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https://www.readbyqxmd.com/read/28522744/fdg-pet-response-after-induction-chemotherapy-can-predict-who-will-benefit-from-subsequent-esophagectomy-after-chemoradiotherapy-for-esophageal-adenocarcinoma
#1
Mian Xi, Zhongxing Liao, Wayne L Hofstetter, Ritsuko Komaki, Linus Ho, Steven H Lin
This study aimed to determine whether (18)F-fluorodeoxyglucose positron emission tomography (FDG-PET) response after induction chemotherapy before concurrent chemoradiotherapy can identify patients with esophageal adenocarcinoma who may benefit from subsequent esophagectomy. Methods: We identified and analyzed 220 patients with esophageal adenocarcinoma who had received induction chemotherapy before chemoradiotherapy, with or without surgery, with curative intent; all underwent FDG-PET scanning before and after induction chemotherapy...
May 18, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28511132/activity-and-in-vivo-dynamics-of-bacillus-subtilis-disa-are-affected-by-rada-sms-and-by-holliday-junction-processing-proteins
#2
Carolina Gándara, Daniella K C de Lucena, Rubén Torres, Ester Serrano, Stephan Altenburger, Peter L Graumann, Juan C Alonso
Bacillus subtilis c-di-AMP synthase DisA and RecA-related RadA/Sms are involved in the repair of DNA damage in exponentially growing cells. We provide genetic evidence that DisA or RadA/Sms is epistatic to the branch migration translocase (BMT) RecG and the Holliday junction (HJ) resolvase RecU in response to DNA damage. We provide genetic evidence damage. Functional DisA-YFP formed dynamic foci in exponentially growing cells, which moved through the nucleoids at a speed compatible with a DNA-scanning mode...
May 5, 2017: DNA Repair
https://www.readbyqxmd.com/read/28504666/conditioning-regimens-for-allogeneic-hematopoietic-stem-cell-transplants-in-acute-myeloid-leukemia
#3
REVIEW
Y S Jethava, S Sica, B Savani, F Socola, M Jagasia, M Mohty, A Nagler, A Bacigalupo
AML is currently the first indication for allogeneic hematopoietic stem cell transplantation (allo-HSCT), as shown by international transplant registries. The conditioning regimens are classified as myeloablative conditioning, non-myeloablative or reduced intensity conditioning. Targeted radioimmunotherapy such as anti-CD45 antibody have also been added to the conditioning regimen in an attempt to improve tumor cell kill. Refinement of standard regimens has led to a reduction of non-relapse mortality, also in the older age group over 60 or 70 years of age...
May 15, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28504665/upper-gi-gvhd-similar-outcomes-to-other-grade-ii-graft-versus-host-disease
#4
R S Mehta, Q Cao, S Holtan, M L MacMillan, D J Weisdorf
The significance of upper gastrointestinal tract (UGI) acute GVHD (aGVHD) compared with other grade II aGVHD is not clearly defined. We compared the outcomes of patients with grade II aGVHD with or without biopsy-proven UGI involvement in three groups: grade II aGVHD without UGI (n=178), grade II aGVHD with UGI and other sites (n=102) and isolated UGI aGVHD (n=32). The overall response (ORR) to steroids at day 28 differed among the three groups (76, 67 and 91%, respectively, P=0.01), but was only marginally different in direct comparison with those without or with UGI aGVHD (P=0...
May 15, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28504664/pre-transplant-ferritin-albumin-and-haemoglobin-are-predictive-of-survival-outcome-independent-of-disease-risk-index-following-allogeneic-stem-cell-transplantation
#5
L Chee, M Tacey, B Lim, A Lim, J Szer, D Ritchie
Prognostic biomarkers are useful in allogeneic stem cell transplantation (SCT) to predict survival and relapse outcomes. We sought to derive a prognostic scoring system, which augmented the predictive power of the disease risk index (DRI) by incorporating biomarkers and validating their significance after SCT. The outcomes of overall survival (OS) and relapse were assessed with non-relapse mortality (NRM) treated as a competing risk to relapse. Six hundred and two patients were identified through a retrospective analysis of allogeneic SCT recipients for haematological malignancy between 2000 and 2013 in a single centre...
