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https://www.readbyqxmd.com/read/28346419/evolving-concepts-in-prognostic-scoring-of-chronic-gvhd
#1
REVIEW
A Lazaryan, M Arora
Chronic GvHD (cGvHD) remains one of the most complex and challenging complications after allogeneic hematopoietic cell transplantation. Emerging knowledge about the clinical manifestations and associated organ involvement of cGvHD has led to the establishment of prognostic parameters for post-transplant survival among affected allograft recipients. Studies employing the pre-National Institutes of Health (NIH) consensus data on cGvHD incidence and its risks have led to development of the CIBMTR's cGvHD risk stratification, which serves as the most refined and validated prognostic tool for estimating survival of patients with cGvHD...
March 27, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28346418/first-experience-of-hematopoietic-stem-cell-transplantation-treatment-of-shwachman-diamond-syndrome-using-unaffected-hla-matched-sibling-donor-produced-through-preimplantation-hla-typing
#2
A A Isaev, R V Deev, A Kuliev, I L Plaxa, N V Stancheva, A S Borovkova, I V Potapov, E A Pomerantseva, A G Chogovadze, K Y Boyarsky, A E Semenenko, A V Mikhailov, K G Shevchenko, A V Prikhodko, S Rechitsky, O V Paina, I M Barchatov, L S Zubarovskaya, O Verlinsky, I Y Bozo, B V Afanasyev
The only proven cure for Shwachman-Diamond syndrome (SDS) bone marrow failure is allogeneic hematopoietic stem cell transplantation (HSCT). However HSCT with donors other than HLA-identical siblings is associated with high mortality and unfavorable prognosis. This paper presents the first experience of HSCT treatment of SDS using an unaffected HLA-identical sibling produced through preimplantation genetic diagnosis (PGD). The patient was a 6-year-old blood transfusion-dependent SDS baby girl with secondary myelodysplastic syndrome, for whom no HLA-identical donor was available...
March 27, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28346417/bacterial-bloodstream-infections-in-the-allogeneic-hematopoietic-cell-transplant-patient-new-considerations-for-a-persistent-nemesis
#3
REVIEW
C E Dandoy, M I Ardura, G A Papanicolaou, J J Auletta
Bacterial bloodstream infections (BSI) cause significant transplant-related morbidity and mortality following allogeneic hematopoietic cell transplantation (allo-HCT). This manuscript reviews the risk factors for and the bacterial pathogens causing BSIs in allo-HCT recipients in the contemporary transplant period. In addition, it offers insight into emerging resistant pathogens and reviews clinical management considerations to treat and strategies to prevent BSIs in allo-HCT patients.Bone Marrow Transplantation advance online publication, 27 March 2017; doi:10...
March 27, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28346414/nivolumab-before-and-after-allogeneic-hematopoietic-cell-transplantation
#4
F Covut, R Pinto, B W Cooper, B Tomlinson, L Metheny, E Malek, H M Lazarus, M de Lima, P F Caimi
No abstract text is available yet for this article.
