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https://www.readbyqxmd.com/read/28090055/natalizumab-is-effective-for-the-treatment-of-relapsing-remitting-tumefactive-multiple-sclerosis
#1
Masataka Nakamura, Kumi Itani, Kousuke Miyake, Takenobu Kunieda, Satoshi Kaneko, Hirofumi Kusaka
We herein report the case of a 57-year-old woman presenting with a biopsy-proven tumefactive demyelinating lesion as her first clinical event. Subsequently, she displayed a relapsing-remitting course with recurrence of large demyelinating lesions exceeding 2 cm in diameter rather than the small ovoid lesions characteristic of multiple sclerosis. Administration of interferon beta did not suppress the disease activity. Finally, treatment with natalizumab, which is a humanized monoclonal antibody against the cell-adhesion molecule α4-integrin, was initiated, resulting in clinical and radiological stabilization...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28081190/inflammatory-activity-on-natalizumab-predicts-short-term-but-not-long-term-disability-in-multiple-sclerosis
#2
Joel Raffel, Arie R Gafson, Samer Dahdaleh, Omar Malik, Brynmor Jones, Richard Nicholas
BACKGROUND: In people with multiple sclerosis treated with interferon-beta or glatiramer acetate, new MRI lesions and relapses during the first year of treatment predict a poor prognosis. OBJECTIVE: To study this association in those receiving natalizumab. METHODS: Data were collected on relapses, new MRI activity, and Modified Rio Score after initiation of natalizumab in an observational cohort of 161 patients with high baseline disability...
2017: PloS One
https://www.readbyqxmd.com/read/28081156/generation-of-a-stable-transgenic-swine-model-expressing-a-porcine-histone-2b-egfp-fusion-protein-for-cell-tracking-and-chromosome-dynamics-studies
#3
Renan B Sper, Sehwon Koh, Xia Zhang, Sean Simpson, Bruce Collins, Jeff Sommer, Robert M Petters, Ignacio Caballero, Jeff L Platt, Jorge A Piedrahita
Transgenic pigs have become an attractive research model in the field of translational research, regenerative medicine, and stem cell therapy due to their anatomic, genetic and physiological similarities with humans. The development of fluorescent proteins as molecular tags has allowed investigators to track cell migration and engraftment levels after transplantation. Here we describe the development of two transgenic pig models via SCNT expressing a fusion protein composed of eGFP and porcine Histone 2B (pH2B)...
2017: PloS One
https://www.readbyqxmd.com/read/28080250/no-evidence-of-disease-activity-in-patients-receiving-daclizumab-versus-intramuscular-interferon-beta-1a-for-relapsing-remitting-multiple-sclerosis-in-the-decide-study
#4
Ludwig Kappos, Eva Havrdova, Gavin Giovannoni, Bhupendra O Khatri, Susan A Gauthier, Steven J Greenberg, Xiaojun You, Ping Wang, Giorgio Giannattasio
BACKGROUND: No evidence of disease activity (NEDA) is a composite endpoint being increasingly applied as an outcome measure in clinical trials as well as proposed for individual therapeutic decisions in multiple sclerosis (MS). OBJECTIVE: Assess the proportion of patients with relapsing-remitting MS achieving NEDA in the DECIDE study of daclizumab 150 mg subcutaneous versus intramuscular interferon beta-1a 30 µg for 96-144 weeks. METHODS: NEDA was defined as no relapses, no onset of 12-week confirmed disability progression (CDP), no new/newly enlarging T2 hyperintense lesions (NET2), and no gadolinium-enhancing (Gd(+)) lesions...
December 1, 2016: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/28072821/maysin-and-its-flavonoid-derivative-from-centipedegrass-attenuates-amyloid-plaques-by-inducting-humoral-immune-response-with-th2-skewed-cytokine-response-in-the-tg-appswe-ps1de9-alzheimer-s-mouse-model
#5
Yuno Song, Hong-Duck Kim, Min-Kwon Lee, Il-Hwa Hong, Chung-Kil Won, Hyoung-Woo Bai, Seung Sik Lee, SungBeom Lee, Byung Yeoup Chung, Jae-Hyeon Cho
Alzheimer's disease (AD) is a slow, progressive neurodegenerative disease and the most common type of dementia in the elderly. The etiology of AD and its underlying mechanism are still not clear. In a previous study, we found that an ethyl acetate extract of Centipedegrass (CG) (i.e., EA-CG) contained 4 types of Maysin derivatives, including Luteolin, Isoorientin, Rhamnosylisoorientin, and Derhamnosylmaysin, and showed protective effects against Amyloid beta (Aβ) by inhibiting oligomeric Aβ in cellular and in vitro models...
