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https://www.readbyqxmd.com/read/28812528/acute-leukemia-in-horses
#1
Carina J Cooper, Stefan M Keller, Luis G Arroyo, Joanne Hewson, Daniel Kenney, Dorothee Bienzle
Leukemia is broadly divided into acute and chronic lymphocytic and myeloid types based on the proportion of blasts, morphology of cells, and expression of specific antigens on neoplastic cells. Classifying leukemia in horses can be challenging if blasts predominate and since few antibodies to identify cell types are available. The objective of this study was to describe in detail the clinical and pathologic features of acute leukemia in horses. Twelve horses ranging from 0.2 to 25.9 years of age were diagnosed with acute leukemia...
January 1, 2017: Veterinary Pathology
https://www.readbyqxmd.com/read/28811575/biological-and-functional-characterization-of-bone-marrow-derived-mesenchymal-stromal-cells-from-patients-affected-by-primary-immunodeficiency
#2
Nadia Starc, Daniela Ingo, Antonella Conforti, Valeria Rossella, Luigi Tomao, Angela Pitisci, Fabiola De Mattia, Immacolata Brigida, Mattia Algeri, Mauro Montanari, Giuseppe Palumbo, Pietro Merli, Paolo Rossi, Alessandro Aiuti, Franco Locatelli, Maria Ester Bernardo
Mesenchymal stromal cells (MSCs) represent a key component of bone marrow (BM) microenvironment and display immune-regulatory properties. We performed a detailed analysis of biological/functional properties of BM-MSCs derived from 33 pediatric patients affected by primary immune-deficiencies (PID-MSCs): 7 Chronic Granulomatous Disease (CGD), 15 Wiskott-Aldrich Syndrome (WAS), 11 Severe Combined Immunodeficiency (SCID). Results were compared with MSCs from 15 age-matched pediatric healthy-donors (HD-MSCs). Clonogenic and proliferative capacity, differentiation ability, immunophenotype, immunomodulatory properties were analyzed...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28807010/angiogenic-potency-evaluation-of-cell-therapy-candidates-by-a-novel-application-of-the-in-vitro-aortic-ring-assay
#3
Farwah Iqbal, Peter Szaraz, Matthew Librach, Andrée Gauthier-Fisher, Clifford L Librach
BACKGROUND: Due to limitations of current angiogenesis assays, we aimed to develop a novel application of the rat aortic ring assay to assess the angiogenic potential of mesenchymal stromal cells (MSCs). First-trimester human umbilical cord-derived perivascular cells (FTM HUCPVCs) have multipotent characteristics and previously demonstrated angiogenic potential. We compared the effect of this young source of MSCs and adult bone marrow stromal cells (BMSCs) on ex vivo aortic endothelial network formation...
August 14, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28804660/large-granular-lymphocytic-leukemia-a-report-of-response-to-rituximab
#4
Uroosa Ibrahim, Sara Parylo, Shiksha Kedia, Shafinaz Hussein, Jean Paul Atallah
Large granular lymphocytic (LGL) leukemia is a rare form of low grade leukemia characterized by large cytotoxic T cells or natural killer cells on morphological examination. Immunosuppressive therapy is employed as first-line therapy. Treatment options in refractory cases include the anti-CD52 antibody alemtuzumab and purine analogues. We report a rare case that responded to the anti-CD20 monoclonal antibody rituximab. A 77-year-old female presented with complaints of fatigue, fever, and chills of 3 months' duration...
2017: Case Reports in Hematology
https://www.readbyqxmd.com/read/28804458/induced-pluripotent-stem-cells-derived-mesenchymal-stem-cells-attenuate-cigarette-smoke-induced-cardiac-remodeling-and-dysfunction
#5
Yingmin Liang, Xiang Li, Yuelin Zhang, Sze Chun Yeung, Zhe Zhen, Mary S M Ip, Hung Fat Tse, Qizhou Lian, Judith C W Mak
The strong relationship between cigarette smoking and cardiovascular disease (CVD) has been well-documented, but the mechanisms by which smoking increases CVD risk appear to be multifactorial and incompletely understood. Mesenchymal stem cells (MSCs) are regarded as an important candidate for cell-based therapy in CVD. We hypothesized that MSCs derived from induced pluripotent stem cell (iPSC-MSCs) or bone marrow (BM-MSCs) might alleviate cigarette smoke (CS)-induced cardiac injury. This study aimed to investigate the effects of BM-MSCs or iPSC-MSCs on CS-induced changes in serum and cardiac lipid profiles, oxidative stress and inflammation as well as cardiac function in a rat model of passive smoking...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28802849/silk-fibroin-chitosan-scaffold-with-tunable-properties-and-low-inflammatory-response-assists-the-differentiation-of-bone-marrow-mesenchymal-stem-cells
#6
Da-Wei Li, Xiaohua Lei, Feng-Li He, Jin He, Ya-Li Liu, Ya-Jing Ye, Xudong Deng, Enkui Duan, Da-Chuan Yin
The physical and chemical properties of the scaffold are known to play important roles in three-dimensional (3D) cell culture, which always determine the cellular fate or the results of implantation. To control these properties becomes necessary for meeting the requirements of a variety of tissue engineering applications. In this study, a series of silk fibroin/chitosan (SF/CS) scaffolds with tunable properties were prepared using freeze-drying method, and the rat bone marrow-derived mesenchymal stem cells (BM-MSCs) were seeded in these scaffolds to evaluate their availability of use in tissue engineering...
