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https://www.readbyqxmd.com/read/28092357/risk-of-sinusoidal-obstruction-syndrome-in-allogeneic-stem-cell-transplantation-after-prior-gemtuzumab-ozogamicin-treatment-a-retrospective-study-from-the-acute-leukemia-working-party-of-the-ebmt
#1
G Battipaglia, M Labopin, A Candoni, R Fanin, J El Cheikh, D Blaise, M Michallet, A Ruggeri, N Contentin, J M Ribera, M Stadler, J Sierra, P A von dem Borne, A Bloor, G Socié, A Nagler, M Mohty
Gemtuzumab ozogamicin (GO) may increase the risk of sinusoidal obstruction syndrome (SOS) when used prior to allogeneic stem cell transplantation (HSCT). We assessed SOS incidence and outcomes after HSCT of 146 adults, with a median age of 50 years, previously receiving GO. SOS prophylaxis was used in 69 patients (heparin n=57, ursodeoxycholic acid n=8, defibrotide n=4). Cumulative incidence (CI) of SOS was 8% (n=11), with death in 3 patients. Median interval between last GO dose and HSCT was 130 days. Overall survival (OS) and SOS incidence did not differ for patients receiving GO ⩽3...
January 16, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28092348/major-molecular-response-prior-to-allogeneic-hematopoietic-stem-cell-transplantation-predicts-better-outcome-in-adult-philadelphia-positive-acute-lymphoblastic-leukemia-in-first-remission
#2
W-Z Cai, J-N Cen, J Chen, F Chen, C-C Fu, Y Han, Z-M Jin, X Ma, M Miao, H-Y Qiu, X-W Tang, S-L Xue, A-N Sun, S-N Chen, D-P Wu
No abstract text is available yet for this article.
January 16, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28091736/salvage-therapy-for-acute-chemorefractory-leukemia-by-allogeneic-stem-cell-transplantation-the-korean-experience
#3
Shin Hye Yoo, Youngil Koh, Dae-Young Kim, Jung-Hee Lee, Je-Hwan Lee, Kyoo-Hyung Lee, Sung-Soo Yoon, Seonyang Park, Sung-Kyu Park, Dae-Sik Hong, Hyeon Gyu Yi, Chul-Soo Kim, Ji Eun Jang, June-Won Cheong, Joonho Moon, Yoo Hong Min, Sang Kyun Sohn, Inho Kim
Little is known about the characteristics that make patients with acute leukemia suitable for undergoing salvage therapy by allogeneic hematopoietic stem cell transplantation (allo-HSCT). Here, we analyzed the clinical outcomes of 223 patients with acute leukemia who underwent allo-HSCT while not in complete remission (CR). The primary end points were overall survival (OS) and CR rate. CR was achieved in 79.8% of patients after allo-HSCT. Acute graft-versus-host disease (GVHD) was significantly associated with CR (P = 0...
January 16, 2017: Annals of Hematology
https://www.readbyqxmd.com/read/28091401/tyrosine-kinase-inhibitor-for-treatment-of-adult-allogeneic-hematopoietic-stem-cell-transplantation-candidate-with-philadelphia-positive-acute-lymphoblastic-leukemia
#4
EDITORIAL
https://www.readbyqxmd.com/read/28090796/impact-of-c-rel-inhibition-of-cord-blood-derived-b-t-and-nk-cells
#5
Shirin Fallahi, Seyede Momeneh Mohammadi, Hamid Tayefi Nasrabadi, Alireza Alihemmati, Naser Samadi, Sanaz Gholami, Dariush Shanehbandi, Hojjatollah Nozad Charoudeh
The c-Rel transcription factor is a unique member of the nuclear factor (NF)-κB family that has a role in curtailing the proliferation, differentiation, cytokine production, and overall activity of B- and T-cells. In addition, c-Rel is a key regulator of apoptosis in that it influences the expression of anti-apoptotic genes such as Bcl-2 and Bcl-xL; conversely, inhibition of c-Rel increases cell apoptosis. To better understand the relationship between c-Rel expression and effects on B- and T-cell expansion, the current study evaluated c-Rel expression in cord blood mononuclear cells...
