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https://www.readbyqxmd.com/read/28428885/the-why-what-and-how-of-the-new-fact-standards-for-immune-effector-cells
#1
EDITORIAL
Marcela V Maus, Sarah Nikiforow
Novel cellular therapies outside of traditional hematopoietic stem cell transplantation or hematopoietic progenitor cell (HPC) therapy are currently under evaluation in clinical trials across the United States and around the world. Several cellular products, e.g., CD19-directed Chimeric Antigen Receptor (CAR) T cells, are poised for FDA approval and thus increased use at a wider range of academic centers within the next year, with the likelihood of dissemination to standard oncology practice once safety is confirmed...
2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/28428031/the-effect-of-hypoxia-preconditioning-on-the-neural-and-stemness-genes-expression-profiling-in-human-umbilical-cord-blood-mesenchymal-stem-cells
#2
Maryam Kheirandish, Somaie Piri Gavgani, Shahram Samiee
In recent years, human umbilical cord blood-derived mesenchymal stem cell (hUB-MSCs) has been regarded as an alternative source for stem cell therapy. In this study, we evaluated the effect of hypoxia preconditioning (HPC) on the expression of Nt-3, GFAP, Nestin, Oct-4 and Nanog genes and proliferative capacity of hUB-MSCs in comparison with normoxic conditions. HPC+Hypoxia protocol includes cultured hUB-MSCs for 15min at 2.5% O2 and after that reoxygenation for 30min at 21% O2 (HPC), and then hypoxia preconditioned hUB-MSCs subjected to 2...
March 31, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28423321/hepatocellular-carcinomas-originate-predominantly-from-hepatocytes-and-benign-lesions-from-hepatic-progenitor-cells
#3
Krishna S Tummala, Marta Brandt, Ana Teijeiro, Osvaldo Graña, Robert F Schwabe, Cristian Perna, Nabil Djouder
Hepatocellular carcinoma (HCC) is an aggressive primary liver cancer. However, its origin remains a debated question. Using human data and various hepatocarcinogenesis mouse models, we show that, in early stages, transformed hepatocytes, independent of their proliferation status, activate hepatic progenitor cell (HPC) expansion. Genetic lineage tracing of HPCs and hepatocytes reveals that, in all models, HCC originates from hepatocytes. However, whereas in various models tumors do not emanate from HPCs, tracking of progenitors in a model mimicking human hepatocarcinogenesis indicates that HPCs can generate benign lesions (regenerative nodules and adenomas) and aggressive HCCs...
April 18, 2017: Cell Reports
https://www.readbyqxmd.com/read/28420436/autophagy-mediates-the-beneficial-effect-of-hypoxic-preconditioning-on-bone-marrow-mesenchymal-stem-cells-for-the-therapy-of-myocardial-infarction
#4
Zheng Zhang, Chao Yang, Mingzhi Shen, Ming Yang, Zhitao Jin, Liping Ding, Wei Jiang, Junke Yang, Haixu Chen, Feng Cao, Taohong Hu
BACKGROUND: Stem cell therapy has emerged as a promising therapeutic strategy for myocardial infarction (MI). However, the poor viability of transplanted stem cells hampers their therapeutic efficacy. Hypoxic preconditioning (HPC) can effectively promote the survival of stem cells. The aim of this study was to investigate whether HPC improved the functional survival of bone marrow mesenchymal stem cells (BM-MSCs) and increased their cardiac protective effect. METHODS: BM-MSCs, isolated from Tg(Fluc-egfp) mice which constitutively express both firefly luciferase (Fluc) and enhanced green fluorescent protein (eGFP), were preconditioned with HPC (1% O2) for 12 h, 24 h, 36 h, and 48 h, respectively, followed by 24 h of hypoxia and serum deprivation (H/SD) injury...
April 18, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28419414/association-between-aggressive-care-and-bereaved-families-evaluation-of-end-of-life-care-for-veterans-with-non-small-cell-lung-cancer-who-died-in-veterans-affairs-facilities
#5
Mary Ersek, Susan C Miller, Todd H Wagner, Joshua M Thorpe, Dawn Smith, Cari R Levy, Risha Gidwani, Katherine Faricy-Anderson, Karl A Lorenz, Bruce Kinosian, Vincent Mor
BACKGROUND: To the authors' knowledge, little is known regarding the relationship between patients' and families' satisfaction with aggressive end-of-life care. Herein, the authors examined the associations between episodes of aggressive care (ie, chemotherapy, mechanical ventilation, acute hospitalizations, and intensive care unit admissions) within the last 30 days of life and families' evaluations of end-of-life care among patients with non-small cell lung cancer (NSCLC). METHODS: A total of 847 patients with NSCLC (34% of whom were aged <65 years) who died in a nursing home or intensive care, acute care, or hospice/palliative care (HPC) unit at 1 of 128 Veterans Affairs Medical Centers between 2010 and 2012 were examined...