March 27, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28346229/clinical-efficacy-of-gene-modified-stem-cells-in-adenosine-deaminase-deficient-immunodeficiency
#5
Kit L Shaw, Elizabeth Garabedian, Suparna Mishra, Provaboti Barman, Alejandra Davila, Denise Carbonaro, Sally Shupien, Christopher Silvin, Sabine Geiger, Barbara Nowicki, E Monika Smogorzewska, Berkley Brown, Xiaoyan Wang, Satiro de Oliveira, Yeong Choi, Alan Ikeda, Dayna Terrazas, Pei-Yu Fu, Allen Yu, Beatriz Campo Fernandez, Aaron R Cooper, Barbara Engel, Greg Podsakoff, Arumugam Balamurugan, Stacie Anderson, Linda Muul, G Jayashree Jagadeesh, Neena Kapoor, John Tse, Theodore B Moore, Ken Purdy, Radha Rishi, Kathey Mohan, Suzanne Skoda-Smith, David Buchbinder, Roshini S Abraham, Andrew Scharenberg, Otto O Yang, Kenneth Cornetta, David Gjertson, Michael Hershfield, Rob Sokolic, Fabio Candotti, Donald B Kohn
BACKGROUND: Autologous hematopoietic stem cell transplantation (HSCT) of gene-modified cells is an alternative to enzyme replacement therapy (ERT) and allogeneic HSCT that has shown clinical benefit for adenosine deaminase-deficient (ADA-deficient) SCID when combined with reduced intensity conditioning (RIC) and ERT cessation. Clinical safety and therapeutic efficacy were evaluated in a phase II study. METHODS: Ten subjects with confirmed ADA-deficient SCID and no available matched sibling or family donor were enrolled between 2009 and 2012 and received transplantation with autologous hematopoietic CD34+ cells that were modified with the human ADA cDNA (MND-ADA) γ-retroviral vector after conditioning with busulfan (90 mg/m2) and ERT cessation...
March 27, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28345022/ex%C3%A2-vivo-oncolytic-virotherapy-with-myxoma-virus-arms-multiple-allogeneic-bone-marrow-transplant-leukocytes-to-enhance-graft-versus-tumor
#6
Cameron L Lilly, Nancy Y Villa, Ana Lemos de Matos, Haider M Ali, Jess-Karan S Dhillon, Tom Hofland, Masmudur M Rahman, Winnie Chan, Bjarne Bogen, Christopher Cogle, Grant McFadden
Allogeneic stem cell transplant-derived T cells have the potential to seek and eliminate sites of residual cancer that escaped primary therapy. Oncolytic myxoma virus (MYXV) exhibits potent anti-cancer efficacy against human cancers like multiple myeloma (MM) and can arm transplant-derived T cells to become more effective cancer killers in vitro and in an immunodeficient xenotransplant murine model. Here, we tested ex vivo MYXV virotherapy against residual murine MM in immunocompetent mice using an allogeneic mouse-mouse model...
March 17, 2017: Molecular Therapy Oncolytics
https://www.readbyqxmd.com/read/28345000/syngeneic-aav-pseudo-particles-potentiate-gene-transduction-of-aav-vectors
#7
Qizhao Wang, Biao Dong, Katie A Pokiniewski, Jenni Firrman, Zhongren Wu, Mario P S Chin, Xiongwen Chen, LinShu Liu, Ruian Xu, Yong Diao, Weidong Xiao
Adeno-associated virus (AAV) vectors have emerged as a safe and efficient gene therapy platform. One complication is that a significant amount of empty particles have always been generated as impurities during AAV vector production. However, the effects of such particles on AAV vector performance remain unclear. Here we systemically evaluated the biological properties of three types of "empty" AAV particles: syngeneic pseudo-vectors with partial AAV genomes derived from DNA of the corresponding full particles, allogeneic pseudo-vectors with partial genomes different from the corresponding full particles, and null pseudo-vectors with no DNA inside the capsids...
March 17, 2017: Molecular Therapy. Methods & Clinical Development
https://www.readbyqxmd.com/read/28344987/safe-and-effective-gene-therapy-for-murine-wiskott-aldrich-syndrome-using-an-insulated-lentiviral-vector
#8
Swati Singh, Iram Khan, Socheath Khim, Brenda Seymour, Karen Sommer, Matthew Wielgosz, Zachary Norgaard, Hans-Peter Kiem, Jennifer Adair, Denny Liggitt, Arthur Nienhuis, David J Rawlings
Wiskott-Aldrich syndrome (WAS) is a life-threatening immunodeficiency caused by mutations within the WAS gene. Viral gene therapy to restore WAS protein (WASp) expression in hematopoietic cells of patients with WAS has the potential to improve outcomes relative to the current standard of care, allogeneic bone marrow transplantation. However, the development of viral vectors that are both safe and effective has been problematic. While use of viral transcriptional promoters may increase the risk of insertional mutagenesis, cellular promoters may not achieve WASp expression levels necessary for optimal therapeutic effect...