January 16, 2017: Journal of Immunotoxicology
https://www.readbyqxmd.com/read/28090492/the-first-case-of-acute-myeloid-leukemia-with-solitary-t-6-7-p21-3-p22-passenger-translocation-that-developed-at-relapse-after-allogeneic-hematopoietic-stem-cell-transplantation-in-a-patient-with-a-normal-karyotype-at-the-initial-diagnosis
#6
https://www.readbyqxmd.com/read/28090484/mesenchymal-stromal-cells-in-myeloid-malignancies
#7
REVIEW
Thomas Schroeder, Stefanie Geyh, Ulrich Germing, Rainer Haas
Myelodysplastic syndromes (MDS) and acute myeloid leukemia (AML) are clonal myeloid disorders characterized by hematopoietic insufficiency. As MDS and AML are considered to originate from genetic and molecular defects of hematopoietic stem and progenitor cells (HSPC), the main focus of research in this field has focused on the characterization of these cells. Recently, the contribution of BM microenvironment to the pathogenesis of myeloid malignancies, in particular MDS and AML has gained more interest. This is based on a better understanding of its physiological role in the regulation of hematopoiesis...
December 2016: Blood Research
https://www.readbyqxmd.com/read/28090089/transfer-of-minimally-manipulated-cmv-specific-t-cells-from-stem-cell-or-third-party-donors-to-treat-cmv-infection-after-allohsct
#8
M Neuenhahn, J Albrecht, M Odendahl, F Schlott, G Dössinger, M Schiemann, S Lakshmipathi, K Martin, D Bunjes, S Harsdorf, E M Weissinger, H Menzel, M Verbeek, L Uharek, N Kröger, E Wagner, G Kobbe, T Schroeder, M Schmitt, G Held, W Herr, L Germeroth, H Bonig, T Tonn, H Einsele, D H Busch, G U Grigoleit
Cytomegalovirus (CMV) infection is a common, potentially life-threatening complication following allogeneic hematopoietic stem cell transplantation (allo-HSCT). We assessed prospectively safety and efficacy of stem cell-donor- or third-party-donor-derived CMV-specific T cells for the treatment of persistent CMV infections after allo-HSCT in a phase I/IIa trial. Allo-HSCT patients with drug-refractory CMV infection and lacking virus-specific T cells were treated with a single dose of ex vivo MHC-Streptamer-isolated CMV epitope-specific donor T cells...
January 16, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/28089908/human-aml-ipscs-reacquire-leukemic-properties-after-differentiation-and-model-clonal-variation-of-disease
#9
Mark P Chao, Andrew J Gentles, Susmita Chatterjee, Feng Lan, Andreas Reinisch, M Ryan Corces, Seethu Xavy, Jinfeng Shen, Daniel Haag, Soham Chanda, Rahul Sinha, Rachel M Morganti, Toshinobu Nishimura, Mohamed Ameen, Haodi Wu, Marius Wernig, Joseph C Wu, Ravindra Majeti
Understanding the relative contributions of genetic and epigenetic abnormalities to acute myeloid leukemia (AML) should assist integrated design of targeted therapies. In this study, we generated induced pluripotent stem cells (iPSCs) from AML patient samples harboring MLL rearrangements and found that they retained leukemic mutations but reset leukemic DNA methylation/gene expression patterns. AML-iPSCs lacked leukemic potential, but when differentiated into hematopoietic cells, they reacquired the ability to give rise to leukemia in vivo and reestablished leukemic DNA methylation/gene expression patterns, including an aberrant MLL signature...
