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CSF and autoimmune disease

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https://www.readbyqxmd.com/read/27890012/the-biology-of-%C3%AE-d-mannuronic-acid-m2000-on-human-dendritic-cell-based-on-microrna-155-and-microrna-221
#1
Nakisa Tabrizian, Nazanin Arjomand Fard, Ali Farazmand, Rahil Eftekhari, Farzaneh Tofighi Zavareh, Abbas Mirshafiey
: The aim of this study was to evaluate the effect of ß-D-mannuronic acid (M2000) on related miRNAs to dendritic cells (DCs) differentiation. DC-based immunosuppressive drugs can suppress the progression of autoimmune diseases, however, their notable side effects in increasing the risk of infectious diseases and cancers should be considered. The ß-D-mannuronic acid, as a novel non-steroidal anti-inflammatory agent, has been tested in various experimental models. The effect of M2000 on expression of miRNA-155 and miRNA-221 was examined...
November 23, 2016: Current Drug Discovery Technologies
https://www.readbyqxmd.com/read/27884750/methylprednisolone-improves-lactate-metabolism-through-reduction-of-elevated-serum-lactate-in-rat-model-of-multiple-sclerosis
#2
Majid Ghareghani, Amir Ghanbari, Shima Dokoohaki, Naser Farhadi, Seyed Mojtaba Hosseini, Reza Mohammadi, Heibatollah Sadeghi
BACKGROUND: Some studies have demonstrated elevated concentrations of lactate both in the cerebrospinal fluid (CSF) and blood samples of multiple sclerosis (MS) patients as a pathological condition. We designed an experimental study first to investigate the serum level of lactate as a biomarker of MS progression and also to investigate the effect of methylprednisolone on serum lactate. METHODS: Experimental autoimmune encephalomyelitis (EAE) was inducted in Lewis rats, and then rats were treated intraperitoneally with methylprednisolone (30mg/kg/d), at the disease onset, and the clinical scores were recorded...
November 21, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27878760/reduced-plasma-levels-of-25-hydroxycholesterol-and-increased-cerebrospinal-fluid-levels-of-bile-acid-precursors-in-multiple-sclerosis-patients
#3
Peter J Crick, William J Griffiths, Juan Zhang, Martin Beibel, Jonas Abdel-Khalik, Jens Kuhle, Andreas W Sailer, Yuqin Wang
Multiple sclerosis (MS) is an autoimmune, inflammatory disease of the central nervous system (CNS). We have measured the levels of over 20 non-esterified sterols in plasma and cerebrospinal fluid (CSF) from patients suffering from MS, inflammatory CNS disease, neurodegenerative disease and control patients. Analysis was performed following enzyme-assisted derivatisation by liquid chromatography-mass spectrometry (LC-MS) exploiting multistage fragmentation (MS (n) ). We found increased concentrations of bile acid precursors in CSF from each of the disease states and that patients with inflammatory CNS disease classified as suspected autoimmune disease or of unknown aetiology also showed elevated concentrations of 25-hydroxycholestertol (25-HC, P < 0...
November 23, 2016: Molecular Neurobiology
https://www.readbyqxmd.com/read/27827809/il-1-signaling-is-critical-for-expansion-but-not-generation-of-autoreactive-gm-csf-th17-cells
#4
Ilgiz A Mufazalov, Carsten Schelmbauer, Tommy Regen, Janina Kuschmann, Florian Wanke, Laureen A Gabriel, Judith Hauptmann, Werner Müller, Emmanuel Pinteaux, Florian C Kurschus, Ari Waisman
Interleukin-1 (IL-1) is implicated in numerous pathologies, including multiple sclerosis and its animal model experimental autoimmune encephalomyelitis (EAE). However, the exact mechanism by which IL-1 is involved in the generation of pathogenic T cells and in disease development remains largely unknown. We found that following EAE induction, pertussis toxin administration leads to IL-1 receptor type 1 (IL-1R1)-dependent IL-1β expression by myeloid cells in the draining lymph nodes. This myeloid-derived IL-1β did not vitally contribute to the generation and plasticity of Th17 cells, but rather promoted the expansion of a GM-CSF(+) Th17 cell subset, thereby enhancing its encephalitogenic potential...
