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https://www.readbyqxmd.com/read/29643001/immune-cell-bdnf-expression-in-treatment-na%C3%A3-ve-relapsing-remitting-multiple-sclerosis-patients-and-following-one-year-of-immunomodulation-therapy
#1
Alicja Kalinowska-Łyszczarz, Mikołaj A Pawlak, Aleksandra Wyciszkiewicz, Krystyna Osztynowicz, Wojciech Kozubski, Sławomir Michalak
Although neurons are the main source of neurotrophins in the healthy brain, neurotrophins can also be expressed in the immune system. We have previously shown that in relapsing-remitting multiple sclerosis (RRMS) lower immune-cell neurotrophin levels are associated with brain atrophy and cognitive impairment. The aim of the present study was to assess if immune-cell neurotrophin expression is impaired in MS as compared with the healthy controls, and to describe if these levels change in treatment-naïve RRMS patients, following one year of immunomodulation...
March 29, 2018: Neurologia i Neurochirurgia Polska
https://www.readbyqxmd.com/read/29624084/recent-developments-in-interferon-based-therapies-for-multiple-sclerosis
#2
Laura Dumitrescu, Cris S Constantinescu, Radu Tanasescu
Multiple sclerosis (MS) is a chronic and disabling immune-mediated disease of the central nervous system. Beta-interferons are the first approved and still the most widely used first-line disease-modifying treatment in MS. Areas covered: Here we focus on recent developments in pharmacology and delivery systems of beta-interferons, and discuss their place within current state of the art therapeutic approaches. We briefly review the clinical trials for classical and PEGylated formulations, emphasizing effectiveness, safety concerns, and tolerability...
April 6, 2018: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/29602795/disease-modifying-drugs-for-multiple-sclerosis-and-infection-risk-a-cohort-study
#3
José Maria Andreas Wijnands, Feng Zhu, Elaine Kingwell, John David Fisk, Charity Evans, Ruth Ann Marrie, Yinshan Zhao, Helen Tremlett
OBJECTIVE: Little is known about disease-modifying treatments (DMTs) for multiple sclerosis (MS) and infection risk in clinical practice. We examined the association between DMTs and infection-related medical encounters. METHODS: Using population-based administrative data from British Columbia, Canada, we identified MS cases and followed them from their first demyelinating event (1996-2013) until emigration, death or study end (December 2013). Associations between DMT exposure (by DMT generation or class) and infection-related physician or hospital claims were assessed using recurrent time-to-events models, adjusted for age, sex, socioeconomic status, index year and comorbidity count...
March 30, 2018: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/29523094/pediatric-multiple-sclerosis-a-review
#4
Raed Alroughani, Alexey Boyko
BACKGROUND: Pediatric-onset multiple sclerosis (POMS) prevalence and incidence rates are increasing globally. No disease-modifying therapy are approved for MS pediatric population. Hence, we aim to review the literature on POMS to guide treating physicians on the current understanding of diagnosis and management of pediatric MS. METHODS: The authors performed a literature search and reviewed the current understanding on risk factors and disease parameters in order to discuss the challenges in assessing and implementing diagnosis and therapy in clinical practice...
March 9, 2018: BMC Neurology
https://www.readbyqxmd.com/read/29514907/distinct-immunogenicity-and-efficacy-of-poxvirus-based-vaccine-candidates-against-ebola-virus-expressing-gp-and-vp40-proteins
#5
Adrián Lázaro-Frías, Sergio Gómez-Medina, Lucas Sánchez-Sampedro, Karl Ljungberg, Mart Ustav, Peter Liljeström, César Muñoz-Fontela, Mariano Esteban, Juan García-Arriaza
Zaire and Sudan ebolavirus species cause a severe disease in humans and non-human primates (NHPs) characterized by high mortality rate. There are no licensed therapies or vaccines against Ebola virus disease (EVD), and the recent 2013-2016 outbreak in West Africa highlighted the need of EVD-specific medical countermeasures. Here, we have generated and characterized head-to-head the immunogenicity and efficacy of five vaccine candidates against Zaire ebolavirus (EBOV) and Sudan ebolavirus (SUDV) based on the highly attenuated poxvirus vector modified vaccinia virus Ankara (MVA), expressing either the virus glycoprotein (GP) or GP together with the virus protein 40 (VP40) forming virus-like particles (VLPs)...
March 7, 2018: Journal of Virology
https://www.readbyqxmd.com/read/29356977/short-and-long-term-clinical-outcomes-of-use-of-beta-interferon-or-glatiramer-acetate-for-people-with-clinically-isolated-syndrome-a-systematic-review-of-randomised-controlled-trials-and-network-meta-analysis
#6
REVIEW
X Armoiry, A Kan, G J Melendez-Torres, R Court, P Sutcliffe, P Auguste, J Madan, C Counsell, A Clarke
BACKGROUND: Beta-interferon (IFN-β) and glatiramer acetate (GA) have been evaluated in people with clinically isolated syndrome (CIS) with the aim to delay a second clinical attack and a diagnosis of clinically definite multiple sclerosis (CDMS). We systematically reviewed trials evaluating the short- and long-term clinical effectiveness of these drugs in CIS. METHODS: We searched multiple electronic databases. We selected randomised controlled studies (RCTs) conducted in CIS patients and where the interventions were IFN-β and GA...
