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Hematopoietic stem cell

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https://www.readbyqxmd.com/read/28812191/improved-outcome-of-childhood-acute-myeloid-leukemia-in-an-eastern-european-country-lithuanian-experience
#1
Igne Kairiene, Ramune Pasauliene, Nadezda Lipunova, Goda Vaitkeviciene, Lina Rageliene, Jelena Rascon
The reported treatment outcomes of children treated for cancer in Eastern European countries are inferior to those in Northern/Western Europe. We hypothesized that recent survival rates could be comparable to the current standards and performed a population-based analysis of treatment outcome of childhood acute myeloid leukemia (AML) in Lithuania, a small Eastern European country. Children < 18 years old who were treated for AML from 2000 to 2013 were included (n = 54). Estimates of 5-year event-free (EFS5y) and overall survival (OS5y) rates were analyzed...
August 15, 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/28811872/current-and-emerging-treatment-options-for-mantle-cell-lymphoma
#2
REVIEW
Bita Fakhri, Brad Kahl
Mantle cell lymphoma (MCL) is a B-cell non-Hodgkin lymphoma with typically aggressive behavior. The genetic signature is the chromosomal translocation t(11;14)(q13;q32) resulting in overexpression of cyclin D1. Asymptomatic newly diagnosed MCL patients with low tumor burden can be closely observed, deferring therapy to the time of disease progression. Although MCL classically responds to upfront chemotherapy, it remains incurable with standard approaches. For patients in need of frontline therapy, the initial decision is whether to proceed with an intensive treatment strategy or a non-intensive treatment strategy...
August 2017: Therapeutic Advances in Hematology
https://www.readbyqxmd.com/read/28811860/the-apelin-receptor-apj-in-hematopoietic-stem-cells-progenitor-cells-in-the-early-stage-of-non-alcoholic-steatohepatitis
#3
Wataru Ando, Hiroaki Yokomori, Katsuya Otori, Masaya Oda
BACKGROUND: Non-alcoholic steatohepatitis (NASH) is characterized by hepatic steatosis and inflammation with or without fibrosis. The apelin receptor (APJ) is related to angiotensin-like-receptor 1 (AGTRL1). The present study aimed to evaluate APJ as an indicator of the pathophysiology of early-stage NASH. METHODS: APJ expression was evaluated in six tissue samples with histologically proven early-stage NASH using immunohistochemistry (IHC) and immunoelectron microscopy (IEM)...
September 2017: Journal of Clinical Medicine Research
https://www.readbyqxmd.com/read/28811815/hepatosplenic-mucormycosis-post-autologous-stem-cell-transplant
#4
Samia Yasmeen, Omer Waqas, Javeria Munir, Faisal Sultan, Abdul Hameed
Mucormycosis is a life threatening fungal infection and remains an important cause of morbidity and mortality in immunocompromised patients after hematopoietic stem cell transplant. We report here a case of hepatosplenic mucormycosis in a patient after autologous stem cell transplant. A young man with anaplastic large cell lymphoma underwent autologous hematopoietic stem cell transplant after achieving complete remission with standard chemotherapy and consolidative radiotherapy. He was found to have incidental hepatosplenic hypodensities on follow up imaging, that were proved to be mucormycosis on histopathology after getting CT-guided biopsy of splenic lesions...
May 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28810332/-study-on-the-expression-of-trip13-mrna-in-chronic-lymphocytic-leukemia-b-lymphocyte-and-the-molecular-mechanism-of-trip13-mediated-jvm-2-cell-proliferation-and-apoptosis
#5
K S Zhou, Q Zhang, W T Zhang, Y Y Liu, S S Wu, J Zhou, X D Wei, Y P Song
Objective: To investigate the clinical significance of expression level of thyroid hormone receptor interactors 13 (TRIP13) gene to probe its function and downstream molecular mechanism in chronic lymphocytic leukemia (CLL) . Methods: Real-time quantitative PCR method was used to detect the expression levels of TRIP13 mRNA of CD19(+) B lymphocytes in 30 cases of patients with CLL and 12 cases of peripheral blood hematopoietic stem cell donors (normal control group) . Lentivirus mediated shRNA was used to interference the mRNA and TRIP13 protein in CLL cells JVM-2...
