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Graft vs host disease

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https://www.readbyqxmd.com/read/27913527/myelofibrosis-to-transplant-or-not-to-transplant
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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)...
October 24, 2016: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/27789361/hematopoietic-cell-transplantation-specific-comorbidity-index-predicts-outcomes-in-patients-with-acute-myeloid-leukemia-and-myelodysplastic-syndromes-receiving-cd34-selected-grafts-for-allogeneic-hematopoietic-cell-transplantation
#8
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-specific 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...
October 24, 2016: 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
#9
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...
October 22, 2016: Annals of Hematology
https://www.readbyqxmd.com/read/27766695/invasive-fungal-infections-in-pediatric-patients-treated-with-tumor-necrosis-alpha-tnf-%C3%AE-inhibitors
#10
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
#11
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
https://www.readbyqxmd.com/read/27746781/comparative-analysis-of-clinical-scale-ifn-%C3%AE-positive-t-cell-enrichment-using-partially-and-fully-integrated-platforms
#12
Christoph Priesner, Ruth Esser, Sabine Tischer, Michael Marburger, Krasimira Aleksandrova, Britta Maecker-Kolhoff, Hans-Gert Heuft, Lilia Goudeva, Rainer Blasczyk, Lubomir Arseniev, Ulrike Köhl, Britta Eiz-Vesper, Stephan Klöß
BACKGROUND AND AIMS: The infusion of enriched CMV-specific donor T-cells appears to be a suitable alternative for the treatment of drug-resistant CMV reactivation or de novo infection after both solid organ and hematopoietic stem cell transplantation. Antiviral lymphocytes can be selected from apheresis products using the CliniMACS Cytokine-Capture-System(®) either with the well-established CliniMACS(®) Plus (Plus) device or with its more versatile successor CliniMACS Prodigy(®) (Prodigy)...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/27746112/association-of-busulfan-exposure-with-survival-and-toxicity-after-haemopoietic-cell-transplantation-in-children-and-young-adults-a-multicentre-retrospective-cohort-analysis
#13
Imke H Bartelink, Arief Lalmohamed, Elisabeth M L van Reij, Christopher C Dvorak, Rada M Savic, Juliette Zwaveling, Robbert G M Bredius, Antoine C G Egberts, Marc Bierings, Morris Kletzel, Peter J Shaw, Christa E Nath, George Hempel, Marc Ansari, Maja Krajinovic, Yves Théorêt, Michel Duval, Ron J Keizer, Henrique Bittencourt, Moustapha Hassan, Tayfun Güngör, Robert F Wynn, Paul Veys, Geoff D E Cuvelier, Sarah Marktel, Robert Chiesa, Morton J Cowan, Mary A Slatter, Melisa K Stricherz, Cathryn Jennissen, Janel R Long-Boyle, Jaap Jan Boelens
BACKGROUND: Intravenous busulfan combined with therapeutic drug monitoring to guide dosing improves outcomes after allogeneic haemopoietic cell transplantation (HCT). The best method to estimate busulfan exposure and optimum exposure in children or young adults remains unclear. We therefore assessed three approaches to estimate intravenous busulfan exposure (expressed as cumulative area under the curve [AUC]) and associated busulfan AUC with clinical outcomes in children or young adults undergoing allogeneic HCT...
October 13, 2016: Lancet Haematology
https://www.readbyqxmd.com/read/27740636/pre-transplant-donor-cd4-invariant-nkt-cell-expansion-capacity-predicts-the-occurrence-of-acute-graft-versus-host-disease
#14
M-T Rubio, M Bouillié, N Bouazza, T Coman, H Trebeden-Nègre, A Gomez, F Suarez, D Sibon, A Brignier, E Paubelle, S Nguyen-Khoc, M Cavazzana, O Lantz, M Mohty, S Urien, O Hermine
Clinically useful pre-transplant predictive factors of acute graft-versus-host-disease (aGVHD) after allogeneic hematopoietic stem cell transplantation (allo-SCT) are lacking. We prospectively analyzed HSC graft content in CD34(+), NK, conventional T, regulatory T and invariant NKT (iNKT) cells in 117 adult patients before allo-SCT. Results were correlated with occurrence of aGVHD and relapse. In univariate analysis, iNKT cells were the only graft cell populations associated with occurrence of aGVHD. In multivariate analysis, CD4(-) iNKT/T cell frequency could predict grade II-IV aGVHD in bone marrow and peripheral blood stem cell (PBSC) grafts, while CD4(-) iNKT expansion capacity was predictive in PBSC grafts...
October 14, 2016: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/27714774/similar-incidence-of-severe-acute-gvhd-and-less-severe-chronic-gvhd-in-pbsct-from-unmanipulated-haploidentical-donors-compared-with-that-from-matched-sibling-donors-for-patients-with-haematological-malignancies
#15
Hong-Hua Li, Fei Li, Chun-Ji Gao, Wen-Rong Huang, Jian Bo, Li-Ping Dou, Li-Li Wang, Yu Jing, Lu Wang, Wen-Jun Li, Li Yu, Dai-Hong Liu
The features of graft-versus-host disease (GVHD) were compared between patients who underwent myeloablative conditioning and received a peripheral blood stem cell transplant (PBSCT) from either a haploidentical donor (HID) or a matched sibling donor (MSD) during the same period of time. The HID group included more patients with advanced disease. Both groups received the same GVHD prophylaxis with the addition of antithymoglobulin (ATG) in HID group. Higher cumulative incidences (CI) of acute GVHD grade 2-4 (35·1% vs...
