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Cytometry. Part B, Clinical Cytometry

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https://www.readbyqxmd.com/read/28073173/expression-of-cd43-in-chronic-lymphoproliferative-leukemias
#1
Marc Sorigué, Jordi Juncà, Edurne Sarrate, Javier Grau
BACKGROUND: CD43 has been used on histological samples for the differential diagnosis of lymphoproliferative disorders but there is scarce data on its use by flow cytometry (FC). We set out to characterize the expression of CD43 by FC in B-cell lymphoproliferative disorders and to determine its possible role in the differential diagnosis of these malignancies. METHODS: We analyzed the expression of CD43 in clonal B-cell lymphoproliferative disorders with exclusive peripheral blood and/or bone marrow involvement based on their Moreau chronic lymphocytic leukemia (CLL) score with particular emphasis on Moreau CLL score 3 (MS3) cases, which often present a diagnostic challenge...
January 10, 2017: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/28054442/markers-and-function-of-human-nk-cells-in-normal-and-pathological-conditions
#2
REVIEW
Genny Del Zotto, Emanuela Marcenaro, Paola Vacca, Simona Sivori, Daniela Pende, Mariella Della Chiesa, Francesca Moretta, Tiziano Ingegnere, Maria Cristina Mingari, Alessandro Moretta, And Lorenzo Moretta
Natural killer (NK) cells, the most important effectors of the Innate Lymphoid Cells (ILCs), play a fundamental role in tumor immune-surveillance, defense against viruses and, in general, in innate immune responses. NK cell activation is mediated by several activating receptors and co-receptors able to recognize ligands on virus-infected or tumor cells. To prevent healthy cells from auto-aggression, NK cells are provided with strong inhibitory receptors (KIRs and NKG2A) which recognize HLA class I molecules on target cells and, sensing their level of expression, allow killing of targets underexpressing HLA-class I...
January 5, 2017: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/28052584/activated-platelet-derived-and-leukocyte-derived-circulating-microparticles-and-the-risk-of-thrombosis-in-heparin-induced-thrombocytopenia-a-role-for-pf4-bearing-microparticles
#3
Elena Campello, Claudia M Radu, Elena Duner, Anna M Lombardi, Luca Spiezia, Raffaele Bendo, Silvia Ferrari, Paolo Simioni, Fabrizio Fabris
BACKGROUND: Though the presence of platelets-derived microparticles (MPs) have previously been described in heparin-induced thrombocytopenia (HIT), the mechanism of thrombosis in HIT remains poorly understood. We aimed to asses the presence and origin of MPs in patients with HIT and their possible contribution to HIT with thrombosis (HITT). METHODS: Forty-five patients with HIT and 45 matched hospitalized patients with not confirmed HIT (HIT-negative) were enrolled...
January 3, 2017: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/28033647/a-new-method-for-evaluating-stallion-sperm-viability-and-mitochondrial-membrane-potential-in-fixed-semen-samples
#4
F J Peña, B A Ball, E L Squires
Multiparametric assessment of stallion sperm quality using flow cytometry can be a useful adjunct in semen evaluation; however, the availability of flow cytometers in veterinary practice is limited. The ability to preserve and transport sperm samples for later flow cytometric analysis using fixable probes would potentially facilitate this process. In the current study, we validated the combination of live/dead Zombie Green® (a fixable dye used to assess live and dead sperm) and MitoTracker Deep Red® (used to assess mitochondrial membrane potential)...
December 29, 2016: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/28010049/genesis-of-the-special-issues-on-mass-cytometry
#5
Frederic Preffer
No abstract text is available yet for this article.
December 23, 2016: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/27997758/comprehensive-mass-cytometry-analysis-of-cell-cycle-activation-and-co-inhibitory-receptors-expression-in-cd4-t-cells-from-healthy-and-hiv-infected-individuals
#6
REVIEW
Aurélien Corneau, Antonio Cosma, Sophie Even, Christine Katlama, Roger Legrand, Véronique Frachet, Catherine Blanc, Brigitte Autran
RATIONALE: Mass cytometry allows large multiplex analysis of cell cycle stages together with differentiation, activation and exhaustion markers, allowing further assessment of the quiescence status of resting CD4 T cells. METHODS: peripheral blood CD4 T lymphocytes from 8 individuals, 4 healthy donors (HD) and 4 HIV-infected on anti-retroviral treatment (T) were stained with the same 26 monoclonal antibodies and dyes targeting surface and intra-cellular markers of differentiation, activation, exhaustion and cell cycle stages...