May 15, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28504663/a-new-time-dependent-approach-for-assessment-of-the-impact-of-invasive-aspergillosis-shows-effect-on-short-but-not-on-long-term-survival-of-patients-with-aml-or-high-risk-mds
#6
R J van de Peppel, P A von dem Borne, S le Cessie, M G J de Boer
Invasive aspergillosis (IA) has been reported to yield high mortality rates. Patients with an unfavourable prognostic haematological disease not only have a higher probability of developing IA but are also more likely to die due to causes directly related to the underlying disease. This complexity of risk mechanisms confounds the causal interpretation of IA occurrence and mortality. Full consideration of the changing patient characteristics over time is necessary to obtain reliable estimates of the correlation of IA with mortality...
May 15, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28503642/vulvar-and-vaginal-graft-versus-host-disease-a-healthcare-clinic-initiative
#7
Naomi Van Dam, Revital Zelker, Ruth Radiano, Ilana Kadmon, Bella Bogorochin, Yevgeni Frank-Kamenetsky
OBJECTIVE: In patients receiving bone marrow transplantation (BMT), their mucosa becomes altered and sclerotic changes in the female external genital organs occur. Although a few studies have specifically addressed vulvar and vaginal graft versus host disease (VVGvHD) and its repercussions on the sexual health and quality of life of patients, VVGvHD can be overlooked by health practitioners. The objective of the study is to describe the initiation of a health care clinic specializing in VVGvHD in a general tertiary hospital...
April 2017: Asia-Pacific Journal of Oncology Nursing
https://www.readbyqxmd.com/read/28501263/economic-and-environmental-review-of-waste-to-energy-systems-for-municipal-solid-waste-management-in-medium-and-small-municipalities
#8
J M Fernández-González, A L Grindlay, F Serrano-Bernardo, M I Rodríguez-Rojas, M Zamorano
The application of Directive 2008/98/CE on Municipal Solid Waste (MSW) implies the need to introduce technologies to generate energy from waste. Incineration, the most widely used method, is difficult to implement in low populated areas because it requires a large amount of waste to be viable (100,000 tons per year). This paper analyses the economic and environmental costs of different MSW-to-Energy technologies (WtE) in an area comprising of 13 municipalities in southern Spain. We analyse anaerobic digestion (Biomethanization), the production of solid recovered fuel (SRF) and gasification, and compare these approaches to the present Biological Mechanical Treatment (BMT) with elimination of the reject in landfill, and incineration with energy recovery...
May 10, 2017: Waste Management
https://www.readbyqxmd.com/read/28500307/alox5-exhibits-anti-tumor-and-drug-sensitizing-effects-in-mll-rearranged-leukemia
#9
Yungui Wang, Jennifer R Skibbe, Chao Hu, Lei Dong, Kyle Ferchen, Rui Su, Chenying Li, Hao Huang, Hengyou Weng, Huilin Huang, Xi Qin, Jie Jin, Jianjun Chen, Xi Jiang
MLL-rearranged acute myeloid leukemia (AML) remains a fatal disease with a high rate of relapse and therapeutic failure due to chemotherapy resistance. In analysis of our Affymetrix microarray profiling and chromatin immunoprecipitation (ChIP) assays, we found that ALOX5 is especially down-regulated in MLL-rearranged AML, via transcription repression mediated by Polycomb repressive complex 2 (PRC2). Colony forming/replating and bone marrow transplantation (BMT) assays showed that Alox5 exhibited a moderate anti-tumor effect both in vitro and in vivo...
May 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28489467/use-of-opioid-substitution-therapies-in-the-treatment-of-opioid-use-disorder-results-of-a-uk-cost-effectiveness-modelling-study
#10
James Kenworthy, Yunni Yi, Antony Wright, Jim Brown, Ana Maria Madrigal, William C N Dunlop
AIMS: We investigated the cost-effectiveness of buprenorphine maintenance treatment (BMT) and methadone maintenance treatment (MMT) versus no opioid substitution therapy (OST) for the treatment of opioid use disorder, from the UK National Health Service (NHS)/personal social services (PSS) and societal perspectives over one year. METHODS: Cost-effectiveness of OST versus no OST was evaluated by first replicating and then expanding an existing UK health technology assessment model...
