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Allogeneic stem cell transplantation

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https://www.readbyqxmd.com/read/28324640/cytogenetics-and-comorbidity-predict-outcomes-in-older-myelodysplastic-syndrome-patients-after-allogenic-stem-cell-transplantation-using-reduced-intensity-conditioning
#1
Orhan Kemal Yucel, Rima M Saliba, Gabriella Rondon, Sairah Ahmed, Amin Alousi, Qaiser Bashir, Stefan O Ciurea, Uday Popat, Isa Khouri, David Marin, Katy Rezvani, Partow Kebriaei, Elizabeth J Shpall, Richard E Champlin, Betül Oran
BACKGROUND: Allogeneic hematopoietic stem cell transplantation (allo-HSCT) is the only treatment with a curative potential for myelodysplastic syndrome (MDS) patients. Allo-HSCT has substantial risks, particularly in the elderly, and its role for older MDS patients has yet to be defined. METHODS: We analyzed 88 MDS patients aged ≥ 60 years with allo-HSCT after reduced intensity conditioning regimens over the last decade. The study cohort had high risk features; 47 of 88 (53...
March 21, 2017: Cancer
https://www.readbyqxmd.com/read/28319080/adverse-impact-of-high-donor-cd3-cell-dose-on-outcome-following-tandem-auto-nma-allogeneic-transplantation-for-high-risk-myeloma
#2
A P Nair, P Walker, A Kalff, K Bergin, J Hocking, S Avery, D J Curtis, S Patil, T Das, D Klarica, S Morgan, J Muirhead, M Gorniak, J Reynolds, A Spencer
High-risk (HR) multiple myeloma (MM) has poor outcomes with conventional therapy. Tandem autologous-non-myeloablative (NMA) allogeneic stem cell transplantation (autologous stem cell transplantation (ASCT)-NMA allogeneic SCT) is potentially curative secondary to graft-versus-myeloma effect. We retrospectively analysed ASCT-NMA allogeneic SCT outcomes of 59 HR and relapsed MM patients. At a median follow-up of 35.8 months, the outcomes for HR-MM upfront tandem ASCT-NMA allogeneic SCT and standard-risk (SR) MM upfront ASCT alone were comparable (median PFS 1166 days versus 1465 days, P=0...
March 20, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28319079/permanent-diffuse-alopecia-after-haematopoietic-stem-cell-transplantation-in-childhood
#3
D Bresters, D C M Wanders, M Louwerens, L M Ball, M Fiocco, R van Doorn
Permanent alopecia after haematopoietic stem cell transplantation (HSCT) is distressing and few studies have investigated this late effect. The aim of the study was to assess the percentage of patients with alopecia and investigate risk factors for alopecia. Patients who underwent allogeneic HSCT before age 19 years, from January 1990 to January 2013, who were at least 2 years after transplant and in follow-up in our clinic were included. Alopecia was defined as clinically apparent decreased hair density. Possible risk factors considered for alopecia after HSCT included: gender, age, diagnosis, donor type, conditioning regimen: cranial irradiation (TBI/cranial radiotherapy) and/or chemotherapy, which chemotherapeutic agents were used and acute/chronic GvHD...
March 20, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28319077/non-myeloablative-allogeneic-stem-cell-transplant-with-post-transplant-cyclophosphamide-cures-the-first-adult-patient-with-congenital-dyserythropoietic-anemia
#4
A Oh, P R Patel, N Aardsma, S R Mehendale, R Chowdhery, K Sweiss, D Rondelli
No abstract text is available yet for this article.
March 20, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28319076/clinical-impact-of-hyperglycemia-on-days-0-7-after-allogeneic-stem-cell-transplantation
#5
A Kawajiri, S Fuji, Y Tanaka, C Kono, T Hirakawa, T Tanaka, R Ito, Y Inoue, K Okinaka, S Kurosawa, Y Inamoto, S-W Kim, T Yamashita, T Fukuda
In order to clarify the association between hyperglycemia during the early period after allogeneic stem cell transplantation (allo-SCT) and adverse outcomes, we retrospectively analyzed 563 consecutive patients who underwent allo-SCT at our institute between 2008 and 2015. Patients were categorized into three groups according to mean fasting blood glucose levels on days 0-7 (normoglycemia group<110 mg/dL, n=347; mild hyperglycemia group 110-149 mg/dL, n=192 and moderate/severe hyperglycemia group≥150 mg/dL, n=24)...