December 20, 2016: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/27997757/hairy-cell-leukemia-variant-without-typical-morphology-and-with-near-tetraploid-dna-content
#7
LETTER
David Azoulay, Vadim Sonkin, Luiza Akria, Ayala Rozano Gorelick, Luba Trakhtenbrot, Dov Hershkovitz, Ety Shaoul, Simona Rozen, Eugene Dementiev, Hector I Cohen, Celia Suriu, Andrei Braester
No abstract text is available yet for this article.
December 20, 2016: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/27997748/genesis-of-the-special-issues-on-mass-cytometry
#8
Frederic Preffer, Atilla Tarnok
No abstract text is available yet for this article.
December 20, 2016: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/27933753/mass-cytometry-of-follicular-lymphoma-tumors-reveals-intrinsic-heterogeneity-in-proteins-including-hla-dr-and-a-deficit-in-non-malignant-plasmablast-and-germinal-center-b-cell-populations
#9
Cara Ellen Wogsland, Allison Rae Greenplate, Arne Kolstad, June Helen Myklebust, Jonathan Michael Irish, Kanutte Huse
BACKGROUND: Follicular lymphoma (FL) is an indolent non-Hodgkin lymphoma that has a risk of transformation to more aggressive lymphoma. Relatively little is known about the non-malignant B-cell and T-cell subset composition within the tumor microenvironment and whether altered phenotypes are associated with patterns of lymphoma B-cell heterogeneity. METHODS: Two mass cytometry (CyTOF) panels were designed to immunophenotype B and T cells in FL tumors. Populations of malignant B cells, non-malignant B cells, and T cells from each FL tumor were identified and their phenotypes compared to B and T cells from healthy human tonsillar tissue...
December 9, 2016: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/27933748/exploring-glucocorticoid-receptor-agonists-mechanism-of-action-through-mass-cytometry-and-radial-visualizations
#10
Yann Abraham, Bertran Gerrits, Marie-Gabrielle Ludwig, Michael Rebhan, Caroline Gubser Keller
Recent advances in combining flow cytometry and mass spectrometry have led to the development of mass cytometry, allowing for the interrogation of complex cell populations on an unprecedented scale. The volumes and high dimensionality of mass cytometry data pose significant challenges in terms of analysis and visualization. We implement a method called Radviz (1-3), where multidimensional single cell data can be visualized as a projection that maintains the original dimensions and data complexity whilst facilitating analysis and visualization...
December 9, 2016: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/27933717/mass-cytometry-analytical-approaches-reveal-cytokine-induced-changes-in-natural-killer-cells
#11
Elena Vendrame, Julia Fukuyama, Dara M Strauss-Albee, Susan Holmes, Catherine A Blish
BACKGROUND: Natural killer (NK) cells have antiviral and antitumor activity that could be harnessed for the treatment of infections and malignancies. To maintain cell viability and enhance antiviral and antitumor effects, NK cells are frequently treated with cytokines. Here we performed an extensive assessment of the effects of cytokines on the phenotype and function of human NK cells. METHODS: We used cytometry by time-of-flight (CyTOF) to evaluate NK cell repertoire changes after stimulation with interleukin (IL)-2, IL-15 or a combination of IL- 12/IL-15/IL-18...
December 9, 2016: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/27874247/the-road-ahead-implementing-mass-cytometry-in-clinical-studies-one-cell-at-a-time
#12
EDITORIAL
Quentin Baca, Antonio Cosma, Garry Nolan, Brice Gaudilliere
No abstract text is available yet for this article.
November 22, 2016: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/27860206/effect-of-abo-incompatibility-on-t-cell-flow-cytometry-cross-match-results-prior-to-living-donor-kidney-transplantation
#13
M Lindemann, V Lenz, B Nyadu, F M Heinemann, A Heinold, H Guberina, U Eisenberger, N Lachmann, C Schönemann, A Kribben, A Paul, P A Horn, O Witzke
BACKGROUND: Due to its high sensitivity, the flow cytometry cross-match (FCXM) has been described as valuable tool for identifying an optimal donor. We here focused on the impact of ABO incompatibility on FCXM results. METHODS: We analyzed 29 ABO incompatible and 89 ABO compatible donor-recipient pairs (73 and 175 datasets, respectively) prior to living donor kidney transplantation. In all patients, lymphocytotoxic cross-matches for B and T cells were negative. RESULTS: Recipients with blood group O (A to O and B to O) displayed significantly (P < 0...
November 18, 2016: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/27860275/multiparameter-flow-cytometry-provides-independent-prognostic-information-in-patients-with-suspected-myelodysplastic-syndromes-a-study-on-804-patients
#14
Wolfgang Kern, Ulrike Bacher, Claudia Haferlach, Tamara Alpermann, Susanne Schnittger, Torsten Haferlach
No abstract text is available yet for this article.