April 17, 2017: Cancer
https://www.readbyqxmd.com/read/28408238/novel-roles-for-podocalyxin-in-regulating-stress-myelopoiesis-rap1a-and-neutrophil-migration
#6
Pan Li, Aldona A Karaczyn, Rose McGlauflin, Amanda Favreau, Edward Jachimowicz, Calvin Vary, Kailin Xu, Don M Wojchowski, Pradeep Sathyanarayana
Podocalyxin (Podxl) is a CD34 orthologue and cell surface sialomucin with reported roles in renal podocyte diaphragm slit development, vascular cell integrity, and the progression of blood, breast, and prostate cancers. Roles for Podxl during non-malignant hematopoiesis, however, are largely undefined. Presently we have developed a Vav-Cre Podxl knockout mouse model, and report on novel roles for Podxl in governing stress myelopoiesis. At steady-state, Podxl expression among hematopoietic progenitor cells was low-level but was induced by GCSF (granulocyte colony stimulating factor) in myeloid progenitors, and by TPO (thrombopoietin) in HSCs...
April 10, 2017: Experimental Hematology
https://www.readbyqxmd.com/read/28405508/antigen-receptor-redirected-t-cells-derived-from-hematopoietic-precursor-cells-lack-expression-of-the-endogenous-tcr-cd3-receptor-and-exhibit-specific-antitumor-capacities
#7
Yasmine Van Caeneghem, Stijn De Munter, Paola Tieppo, Glenn Goetgeluk, Karin Weening, Greet Verstichel, Sarah Bonte, Tom Taghon, Georges Leclercq, Tessa Kerre, Reno Debets, David Vermijlen, Hinrich Abken, Bart Vandekerckhove
Recent clinical studies indicate that adoptive T-cell therapy and especially chimeric antigen receptor (CAR) T-cell therapy is a very potent and potentially curative treatment for B-lineage hematologic malignancies. Currently, autologous peripheral blood T cells are used for adoptive T-cell therapy. Adoptive T cells derived from healthy allogeneic donors may have several advantages; however, the expected occurrence of graft versus host disease (GvHD) as a consequence of the diverse allogeneic T-cell receptor (TCR) repertoire expressed by these cells compromises this approach...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28386338/pigment-epithelium-derived-factor-pedf-peptide-promotes-the-expansion-of-hepatic-stem-progenitor-cells-via-erk-and-stat3-dependent-signaling
#8
Shou-Chuan Shih, Tsung-Chuan Ho, Show-Li Chen, Yeou-Ping Tsao
Hepatic stem/progenitor cells (HPC) have been considered as a potential cell source of an alternative to liver transplantation. Production of large numbers of autologous HPC from small pieces of live tissue is crucial for the application of HPC-based liver therapy. In this study, we demonstrated that a synthetic 44-amino acid peptide (44-mer) derived from pigment epithelium-derived factor (PEDF) can facilitate the production of a large number of actively dividing HPC from normal adult rat livers in a 35-day culture period...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28381997/reproducible-large-scale-neuroimaging-studies-with-the-openmole-workflow-management-system
#9
Jonathan Passerat-Palmbach, Romain Reuillon, Mathieu Leclaire, Antonios Makropoulos, Emma C Robinson, Sarah Parisot, Daniel Rueckert
OpenMOLE is a scientific workflow engine with a strong emphasis on workload distribution. Workflows are designed using a high level Domain Specific Language (DSL) built on top of Scala. It exposes natural parallelism constructs to easily delegate the workload resulting from a workflow to a wide range of distributed computing environments. OpenMOLE hides the complexity of designing complex experiments thanks to its DSL. Users can embed their own applications and scale their pipelines from a small prototype running on their desktop computer to a large-scale study harnessing distributed computing infrastructures, simply by changing a single line in the pipeline definition...
2017: Frontiers in Neuroinformatics
https://www.readbyqxmd.com/read/28379594/pyrrolizidine-alkaloids-enhance-alcohol-induced-hepatocytotoxicity-in-vitro-in-normal-human-hepatocytes
#10
M G Neuman, L B Cohen, V Steenkamp
OBJECTIVE: Herbal remedies containing pyrrilidozine alkaloids (PA)s can induce liver damage, including hepato-sinusoidal obstruction syndrome (HSOS) or veno-occlusive liver disease (VOD). Some individuals misusing alcohol consume also teas and/or herbal remedies containing PA. The interaction or additive toxicity of alcohol to PA toxicity needs to be addressed. The objectives of this study are 1) to review the scientific literature on the PA-induced liver toxicity; 2) identify possible mechanism(s) involved in PA-induced hepatocytotoxicity in the presence or absence of ethanol (EtOH) in vitro in normal human hepatocytes (NHH) in primary culture...