August 9, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28799674/ultrastructural-characteristics-of-ovine-bone-marrow-derived-mesenchymal-stromal-cells-cultured-with-a-silicon-stabilized-tricalcium-phosphate-bioceramic
#7
Salvatore Desantis, Gianluca Accogli, Janina Burk, Sara Zizza, Maria Mastrodonato, Edda G Francioso, Roberta Rossi, Antonio Crovace, Leonardo Resta
Bioceramics are being used in experimental bone engineering application in association with bone marrow derived mesenchymal stem cells (BM-MSCs) as a new therapeutic tool, but their effects on the ultrastructure of BM-MSCs are yet unknown. In this study we report the morphological features of ovine (o)BM-MSCs cultured with Skelite, a resorbable bioceramic based on silicon stabilized tricalcium phosphate (SiTCP), able to promote the repair of induced bone defect in sheep model. oBM-MSCs were isolated from the iliac crest, cultured until they reached near-confluence and incubated with SiTCP...
August 11, 2017: Microscopy Research and Technique
https://www.readbyqxmd.com/read/28798327/assessing-cell-nanoparticle-interactions-by-high-content-imaging-of-biocompatible-iron-oxide-nanoparticles-as-potential-contrast-agents-for-magnetic-resonance-imaging
#8
Roxanne Hachani, Martin A Birchall, Mark W Lowdell, Georgios Kasparis, Le D Tung, Bella B Manshian, Stefaan J Soenen, Willy Gsell, Uwe Himmelreich, Codi A Gharagouzloo, Srinivas Sridhar, Nguyen T K Thanh
Stem cell tracking in cellular therapy and regenerative medicine is an urgent need, superparamagnetic iron oxide nanoparticles (IONPs) could be used as contrast agents in magnetic resonance imaging (MRI) that allows visualization of the implanted cells ensuring they reach the desired sites in vivo. Herein, we report the study of the interaction of 3,4-dihydroxyhydrocinnamic acid (DHCA) functionalized IONPs that have desirable properties for T2 - weighted MRI, with bone marrow-derived primary human mesenchymal stem cells (hMSCs)...
August 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28796964/can-minimal-residual-disease-determination-in-acute-myeloid-leukemia-be-used-in-clinical-practice
#9
Marlise R Luskin, Richard M Stone
In acute myeloid leukemia (AML) that is in complete remission, minimal residual disease (MRD) is presumed to be present, though not morphologically evident. Advances in diagnostics now permit the detection and quantification of MRD in AML by several techniques. The level of MRD after induction and consolidation therapy correlates with disease sensitivity to chemotherapy and has greater power to predict long-term survival than patient and disease characteristics that are available at diagnosis, including genetic information...
August 2017: Journal of Oncology Practice
https://www.readbyqxmd.com/read/28796790/mesenchymal-stromal-cells-msc-from-jak2-myeloproliferative-neoplasms-differ-from-normal-msc-and-contribute-to-the-maintenance-of-neoplastic-hematopoiesis
#10
Teresa L Ramos, Luis Ignacio Sánchez-Abarca, Beatriz Rosón-Burgo, Alba Redondo, Ana Rico, Silvia Preciado, Rebeca Ortega, Concepción Rodríguez, Sandra Muntión, Ángel Hernández-Hernández, Javier De Las Rivas, Marcos González, José Ramón González Porras, Consuelo Del Cañizo, Fermín Sánchez-Guijo
There is evidence of continuous bidirectional cross-talk between malignant cells and bone marrow-derived mesenchymal stromal cells (BM-MSC), which favors the emergence and progression of myeloproliferative neoplastic (MPN) diseases. In the current work we have compared the function and gene expression profile of BM-MSC from healthy donors (HD-MSC) and patients with MPN (JAK2V617F), showing no differences in the morphology, proliferation and differentiation capacity between both groups. However, BM-MSC from MPN expressed higher mean fluorescence intensity (MIF) of CD73, CD44 and CD90, whereas CD105 was lower when compared to controls...