2017: PloS One
https://www.readbyqxmd.com/read/28063616/chitinase-3-like-1-is-associated-with-the-response-to-interferon-beta-treatment-in-multiple-sclerosis
#6
Clara Matute-Blanch, Jordi Río, Luisa M Villar, Luciana Midaglia, Sunny Malhotra, José C Álvarez-Cermeño, Angela Vidal-Jordana, Xavier Montalban, Manuel Comabella
Chitinase 3-like 1 (CHI3L1) plays a prognostic role in patients with multiple sclerosis (MS). Here, we investigated a potential association between CHI3L1 and the response to interferon-beta (IFNβ) and glatiramer acetate (GA). Serum CHI3L1 levels were measured by ELISA in 117 relapsing-remitting MS (RRMS) patients, 76 IFNβ-treated and 41 GA-treated patients. CHI3L1 levels were increased by GA (p=0.014) but unchanged by IFNβ (p=0.830). CHI3L1 was associated with IFNβ response and levels were higher in non-responder group (p=0...
December 18, 2016: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/28062922/interferon-%C3%AE-mediates-human-beta-cell-hla-class-i-overexpression-endoplasmic-reticulum-stress-and-apoptosis-three-hallmarks-of-early-human-type-1-diabetes
#7
Laura Marroqui, Reinaldo S Dos Santos, Anne Op de Beeck, Alexandra Coomans de Brachène, Lorella Marselli, Piero Marchetti, Decio L Eizirik
AIMS/HYPOTHESIS: Three hallmarks of the pancreatic islets in early human type 1 diabetes are overexpression of HLA class I, endoplasmic reticulum (ER) stress and beta cell apoptosis. The mediators of these phenomena remain to be defined. The type I interferon IFNα is expressed in human islets from type 1 diabetes patients and mediates HLA class I overexpression. We presently evaluated the mechanisms involved in IFNα-induced HLA class I expression in human beta cells and determined whether this cytokine contributes to ER stress and apoptosis...
January 6, 2017: Diabetologia
https://www.readbyqxmd.com/read/28042704/development-of-an-in-vitro-immunobiotic-evaluation-system-against-rotavirus-infection-in-bovine-intestinal-epitheliocytes
#8
H Kobayashi, P Kanmani, T Ishizuka, A Miyazaki, J Soma, L Albarracin, Y Suda, T Nochi, H Aso, N Iwabuchi, J-Z Xiao, T Saito, J Villena, H Kitazawa
The bovine intestinal epithelial cell line (BIE cells) expresses the Toll-like receptor (TLR)3 and is able to mount an antiviral immune response after the stimulation with poly(I:C). In the present study, we aimed to further characterise the antiviral defence mechanisms in BIE cells by evaluating the innate immune response triggered by rotavirus (RV) infection. In addition, we attempted to determine whether immunobiotic bifidobacteria are able to confer protection of BIE cells against RV infection by beneficially modulating the antiviral immune response...
January 2, 2017: Beneficial Microbes
https://www.readbyqxmd.com/read/28028623/cognitive-impairment-and-structural-brain-changes-in-patients-with-clinically-isolated-syndrome-at-high-risk-for-multiple-sclerosis
#9
Eva Hynčicová, Martin Vyhnálek, Adam Kalina, Lukáš Martinkovič, Tomáš Nikolai, Jiří Lisý, Jakub Hort, Eva Meluzínová, Jan Laczó
Patients with clinically isolated syndrome (CIS), unlike those with multiple sclerosis (MS), have a selective cognitive impairment which is not consistently related to structural brain changes. Our objective was to characterize a profile of cognitive impairment and its association with structural brain changes in patients with CIS who are at high risk of developing MS. Patients with CIS at high risk for MS on interferon-beta (n = 51) and age-, gender-, and education-matched controls (n = 44) underwent comprehensive neuropsychological testing and MRI brain scan with voxel-based morphometry...
December 27, 2016: Journal of Neurology
https://www.readbyqxmd.com/read/28027680/comparative-effectiveness-of-interferons-in-relapsing-remitting-multiple-sclerosis-a-meta-analysis-of-real-world-studies
#10
Thomas R Einarson, Basil G Bereza, Márcio Machado
BACKGROUND: Differences between interferons have been evaluated for over 20 years. While RCT data are mainly used for assessments and strong data for causal inferences, they do not necessarily reflect everyday practice. Real-world data may provide additional information. PURPOSE: To assess the results, quality, and representativeness of observational studies directly comparing IFNs in RRMS. METHODS: Medline and Embase were searched for observational studies comparing IFN-beta-1a 30 mcg IM (Avonex), IFN-beta-1a 44 mcg SC (Rebif) and/or IFN-beta-1b 250 mcg SC (Betaseron)...
