sauter, Roni Tamari, Marcel R M van den Brink, James W Young, Richard J O'Reilly, Sergio A Giralt, Miguel-Angel Perales
To evaluate the association between the hematopoietic cell transplantation-comorbidity index (HCT-CI) and the recently developed age-adjusted HCT-CI (HCT-CI/age) and transplant outcomes in the setting of CD34-selected allogeneic HCT, we analyzed a homogeneous population of patients undergoing allogeneic HCT with CD34-selected grafts for acute myeloid leukemia and myelodysplastic syndrome (n = 346). Median HCT-CI and HCT-CI/age scores were 2 (percentile 25 to 75, 1 to 4) and 3 (percentile 25 to 75, 1 to 5), respectively...
January 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/27771742/pre-engraftment-bloodstream-infections-in-acute-leukemia-patients-undergoing-unrelated-cord-blood-transplantation-following-intensified-myeloablative-conditioning-without-atg
#18
Changcheng Zheng, Baolin Tang, Xiaoyu Zhu, Xuhan Zhang, Lei Zhang, Liangquan Geng, Huilan Liu, Zimin Sun
The aim of this study is to investigate the impact of pre-engraftment bloodstream infections (BSIs) on the outcomes in acute leukemia patients undergoing myeloablative cord blood transplantation (CBT). A total of 226 acute leukemia patients who received unrelated CBT were enrolled in this study, and all these patients received an intensified myeloablative conditioning without ATG. Pre-engraftment BSIs occurred in 72 patients (31.9 %), and the median time of onset was 4.5 days after cord blood infusion, BSIs of gram-negative bacilli, and gram-positive cocci comprised of 63...
January 2017: Annals of Hematology
https://www.readbyqxmd.com/read/27766695/invasive-fungal-infections-in-pediatric-patients-treated-with-tumor-necrosis-alpha-tnf-%C3%AE-inhibitors
#19
Athanasios Tragiannidis, Ioannis Kyriakidis, Ilse Zündorf, Andreas H Groll
Macromolecular immunosuppressive monoclonal antibodies and fusion proteins directed against molecules or cells involved in inflammation and immunity represent a recent and important addition to our therapeutic armamentarium. Tumor necrosis alpha (TNFα) is a cytokine involved in systemic inflammation and clinical utilization of its antagonists has revolutionized treatment of juvenile rheumatoid and psoriatic arthritis, ankylosing spondylitis, Crohn's disease, ulcerative colitis, and plaque psoriasis. Clinical utility has also been demonstrated for use against steroid-refractory graft-vs-host disease and other immune-mediated conditions...
October 21, 2016: Mycoses
https://www.readbyqxmd.com/read/27753891/ish-nia-os-06-putative-mechanisms-for-cerebrovascular-remodelling-in-the-spontaneously-hypertensive-rat-shr-using-transcriptomics
#20
Dawid Walas, Karol Nowicki-Osuch, Dominic Alibhai, Julian Paton
OBJECTIVE: Cerebrovascular remodeling in the SHR may be causative to the known brainstem hypoperfusion. Using RNA sequencing, we examined age-related processes that may govern remodeling of the cerebral arteries in the SHR. DESIGN AND METHOD: In SHR and their progenitor (normotensive) control (Wistar Kyoto, WKY), RNA-seq was performed at three ages: 5, 9, 13 weeks old. Cerebral arteries were flushed and peeled off the brain, stripped of meninges, snap frozen and RNA extracted...
September 2016: Journal of Hypertension
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