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https://www.readbyqxmd.com/read/28594133/diagnostic-value-of-stmn1-lmo2-hgal-aid-expression-and-1p36-chromosomal-abnormalities-in-primary-cutaneous-b-cell-lymphomas
#1
Evelyne Verdanet, Olivier Dereure, Céline René, Ariane Tempier, Assia Benammar-Hafidi, Mathieu Gallo, Eric Frouin, Luc Durand, Isabelle Gazagne, Valérie Costes-Martineau, Valère Cacheux, Vanessa Szablewski
INTRODUCTION: distinction between primary cutaneous follicular lymphoma (PCFL) and primary cutaneous marginal zone lymphoma (PCMZL) is challenging as clear-cut immunophenotypic and cytogenetic criteria to segregate both entities are lacking. MATERIALS AND METHODS: to better characterize PCFL and PCMZL and to define criteria helpful for the differential diagnosis, we compared expression of immunohistochemical markers (LMO2, HGAL, STMN1, AID, MNDA) and the presence of cytogenetic abnormalities previously described in nodal follicular lymphoma (BCL2 and BCL6 breaks, 1p36 chromosomal region deletion (del 1p36)) in a series of 48 cutaneous follicular and marginal zone lymphomas (CFL and CMZL)...
June 8, 2017: Histopathology
https://www.readbyqxmd.com/read/28414285/-analysis-of-gene-expression-pattern-in-peripheral-blood-leukocytes-during-experimental-heat-wave
#2
E S Feoktistova, A V Skamrov, L E Goryunova, G L Khaspekov, M K Osyaeva, O V Rodnenkov, R Sh Beabealashvilli
The conditions of Moscow 2010 summer heat wave were simulated in an accommodation module. Six healthy men aged from 22 to 46 years stayed in the module for 30 days. Measurements of gene expression in peripheral blood leukocytes before, during and 3 day after simulated heat wave were performed using qRT-PCR. We observed a shift in the expression level of certain genes after heat exposure for a long time, and rapid return to the initial level, when volunteers leaved the accommodation module. Eight genes were chosen to form the "heat expression signature"...
March 2017: Biomedit︠s︡inskai︠a︡ Khimii︠a︡
https://www.readbyqxmd.com/read/28321468/hyperglycaemic-memory-affects-the-neurovascular-unit-of-the-retina-in-a-diabetic-mouse-model
#3
Patrick Friedrichs, Andrea Schlotterer, Carsten Sticht, Matthias Kolibabka, Paulus Wohlfart, Axel Dietrich, Thomas Linn, Grietje Molema, Hans-Peter Hammes
AIMS/HYPOTHESIS: The aim of this study was to evaluate damage to the neurovascular unit in a mouse model of hyperglycaemic memory. METHODS: A streptozotocin-induced mouse model of diabetes (C57BL/6J background) received insulin-releasing pellets and pancreatic islet-cell transplantation. Damage to the neurovascular unit was studied by quantitative retinal morphometry for microvascular changes and microarray analysis, with subsequent functional annotation clustering, for changes of the retinal genome...
March 20, 2017: Diabetologia
https://www.readbyqxmd.com/read/28222616/plasma-biomarkers-for-the-identification-of-women-at-risk-for-early-onset-preeclampsia
#4
Aggeliki Kolialexi, George Th Tsangaris, Stavros Sifakis, Dimitris Gourgiotis, Aggeliki Katsafadou, Alexandra Lykoudi, Antonios Marmarinos, Danai Mavreli, Vassilis Pergialiotis, Dimitra Fexi, Ariadni Mavrou, George K Papaioanou, Nikolas Papantoniou
BACKGROUND: To identify potential biomarkers in the 1st trimester of pregnancy for the identification of women destined to develop early onset preeclampsia (EOPE). METHODS: Blood samples were obtained from pregnant women at 11-13 weeks of gestation. Women were followed up until delivery. Five samples from EOPE complicated pregnancies and 5 from unaffected ones were analysed using 2-DE and MALDI-TOF-TOF MS/MS. The altered expression of selected proteins was verified by ELISA in an extended sample cohort...