December 27, 2016: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/28024793/recombinant-interferon-alpha-2b-is-a-high-affinity-antigen-for-type-1-diabetes-autoantibodies
#11
Wahid Ali Khan
OBJECTIVES: Type 1 diabetes results from T-cell-mediated destruction of the beta cells of the pancreas and is associated with several autoimmune phenomena. Many studies have suggested the involvement of interferon alpha (IFN α) in the development of type 1 diabetes, but the exact mechanism remains unclear. In this study, the binding of type 1 diabetes antibodies with recombinant interferon alpha-2b (hrIFN α-2b), their gene (cIFN α-2b gene) and commercially available interferon α-2b (IFN α-2b) were assessed...
December 23, 2016: Canadian Journal of Diabetes
https://www.readbyqxmd.com/read/28024757/expression-of-inflammatory-cytokines-and-chemokines-in-replanted-permanent-teeth-with-external-root-resorption
#12
Juliana Vilela Bastos, Tarcilia A Silva, Enrico A Colosimo, Maria Ilma S Côrtes, Daniela Augusta B Ferreira, Eugenio Marcos A Goulart, Ricardo S Gomez, Walderez O Dutra
INTRODUCTION: The progressive forms of inflammatory external root resorption (IERR) and replacement external root resorption (RERR) are serious complications and the main causes of tooth loss after replantation. This study aimed to investigate the expression pattern of inflammatory molecules in extracted human teeth presenting with external root resorption (ERR) after replantation. METHODS: Root fragments from 22 teeth showing IERR and 20 teeth with RERR were triturated using a homogenizer to extract inflammatory molecules...
December 23, 2016: Journal of Endodontics
https://www.readbyqxmd.com/read/28017149/htlv-1-associated-neurological-disorders
#13
Muhammad Yasir Khan, Ishaq Nasib Khan, Muhammad Farman, Saleh Al Karim, Ishtiaq Qadri, Muhammad Amjad Kamal, Khalid Al Ghamdi, Steve Harakeh
Human T-cell lymphotropic virus type 1 (HTLV-1) is a retrovirus which is endemic to certain regions of the world and infects around 10-20 million people. HTLV-1 is the etiologic agent of Adult T cell leukemia/lymphoma and HTLV-1 associated neurological disorders including mainly HTLV-1 associated myelopathy/Tropical spastic paraparesis. The involvement of the central nervous diseases occurs among: HTLV-1 infected patients from endemic areas, HIV positive individuals and drug users. The ability of HTLV-1 to cause associated neuropathies starts with the virus crossing the blood brain barrier (BBB), then entering and infecting the cells of the central nervous system...
December 22, 2016: Current Topics in Medicinal Chemistry
https://www.readbyqxmd.com/read/28002795/sodium-fluoride-naf-causes-toxic-effects-on-splenic-development-in-mice
#14
Ping Kuang, Huidan Deng, Hengmin Cui, Lian Chen, Jing Fang, Zhicai Zuo, Junliang Deng, Xun Wang, Ling Zhao
At present, very limited studies focus on the toxic effect of sodium fluoride (NaF) on splenic development of human and animals in vivo. This study was firstly designed to evaluate the toxic effects of NaF on the splenic development of mice in vivo by observing histopathological lesions, changes of splenic growth index (GI), T and B cells, immunoglobulin A (IgA), immunoglobulin G (IgG) and immunoglobulin M (IgM) contents, cytokine protein expression levels, and cell cycle and cyclins/cdks protein expression levels using the methods of pathology, flow cytometry (FCM), western blot (WB), and enzyme-linked immunosorbent assay (ELISA)...
December 16, 2016: Oncotarget
https://www.readbyqxmd.com/read/28002679/ocrelizumab-versus-interferon-beta-1a-in-relapsing-multiple-sclerosis
#15
Stephen L Hauser, Amit Bar-Or, Giancarlo Comi, Gavin Giovannoni, Hans-Peter Hartung, Bernhard Hemmer, Fred Lublin, Xavier Montalban, Kottil W Rammohan, Krzysztof Selmaj, Anthony Traboulsee, Jerry S Wolinsky, Douglas L Arnold, Gaelle Klingelschmitt, Donna Masterman, Paulo Fontoura, Shibeshih Belachew, Peter Chin, Nicole Mairon, Hideki Garren, Ludwig Kappos
Background B cells influence the pathogenesis of multiple sclerosis. Ocrelizumab is a humanized monoclonal antibody that selectively depletes CD20+ B cells. Methods In two identical phase 3 trials, we randomly assigned 821 and 835 patients with relapsing multiple sclerosis to receive intravenous ocrelizumab at a dose of 600 mg every 24 weeks or subcutaneous interferon beta-1a at a dose of 44 μg three times weekly for 96 weeks. The primary end point was the annualized relapse rate. Results The annualized relapse rate was lower with ocrelizumab than with interferon beta-1a in trial 1 (0...