November 8, 2016: EMBO Journal
https://www.readbyqxmd.com/read/27815970/granulocyte-colony-stimulating-factor-decreases-the-th1-th2-ratio-in-peripheral-blood-mononuclear-cells-from-patients-with-chronic-immune-thrombocytopenic-purpura-in-vitro
#5
Fei Ge, Zhuo Zhang, Jinxiao Hou, Fenglin Cao, Yingmei Zhang, Ping Wang, Hong Wei, Jin Zhou
Chronic immune thrombocytopenia purpura (ITP) is an autoimmune disease that exhibits an abnormally high Th1/Th2 ratio. Granulocyte colony-stimulating factor (G-CSF) has been shown to decrease the Th1/Th2 ratio in healthy donors. In this study, we investigated the effects of G-CSF treatment on the Th1/Th2 cells and the underlying mechanisms in patients with ITP in vitro. Peripheral blood mononuclear cells (PBMCs) isolated from patients with ITP and healthy controls were treated with G-CSF. Expression levels of interferon (IFN)-γ, interleukin (IL)-2, IL-4, and IL-13 in supernatants were measured by enzyme-linked immunosorbent assays...
October 28, 2016: Thrombosis Research
https://www.readbyqxmd.com/read/27793206/mog-igg-in-nmo-and-related-disorders-a-multicenter-study-of-50-patients-part-2-epidemiology-clinical-presentation-radiological-and-laboratory-features-treatment-responses-and-long-term-outcome
#6
Sven Jarius, Klemens Ruprecht, Ingo Kleiter, Nadja Borisow, Nasrin Asgari, Kalliopi Pitarokoili, Florence Pache, Oliver Stich, Lena-Alexandra Beume, Martin W Hümmert, Marius Ringelstein, Corinna Trebst, Alexander Winkelmann, Alexander Schwarz, Mathias Buttmann, Hanna Zimmermann, Joseph Kuchling, Diego Franciotta, Marco Capobianco, Eberhard Siebert, Carsten Lukas, Mirjam Korporal-Kuhnke, Jürgen Haas, Kai Fechner, Alexander U Brandt, Kathrin Schanda, Orhan Aktas, Friedemann Paul, Markus Reindl, Brigitte Wildemann
BACKGROUND: A subset of patients with neuromyelitis optica spectrum disorders (NMOSD) has been shown to be seropositive for myelin oligodendrocyte glycoprotein antibodies (MOG-IgG). OBJECTIVE: To describe the epidemiological, clinical, radiological, cerebrospinal fluid (CSF), and electrophysiological features of a large cohort of MOG-IgG-positive patients with optic neuritis (ON) and/or myelitis (n = 50) as well as attack and long-term treatment outcomes. METHODS: Retrospective multicenter study...
September 27, 2016: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/27776345/quantitative-proteomics-reveals-piccolo-as-a-candidate-serological-correlate-of-recovery-from-guillain-barr%C3%A3-syndrome
#7
Lourdes Mateos-Hernández, Margarita Villar, Ernesto Doncel-Pérez, Marco Trevisan-Herraz, Ángel García-Forcada, Francisco Romero Ganuza, Jesús Vázquez, José de la Fuente
Guillain-Barré syndrome (GBS) is an autoimmune-mediated peripheral neuropathy of unknown cause. However, about a quarter of GBS patients have suffered a recent bacterial or viral infection, and axonal forms of the disease are especially common in these patients. Proteomics is a good methodological approach for the discovery of disease biomarkers. Until recently, most proteomics studies of GBS and other neurodegenerative diseases have focused on the analysis of the cerebrospinal fluid (CSF). However, serum represents an attractive alternative to CSF because it is easier to sample and has potential for biomarker discovery...