July 14, 2017: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/28810330/-the-function-of-nlrp1-in-noninfectious-pulmonary-injury-following-allogeneic-hematopoietic-stem-cell-transplantation
#6
M F Li, W Li, L Ding, Y L Wu, L Liu, W Ju, J L Qiao, K L Xu, L Y Zeng
Objective: To explore the function of NLRP1 in noninfectious pulmonary injury (nonIPI) after allogeneic stem cell transplantation (allo-HSCT) . Methods: In this study, we established the model of allo-HSCT with C57BL/6 and NLRP(-/-) mouse as recipients. Chimera rate was measured by flow cytometry. The HE staining was used to observe the pathology changes in the lungs. NLRP1 and relevant inflammatory proteins were measured by Western Blot. Results: On the day 14 after allo-HSCT, the chimera rate was more than 96%, HSCs of donors had been successfully transplanted into recipients...
July 14, 2017: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/28809828/bioengineering-of-humanized-bone-marrow-microenvironments-in-mouse-and-their-visualization-by-live-imaging
#7
Diana Passaro, Ander Abarrategi, Katie Foster, Linda Ariza-McNaughton, Dominique Bonnet
Human hematopoietic stem cells (HSCs) reside in the bone marrow (BM) niche, an intricate, multifactorial network of components producing cytokines, growth factors, and extracellular matrix. The ability of HSCs to remain quiescent, self-renew or differentiate, and acquire mutations and become malignant depends upon the complex interactions they establish with different stromal components. To observe the crosstalk between human HSCs and the human BM niche in physiological and pathological conditions, we designed a protocol to ectopically model and image a humanized BM niche in immunodeficient mice...
August 1, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28808609/optimizing-peripheral-blood-stem-cells-transplantation-outcome-through-amend-relapse-and-graft-failure-a-review-of-current-literature
#8
REVIEW
Saeed Mohammadi, Amir Hossein Norooznezhad, Ashraf Malek Mohammadi, Hajar Nasiri, Mohsen Nikbakht, Najmaldin Saki, Mohammad Vaezi, Kamran Alimoghaddam, Ardeshir Ghavamzadeh
Allogeneic hematopoietic stem cell transplantation (allo-HSCT) has been considered as a valuable approach in treatment of numerous malignant and none malignant hematologic disorders. However, relapse and poor graft function (PGF) after allo-SCT remain to be controversial issues which may affect the transplantation outcome. Relevant articles were searched in MEDLINE database (2000-2016) using keywords and phrases: donor lymphocyte infusions, allogeneic stem cells transplantation, relapsed hematologic malignancies, booster schedules, cell dose, laboratory monitoring protocols and technical aspects of apheresis...
2017: Experimental Hematology & Oncology
https://www.readbyqxmd.com/read/28807771/increase-of-intermediate-monocytes-in-gvhd-correlation-with-mdr1-th17-1-levels-and-the-effect-of-prednisolone-and-1%C3%AE-25-dihydroxyvitamin-d3
#9
Katharina Reinhardt-Heller, Insa Hirschberg, Peter Lang, Thomas Vogl, Rupert Handgretinger, Wolfgang A Bethge, Ursula Holzer
Graft-versus-host disease (GvHD) remains one of the major complications after allogeneic hematopoietic stem cell transplantation which is mainly treated with glucocorticoids such as prednisolone. In this study, the influence of monocyte subpopulations, prednisolone and 1α,25-Dihydroxyvitamin D3 on the induction of a pro-inflammatory subset of Th17 cells (MDR(+)Th17.1) characterized by CCR6(+)CXCR3(hi)CCR4(lo)CCR10(-)CD161(+) and stable expression of the multi-drug resistance protein type 1 (MDR1) was investigated...
August 11, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28807770/gsta1-genetic-variants-and-conditioning-regimen-missing-key-factors-in-dosing-guidelines-of-busulfan-in-pediatric-hematopoietic-stem-cell-transplantation
#10
T Nava, M A Rezgui, Crs Uppugunduri, P Huezo-Diaz Curtis, Y Théoret, M Duval, L E Daudt, M Ansari, M Krajinovic, H Bittencourt
Busulfan (Bu) is a key component of conditioning regimens used prior to hematopoietic stem cell transplantation (SCT) in children. Different predictive methods have been used to calculate the Bu first-dose. To evaluate the necessity of further improvements, we retrospectively analyzed the currently available weight- and age-based guidelines to calculate the first doses in 101 children who underwent allogenic SCT in CHU Sainte-Justine, Montreal, following an intravenous Bu-containing conditioning regimen according to genetic and clinical factors...