December 21, 2016: New England Journal of Medicine
https://www.readbyqxmd.com/read/28000722/an-ifih1-gene-polymorphism-associated-with-risk-for-autoimmunity-regulates-canonical-antiviral-defence-pathways-in-coxsackievirus-infected-human-pancreatic-islets
#16
Erna Domsgen, Katharina Lind, Lingjia Kong, Michael H Hühn, Omid Rasool, Frank van Kuppeveld, Olle Korsgren, Riitta Lahesmaa, Malin Flodström-Tullberg
The IFIH1 gene encodes the pattern recognition receptor MDA5. A common polymorphism in IFIH1 (rs1990760, A946T) confers increased risk for autoimmune disease, including type 1-diabetes (T1D). Coxsackievirus infections are linked to T1D and cause beta-cell damage in vitro. Here we demonstrate that the rs1990760 polymorphism regulates the interferon (IFN) signature expressed by human pancreatic islets following Coxsackievirus infection. A strong IFN signature was associated with high expression of IFNλ1 and IFNλ2, linking rs1990760 to the expression of type III IFNs...
December 21, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27999525/antidepressant-drug-treatment-in-association-with-multiple-sclerosis-disease-modifying-therapy-using-explorys-in-the-ms-population
#17
Matthew M Mirsky, Ruth Ann Marrie, Alexander Rae-Grant
Background: The Explorys Enterprise Performance Management (EPM) database contains de-identified clinical data for 50 million patients. Multiple sclerosis (MS) disease-modifying therapies (DMTs), specifically interferon beta (IFNβ) treatments, may potentiate depression. Conflicting data have emerged, and a large-scale claims-based study by Patten et al. did not support such an association. This study compares the results of Patten et al. with those using the EPM database. Methods: "Power searches" were built to test the relationship between antidepressant drug use and DMT in the MS population...
November 2016: International Journal of MS Care
https://www.readbyqxmd.com/read/27995531/effect-on-cognition-of-estroprogestins-combined-with-interferon-beta-in-multiple-sclerosis-analysis-of-secondary-outcomes-from-a-randomised-controlled-trial
#18
Laura De Giglio, Fabiana Marinelli, Valeria T Barletta, Veronica A Pagano, Floriana De Angelis, Fulvia Fanelli, Nikolaos Petsas, Patrizia Pantano, Valentina Tomassini, Carlo Pozzilli
INTRODUCTION: Cognitive impairment is a disabling symptom in multiple sclerosis (MS). While its management remains challenging, beneficial effects on cognition of interferon beta (IFN-β) have been reported and a positive effect from estroprogestins has been hypothesised, suggesting that the combination of the two medications in women with MS could offer a promising treatment strategy. OBJECTIVES: We investigated whether a combination of estroprogestins and IFN-β can improve cognition in women with MS...
December 19, 2016: CNS Drugs
https://www.readbyqxmd.com/read/27994210/mycobacterium-vaccae-induces-a-strong-th1-response-that-subsequently-declines-in-c57bl-6-mice
#19
Lijiao Zhang, Yanlong Jiang, Ziyin Cui, Wentao Yang, Limin Yue, Yingcong Ma, Shaohua Shi, Chunfang Wang, Chunfeng Wang, Aidong Qian
Mycobacterium (M.) vaccae is a fast-growing species of saprophytic bacteria that is widely distributed. To understand the host immune responses induced by M. vaccae isolated from bovine submaxillary lymph nodes, C57BL/6 mice were infected with reference strain M. bovis Bacillus Calmette-Guérin (BCG) and isolated M. vaccae using intraperitoneal injections. Comparison of the bacterial replication and organ pathology between M. vaccae and M. bovis BCG revealed that M. vaccae was more malignant than M. bovis in mice...
December 30, 2016: Journal of Veterinary Science
https://www.readbyqxmd.com/read/27984784/porcine-deltacoronavirus-nsp5-inhibits-interferon-%C3%AE-production-through-the-cleavage-of-nemo
#20
Xinyu Zhu, Liurong Fang, Dang Wang, Yuting Yang, Jiyao Chen, Xu Ye, Mohamed Frahat Foda, Shaobo Xiao
Porcine deltacoronavirus (PDCoV) causes acute enteric disease and mortality in seronegative neonatal piglets. Previously we have demonstrated that PDCoV infection suppresses the production of interferon-beta (IFN-β), while the detailed mechanisms are poorly understood. Here, we demonstrate that nonstructural protein 5 (nsp5) of PDCoV, the 3C-like protease, significantly inhibits Sendai virus (SEV)-induced IFN-β production by targeting the NF-κB essential modulator (NEMO), confirmed by the diminished function of NEMO cleaved by PDCoV...
December 13, 2016: Virology
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