March 20, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28319074/tregs-hype-or-hope-for-allogeneic-hematopoietic-stem-cell-transplantation
#6
REVIEW
F Lussana, M Di Ianni, A Rambaldi
The discovery of T regulatory cells has been one of the most important advances in basic immunology and has opened the door to the development of innovative therapeutic strategies for improving the outcome of solid organ and hematopoietic stem cell transplantation. Basic immunology is rapidly elucidating the complex biology of these cells even though the difficulties in purifying or even expanding them in vitro represent a major limitation to the development of clinical studies. The clinical benefit potentially associated with this therapeutic approach remains to be demonstrated...
March 20, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28319073/ex-vivo-t-cell-depletion-in-allogeneic-hematopoietic-stem-cell-transplant-past-present-and-future
#7
REVIEW
A Saad, L S Lamb
The most common cause of post-transplant mortality in patients with hematological malignancy is relapse, followed by GvHD, infections, organ toxicity and second malignancy. Immune-mediated complications such as GvHD continue to be challenging, yet amenable to control through manipulation of the T-cell compartment of the donor graft with subsequent immunomodulation after transplant. However, risk of both relapse and infection increase concomitantly with T-cell depletion (TCD) strategies that impair immune recovery...
March 20, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28319046/t-cells-take-directions-from-supporting-cast-in-graft-versus-host-disease
#8
Derk Amsen
Allogeneic hematopoietic stem cell transplantation (HSCT) remains the only treatment option for several severe hematological malignancies. The development of graft-versus-host disease (GVHD) is a common complication of the procedure and results when donor T cells become activated against recipient-specific antigens. The factors that drive the alloreactive T cell response are not completely understood. In this issue of the JCI, Chung and colleagues present evidence that stromal cells within lymphoid tissue express the Notch ligands Delta-like 1/4 (DLL1 and DLL4), which in turn directly activate T cells...
March 20, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28318150/expression-of-cd4-is-correlated-with-an-unfavorable-prognosis-in-wild-type-npm1-flt3-itd-negative-cytogenetically-normal-adult-acute-myeloid-leukemia
#9
R J Guo, E G Atenafu, A D Schimmer, M D Minden, H Chang
INTRODUCTION: In the cytogenetically normal population of AML (CN-AML), FLT3-ITD-positive and wild-type NPM1 is correlated with a worse outcome, and FLT3-ITD-negative with NPM1-mut is correlated with a better outcome. This leaves a large subpopulation of CN-AML patients without NPM1 or FLT3-ITD mutations with heterogeneous outcomes with overall survivals (OS) ranging from several weeks to years. Therefore, new prognostic markers are needed to better risk stratify this subset of patients...
March 20, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28316929/cytomegalovirus-pneumonitis-complicated-by-a-central-peribronchial-pattern-of-organising-pneumonia
#10
Maria M Cuadrado, Asia Ahmed, Ben Carpenter, Jeremy S Brown
We present five cases of cytomegalovirus (CMV) pneumonitis occurring in patients after recent T cell deplete allogeneic stem cell transplantation (AlloHSCT). These cases were complicated by an organising pneumonia (during the recovery period) with a predominantly central peribronchial pattern. All patients presented with evidence of active CMV pneumonitis which was treated successfully with anti-viral therapy but was followed by persistent severe dyspnoea, cough and hypoxia. High resolution computed tomography (HRCT) imaging showed widespread central peribronchial consolidation with traction bronchiectasis...
2017: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/28315400/multicolor-flow-cytometry-and-multi-gene-next-generation-sequencing-are-complementary-and-highly-predictive-for-relapse-in-acute-myeloid-leukemia-following-allogeneic-transplant
#11
Bartlomiej M Getta, Sean M Devlin, Ross L Levine, Maria E Arcila, Abhinita S Mohanty, Ahmet Zehir, Martin S Tallman, Sergio A Giralt, Mikhail Roshal
Minimal Residual disease (MRD) in acute myeloid leukemia (AML) is typically measured using multi-parameter flow cytometry (MFC). Detection of leukemia mutations using multi-gene next generation sequencing (NGS) can potentially be used to measure residual disease. We used a targeted 28-gene NGS panel to detect mutations and different-from-normal 10-colour MFC to measure MRD in AML patients before allogeneic hematopoietic stem cell transplant (HCT). Residual disease was defined when any abnormal blast population was detected using MFC and when any leukemia allele was detected with a variant allele frequency (VAF) ≥5% using NGS...