March 17, 2017: Molecular Therapy. Methods & Clinical Development
https://www.readbyqxmd.com/read/28344975/equine-dental-pulp-connective-tissue-particles-reduced-lameness-in-horses-in-a-controlled-clinical-trial
#9
Alicia L Bertone, Nathalie A Reisbig, Allison H Kilborne, Mari Kaido, Navid Salmanzadeh, Rebecca Lovasz, Joy L Sizemore, Logan Scheuermann, Rosalind J Kopp, Lisa J Zekas, Matthew T Brokken
OBJECTIVE: To assess if injection of allogeneic dental pulp tissue particles would improve lameness in horses with naturally occurring osteoarthritis (OA) or soft tissue (ST) injury. DESIGN: Prospective, randomized, blinded, and controlled clinical trial and client survey assessment. ANIMALS: Forty lame client-owned horses. PROCEDURES: Sterile dental pulp, recovered from otherwise healthy foals that perish during dystocia, was processed under good manufacturing processing to produce mechanically manipulated, unexpanded pulp tissue particles containing viable cells surrounded in extracellular matrix...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28344877/impact-of-chemo-radiotherapy-on-immune-cell-composition-and-function-in-cervical-cancer-patients
#10
H van Meir, R A Nout, M J P Welters, N M Loof, M L de Kam, J J van Ham, S Samuels, G G Kenter, A F Cohen, C J M Melief, J Burggraaf, M I E van Poelgeest, S H van der Burg
New treatments based on combinations of standard therapeutic modalities and immunotherapy are of potential use, but require a profound understanding of immune modulatory properties of standard therapies. Here, the impact of standard (chemo)radiotherapy on the immune system of cervical cancer patients was evaluated. Thirty patients with cervical cancer were treated with external beam radiation therapy (EBRT), using conventional three-dimensional or intensity modulated radiation therapy without constraints for bone marrow sparing...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28344060/basal-cd34-cell-count-predicts-peripheral-blood-stem-cell-mobilization-in-healthy-donors-after-administration-of-g-csf-a-longitudinal-prospective-observational-single-center-cohort-study
#11
Massimo Martino, Mercedes Gori, Annalisa Pitino, Massimo Gentile, Antonia Dattola, Antonella Pontari, Ernesto Vigna, Tiziana Moscato, Anna Grazia Recchia, Santina Barilla', Giovanni Tripepi, Fortunato Morabito
A longitudinal, prospective, observational, single-center, cohort study on healthy donors (HDs) was designed to identify predictors of CD34+ cells on day 5 with emphasis on the predictive value of the basal CD34+ cell count. As potential predictors of mobilization, age, sex, body weight, height, blood volume as well as white blood cell count, peripheral blood (PB) mononuclear cells, platelet count, hematocrit, and hemoglobin levels were considered. Two different evaluations of CD34+ cell counts were determined for each donor: baseline (before granulocyte colony-stimulating factor [G-CSF] administration) and in PB after G-CSF administration on the morning of the fifth day (day 5)...
March 24, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28344059/gastrointestinal-toxicity-systemic-inflammation-and-liver-biochemistry-in-allogeneic-haematological-stem-cell-transplantation
#12
K Jordan, P Pontoppidan, H Uhlving, K Kielsen, D G Burrin, S Weichendorff, I J Christensen, M H Jørgensen, C Heilmann, H Sengeløv, K Müller
INTRODUCTION: Liver toxicity is frequently seen in relation to allogeneic hematopoietic stem cell transplantation (HSCT), but pathogenesis and the risk factors are poorly understood. The purpose of this study was to investigate associations between liver toxicity, gastrointestinal toxicity and levels of immune regulating cytokines during the early post-transplant period. METHODS: We prospectively included 81 children and adults undergoing HSCT after myeloablative conditioning...