December 26, 2016: Cell Stem Cell
https://www.readbyqxmd.com/read/28089879/clinical-outcome-of-autologous-hematopoietic-cell-transplantation-hct-in-adult-patients-with-acute-myeloid-leukemia-who-may-benefit-from-autologous-hct
#10
Jae-Ho Yoon, Hee-Je Kim, Sung-Soo Park, Young-Woo Jeon, Sung-Eun Lee, Byung-Sik Cho, Ki-Seong Eom, Yoo-Jin Kim, Seok Lee, Chang-Ki Min, Seok-Goo Cho, Dong-Wook Kim, Jong-Wook Lee, Woo-Sung Min
The role of autologous (auto)-hematopoietic cell transplantation (HCT) for post-remission therapy of acute myeloid leukemia (AML) is yet to be elucidated. We retrospectively analyzed 240 patients treated with auto-HCT in first remission. All patients were treated with standard induction chemotherapy and CD34+ stem cells were collected at each cycle of consolidation. Stem cells were infused following TBI (1200cGy), cytarabine (9g/BSA), and melphalan (100mg/BSA). Estimated 5-year overall survival, disease free survival (DFS), cumulative incidence of relapse (CIR), and non-relapse mortality was 58...
January 12, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28089671/pdgfr%C3%AE-cells-in-embryonic-stem-cell-cultures-represent-the-in%C3%A2-vitro-equivalent-of-the-pre-implantation-primitive-endoderm-precursors
#11
Antonio Lo Nigro, Anchel de Jaime-Soguero, Rita Khoueiry, Dong Seong Cho, Giorgia Maria Ferlazzo, Ilaria Perini, Vanesa Abon Escalona, Xabier Lopez Aranguren, Susana M Chuva de Sousa Lopes, Kian Peng Koh, Pier Giulio Conaldi, Wei-Shou Hu, An Zwijsen, Frederic Lluis, Catherine M Verfaillie
In early mouse pre-implantation development, primitive endoderm (PrE) precursors are platelet-derived growth factor receptor alpha (PDGFRα) positive. Here, we demonstrated that cultured mouse embryonic stem cells (mESCs) express PDGFRα heterogeneously, fluctuating between a PDGFRα+ (PrE-primed) and a platelet endothelial cell adhesion molecule 1 (PECAM1)-positive state (epiblast-primed). The two surface markers can be co-detected on a third subpopulation, expressing epiblast and PrE determinants (double-positive)...
January 5, 2017: Stem Cell Reports
https://www.readbyqxmd.com/read/28089099/clinical-characteristics-and-outcome-of-invasive-fungal-infections-in-pediatric-acute-myeloid-leukemia-patients-in-a-medical-center-in-taiwan
#12
Gu-Lung Lin, Hsiu-Hao Chang, Chun-Yi Lu, Chung-Ming Chen, Meng-Yao Lu, Ping-Ing Lee, Shiann-Tarng Jou, Yung-Li Yang, Li-Min Huang, Luan-Yin Chang
BACKGROUND: Invasive fungal infection (IFI) causes significant morbidity and mortality in patients with hematological malignancies, especially those with acute myeloid leukemia (AML), recurrent acute leukemia, high-risk acute lymphoblastic leukemia, and after allogeneic hematopoietic stem cell transplantation. The study aimed to investigate the clinical characteristics and outcome of IFIs in pediatric AML patients in a medical center in Taiwan. METHODS: We performed retrospective chart reviews...
December 19, 2016: Journal of Microbiology, Immunology, and Infection, Wei Mian Yu Gan Ran za Zhi
https://www.readbyqxmd.com/read/28088986/age-associated-changes-in-human-hematopoietic-stem-cells
#13
REVIEW
Wendy W Pang, Stanley L Schrier, Irving L Weissman
Aging has a broad impact on the function of the human hematopoietic system. This review will focus primarily on the effect of aging on the human hematopoietic stem cell (HSC) population. With age, even though human HSCs increase in number, they have decreased self-renewal capacity and reconstitution potential upon transplantation. As a population, human HSCs become more myeloid-biased in their differentiation potential. This is likely due to the human HSC population becoming more clonal with age, selecting for myeloid-biased HSC clones...