March 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28379341/biocontainers-an-open-source-and-community-driven-framework-for-software-standardization
#11
Felipe da Veiga Leprevost, Björn A Grüning, Saulo Alves Aflitos, Hannes L Röst, Julian Uszkoreit, Harald Barsnes, Marc Vaudel, Pablo Moreno, Laurent Gatto, Jonas Weber, Mingze Bai, Rafael C Jimenez, Timo Sachsenberg, Julianus Pfeuffer, Roberto Vera Alvarez, Johannes Griss, Alexey I Nesvizhskii, Yasset Perez-Riverol
Motivation: BioContainers (biocontainers.pro) is an open-source and community-driven framework which provides platform independent executable environments for bioinformatics software. BioContainers allows labs of all sizes to easily install bioinformatics software, maintain multiple versions of the same software and combine tools into powerful analysis pipelines. BioContainers is based on popular open-source projects Docker and rkt frameworks, that allow software to be installed and executed under an isolated and controlled environment...
March 30, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28370131/use-of-allogeneic-apheresis-stem-cell-products-as-an-interlaboratory-proficiency-challenge
#12
Laura Cooling, Kelly Roxbury, Sandra Hoffmann, Joan DeBusscher, Usha Kota, Steven Goldstein, Robertson Davenport
BACKGROUND: AABB Standards requires that laboratories participate in a proficiency test (PT) program for critical analytes. Institutions can purchase commercial PT materials; however, PT can also be performed through interlaboratory exchange. We investigated the utility of allogeneic hematopoietic progenitor cell apheresis (HPC-A) products as an interlaboratory PT challenge for total nucleated cell count (TNC) and CD34 assessment. STUDY DESIGN AND METHODS: Three-year retrospective and comparative review of unrelated allogeneic HPC-A products received by the University of Michigan between January 2011 and December 2013...
March 28, 2017: Transfusion
https://www.readbyqxmd.com/read/28367410/contrasting-roles-for-dna-methyltransferases-and-histone-deacetylases-in-single-item-and-associative-recognition-memory
#13
Hannah Scott, Anna E Smith, Gareth R Barker, James B Uney, E Clea Warburton
Recognition memory enables us to judge whether we have encountered a stimulus before and to recall associated information, including where the stimulus was encountered. The perirhinal cortex (PRh) is required for judgment of stimulus familiarity, while hippocampus (HPC) and medial prefrontal cortex (mPFC) are additionally involved when spatial information associated with a stimulus needs to be remembered. While gene expression is known to be essential for the consolidation of long-term recognition memory, the underlying regulatory mechanisms are not fully understood...
March 2017: Neuroepigenetics
https://www.readbyqxmd.com/read/28365065/infantile-hemangiopericytoma-of-the-tongue-efficacy-of-ex-utero-intrapartum-treatment-procedure-and-combined-modality-therapy
#14
Takenori Ogawa, Ryo Ishii, Daiki Ozawa, Takeshi Rikiishi, Hajime Usubuchi, Mika Watanabe, Yoshimichi Imai, Kenichi Sato, Masatoshi Saito, Yoji Sasahara, Tadashi Matsuda, Shigeo Kure, Yukio Katori
Here we present an extremely rare case of giant infantile hemangiopericytoma (HPC) of the tongue diagnosed prenatally by fetal ultrasonography and MR imaging. Due to airway stenosis, the patient was delivered by the ex utero intrapartum treatment (EXIT) procedure at 36 weeks of pregnancy. Initial diagnosis was infantile hemangioma based on physical examination, diagnostic imaging and the high incidence of hemangioma. The tumor was resistant to conservative treatments. Due to severe tumor hemorrhage, the nutrient vessel was embolized by endovascular treatment on the 73th day after birth...
March 29, 2017: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/28359815/insight-into-the-role-of-dual-ligand-modification-in-low-molecular-weight-heparin-based-nanocarrier-for-targeted-delivery-of-doxorubicin
#15
Hongliang Du, Mengrui Liu, Aihua Yu, Jianbo Ji, Guangxi Zhai
Low molecular weight heparin nanoparticles (LMWH) modified by glycyrrhetinic acid (GA) (LMWH-GA) and further decorated by lactobionic acid (LA) (LA-LMWH-GA) were reported as novel hepatocellular carcinoma (HPC)-targeted carriers to overcome multidrug resistance (MDR) of doxorubicin (DOX). The drug-loaded nanoparticles had negative charge of around -25mV and average size range of 70-170nm. These nanoparticles performed sustained drug release in vitro and prolonged DOX residence time in blood circulation in vivo...