August 11, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28807767/a-new-clinico-biological-scoring-system-for-the-prediction-of-infection-related-mortality-and-survival-after-allogeneic-hematopoietic-stem-cell-transplantation
#11
Alessandra Forcina, Paola M V Rancoita, Magda Marcatti, Raffaella Greco, Maria Teresa Lupo-Stanghellini, Matteo Carrabba, Vincenzo Marasco, Clelia Di Serio, Massimo Bernardi, Jacopo Peccatori, Consuelo Corti, Attilio Bondanza, Fabio Ciceri
Infection-related mortality (IRM) accounts for a substantial component of non-relapse mortality (NRM) after allogeneic hematopoietic stem cell transplantation (allo-HSCT). No scores have been developed to predict IRM before transplant. Pre-transplant clinical and biochemical data were collected in a study cohort of 607 adult patients receiving allo-HSCT from January 2009 to February 2017. In a training set of 273 patients, multivariate analysis revealed that age >60 years (P=0.003), CMV host/donor serostatus different from negative/negative (P<0...
August 11, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28807693/safety-and-feasibility-of-rehabilitation-interventions-in-children-undergoing-hematopoietic-stem-cell-transplant-with-thrombocytopenia
#12
Katarzyna Ibanez, Noel Espiritu, Regine L Souverain, Laura Stimler, Lauren Ward, Elyn R Riedel, Rachel Lehrman, Farid Boulad, Michael Dean Stubblefield
OBJECTIVE: To analyze the relationship between platelet counts, the intensities of physical therapies (PT) and occupational therapies (OT) services received, and the frequency of bleeding complications in children undergoing hematopoietic stem cell transplants (HSCT) during a period of severe thrombocytopenia. DESIGN: Retrospective review study SETTING: Tertiary care hospital PARTICIPANTS: Children (age <18) hospitalized for HSCT in 2010 and 2011 who received PT and OT services while markedly thrombocytopenic (platelets≤50K/mcL)...
August 11, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28807569/il-10-engineered-human-cd4-tr1-cells-eliminate-myeloid-leukemia-in-an-hla-class-i-dependent-mechanism
#13
Grazia Locafaro, Grazia Andolfi, Fabio Russo, Luca Cesana, Antonello Spinelli, Barbara Camisa, Fabio Ciceri, Angelo Lombardo, Attilio Bondanza, Maria Grazia Roncarolo, Silvia Gregori
T regulatory cells (Tregs) play a key role in modulating T cell responses. Clinical trials showed that Tregs modulate graft-versus-host disease (GvHD) after allogeneic hematopoietic stem cell transplantation (allo-HSCT). However, their ability to mediate anti-leukemic activity (graft-versus-leukemia [GvL]) is largely unknown. Enforced interleukin-10 (IL-10) expression converts human CD4(+) T cells into T regulatory type 1 (Tr1)-like (CD4(IL-10)) cells that suppress effector T cells in vitro and xenoGvHD in humanized mouse models...
July 5, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28807497/characterisation-of-the-porcine-cytokines-which-activate-the-cd131%C3%AE-c-common-sub-unit-for-potential-immune-augmentation
#14
G Stephenson, K R Morris, T E O'Neil, M P Bruce, A D G Strom, A G D Bean
Early acting cytokines and growth factors such as those of the CD131 βc subunit, may offer an alternative method to the current use of antibiotics and chemicals such as anthelmintics in maintaining Porcine (Po) health. Thus far, the recombinant Po (rPo) Granulocyte-macrophage colony-stimulating factor (GM-CSF), rPo interleukin-3 (IL-3) and rPo interleukin-5 (IL-5) proteins have been identified and cloned and the biological activity of each cytokine has been confirmed in vitro, however, in vivo immune system regulation and hematopoietic stem cell (HSC) augmentation are regulated by numerous cytokines and cellular signals within the bone marrow (BM) niche...
August 11, 2017: Cytokine
https://www.readbyqxmd.com/read/28806922/hepatitis-b-reactivation-characterized-by-hbsag-negativity-and-anti-hbsag-antibodies-persistence-in-haematopoietic-stem-cell-transplanted-patient-after-lamivudine-withdrawal
#15
C Cerva, G Maffongelli, V Svicher, R Salpini, L Colagrossi, A Battisti, B Mariotti, R Cerretti, L Cudillo, L Sarmati
BACKGROUND: HBV reactivation is associated with high mortality rates in hematopoietic stem cell transplantation (HSCT) and prophylactic lamivudine (LMV) treatment is suggested to prevent this phenomenon. However, the duration of LMV treatment in HSCT patients is not fully defined and the time of immune recovery is considered the best parameter for a drug to be safely interrupted. In patients undergoing allogeneic HSCT, the time of immune recovery is not easy to define and may take years after transplantation and prolonged LMV treatments, which can lead to drug-resistant viral strains...