March 14, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28314524/development-of-the-japanese-version-of-the-psychosocial-assessment-of-candidates-for-transplantation-in-allogeneic-hematopoietic-stem-cell-transplantation
#12
Saki Harashima, Ryo Yoneda, Takeshi Horie, Mami Kayano, Yosei Fujioka, Fumihiko Nakamura, Mineo Kurokawa, Kazuhiro Yoshiuchi
BACKGROUND: The Psychosocial Assessment of Candidates for Transplantation (PACT) is a validated instrument for evaluating psychosocial risk factors in transplant candidates. OBJECTIVES: This study examined reliability and validity of the Japanese version of the PACT (J-PACT). METHODS: PACT is a clinician-rated scale consisting of an initial rating, 8 subscales, and a final rating. J-PACT was developed through a translation and back-translation procedure...
January 19, 2017: Psychosomatics
https://www.readbyqxmd.com/read/28303517/vascular-and-perivascular-niches-but-not-the-osteoblastic-niche-are-numerically-restored-following-allogeneic-hematopoietic-stem-cell-transplantation-in-patients-with-aplastic-anemia
#13
Liangliang Wu, Wenjian Mo, Yuping Zhang, Ming Zhou, Yumiao Li, Ruiqing Zhou, Shiling Xu, Shiyi Pan, Hui Deng, Ping Mao, Shunqing Wang
Bone marrow (BM) niches, including the osteoblastic, vascular, and perivascular niches, are numerically impaired in patients with aplastic anemia (AA). It remains unclear whether these niches are numerically restored in AA patients after allogenic hematopoietic stem cell transplantation (allo-HSCT). To investigate changes in BM niches, we monitored 52 patients with AA who had undergone allo-HSCT and performed immunohistochemical studies of BM niches using antibodies against CD34, CD146, and osteopontin. After allo-HSCT, patients with AA exhibited a remarkable increase in the number of cellular elements in the BM niches, including the vascular and perivascular cells...
March 16, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28301836/long-term-remission-following-autologous-hematopoietic-cell-transplantation-in-a-patient-with-multiple-nonleukemic-myeloid-sarcoma-and-a-review-of-the-literature
#14
Yun Liang, Jie Gao, Dan Wu, Shu Li, Hang Chen, Luyin Ding, Jiefeng Tong, Yang Xu
Multiple nonleukemic myeloid sarcoma (MS) is a rare form of MS that is developed in multiple anatomic sites other than bone marrow at diagnosis, without a preceding myeloid neoplasm. The prevalence, prognosis, and optimal management of multiple nonleukemic MS have not been addressed. The role of allogenic or autologous hematopoietic cell transplantation (HCT) for nonleukemic MS is also less well defined. We present a case of MS characterized by systemic lymphadenopathies and multiple effusions, which presumably had a very poor prognosis...
March 17, 2017: Acta Haematologica
https://www.readbyqxmd.com/read/28298913/cathepsin-e-deficiency-ameliorates-graft-versus-host-disease-and-modifies-dendritic-cell-motility
#15
Jörg Mengwasser, Liane Babes, Steffen Cordes, Sarah Mertlitz, Katarina Riesner, Yu Shi, Aleixandria McGearey, Martina Kalupa, Thomas Reinheckel, Olaf Penack
Microbial products influence immunity after allogeneic hematopoietic stem cell transplantation (allo-SCT). In this context, the role of cathepsin E (Ctse), an aspartate protease known to cleave bacterial peptides for antigen presentation in dendritic cells (DCs), has not been studied. During experimental acute graft-versus-host disease (GVHD), we found infiltration by Ctse-positive immune cells leading to higher Ctse RNA- and protein levels in target organs. In Ctse-deficient allo-SCT recipients, we found ameliorated GVHD, improved survival, and lower numbers of tissue-infiltrating DCs...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28297833/-effect-of-allogenic-mesenchymal-stem-cells-transplantation-on-the-expression-of-interleukin-22-and-matrix-metalloproteinase-3-in-rats-with-collagen-induced-arthritis
#16
G Y Liu, S Bian, F Li, X F Li, K Fan, H Z An, X X Jia
Objective: To study the effect of allogeneic bone marrow mesenchymal stem cells transplantation on the expression of interleukin -22 (IL-22), matrix metalloproteinase -3 (MMP-3) in serum and synovial of rats with collagen induced arthritis. Methods: Type Ⅱ collagen were injected twice to establish the collagen induced arthritis (CIA) rat model. Forty-eight rats were randomly divided into 3 groups: control group, CIA control group, CIA experiment group. Rat bone marrow mesenchymal stem cells were cultured by bone marrow method combined with adherent culture method...