January 2017: Seminars in Hematology
https://www.readbyqxmd.com/read/28088971/-eltrombopag-for-refractory-thrombocytopenia-in-patients-with-allogeneic-hematopoietic-stem-cell-transplantation
#14
Y R Ma, X J Huang, X D Mo, W Han, C H Yan, Y Chen, Y Ji, Y Y Chen, Y Wang, X H Zhang, K Y Liu, L P Xu
Objective: To evaluate the efficacy and safety of eltrombopag in post-HSCT thrombocytopenia. Methods: A total of 10 patients who underwent post-HSCT thrombocytopenia at Peking University center, who had been treated with eltrombopag, were retrospectively evaluated. Results: Of the 10 cases, 5 males and 5 females with a median of 34 years old (range, 17-54 years), 5 patients were acute myeloid leukemia, 3 with acute lymphoid leukemia and 2 with severe aplastic anemia. Nine patients had undergone haplo-identical donor transplantation, and one patient was a matched related recipient...
December 14, 2016: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/28088963/-clinical-characteristics-and-prognosis-in-12-patients-with-adult-t-cell-leukemia-lymphoma-confirmed-by-htlv-1-provirus-gene-detection
#15
Z J Wu, X Y Zheng, X Z Yang, T B Liu, T Yang, Z H Zheng, F Gao, C X Chen, J G Li, C Q Zhang, W Q Lin, H Y Zheng, S X Lin, J D Hu
Objective: To analyze the clinical characteristics and prognosis of adult T cell leukemia/lymphoma (ATLL). Methods: Peripheral blood samples from patients who were suspected as ATLL from March, 2013 to July, 2015, were collected for HTLV-1 provirus genes detection in genomic DNA extraction by PCR. Cases showing positive results were confirmed as ATLL. Clinical and laboratory characteristics, therapeutic outcomes and survival evaluation were collected. Results: 12 out of 23 suspected patients were confirmedly diagnosed as ATLL through HTLV-1 provirus genes detection by PCR...
December 14, 2016: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/28088906/epratuzumab-and-blinatumomab-as-therapeutic-antibodies-for-treatment-of-pediatric-acute-lymphoblastic-leukemia-current-status-and-future-perspectives
#16
Raffaella Franca, Diego Favretto, Marilena Granzotto, Giuliana Decorti, Marco Rabusin, Gabriele Stocco
BACKGROUND: More than 85% of children affected by acute lymphoblastic leukemia (ALL) are successfully treated; however relapse remains a remarkable clinical concern, with 50-60% of relapsing patients facing a fatal outcome. Management of relapsed patients includes standardized intensive risk-adapted regimens based on conventional drugs, and hematopoietic stem cells transplantation for patients with unfavourable features. Biological drugs, in particular the monoclonal antibody epratuzumab and the bi-functional recombinant single chain peptide blinatumomab, have been recently recognized as novel potential agents to be integrated in salvage ALL therapy to further improve rescue outcome...
January 12, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28088653/immune-stimulation-during-chemotherapy-increases-incidence-of-acute-graft-versus-host-disease-in-acute-myeloid-leukemia-a-study-on-behalf-of-sfgm-tc-and-alfa
#17
Lining Wang, Emmanuel Raffoux, Xavier Thomas, Ibrahim Yakoub-Agha, Jean-Henri Bouhris, Stéphane de Botton, Mauricette Michallet, Stéphanie Nguyen Quoc, Xavier Troussard, Eric Deconinck, Denis Caillot, Pascal Turlure, Stéphane Vigouroux, Arnaud Pigneux, Anne Huynh, Jean-Valère Malfuson, Michael Loschi, Gerard Socie, Hervé Dombret, Régis Peffault de la Tour, Thomas Cluzeau
60-70% of AML patients have an indication of allogeneic hematopoietic stem cell transplantation (allo-HSCT) during their treatment. Graft versus host disease (GvHD), the major cause of mortality and comorbidities post-transplantation, develops by immunological mechanism and decides greatly prognosis and quality of life (QoL) of graft recipient. Current GvHD prophylaxis is not personalized. Infections, toxicities and leukemic infiltration complicate the first chemotherapy phases prior to allo-HSCT. They, to certain extent, induce local immune stimulation...