March 2017: Expert Review of Proteomics
https://www.readbyqxmd.com/read/27775850/clinicopathological-characteristics-and-genomic-profile-of-primary-sinonasal-tract-diffuse-large-b-cell-lymphoma-dlbcl-reveals-gain-at-1q31-and-rgs1-encoding-protein-high-rgs1-immunohistochemical-expression-associates-with-poor-overall-survival-in-dlbcl-not
#5
Joaquim Carreras, Yara Y Kikuti, Sílvia Beà, Masashi Miyaoka, Shinichiro Hiraiwa, Haruka Ikoma, Ryoko Nagao, Sakura Tomita, David Martin-Garcia, Itziar Salaverria, Ai Sato, Akifumi Ichiki, Giovanna Roncador, Juan F Garcia, Kiyoshi Ando, Elias Campo, Naoya Nakamura
AIMS: We aimed to define the clinicopathological characteristics of 29 primary sinonasal diffuse large B cell lymphoma (DLBCL(sn) ) in a series of 240 cases of DLBCL not otherwise specified [DLBCL(all ()(NOS)()) ], including DLBCL(sn) training set (n = 11) and validation set (n = 18), and DLBCL(non-sn) (n = 211). METHODS AND RESULTS: In the training set, 82% had a non-germinal center B-cell-like (Hans' Classifier) (non-GCB) phenotype and 18% were Epstein-Barr virus-encoded small RNAs (EBER)(+) ...
March 2017: Histopathology
https://www.readbyqxmd.com/read/27455572/-peculiarities-of-the-cerebrovascular-effects-of-glutamic-acid
#6
T S Gan'shina, E V Kurza, I N Kurdyumov, D V Maslennikov, R S Mirzoyan
Experiments on nonlinear rats subjected to global transient cerebral ischemia revealed the ability of glutamic acid to improve cerebral circulation. Consequently, the excitatory amino acid can produce adverse (neurotoxic) and positive (anti-ischemic) effects in cerebral ischemia. The cerebrovascular effect of glutamic acid in cerebral ischemia is attenuated on the background action of the MNDA receptor blocker MK-801 (0.5 mg/kg intravenously) and eliminated by bicuculline. When glutamic acid is combined with the non-competitive MNDA receptor antagonist MK-801, neither one nor another drug shows its vasodilator effect...
2016: Eksperimental'naia i Klinicheskaia Farmakologiia
https://www.readbyqxmd.com/read/27297871/recurrent-mutations-in-genes-involved-in-nuclear-factor-%C3%AE%C2%BAb-signalling-in-nodal-marginal-zone-lymphoma-diagnostic-and-therapeutic-implications
#7
Michiel van den Brand, Jos Rijntjes, Konnie M Hebeda, Laura Menting, Carolyn V Bregitha, Wendy B C Stevens, Walter J F M van der Velden, Bastiaan B J Tops, J Han J M van Krieken, Patricia J T A Groenen
AIMS: To investigate the spectrum of mutations in 20 genes involved in B-cell receptor and/or Toll-like receptor signalling resulting in activation of nuclear factor-κB (NF-κB) in 20 nodal marginal zone lymphomas (NMZLs), 20 follicular lymphomas (FLs), and 11 cases of B-cell lymphoma, unclassifiable (BCL-u). METHODS AND RESULTS: Nodal marginal zone lymphomas were diagnosed according to strict criteria, including the expression of at least one putative marginal zone marker (MNDA and/or IRTA1)...