2017: PloS One
https://www.readbyqxmd.com/read/28782873/stable-morphological-physiological-and-neural-protein-expression-changes-in-rat-bone-marrow-mesenchymal-stem-cells-treated-with-electromagnetic-field-and-nitric-oxide
#11
Nazanin Haghighat, Parviz Abdolmaleki, Mehrdad Behmanesh, Mohammad Satari
As an external physical factor, electromagnetic field (EMF) may influence cellular processes and nitric oxide (NO) by serving as a secondary messenger molecule in intracellular signaling cascades. Effects of these factors were evaluated simultaneously on viability, morphology, and variation of calcium ion content, and neural protein marker expression in rat bone marrow mesenchymal stem cells (BMSCs). The mesenchymal stem cells were isolated from rat bone marrow and cultured. Deta-NO as a donor molecule of NO was added to cell culture medium after several passages...
August 7, 2017: Bioelectromagnetics
https://www.readbyqxmd.com/read/28777858/-clinical-features-and-prognosis-of-acute-myeloid-leukemia-with-acquired-trisomy-21
#12
Ying Lu, Jiaojiao Yuan, Huafeng Wang, Renzhi Pei, Zhimei Chen, Jie Jin
OBJECTIVE: To delineate the clinical features and prognostic significance of acquired trisomy 21 (+21) in 31 patients with acute myeloid leukemia (AML). METHODS: Chromosome specimen was prepared from bone marrow samples using a direct method and (or) cultivation, and their karyotypes were analyzed with R banding. The clinical features, chemotherapeutic effect and survival status of patients with acquired +21 were evaluated. RESULTS: Cytogenetic studies were successfully performed on 3 329 patients with newly diagnosed AML, among which 31 (0...
August 10, 2017: Zhonghua Yi Xue Yi Chuan Xue za Zhi, Zhonghua Yixue Yichuanxue Zazhi, Chinese Journal of Medical Genetics
https://www.readbyqxmd.com/read/28777856/-clinical-and-laboratory-features-of-13-cases-of-myeloid-neoplasms-with-double-del-20q
#13
Shuxiao Bai, Chunxiao Wu, Jun Zhang, Suning Chen, Jinlan Pan
OBJECTIVE: To report on clinical and laboratory features of myeloid neoplasms with double del(20q). METHODS: Cytogenetic examination of bone marrow was performed on 13 cases of myeloid neophasms with double del(20q) after 24 hours of cell culture. R-banding was used to analyze the karyotypes. Interphase fluorescence in situ hybridization (FISH) was performed using dual-color probes for 20q11/20q12. RESULTS: Double del(20q) was found to be the sole abnormality in 9 cases, double del(20q) and trisomy 9 was found in 1 case, trisomy del(20q) was found in 1 case, and sole del(20q) clone and double del(20q) clone were found to coexist in 2 cases...
August 10, 2017: Zhonghua Yi Xue Yi Chuan Xue za Zhi, Zhonghua Yixue Yichuanxue Zazhi, Chinese Journal of Medical Genetics
https://www.readbyqxmd.com/read/28773947/behavior-of-human-bone-marrow-derived-mesenchymal-stem-cells-on-various-titanium-based-coatings
#14
Chengjuan Qu, Salla Kaitainen, Heikki Kröger, Reijo Lappalainen, Mikko J Lammi
The chemical composition and texture of titanium coatings can influence the growth characteristics of the adhered cells. An enhanced proliferation of the human mesenchymal stem cells (hMSCs) would be beneficial. The present study was aimed to investigate whether titanium deposited at different atmospheres would affect the cell growth properties, cellular morphology, and expression of surface markers of hMSCs. Titanium-based coatings were deposited on silicon wafers under oxygen, nitrogen, or argon atmospheres by ultra-short pulsed laser deposition using two different gas pressures followed by heating at 400 °C for 2 h...
October 12, 2016: Materials
https://www.readbyqxmd.com/read/28771866/cellular-behaviours-of-bone-marrow-derived-mesenchymal-stem-cells-towards-pristine-graphene-oxide-nanosheets
#15
Changbo Wei, Zifeng Liu, Fangfang Jiang, Binghui Zeng, Mingdi Huang, Dongsheng Yu
OBJECTIVES: Graphene oxide (GO), the derivative of graphene with unique properties, has attracted much attention for applications in dental implants. The aim of this study was, by two biomimetic cell culture methods, to investigate the quantitative relationship between the concentration of pristine GO nanosheets and their cellular behaviours towards bone marrow-derived mesenchymal stem cells (BMSCs). MATERIALS AND METHODS: The cells were firstly characterized according to their morphology, self-renewal capabilities and multipotency...