January 5, 2017: Leukemia Research
https://www.readbyqxmd.com/read/28087456/phase-i-trial-of-total-marrow-and-lymphoid-irradiation-transplant-conditioning-in-patients-with-relapsed-refractory-acute-leukemia
#18
Anthony Stein, Joycelynne Palmer, Ni-Chun Tsai, Monzr M Al Malki, Ibrahim Aldoss, Haris Ali, Ahmed Aribi, Len Farol, Chatchada Karanes, Samer Khaled, An Liu, Margaret O'Donnell, Pablo Parker, Anna Pawlowska, Vinod Pullarkat, Eric Radany, Joseph Rosenthal, Firoozeh Sahebi, Amandeep Salhotra, James F Sanchez, Tim Schultheiss, Ricardo Spielberger, Sandra H Thomas, David Snyder, Ryotaro Nakamura, Guido Marcucci, Stephen J Forman, Jeffrey Wong
Current conditioning regimens provide insufficient disease control in relapsed/refractory acute leukemia (AL) patients undergoing hematopoietic stem cell transplantation (HSCT) with active disease. Intensification of chemotherapy and/or total body irradiation (TBI) is not feasible because of excessive toxicity. Total marrow and lymphoid irradiation (TMLI) allows for precise delivery and increased intensity treatment via sculpting radiation to sites with high disease burden or high risk for disease involvement, while sparing normal tissue...
January 10, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28086219/gadd45a-deficiency-accelerates-bcr-abl-driven-chronic-myelogenous-leukemia
#19
Kaushiki Mukherjee, Xiaojin Sha, Andrew Magimaidas, Silvia Maifrede, Tomasz Skorski, Ravi Bhatia, Barbara Hoffman, Dan A Liebermann
The Gadd45a stress sensor gene is a member in the Gadd45 family of genes that includes Gadd45b & Gadd45g. To investigate the effect of GADD45A in the development of CML, syngeneic wild type lethally irradiated mice were reconstituted with either wild type or Gadd45a null myeloid progenitors transduced with a retroviral vector expressing the 210-kD BCR-ABL fusion oncoprotein. Loss of Gadd45a was observed to accelerate BCR-ABL driven CML resulting in the development of a more aggressive disease, a significantly shortened median mice survival time, and increased BCR-ABL expressing leukemic stem/progenitor cells (GFP+Lin- cKit+Sca+)...
January 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28084439/de-novo-aml-exhibits-greater-microenvironment-dysregulation-compared-to-aml-with-myelodysplasia-related-changes
#20
Matheus Rodrigues Lopes, João Kleber Novais Pereira, Paula de Melo Campos, João Agostinho Machado-Neto, Fabiola Traina, Sara T Olalla Saad, Patricia Favaro
The interaction between the bone marrow microenvironment and malignant hematopoietic cells can result in the protection of leukemia cells from chemotherapy in both myelodysplastic syndromes (MDS) and acute myeloid leukemia (AML). We, herein, characterized the changes in cytokine expression and the function of mesenchymal stromal cells (MSC) in patients with MDS, AML with myelodysplasia-related changes (MRC), a well-recognized clinical subtype of secondary AML, and de novo AML. We observed a significant inhibitory effect of MDS-MSC on T lymphocyte proliferation and no significant differences in any of the cytokines tested...
January 13, 2017: Scientific Reports
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