January 2017: Histopathology
https://www.readbyqxmd.com/read/26822549/value-of-quantitative-assessment-of-myeloid-nuclear-differentiation-antigen-expression-and-other-flow-cytometric-parameters-in-the-diagnosis-of-myelodysplastic-syndrome
#8
V Somasundaram, S Soni, A Chopra, S Rai, M Mahapatra, R Kumar, H Pati
INTRODUCTION: The diagnosis of myelodysplastic syndrome (MDS) based on morphology is particularly difficult in low-grade MDS. Thus, the role of myeloid nuclear differentiation antigen (MNDA) and other flow cytometric (FCM) parameters in MDS was evaluated. METHODS: Bone marrow aspirates (BMA) collected from 52 patients with unexplained persistent cytopenias were divided into three groups: (i) proven MDS (n = 12) based on morphology and/or cytogenetics; (ii) suspected MDS (n = 6), noncontributory morphology, and cytogenetics; and (iii) non-MDS (n = 34)...
April 2016: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/26796502/myeloid-cell-nuclear-differentiation-antigen-mnda-expression-distinguishes-extramedullary-presentations-of-myeloid-leukemia-from-blastic-plasmacytoid-dendritic-cell-neoplasm
#9
Ryan C Johnson, Jinah Kim, Yasodha Natkunam, Uma Sundram, Aharon G Freud, Bryan Gammon, Michael J Cascio
Myeloid neoplasms constitute one of the most common malignancies in adults. In most cases these proliferations initially manifest in the blood and marrow; however, extramedullary involvement may precede blood or marrow involvement in a subset of cases, making a definitive diagnosis challenging by morphologic and immunohistochemical assessment alone. Blastic plasmacytoid dendritic cell neoplasm (BPDCN) is a rare, aggressive entity that frequently presents in extramedullary sites and can show morphologic and immunophenotypic overlap with myeloid neoplasms...
April 2016: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/26275051/microarray-and-proteomic-analyses-of-myeloproliferative-neoplasms-with-a-highlight-on-the-mtor-signaling-pathway
#10
Vladan P Čokić, Pascal Mossuz, Jing Han, Nuria Socoro, Bojana B Beleslin-Čokić, Olivera Mitrović, Tijana Subotički, Miloš Diklić, Danijela Leković, Mirjana Gotić, Raj K Puri, Constance Tom Noguchi, Alan N Schechter
The gene and protein expression profiles in myeloproliferative neoplasms (MPNs) may reveal gene and protein markers of a potential clinical relevance in diagnosis, treatment and prediction of response to therapy. Using cDNA microarray analysis of 25,100 unique genes, we studied the gene expression profile of CD34+ cells and granulocytes obtained from peripheral blood of subjects with essential thrombocythemia (ET), polycythemia vera (PV) and primary myelofibrosis (PMF). The microarray analyses of the CD34+ cells and granulocytes were performed from 20 de novo MPN subjects: JAK2 positive ET, PV, PMF subjects, and JAK2 negative ET/PMF subjects...
2015: PloS One
https://www.readbyqxmd.com/read/26184452/flow-cytometry-in-the-diagnosis-of-myelodysplastic-syndromes-and-the-value-of-myeloid-nuclear-differentiation-antigen
#11
EDITORIAL
Frauke Bellos, Wolfgang Kern
BACKGROUND: Confirming diagnosis of myelodysplastic syndromes (MDS) is often challenging. Standard diagnostic methods are cytomorphology (CM) and cytogenetics. Multiparameter flow cytometry (MFC) is upcoming in MDS diagnostic work up, comparability and investigator experiences are critical. Myeloid nuclear differentiation antigen (MNDA) in myelomonocytic cells might be expressed more weakly in patients with MDS. The analysis of MNDA may thus improve diagnostic capabilities of MFC in MDS...