August 3, 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28771100/rare-transformation-to-double-hit-lymphoma-in-waldenstrom-s-macroglobulinemia
#16
Onyemaechi N Okolo, Ariel C Johnson, Seongseok Yun, Stacy J Arnold, Faiz Anwer
Waldenström macroglobulinemia (WM) is a lymphoproliferative lymphoma that is characterized by monoclonal immunoglobulin M (IgM) protein and bone marrow infiltration. Its incidence is rare and rarer still is its ability to transform to a B-cell lymphoma, particularly the aggressive diffuse large B-cell lymphoma, which bodes a poor prognosis. When transformation includes mutations of MYC, BCL-2 and/or BCL-6, it is known as a 'double hit' or 'triple hit' lymphoma respectively. This paper presents a rare case of WM with mutations positive for MYC and BCL2, making it a case of double hit B-cell lymphoplasmacytic lymphoma with plasmatic differentiation without morphological transformation to aggressive histology like DLBCL...
August 3, 2017: Immunotherapy
https://www.readbyqxmd.com/read/28766548/-hairy-cell-leukemia-and-pregnancy
#17
L S Al-Radi, T N Moiseeva, S Yu Smirnova, R G Shmakov
The paper presents experience in following up and treating hairy cell leukemia (HCL) during pregnancy. The combination of HCL and pregnancy was observed in 5 patients. The patients' median age was 35 years (range, 28-42 years). The diagnosis of HCL was based on a conventional examination protocol: clinical blood analysis with the morphological assessment of lymphocytes, a myelogram and trepanobiopsy, immunophenotypic analysis of lymphocytes or bone marrow (in all the patients), cytochemical determination of tartrate-resistant acid phosphatase in 3 patients, and identification of BRAFV600E mutation in 3 patients...
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/28766540/-leukemization-of-follicular-lymphoma-the-features-of-diagnostic-and-clinical-course-of-a-rare-form-of-the-disease
#18
E S Nesterova, S K Kravchenko, Ya K Mangasarova, L V Plastinina, V N Dvirnyk, A M Kovrigina, I A Shchupletsova, T N Obukhova, E G Gemdzhian, I A Vorobyev, A I Vorobyev
AIM: To characterize a group of patients with follicular lymphoma (FL) with leukemization and to evaluate the efficiency of different therapy options (R-CHOP/R-FMC/high-dose chemotherapy (HDCT)). SUBJECTS AND METHODS: 18 (7.2%) out of 250 patients diagnosed with FL, who were examined and treated at the National Research Center for Hematology, Ministry of Health of the Russian Federation, were found to have leukemic FL (tumor cells in the peripheral blood smears were detected by cytology and flow cytofluorometry...
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/28760297/progress-in-myelodysplastic-syndromes-clinicopathologic-correlations-and-immune%C3%A2-checkpoints
#19
Juliana E Hidalgo-López, Rashmi Kanagal-Shamanna, Andrés E Quesada, Beenu Thakral, Zhihong Hu, Takayuki Mitsuhashi, Mariko Yabe, Guillermo Garcia-Manero, Carlos E Bueso-Ramos
BACKGROUND: Myelodysplastic syndromes (MDS) are a group of clonal neoplasms characterized by ineffective hematopoiesis. Hypomethylating agent (HMA) therapy is one of the mainstays of MDS therapy. Failure of HMA therapy is related to poor outcome; hence, new therapeutic approaches are warranted in these patients. In MDS, the immune system has a pivotal role in modulation of hematopoiesis and clonal expansion. In neoplastic conditions, immune checkpoint (PD-1 and CTLA4 molecules) hide tumor cells from immune surveillance...
July 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/28756567/growth-plate-injury-at-the-base-of-the-coracoid-mri-features
#20
Erin FitzGerald Alaia, Zehava Sadka Rosenberg, Ignacio Rossi, Jonathan Zember, Johannes B Roedl, Lynne Pinkney, Lynne S Steinbach
PURPOSE: To assess the MRI features of growth plate injury at the base of the coracoid process. MATERIALS AND METHODS: Subjects were identified through retrospective search of our department imaging database and teaching files and the teaching files of two outside academic institutions. The coracoid base growth plate was examined with attention to widening, irregularity, abnormal signal intensity of the growth plate, and the presence of adjacent soft tissue edema...
July 29, 2017: Skeletal Radiology
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