May 10, 2017: Journal of Medical Economics
https://www.readbyqxmd.com/read/28489338/regulatory-t-cells-promote-natural-killer-cell-education-in-mixed-chimeras
#11
Benedikt Mahr, Nina Pilat, Svenja Maschke, Nicolas Granofszky, Christoph Schwarz, Lukas Unger, Karin Hock, Andreas M Farkas, Christoph Klaus, Heinz Regele, Thomas Wekerle
Therapeutic administration of regulatory T cells (Tregs) leads to engraftment of conventional doses of allogeneic bone marrow (BM) in non-irradiated recipient mice conditioned with costimulation blockade and mTOR inhibition. The mode of action responsible for this Treg effect is poorly understood but may encompass the control of costimulation blockade-resistant natural killer (NK) cells. We show that transient NK cell depletion at the time of BM transplantation (BMT) led to BM engraftment and persistent chimerism without Treg transfer, but failed to induce skin graft tolerance...
May 10, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28487238/the-recipient-ccr5-variation-predicts-survival-outcomes-after-bone-marrow-transplantation
#12
Tomohiro Horio, Shohei Mizuno, Kaori Uchino, Motonori Mizutani, Ichiro Hanamura, J Luis Espinoza, Makoto Onizuka, Koichi Kashiwase, Yasuo Morishima, Takahiro Fukuda, Yoshihisa Kodera, Noriko Doki, Koichi Miyamura, Takehiko Mori, Akiyoshi Takami
The chemokine receptor CCR5 plays roles in the trafficking of effector cells towards the site of inflammation. We retrospectively examined the impact of the CCR5 variation (rs1800023, -2086A>G) on transplant outcomes in a cohort of 329 patients who underwent unrelated HLA-matched bone marrow transplantation (BMT) for hematologic malignancies through the Japan Marrow Donor Program. A multivariate analysis showed that the recipient CCR5 -2086A/A genotype was significantly associated with a lower relapse rate but not with the development of graft-versus-host disease (GVHD) or transplant-related mortality, thereby resulting in better disease-free and overall survival rates than other variations...
May 6, 2017: Transplant Immunology
https://www.readbyqxmd.com/read/28481355/population-pharmacokinetics-of-fludarabine-in-patients-with-aplastic-anemia-and-fanconi-anemia-undergoing-allogeneic-hematopoietic-stem-cell-transplantation
#13
E Mohanan, J C Panetta, K M Lakshmi, E S Edison, A Korula, N A Fouzia, A Abraham, A Viswabandya, V Mathews, B George, A Srivastava, P Balasubramanian
Although hematopoietic stem cell transplantation (HSCT) with a conditioning regimen consisting of fludarabine (F-araA) and cyclophosphamide (Cy) is associated with improved outcome in young patients with aplastic anemia (AA) and Fanconi anemia (FA), several factors limit the success of the procedure. We evaluated the population pharmacokinetics (POPPK) of F-araA and its influence on HSCT outcome in patients (n=53) with AA and FA undergoing HSCT. Patients carrying a 5'-UTR polymorphism in NT5E gene (rs2295890 G>C) exhibited significantly lower plasma F-araA clearance compared to those with wild-type genotype (7...
May 8, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28481353/b-cell-activating-factor-baff-plasma-level-at-the-time-of-chronic-gvhd-diagnosis-is-a-potential-predictor-of-non-relapse-mortality
#14
R M Saliba, S Sarantopoulos, C L Kitko, A Pawarode, S C Goldstein, J Magenau, A M Alousi, T Churay, H Justman, S Paczesny, P Reddy, D R Couriel
Biological markers for risk stratification of chronic GvHD (cGvHD) could improve the care of patients undergoing allogeneic hematopoietic stem cell transplantation. Increased plasma levels of B-cell activating factor (BAFF), chemokine (C-X-C motif) ligand 9 (CXCL9) and elafin have been associated with the diagnosis, but not with outcome in patients with cGvHD. We evaluated the association between levels of these soluble proteins, measured by ELISA at the time of cGvHD diagnosis and before the initiation of therapy, with non-relapse-mortality (NRM)...
May 8, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28481352/partial-break-in-tolerance-of-nkg2a-lir-1-single-kir-nk-cells-early-in-the-course-of-hla-matched-kir-mismatched-hematopoietic-cell-transplantation
#15
S Rathmann, C Keck, C Kreutz, N Weit, M Müller, J Timmer, S Glatzel, M Follo, M Malkovsky, M Werner, R Handgretinger, J Finke, P Fisch
Natural killer (NK) cell subpopulations from 8 HLA-matched but killer cell immunoglobulin-like receptor (KIR)/HLA-ligand-mismatched patient-donor pairs were analyzed in the course of allogeneic hematopoietic stem cell transplantation (HCT). The patients' post-transplantation NKG2A(-)/LIR-1(-) NK cells, which expressed only inhibitory KIRs for which the patient had no HLA class I ligands, showed higher cytotoxic capacity than the NKG2A(-)/LIR-1(-) NK cells lacking any inhibitory KIRs that remained tolerant throughout the course of HCT...