July 17, 2015: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/26027943/gastrostomy-in-patients-with-amyotrophic-lateral-sclerosis-progas-a-prospective-cohort-study
#12
MULTICENTER STUDY
(no author information available yet)
BACKGROUND: Gastrostomy feeding is commonly used to support patients with amyotrophic lateral sclerosis who develop severe dysphagia. Although recommended by both the American Academy of Neurology and the European Federation of Neurological Societies, currently little evidence indicates the optimum method and timing for gastrostomy insertion. We aimed to compare gastrostomy insertion approaches in terms of safety and clinical outcomes. METHODS: In this large, longitudinal, prospective cohort study (ProGas), we enrolled patients with a diagnosis of definite, probable, laboratory supported, or possible amyotrophic lateral sclerosis who had agreed with their treating clinicians to undergo gastrostomy at 24 motor neuron disease care centres or clinics in the UK...
July 2015: Lancet Neurology
https://www.readbyqxmd.com/read/25665578/the-functional-interactome-of-pyhin-immune-regulators-reveals-ifix-is-a-sensor-of-viral-dna
#13
Benjamin A Diner, Tuo Li, Todd M Greco, Marni S Crow, John A Fuesler, Jennifer Wang, Ileana M Cristea
The human PYHIN proteins, AIM2, IFI16, IFIX, and MNDA, are critical regulators of immune response, transcription, apoptosis, and cell cycle. However, their protein interactions and underlying mechanisms remain largely uncharacterized. Here, we provide the interaction network for all PYHIN proteins and define a function in sensing of viral DNA for the previously uncharacterized IFIX protein. By designing a cell-based inducible system and integrating microscopy, immunoaffinity capture, quantitative mass spectrometry, and bioinformatics, we identify over 300 PYHIN interactions reflective of diverse functions, including DNA damage response, transcription regulation, intracellular signaling, and antiviral response...
January 2015: Molecular Systems Biology
https://www.readbyqxmd.com/read/25258054/flow-cytometry-in-the-diagnosis-of-myelodysplastic-syndromes-mds-and-the-value-of-myeloid-nuclear-differentiation-antigen-mnda
#14
Frauke Bellos, Wolfgang Kern
Background: Confirming diagnosis of myelodysplastic syndromes (MDS) is often challenging. Standard diagnostic methods are cytomorphology (CM) and cytogenetics (CG). Multiparameter flow cytometry (MFC) is upcoming in MDS diagnostic work up, comparability and investigator experience are critical. Myeloid nuclear differentiation antigen (MNDA) in myelomonocytic cells might be expressed more weakly in patients with MDS. The analysis of MNDA may thus improve diagnostic capabilities of MFC in MDS. Methods: Staining methods and antibody combinations for MFC in MDS are outlined, giving details for interpretation of results in regard to dyspoiesis...
September 25, 2014: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/25232849/novel-copy-number-variants-in-a-population-based-investigation-of-classic-heterotaxy
#15
Shannon L Rigler, Denise M Kay, Robert J Sicko, Ruzong Fan, Aiyi Liu, Michele Caggana, Marilyn L Browne, Charlotte M Druschel, Paul A Romitti, Lawrence C Brody, James L Mills
PURPOSE: Heterotaxy is a clinically and genetically heterogeneous disorder. We investigated whether screening cases restricted to a classic phenotype would result in the discovery of novel, potentially causal copy-number variants. METHODS: We identified 77 cases of classic heterotaxy from all live births in New York State during 1998-2005. DNA extracted from each infant's newborn dried blood spot was genotyped with a microarray containing 2.5 million single-nucleotide polymorphisms...
May 2015: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/25199457/the-emerging-role-of-human-pyhin-proteins-in-innate-immunity-implications-for-health-and-disease
#16
Dympna J Connolly, Andrew G Bowie
The innate immune response depends on the ability of immune cells to detect pathogens through germline-encoded pattern recognition receptors (PRRs). Recently discovered PRRs include some members of the Pyrin and HIN domain (PYHIN) family, which are encoded on an interferon-inducible gene cluster located on chromosome 1q23. There are five human PYHIN proteins; Absent in melanoma 2 (AIM2), IFN-γ inducible protein 16 (IFI16), Myeloid cell nuclear differentiation antigen (MNDA), Pyrin and HIN domain family member 1 (PYHIN1) and the recently identified Pyrin domain only protein 3 (POP3)...