October 20, 2016: Oncotarget
https://www.readbyqxmd.com/read/27771353/g-csf-treatment-promotes-apoptosis-of-autoreactive-t-cells-to-restrict-the-inflammatory-cascade-and-accelerate-recovery-in-experimental-allergic-encephalomyelitis
#8
Wei Peng
G-CSF is a hematopoietic growth factor that regulates the proliferation, differentiation and survival of myeloid lineage cells, which has protective effects in autoimmune neuroinflammatory diseases such as EAE. Here we use EAE model treated by G-CSF to address the hypothesis that G-CSF inhibits the proliferative response of splenic T cells via the enhancement of apoptosis, and this priming effect of G-CSF depends on the cell cycle. Our results show that G-CSF administration reduced EAE frequency and severity of attacks...
October 19, 2016: Experimental Neurology
https://www.readbyqxmd.com/read/27755185/anticytokine-autoantibodies-in-infection-and-inflammation-an-update
#9
Gabriela Barcenas-Morales, Peter Jandus, Rainer Döffinger
PURPOSE OF REVIEW: Concise overview of the field of anticytokine autoantibodies with a focus on recent developments. RECENT FINDINGS: Advances in particular in the analysis of autoantibodies to IFNγ, granulocyte-macrophage colony-stimulating factor (GM-CSF) and type I IFN are presented. The target epitope for anti-IFNγ autoantibodies has been found to have high homology to a protein from Aspergillus suggesting molecular mimicry as a mechanism of breaking self-tolerance...
December 2016: Current Opinion in Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/27727297/evaluating-soluble-emmprin-as-a-marker-of-disease-activity-in-multiple-sclerosis-studies-of-serum-and-cerebrospinal-fluid
#10
Deepak K Kaushik, Heather Y F Yong, Jennifer N Hahn, Claudia Silva, Steven Casha, R John Hurlbert, Francois H Jacques, Robert Lisak, Omar Khan, Carolina Ionete, Catherine Larochelle, Alex Prat, Amit Bar-Or, V Wee Yong
Extracellular matrix metalloproteinase inducer (EMMPRIN, CD147) is an inducer of matrix metalloproteinases and has roles in leukocyte activation and migration. We reported previously that in MS and its animal model, experimental autoimmune encephalomyelitis, cell surface-associated EMMPRIN was significantly elevated in leukocytes around inflammatory perivascular cuffs in the CNS. In this study we report that activated T-cells can secrete soluble form of EMMPRIN (sEMMPRIN) upon activation. As sEMMPRIN is also present in biological fluids, we determined whether sEMMPRIN is altered in the CSF and sera of MS subjects...
2016: PloS One
https://www.readbyqxmd.com/read/27725127/vitamin-d-modulates-different-il-17-secreting-t-cell-subsets-in-multiple-sclerosis-patients
#11
Denise S M Medrado da Costa, Joana Hygino, Thais B Ferreira, Taissa M Kasahara, Priscila O Barros, Clarice Monteiro, Aleida Oliveira, Felipe Tavares, Claudia Cristina Vasconcelos, Regina Alvarenga, Cleonice A M Bento
Vitamin D deficiency is an environmental risk factor for MS, a Th17 cell-mediated autoimmune disease that results in demyelination in the CNS. Therefore, we aimed to evaluate the ability of in vitro 1,25(OH)2D in modulating different Th17 cell subsets in MS patients in remission phase. In the present study, the production of Th17-related cytokines (IL-1β, IL-6, IL-17, IL-22), as well as GM-CSF, was significantly higher in cell cultures from MS patients than in healthy subjects (HS). The 1,25(OH)2D reduced all pro-inflammatory cytokines essayed, mainly those released from HS cell cultures...