March 7, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28297581/systemic-delivery-of-bone-marrow-mesenchymal-stem-cells-for-in-situ-intervertebral-disc-regeneration
#17
Carla Cunha, Catarina R Almeida, Maria Inês Almeida, Andreia M Silva, Maria Molinos, Sofia Lamas, Catarina L Pereira, Graciosa Q Teixeira, António T Monteiro, Susana G Santos, Raquel M Gonçalves, Mário A Barbosa
Cell therapies for intervertebral disc (IVD) regeneration presently rely on transplantation of IVD cells or stem cells directly to the lesion site. Still, the harsh IVD environment, with low irrigation and high mechanical stress, challenges cell administration and survival. In this study, we addressed systemic transplantation of allogeneic bone marrow mesenchymal stem cells (MSCs) intravenously into a rat IVD lesion model, exploring tissue regeneration via cell signaling to the lesion site. MSC transplantation was performed 24 hours after injury, in parallel with dermal fibroblasts as a control; 2 weeks after transplantation, animals were killed...
March 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28297572/safety-and-efficacy-of-megakaryocytes-induced-from-hematopoietic-stem-cells-in-murine-and-nonhuman-primate-models
#18
Xin Guan, Meng Qin, Yu Zhang, Yanan Wang, Bin Shen, Zhihua Ren, Xinxin Ding, Wei Dai, Yongping Jiang
Because of a lack of platelet supply and a U.S. Food and Drug Administration-approved platelet growth factor, megakaryocytes have emerged as an effective substitute for alleviating thrombocytopenia. Here, we report the development of an efficient two-stage culture system that is free of stroma, animal components, and genetic manipulations for the production of functional megakaryocytes from hematopoietic stem cells. Safety and functional studies were performed in murine and nonhuman primate models. One human cryopreserved cord blood CD34(+) cell could be induced ex vivo to produce up to 1...
March 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28296006/intracoronary-allogeneic-cardiosphere-derived-stem-cells-are-safe-for-use-in-dogs-with-dilated-cardiomyopathy
#19
Michael Taylor Hensley, Junnan Tang, Kathleen Woodruff, Teresa Defrancesco, Sandra Tou, Christina M Williams, Mathew Breen, Kathryn Meurs, Bruce Keene, Ke Cheng
Cardiosphere-derived cells (CDCs) have been shown to reduce scar size and increase viable myocardium in human patients with mild/moderate myocardial infarction. Studies in rodent models suggest that CDC therapy may confer therapeutic benefits in patients with non-ischaemic dilated cardiomyopathy (DCM). We sought to determine the safety and efficacy of allogeneic CDC in a large animal (canine) model of spontaneous DCM. Canine CDCs (cCDCs) were grown from a donor dog heart. Similar to human CDCs, cCDCs express CD105 and are slightly positive for c-kit and CD90...
March 15, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28295973/cutaneous-phaeohyphomycosis-in-a-hematopoietic-stem-cell-transplant-patient-caused-by-alternaria-rosae-first-case-report
#20
Amy W Liu, Allen C Bateman, Adam Greenbaum, Kanishka Garvin, Jill Clarridge, Jonathan Grim
Alternaria species have been reported as a rare cause of fungal infection in organ and stem cell transplant recipients, but to date no reports have been published of infection in humans caused by Alternaria rosae. Here, we report cutaneous A. rosae infection in a 66-year-old farmer with a history of primary myelofibrosis who had undergone allogeneic unrelated donor hematopoietic stem cell transplantation. Forty-nine days post transplant, he presented with a nodule on the thumb with no findings suggestive of disseminated infection...
March 13, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
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