December 1, 2014: Biochemical Pharmacology
https://www.readbyqxmd.com/read/24999030/effects-of-picrotoxin-on-light-adapted-frog-electroretinogram-are-not-due-entirely-to-its-action-in-proximal-retina
#17
E Popova
In order to evaluate the site of action of picrotoxin (antagonist of ionotropic GABA receptors) on the electroretinographic (ERG) b- and d-waves, in this study we compared its effects on the intensity-response function of the ERG waves in intact light adapted frog eyecup preparations with its effects in eyecups, where the activity of proximal neurons was blocked by 1 mMN-methyl-d-aspartate (MNDA). Picrotoxin markedly enhanced the b- and d-wave amplitude and slowed the time course of the responses at all stimulus intensities in the intact eyecups...
August 2014: Vision Research
https://www.readbyqxmd.com/read/24925224/myeloid-cell-nuclear-differentiation-antigen-is-expressed-in-a-subset-of-marginal-zone-lymphomas-and-is-useful-in-the-differential-diagnosis-with-follicular-lymphoma
#18
Ryan A Metcalf, Ahmad Monabati, Monika Vyas, Giovanna Roncador, Gabriela Gualco, Carlos E Bacchi, Sheren F Younes, Yasodha Natkunam, Aharon G Freud
The diagnosis of marginal zone lymphomas (MZL) is challenged by the lack of specific markers that distinguish them from other low-grade non-Hodgkin B-cell lymphomas. Myeloid cell nuclear differentiation antigen (MNDA) is a nuclear protein that labels myelomonocytic cells as well as B lymphocytes that localize to the marginal zone areas of splenic white pulp. We evaluated MNDA expression in a large series of B-cell lymphomas to assess the sensitivity and specificity of this antigen for the characterization of MZL...
August 2014: Human Pathology
https://www.readbyqxmd.com/read/24682156/ancient-and-recent-selective-pressures-shaped-genetic-diversity-at-aim2-like-nucleic-acid-sensors
#19
Rachele Cagliani, Diego Forni, Mara Biasin, Manuel Comabella, Franca R Guerini, Stefania Riva, Uberto Pozzoli, Cristina Agliardi, Domenico Caputo, Sunny Malhotra, Xavier Montalban, Nereo Bresolin, Mario Clerici, Manuela Sironi
AIM2-like receptors (ALRs) are a family of nucleic acid sensors essential for innate immune responses against viruses and bacteria. We performed an evolutionary analysis of ALR genes (MNDA, PYHIN1, IFI16, and AIM2) by analyzing inter- and intraspecies diversity. Maximum-likelihood analyses indicated that IFI16 and AIM2 evolved adaptively in primates, with branch-specific selection at the catarrhini lineage for IFI16. Application of a population genetics-phylogenetics approach also allowed identification of positive selection events in the human lineage...
April 2014: Genome Biology and Evolution
https://www.readbyqxmd.com/read/24557068/purification-characterization-and-docking-studies-of-the-hin-domain-of-human-myeloid-nuclear-differentiation-antigen-mnda
#20
He Li, Zhi-Xin Wang, Jia-Wei Wu
The HIN domain of myeloid nuclear differentiation antigen (MNDA) was expressed and purified as a monomer using E. coli JM109 as host. The protein interacted with double-stranded DNA at a Kd of 3.15 μM and did not recognize the termini of double-stranded DNA. Isothermal titration calorimetry indicated that the interaction between the protein and double-stranded DNA is mainly mediated by electrostatic attractions and hydrogen bonding. We developed a model to analyze the potential DNA binding site of the MNDA HIN domain...
May 2014: Biotechnology Letters
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