October 15, 2016: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/27663755/pro-inflammatory-and-anti-inflammatory-t-cells-in-giant-cell-arteritis
#12
Ryu Watanabe, Ebru Hosgur, Hui Zhang, Zhenke Wen, Gerald Berry, Jörg J Goronzy, Cornelia M Weyand
Giant cell arteritis is an autoimmune disease defined by explicit tissue tropism to the walls of medium and large arteries. Pathognomic inflammatory lesions are granulomatous in nature, emphasizing the functional role of CD4T cells and macrophages. Evidence for a pathogenic role of antibodies and immune complexes is missing. Analysis of T cell populations in giant cell arteritis, both in the tissue lesions and in the circulation, has supported a model of broad, polyclonal T cell activation, involving an array of functional T cell lineages...
September 20, 2016: Joint, Bone, Spine: Revue du Rhumatisme
https://www.readbyqxmd.com/read/27648461/terminal-complement-activation-is-increased-and-associated-with-disease-severity-in-cidp
#13
Isaak Quast, Christian W Keller, Falk Hiepe, Björn Tackenberg, Jan D Lünemann
Chronic inflammatory demyelinating polyneuropathy (CIDP) is the most common chronic autoimmune neuropathy. While both cell-mediated and humoral mechanisms contribute to its pathogenesis, the rapid clinical response to plasmapheresis implicates a circulating factor responsible for peripheral nerve injury. We report that treatment-naïve patients with CIDP show increased serum and CSF levels of the anaphylatoxin C5a and the soluble terminal complement complex (sTCC). Systemic terminal complement activation correlates with clinical disease severity as determined by the Inflammatory Neuropathy Cause and Treatment (INCAT) disability scale...
September 2016: Annals of Clinical and Translational Neurology
https://www.readbyqxmd.com/read/27645355/cd20-therapies-in-multiple-sclerosis-and-experimental-autoimmune-encephalomyelitis-targeting-t-or-b-cells
#14
REVIEW
Marie Colombe Agahozo, Laura Peferoen, David Baker, Sandra Amor
MS is widely considered to be a T cell-mediated disease although T cell immunotherapy has consistently failed, demonstrating distinct differences with experimental autoimmune encephalomyelitis (EAE), an animal model of MS in which T cell therapies are effective. Accumulating evidence has highlighted that B cells also play key role in MS pathogenesis. The high frequency of oligoclonal antibodies in the CSF, the localization of immunoglobulin in brain lesions and pathogenicity of antibodies originally pointed to the pathogenic role of B cells as autoantibody producing plasma cells...
September 2016: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/27620302/characterization-of-il-17aa-and-il-17ff-in-rheumatoid-arthritis-and-multiple-sclerosis
#15
Cheryl Schofield, Saloumeh K Fischer, Michael J Townsend, Sofia Mosesova, Kun Peng, Alvernia Francesca Setiadi, An Song, Amos Baruch
AIM: IL-17 is thought to play a prominent role in immune disorders. Sensitive and specific IL-17AA and IL-17FF assays were developed and used to determine levels in serum and cerebrospinal fluid (CSF) from patients with rheumatoid arthritis and relapsing remitting multiple sclerosis (RRMS). RESULTS: Qualified assays detected IL-17AA and IL-17FF in healthy and disease samples. Serum IL-17AA was significantly higher in rheumatoid arthritis and RRMS as compared with normal healthy subjects...
November 2016: Bioanalysis
https://www.readbyqxmd.com/read/27592713/successful-treatment-of-autoimmune-pulmonary-alveolar-proteinosis-in-a-pediatric-patient
#16
Mirjana Trukalj, Marija Perica, Željko Ferenčić, Damir Erceg, Marta Navratil, Gzim Redžepi, Boro Nogalo
BACKGROUND Pulmonary alveolar proteinosis (PAP) is a rare condition characterized by the intra-alveolar accumulation of surfactant-derived material, which impairs gas exchange and results in respiratory insufficiency. Two major subtypes of PAP are autoimmune and non-autoimmune PAP. The diagnosis relies on clinical presentation, ground glass opacities on CT scan, bronchoscopy with PAS stain of BAL fluid (BALF), lung biopsy with PAS-positive material in the alveoli, and the presence of anti GM-CSF antibodies in serum or BALF for an autoimmune subtype...