November 14, 2016: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/27862977/low-dose-il-2-increase-regulatory-t-cells-and-elevate-platelets-in-a-patient-with-immune-thrombocytopenia
#15
Jiakui Zhang, Yanjie Ruan, Yuanyuan Shen, Qianshan Tao, Huiping Wang, Lili Tao, Yin Pan, Huizi Fang, Yiping Wang, Zhimin Zhai
Immune thrombocytopenia (ITP) is an autoimmune disorder in which its immune system destroy platelets and lead to haemorrhage symptom. Recent studies have found that regulatory T cells (Tregs) in peripheral blood, bone marrow, and spleen were reduced in ITP patients and recovered after effective ITP therapy. Low-dose Interleukin-2 (IL-2) has been reported recently to increase Tregs and used to treat autoimmune disease including graft-versus-host disease (GVHD) after organ transplantation and HCV-related autoimmune vasculitis...
November 9, 2016: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/27813345/a-flow-cytometry-based-assay-for-procoagulant-platelet-polyphosphate
#16
Linda Labberton, Andy T Long, Sandra J Gendler, Christine Snozek, Evi X Stavrou, Katrin F Nickel, Coen Maas, Stefan Blankenberg, James S Hernandez, Thomas Renné
BACKGROUND: Platelet polyphosphate is an inorganic procoagulant polymer of orthophosphate units that is stored in dense granules and is released upon platelet activation. Here we describe an assay to measure polyphosphate on the surface of procoagulant human platelets. METHODS AND RESULTS: Recombinant E. coli expressed exopolyphosphatase deletion mutant PPX_Δ12 labeled with fluorescent Alexa488 dye was used as a polyphosphate probe in flow cytometry. PPX_Δ12-Alexa488-signal dose-dependently increased with long-chain polyphosphate binding to platelets...
November 4, 2016: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/27807928/multiparameter-single-cell-profiling-of-airway-inflammatory-cells
#17
Yi Yao, Tobias Welp, Qing Liu, Naiqian Niu, Xiaomei Wang, Clemente J Britto, Smita Krishnaswamy, Geoff L Chupp, Ruth R Montgomery
Airway diseases affect over 7% of the U.S. population and millions of patients worldwide. Asthmatic patients have wide variation in clinical severity with different clinical and physiologic manifestations of disease that may be driven by distinct biologic mechanisms. Further, the immunologic underpinnings of this complex trait disease are heterogeneous and treatment success depends on defining subgroups of asthmatics. Due to the limited availability and number of cells from the lung, the active site, in-depth investigation has been challenging...
November 3, 2016: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/27792269/impaired-immunosuppressive-effect-of-bronchoalveolar-mesenchymal-stem-cells-in-hypersensitivity-pneumonitis-preliminary-findings
#18
Enikő Balogh, Béla Nagy, Ágnes Gyetvai, Zsolt Bene, Zoltán Hendrik, Viktória Jeney, Péter Nagy, Ágnes Papp, József Balla, György Balla, János Kappelmayer, Béla Nagy
BACKGROUND: Bronchoalveolar mesenchymal stem cells (MSCs) play an important role in the maintenance of lung integrity. Therapeutic application of bone marrow-derived MSCs reduced chronic bronchial inflammation in idiopathic pulmonary fibrosis, and improved the ratio of survivors in sepsis with pneumonia. This study investigated the effect of MSCs from bronchoalveolar lavage fluid (BALF) of hypersensitivity pneumonitis (HP) on T-cell function under in vitro conditions. METHODS: Bronchoalveolar MSCs were obtained via bronchoscopy with BAL from children with severe subacute HP...
October 28, 2016: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/27788287/issue-highlights-november-2016
#19
Francis Mandy
No abstract text is available yet for this article.
October 27, 2016: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/27784127/cd44-as-a-potential-screening-marker-for-preliminary-differentiation-between-congenital-dyserythropoietic-anemia-type-ii-and-hereditary-spherocytosis
#20
B K Singleton, M Ahmed, C A Green, H Heimpel, M J Woźniak, L Ranjha, F Seeney, A Bomford, P Mehta, A Guest, R Mushens, M-J King
BACKGROUND: Bone marrow examination has been the confirmatory test for congenital dyserythropoietic anemia type II (CDAII). Occasional spherocytes on peripheral blood smear can confound the diagnosis. Since a screening test is still unavailable, we explored the feasibility of using flow cytometry as a preliminary screening method. METHODS: Thirteen monoclonal antibodies with specificities for eight erythrocyte membrane proteins were used in FACS analysis to probe the cellular features of red cells from CDAII, normal adults, hereditary spherocytosis (HS), and cord red cells...
October 26, 2016: Cytometry. Part B, Clinical Cytometry
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