August 15, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28806468/an-overview-of-hemophagocytic-lymphohistiocytosis
#16
Ysabella M Esteban, Jill L O de Jong, Melissa S Tesher
Hemophagocytic lymphohistiocytosis (HLH) is a life-threatening syndrome characterized by a dysregulated hyperinflammatory response associated with aberrant activation of lymphocytes and macrophages that results in hypercytokinemia. It is classically divided into two types: (1) primary or familial HLH and (2) secondary HLH. Familial HLH is generally an autosomal recessive condition, whereas secondary HLH is usually associated with infectious diseases, autoinflammatory and autoimmune diseases (where it is more commonly known as macrophage activation syndrome), malignancy, immunosuppression, hematopoietic stem cell transplantation, organ transplantation, HIV infection, and metabolic diseases...
August 1, 2017: Pediatric Annals
https://www.readbyqxmd.com/read/28806273/the-changing-landscape-of-gene-editing-in-hematopoietic-stem-cells-a-step-towards-cas9-clinical-translation
#17
Daniel P Dever, Matthew H Porteus
PURPOSE OF REVIEW: Since the discovery two decades ago that programmable endonucleases can be engineered to modify human cells at single nucleotide resolution, the concept of genome editing was born. Now these technologies are being applied to therapeutically relevant cell types, including hematopoietic stem cells (HSC), which possess the power to repopulate an entire blood and immune system. The purpose of this review is to discuss the changing landscape of genome editing in hematopoietic stem cells (GE-HSC) from the discovery stage to the preclinical stage, with the imminent goal of clinical translation for the treatment of serious genetic diseases of the blood and immune system...
August 12, 2017: Current Opinion in Hematology
https://www.readbyqxmd.com/read/28805723/hitting-the-holy-grail-of-hematopoietic-cell-transplantation-with-naive-t-cell-depleted-allografts-graft-engineered-hematopoietic-stem-cell-transplant
#18
Riad El Fakih, Shahrukh K Hashmi
Hematopoietic cell transplant is a potentially curative procedure for many benign and malignant conditions. The efficacy of allogeneic transplant relies in part on the cytotoxicity of the conditioning regimen and the graft versus tumor effect mediated by alloreactive donor T cells; the same cells are also implicated in the development of graft versus host disease (GVHD). Selective identification and depletion of the T cells implicated in GVHD, while preserving the T cells responsible for graft versus tumor effect has been the focus of many research groups in the recent years...
August 14, 2017: Biomedicines
https://www.readbyqxmd.com/read/28804680/treatment-of-older-patients-with-acute-myeloid-leukemia-aml-revised-canadian-consensus-guidelines
#19
REVIEW
Joseph M Brandwein, Nancy Zhu, Rajat Kumar, Brian Leber, Mitchell Sabloff, Irwindeep Sandhu, Jeannine Kassis, Harold J Olney, Mohamed Elemary, Andre C Schuh
The treatment of acute myeloid leukemia (AML) in older patients is undergoing rapid changes, with a number of important publications in the past five years. Because of this, a group of Canadian leukemia experts has produced an update to the Canadian Consensus Guidelines that were published in 2013, with several new agents recommended, subject to availability. Recent studies have supported the survival benefit of induction chemotherapy for patients under age 80, except those with major co-morbidities or those with adverse risk cytogenetics who are not candidates for allogeneic hematopoietic stem cell transplantation (HSCT)...
2017: American Journal of Blood Research
https://www.readbyqxmd.com/read/28804549/treatment-effect-of-low-intensity-pulsed-ultrasound-on-leukopenia-induced-by-cyclophosphamide-in-rabbits
#20
Baoru Liu, Yueping Luo, Dong Luo, Weichen Zhou, Yu Zhang, Ruixin He, Junshu Li, Yong Wang, Yan Wang, Wenzhi Chen
OBJECTIVE: This study aims to examine the effects of low intensity pulsed ultrasound (LIPUS) on leukopenia induced by cyclophosphamide in a rabbit model. METHODS: The leukopenia model in New Zealand rabbit was established by injecting cyclophosphamide into the ear vein. Forty leukopenia model rabbits were randomly allocated to control group (n = 20) and LIPUS group (n = 20). LIPUS group underwent 20 minutes of daily ultrasound treatment at femoral metaphysis for 7 days while control group received sham treatment...
2017: American Journal of Translational Research
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