October 7, 2016: British Journal of Haematology
https://www.readbyqxmd.com/read/27698695/rare-case-of-disseminated-fusariosis-in-a-young-patient-with-graft-vs-host-disease-following-an-allogeneic-transplant
#16
Alina Tanase, Anca Colita, Gabriel Ianosi, Daniela Neagoe, Daciana Elena Branisteanu, Daniela Calina, Anca Oana Docea, Aristidis Tsatsakis, Simona Laura Ianosi
Fusarium infection is a severe fungal infection caused by fungi of the genus Fusarium. It most commonly occurs in immunocompromised patients with malignant hematological comorbidities or secondary to hematopoietic stem cell transplant. The classical route of contamination is through inhalation but infection may also occur through contiguity with a skin lesion. This report describes the case of a 24-year-old woman who developed graft-vs.-host disease (GVHD) at 220 days after receiving an allogeneic stem cell transplant from a sibling donor for Hodgkin disease...
October 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/27696238/embryonic-kidney-function-in-a-chronic-renal-failure-model-in-rodents
#17
Eisuke Fujimoto, Shuichiro Yamanaka, Sho Kurihara, Susumu Tajiri, Luna Izuhara, Yuichi Katsuoka, Shinya Yokote, Kei Matsumoto, Eiji Kobayashi, Hirotaka James Okano, Tatsuya Chikaraishi, Takashi Yokoo
BACKGROUND: Rapid advancements have been made in alternative treatments for renal diseases. Our goal for renal regeneration is to establish a kidney graft derived from human embryonic tissues. In this study, we investigated the effects of host renal failure on the structure and activity of transplanted embryonic kidney and bladder, and found that diuretics effectively induced urine production in the transplanted kidney. METHODS: Uremic conditions were reproduced using a 5/6 renal infarction rat model...
September 30, 2016: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/27687726/psoralen-and-ultraviolet-a-light-treatment-directly-affects-phosphatidylinositol-3-kinase-signal-transduction-by-altering-plasma-membrane-packing
#18
Britt Van Aelst, Rosalie Devloo, Pierre Zachée, Ruben t'Kindt, Koen Sandra, Philippe Vandekerckhove, Veerle Compernolle, Hendrik B Feys
Psoralen and ultraviolet A light (PUVA) are used to kill pathogens in blood products and as a treatment of aberrant cell proliferation in dermatitis, cutaneous T-cell lymphoma, and graft-versus-host disease. DNA damage is well described, but the direct effects of PUVA on cell signal transduction are poorly understood. Because platelets are anucleate and contain archetypal signal transduction machinery, they are ideally suited to address this. Lipidomics on platelet membrane extracts showed that psoralen forms adducts with unsaturated carbon bonds of fatty acyls in all major phospholipid classes after PUVA...
November 18, 2016: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/27686673/comparison-of-cyclosporine-and-tacrolimus-combined-with-mycophenolate-mofetil-in-prophylaxis-for-graft-versus-host-disease-after-reduced-intensity-umbilical-cord-blood-transplantation
#19
Toshihiro Miyamoto, Shuichiro Takashima, Koji Kato, Ken Takase, Goichi Yoshimoto, Shuro Yoshida, Hideho Henzan, Koichi Osaki, Tomohiko Kamimura, Hiromi Iwasaki, Tetsuya Eto, Takanori Teshima, Koji Nagafuji, Koichi Akashi
Umbilical cord blood transplantation with a reduced-intensity conditioning regimen (RIC-UCBT) is used increasingly in patients who have comorbid organ functions and lack human leukocyte antigen-identical donors. We compared the outcomes in 35 patients who received mycophenolate mofetil plus cyclosporine (MMF/CSP, n = 17) or MMF plus tacrolimus (MMF/TAC, n = 18) for graft-versus-host disease (GVHD) prophylaxis after RIC-UCBT. Cumulative incidence of neutrophil engraftment was 94 and 89 % in MMF/CSP and MMF/TAC groups, respectively (p = 0...
September 29, 2016: International Journal of Hematology
https://www.readbyqxmd.com/read/27677732/clinical-pharmacokinetics-of-mycophenolic-acid-in-hematopoietic-stem-cell-transplantation-recipients
#20
Daping Zhang, Diana S-L Chow
Mycophenolate mofetil (MMF), an ester prodrug of mycophenolic acid (MPA), is widely used as a maintenance immunosuppressive regimen in solid organ transplant patients. It is increasingly used for the prophylaxis and treatment of graft-versus-host disease (GVHD) in hematopoietic stem cell transplantation (HSCT) patients. MPA displays extensive binding to serum albumin and glucuronidation to the inactive MPA-7-O-glucuronide (MPAG). Here, we review and discuss the pertinent information regarding the clinical pharmacokinetics of MPA in HSCT patients...
September 27, 2016: European Journal of Drug Metabolism and Pharmacokinetics
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