May 8, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28475423/investigating-the-abscopal-effects-of-radioablation-on-shielded-bone-marrow-in-rodent-models-using-multimodality-imaging
#16
Solmaz F Afshar, Janice A Zawaski, Taeko Inoue, David A Rendon, Arthur W Zieske, Jyotinder N Punia, Omaima M Sabek, M Waleed Gaber
The abscopal effect is the response to radiation at sites that are distant from the irradiated site of an organism, and it is thought to play a role in bone marrow (BM) recovery by initiating responses in the unirradiated bone marrow. Understanding the mechanism of this effect has applications in treating BM failure (BMF) and BM transplantation (BMT), and improving survival of nuclear disaster victims. Here, we investigated the use of multimodality imaging as a translational tool to longitudinally assess bone marrow recovery...
May 5, 2017: Radiation Research
https://www.readbyqxmd.com/read/28468094/-effects-of-allogeneic-hematopoietic-stem-cell-transplantation-in-combination-with-infusion-of-endothelial-progenitor-cells-on-bone-marrow-inflammatory-injury
#17
W Li, M F Li, P P Zhao, J L Qiao, K L Xu, L Y Zeng
Objective: To explore effects of allogeneic hematopoietic stem cell transplantation (HSCT) in combination with infusion of endothelial progenitor cells (EPC) on bone marrow inflammatory injury. Methods: 6-8 weeks BALB/c (H-2K(d)) mice after lethal dose of irradiation (TBI) were subjected to allogeneic bone marrow transplantation (BMT group) or co-transplantation of EPC (EPC group) . Samples of bone marrow cells of mice in each group on days 7,14,21,28 after transplantation were obtained to detect EPC cultural and cell chimeric rates by flow cytometer...
April 14, 2017: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/28465027/quantitative-models-of-persistence-and-relapse-from-the-perspective-of-behavioral-momentum-theory-fits-and-misfits
#18
REVIEW
John A Nevin, Andrew R Craig, Paul J Cunningham, Christopher A Podlesnik, Timothy A Shahan, Mary M Sweeney
We review quantitative accounts of behavioral momentum theory (BMT), its application to clinical treatment, and its extension to post-intervention relapse of target behavior. We suggest that its extension can account for relapse using reinstatement and renewal models, but that its application to resurgence is flawed both conceptually and in its failure to account for recent data. We propose that the enhanced persistence of target behavior engendered by alternative reinforcers is limited to their concurrent availability within a distinctive stimulus context...
April 29, 2017: Behavioural Processes
https://www.readbyqxmd.com/read/28455312/administration-of-rankl-boosts-thymic-regeneration-upon-bone-marrow-transplantation
#19
Noella Lopes, Hortense Vachon, Julien Marie, Magali Irla
Cytoablative treatments lead to severe damages on thymic epithelial cells (TECs), which result in delayed de novo thymopoiesis and a prolonged period of T-cell immunodeficiency. Understanding the mechanisms that govern thymic regeneration is of paramount interest for the recovery of a functional immune system notably after bone marrow transplantation (BMT). Here, we show that RANK ligand (RANKL) is upregulated in CD4(+) thymocytes and lymphoid tissue inducer (LTi) cells during the early phase of thymic regeneration...
April 28, 2017: EMBO Molecular Medicine
https://www.readbyqxmd.com/read/28450862/differential-response-of-mouse-thymic-epithelial-cell-types-to-ionizing-radiation-induced-dna-damage
#20
Irene Calvo-Asensio, Thomas Barthlott, Lilly von Muenchow, Noel F Lowndes, Rhodri Ceredig
Thymic epithelial cells (TECs) are the main components of the thymic stroma that support and control T-cell development. Preparative regimens using DNA-damaging agents, such as total body irradiation and/or chemotherapeutic drugs, that are necessary prior to bone marrow transplantation (BMT) have profound deleterious effects on the hematopoietic system, including the thymic stroma, which may be one of the main causes for the prolonged periods of T-cell deficiency and the inefficient T cell reconstitution that are common following BMT...
2017: Frontiers in Immunology
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