March 23, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28344058/possible-impact-of-cmv-specific-cd8-t-cells-on-immune-reconstitution-and-conversion-to-complete-donor-chimerism-after-allogeneic-sct
#13
Justyna Ogonek, Pavankumar Varanasi, Susanne Luther, Patrick Schweier, Wolfgang Kühnau, Gudrun Göhring, Elke Dammann, Michael Stadler, Arnold Ganser, Sylvia Borchers, Ulrike Koehl, Eva M Weissinger, Lothar Hambach
Complete donor chimerism is strongly associated with complete remission after allogeneic stem cell transplantation (allo-SCT) in patients with hematological malignancies. Donor-derived allo-immune responses are eliminating the residual host hematopoiesis and thereby mediate the conversion to complete donor chimerism. Recently, CMV reactivation has been described to enhance overall T-cell reconstitution, to increase graft-versus-host disease (GvHD) incidence and to reduce the leukemia relapse risk. However, the link between CMV and allo-immune responses is still unclear...
March 23, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28344057/ruxolitinib-as-salvage-therapy-in-steroid-refractory-acute-graft-versus-host-disease-in-pediatric-hematopoietic-stem-cell-transplant-patients
#14
Pooja Khandelwal, Ashley Teusink-Cross, Adam S Nelson, Christopher E Dandoy, Javier El-Bietar, Rebecca A Marsh, Ashish R Kumar, Michael S Grimley, Stella M Davies, Sonata Jodele, Kasiani C Myers
We describe our retrospective clinical experience with ruxolitinib for steroid-refractory acute graft versus host disease (GVHD) in pediatric allogeneic hematopoietic stem cell transplant (HSCT) patients. Ruxolitinib was administered orally at 5 mg twice daily for children ≥ 25 kg or 2.5 mg twice daily if < 25 kg. We excluded patients who received new immune suppressive agents within two weeks before initiation of ruxolitinib from response analysis. Patients were called a treatment failure if ruxolitinib was stopped before completion of 4 weeks of therapy due to adverse effects and not because of progression of acute GVHD...
March 23, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28342811/myeloid-sarcoma-presentation-diagnosis-and-treatment
#15
REVIEW
L Max Almond, Maria Charalampakis, Samuel J Ford, David Gourevitch, Anant Desai
Myeloid sarcoma is an extramedullary tumor of immature granulocytic cells. It is a rare condition, most often associated with acute myeloid leukemia (AML), although in some rare cases it may present in nonleukemic patients. It should therefore be considered as a differential diagnosis of any atypical cellular infiltrate. It may occur at any site, leading to very varied clinical presentations. Diagnosis is challenging and relies on a high index of suspicion as well as radiology, histology, immunophenotyping, and molecular analyses, which also are essential for risk stratification and treatment planning...
March 7, 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/28342287/longitudinal-evaluation-of-perfusion-changes-in-acute-and-chronic-renal-allograft-rejection-using-arterial-spin-labeling-in-translational-mouse-models
#16
Katja Hueper, Martina Schmidbauer, Anja Thorenz, Jan H Bräsen, Marcel Gutberlet, Michael Mengel, Dagmar Hartung, Rongjun Chen, Martin Meier, Hermann Haller, Frank Wacker, Song Rong, Faikah Gueler
PURPOSE: To examine the longitudinal changes of renal perfusion due to acute and chronic renal allograft rejection by using arterial spin labeling (ASL) MRI in translational mouse models of isogenic and allogenic kidney transplantation (ktx). MATERIALS AND METHODS: Acute rejection was induced by allogenic ktx of C57BL/6 (B6)-kidney grafts to BALB/c-recipients with prolonged cold ischemia (CIT) of 60 minutes (n = 13). To induce chronic rejection BALB/c-kidneys were transplanted into B6-recipients with short CIT of 30 minutes (n = 22)...