2016: American Journal of Case Reports
https://www.readbyqxmd.com/read/27581174/anti-cd48-monoclonal-antibody-attenuates-experimental-autoimmune-encephalomyelitis-by-limiting-the-number-of-pathogenic-cd4-t-cells
#17
Shannon L McArdel, Daniel R Brown, Raymond A Sobel, Arlene H Sharpe
CD48 (SLAMF2) is an adhesion and costimulatory molecule constitutively expressed on hematopoietic cells. Polymorphisms in CD48 have been linked to susceptibility to multiple sclerosis (MS), and altered expression of the structurally related protein CD58 (LFA-3) is associated with disease remission in MS. We examined CD48 expression and function in experimental autoimmune encephalomyelitis (EAE), a mouse model of MS. We found that a subpopulation of CD4(+) T cells highly upregulated CD48 expression during EAE and were enriched for pathogenic CD4(+) T cells...
August 31, 2016: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/27575749/utility-of-csf-cytokine-chemokines-as-markers-of-active-intrathecal-inflammation-comparison-of-demyelinating-anti-nmdar-and-enteroviral-encephalitis
#18
Kavitha Kothur, Louise Wienholt, Shekeeb S Mohammad, Esther M Tantsis, Sekhar Pillai, Philip N Britton, Cheryl A Jones, Rajeshwar R Angiti, Elizabeth H Barnes, Timothy Schlub, Sushil Bandodkar, Fabienne Brilot, Russell C Dale
BACKGROUND: Despite the discovery of CSF and serum diagnostic autoantibodies in autoimmune encephalitis, there are still very limited CSF biomarkers for diagnostic and monitoring purposes in children with inflammatory or autoimmune brain disease. The cause of encephalitis is unknown in up to a third of encephalitis cohorts, and it is important to differentiate infective from autoimmune encephalitis given the therapeutic implications. AIM: To study CSF cytokines and chemokines as diagnostic biomarkers of active neuroinflammation, and assess their role in differentiating demyelinating, autoimmune, and viral encephalitis...
2016: PloS One
https://www.readbyqxmd.com/read/27572859/acute-disseminated-encephalomyelitis-updates-on-an-inflammatory-cns-syndrome
#19
Daniela Pohl, Gulay Alper, Keith Van Haren, Andrew J Kornberg, Claudia F Lucchinetti, Silvia Tenembaum, Anita L Belman
Acute disseminated encephalomyelitis (ADEM) is an immune-mediated demyelinating CNS disorder with predilection to early childhood. ADEM is generally considered a monophasic disease. However, recurrent ADEM has been described and defined as multiphasic disseminated encephalomyelitis. ADEM often occurs postinfectiously, although a causal relationship has never been established. ADEM and multiple sclerosis are currently viewed as distinct entities, generally distinguishable even at disease onset. However, pathologic studies have demonstrated transitional cases of yet unclear significance...
August 30, 2016: Neurology
https://www.readbyqxmd.com/read/27570219/csf-1r-inhibition-attenuates-renal-and-neuropsychiatric-disease-in-murine-lupus
#20
Samantha A Chalmers, Jing Wen, Justine Shum, Jessica Doerner, Leal Herlitz, Chaim Putterman
Systemic lupus erythematosus (SLE) is a multifactorial autoimmune disease that can affect multiple end organs. Kidney and brain are two of the organs most commonly involved in SLE. Past studies have suggested the importance of macrophages in the pathogenesis of lupus nephritis (LN). Furthermore, as the immune effectors of the brain, microglia have been implicated in pathways leading to neuropsychiatric SLE (NPSLE). We depleted macrophages and microglia using GW2580, a small colony stimulating factor-1 receptor (CSF-1R) kinase inhibitor, in MRL-lpr/lpr (MRL/lpr) mice, a classic murine lupus model that displays features of both LN and NPSLE...
August 25, 2016: Clinical Immunology: the Official Journal of the Clinical Immunology Society
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