March 28, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28353100/characterization-of-suspended-bacteria-from-processing-units-in-an-advanced-drinking-water-treatment-plant-of-china
#16
Feng Wang, Weiying Li, Junpeng Zhang, Wanqi Qi, Yanyan Zhou, Yuan Xiang, Nuo Shi
For the drinking water treatment plant (DWTP), the organic pollutant removal was the primary focus, while the suspended bacterial was always neglected. In this study, the suspended bacteria from each processing unit in a DWTP employing an ozone-biological activated carbon process was mainly characterized by using heterotrophic plate counts (HPCs), a flow cytometer, and 454-pyrosequencing methods. The results showed that an adverse changing tendency of HPC and total cell counts was observed in the sand filtration tank (SFT), where the cultivability of suspended bacteria increased to 34%...
March 28, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28349721/immunohistochemical-evaluation-of-the-activation-of-hepatic-progenitor-cells-and-their-niche-in-feline-lymphocytic-cholangitis
#17
Corma Ma Otte, Chiara Valtolina, Sandra Vreman, Siobhan Hubers, Monique E van Wolferen, Robert P Favier, Jan Rothuizen, Louis C Penning
Objectives The aim of the study was to compare the hepatic progenitor cell niche in healthy feline livers and the liver tissue of cats with lymphocytic cholangitis. Methods Immunohistochemical stainings for vimentin, laminin, beta (β)-catenin and Notch1 intracellular domain (NICD) were used on formalin-fixed liver biopsies from affected (n = 12) and unaffected cats (n = 2). Results All immunohistochemical markers used were expressed in more cells, or more intensely, in the liver tissue of cats with lymphocytic cholangitis than in the liver tissue of unaffected cats...
March 1, 2017: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/28344774/the-dockstore-enabling-modular-community-focused-sharing-of-docker-based-genomics-tools-and-workflows
#18
Brian D O'Connor, Denis Yuen, Vincent Chung, Andrew G Duncan, Xiang Kun Liu, Janice Patricia, Benedict Paten, Lincoln Stein, Vincent Ferretti
As genomic datasets continue to grow, the feasibility of downloading data to a local organization and running analysis on a traditional compute environment is becoming increasingly problematic. Current large-scale projects, such as the ICGC PanCancer Analysis of Whole Genomes (PCAWG), the Data Platform for the U.S. Precision Medicine Initiative, and the NIH Big Data to Knowledge Center for Translational Genomics, are using cloud-based infrastructure to both host and perform analysis across large data sets. In PCAWG, over 5,800 whole human genomes were aligned and variant called across 14 cloud and HPC environments; the processed data was then made available on the cloud for further analysis and sharing...
2017: F1000Research
https://www.readbyqxmd.com/read/28340171/immunohistochemical-approach-to-the-differential-diagnosis-of-meningiomas-and-their-mimics
#19
Camille Boulagnon-Rombi, Clémence Fleury, Caroline Fichel, Sophie Lefour, Aude Marchal Bressenot, Guillaume Gauchotte
The differential diagnosis between meningioma and others tumors can be challenging. This study aimed to evaluate different immunohistochemical markers for the differential diagnosis between meningioma and their morphological mimics. Immunohistochemistry was performed on tissue microarray with antiepithelial membrane antigen (EMA), progesterone receptor, somatostatin receptor 2A (SSTR2A), CD34, STAT6, S100, SOX10, HMB45, MelanA, GFAP, inhibin, and BCL2 antibodies. One hundred and twenty-seven meningiomas, 26 solitary fibrous tumor/hemangiopericytomas (SFT/HPC), 39 schwannomas, 17 hemangioblastomas, 21 melanomas, 9 gliosarcomas, 5 neurofibromas, 9 peripheral primitive neuroectodermal tumors, 7 synovial sarcomas, and 5 malignant peripheral nerve sheath tumors were included in the microarray...
April 1, 2017: Journal of Neuropathology and Experimental Neurology
https://www.readbyqxmd.com/read/28337763/automatic-washing-of-thawed-haematopoietic-progenitor-cell-grafts-a-preclinical-evaluation
#20
M Abonnenc, B Pesse, J-D Tissot, S Barelli, N Lion
BACKGROUND AND OBJECTIVES: Autologous haematopoietic progenitor cell (HPC) is a prerequisite for high-dose chemotherapy in treatment of several haematologic and non-haematologic malignancies. HPCs are collected by apheresis and cryopreserved until infusion. Postinfusion adverse events have been in part related to the dimethyl sulphoxide (DMSO) used as cryoprotectant. The aim was to evaluate (i) an automated sequential washing procedure for DMSO removal in thawed HPC grafts and (ii) washing solutions in replacement of hydroxyethyl starch (HES)-based solutions...
March 23, 2017: Vox Sanguinis
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