March 25, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28341815/tgf-%C3%AE-1-transduced-mesenchymal-stem-cells-have-profound-modulatory-effects-on-dcs-and-t-cells
#17
Saeed Daneshmandi, Mohammad Hossein Karimi, Ali Akbar Pourfathollah
BACKGROUND: Mesenchymal stem cells (MSCs) and transforming growth factor-β1 (TGF-β1) molecules are well known for their immunomodulatory properties and their function in tissue regeneration and remodeling. OBJECTIVES: To evaluate the interaction of TGF-β1 engineered MSCs with T cells and dendritic cells (DCs) and their modulatory effect on the immune response. METHODS: MSCs and DCs were generated from bone marrow of Balb/c mice and T cells were generated from mice lymph nodes...
March 2017: Iranian Journal of Immunology: IJI
https://www.readbyqxmd.com/read/28341735/venous-thromboembolism-is-associated-with-graft-versus-host-disease-and-increased-non-relapse-mortality-after-allogeneic-hematopoietic-stem-cell-transplantation
#18
Natasha Kekre, Haesook T Kim, Vincent T Ho, Corey Cutler, Philippe Armand, Sarah Nikiforow, Edwin P Alyea, Robert J Soiffer, Joseph H Antin, Jean M Connors, John Koreth
Although venous thromboembolism rates and risk factors are well described in patients with cancer, there are limited data on the incidence, risk factors and outcomes of thrombosis after allogeneic stem cell transplantation, a curative therapy for patients with hematologic malignancies. We aimed to determine the incidence and risks associated with venous thrombosis in allogeneic stem cell transplant. We studied 2276 recipients of first transplant between 2002-2013 at our institution with a median follow-up of 50 months (range 4-146)...
March 24, 2017: Haematologica
https://www.readbyqxmd.com/read/28341734/development-of-a-modified-prognostic-index-of-patients-with-aggressive-adult-t-cell-leukemia-lymphoma-aged-70-years-or-younger-a-possible-risk-adapted-management-strategies-including-allogeneic-transplantation
#19
Shigeo Fuji, Takuhiro Yamaguchi, Yoshitaka Inoue, Atae Utsunomiya, Yukiyoshi Moriuchi, Kaoru Uchimaru, Satsuki Owatari, Takashi Miyagi, Jun Taguchi, Ilseung Choi, Eiichi Otsuka, Sawako Nakachi, Hisashi Yamamoto, Saiko Kurosawa, Kensei Tobinai, Takahiro Fukuda
Adult T-cell leukemia-lymphoma is a distinct type of peripheral T-cell lymphoma caused by human T-cell lymphotropic virus type I. Although allogeneic stem cell transplantation after chemotherapy is a recommended treatment option for patients with aggressive adult T-cell leukemia-lymphoma, there is no consensus about indications for allogeneic stem cell transplantation because there is no established risk stratification system for transplant eligible patients. We conducted a nationwide survey of patients with aggressive adult T-cell leukemia-lymphoma to construct a new large database that includes 1,792 patients aged 70 years or younger with aggressive adult T-cell leukemia-lymphoma who were diagnosed between 2000 and 2013 and received intensive first-line chemotherapy...
March 24, 2017: Haematologica
https://www.readbyqxmd.com/read/28341078/isolation-molecular-characterization-and-in%C3%A2-vitro-differentiation-of-bovine-wharton-jelly-derived-multipotent-mesenchymal-cells
#20
Anna Lange-Consiglio, Claudia Perrini, Alessia Bertero, Paola Esposti, Fausto Cremonesi, Leila Vincenti
Extrafetal tissues are a noncontroversial and inexhaustible source of mesenchymal stem cells that can be harvested noninvasively at low cost. In the veterinary field, as in man, stem cells derived from extrafetal tissues express plasticity, reduced immunogenicity, and have high anti-inflammatory potential making them promising candidates for treatment of many diseases. Umbilical cord mesenchymal cells have been isolated and characterized in different species and have recently been investigated as potential candidates in regenerative medicine...
February 2017: Theriogenology
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