January 22, 2018: Journal of Neurology
https://www.readbyqxmd.com/read/29332426/effects-of-multiple-sclerosis-and-medications-on-menopausal-age
#7
Ülkü Türk Börü, Cansu Köseoğlu Toksoy, Cem Bölük, Adnan Bilgiç, Mustafa Taşdemir
Objectives We aimed to determine whether multiple sclerosis (MS) and methylprednisolone and disease-modifying drugs have an effect on menopausal age. Methods A total of 86 patients and 98 healthy subjects were included in this study. The natural menopausal age of the patients and healthy subjects were compared. The cumulative dosages of methylprednisolone, beta interferons (IFNβs), and glatiramer acetate were calculated. The effects of the Expanded Disability Status Scale (EDSS), duration of the disease, and cumulative dosage of medications on menopausal age were evaluated...
March 2018: Journal of International Medical Research
https://www.readbyqxmd.com/read/29139001/the-assessment-for-disinvestment-of-intramuscular-interferon-beta-for-relapsing-remitting-multiple-sclerosis-in-brazil
#8
REVIEW
Livia Lovato Pires de Lemos, Augusto Afonso Guerra Júnior, Marisa Santos, Carlos Magliano, Isabela Diniz, Kathiaja Souza, Ramon Gonçalves Pereira, Juliana Alvares, Brian Godman, Marion Bennie, Ivan Ricardo Zimmermann, Vânia Crisitna Canuto Dos Santos, Clarice Alegre Pretramale, Francisco de Assis Acurcio
In Brazil, inclusion and exclusion of health technologies within the Unified Health System (SUS) is the responsibility of the National Committee for Health Technology Incorporation (CONITEC). A recent Cochrane systematic review demonstrated that intramuscular interferon beta 1a (IFN-β-1a-IM) was inferior to the other beta interferons (IFN-βs) for multiple sclerosis (MS). As a result, CONITEC commissioned an analysis to review possible disinvestment within SUS. The objective of this paper is to describe the disinvestment process for IFN-β-1a-IM in Brazil...
November 14, 2017: PharmacoEconomics
https://www.readbyqxmd.com/read/29066027/interferon-beta-specific-t-cells-are-associated-with-the-development-of-neutralizing-antibodies-in-interferon-beta-treated-multiple-sclerosis-patients
#9
Sudhakar Reddy Kalluri, Verena Grummel, Zsuzsanna Hracsko, Viola Pongratz, Verena Pernpeintner, Christiane Gasperi, Dorothea Buck, Bernhard Hemmer
Beta-interferons are still among the most commonly used drugs to treat Multiple Sclerosis (MS). The use of beta-interferons is limited by the development of anti-drug antibodies (ADA), which may abrogate the treatment effect of the drug. Although the antibody response has been well studied, little is known about the T cell response to interferon-beta (IFN-β). We investigated T cell responses in four treatment naïve MS patients and twenty-three patients treated with IFN-β who had or had not developed ADA to IFN-β...
October 20, 2017: Journal of Autoimmunity
https://www.readbyqxmd.com/read/29032405/agaricus-blazei-murill-polysaccharides-protect-against-cadmium-induced-oxidative-stress-and-inflammatory-damage-in-chicken-spleens
#10
Wanqiu Xie, Ai Lv, Ruyue Li, Zequn Tang, Dexing Ma, Xiaodan Huang, Ruili Zhang, Ming Ge
Agaricus blazei Murill polysaccharide (ABP) has exhibited antioxidant and immunoregulatory activity. The aim of this study was to investigate the effect of ABP on cadmium (Cd)-induced antioxidant functions and inflammatory damage in chicken spleens. In this study, groups of 7-day-old chickens were fed with normal saline (0.2 mL single/day), CdCl2 (140 mg/kg/day), ABP (30 mg/mL, 0.2 mL single/day), and Cd + ABP (140 mg/kg/day + 0.2 mL ABP). Spleens were separated on the 20th, 40th, and 60th day for each group...
October 14, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28914229/clinical-effectiveness-and-cost-effectiveness-of-beta-interferon-and-glatiramer-acetate-for-treating-multiple-sclerosis-systematic-review-and-economic-evaluation
#11
G J Melendez-Torres, Peter Auguste, Xavier Armoiry, Hendramoorthy Maheswaran, Rachel Court, Jason Madan, Alan Kan, Stephanie Lin, Carl Counsell, Jacoby Patterson, Jeremy Rodrigues, Olga Ciccarelli, Hannah Fraser, Aileen Clarke
BACKGROUND: At the time of publication of the most recent National Institute for Health and Care Excellence (NICE) guidance [technology appraisal (TA) 32] in 2002 on beta-interferon (IFN-β) and glatiramer acetate (GA) for multiple sclerosis, there was insufficient evidence of their clinical effectiveness and cost-effectiveness. OBJECTIVES: To undertake (1) systematic reviews of the clinical effectiveness and cost-effectiveness of IFN-β and GA in relapsing-remitting multiple sclerosis (RRMS), secondary progressive multiple sclerosis (SPMS) and clinically isolated syndrome (CIS) compared with best supportive care (BSC) and each other, investigating annualised relapse rate (ARR) and time to disability progression confirmed at 3 months and 6 months and (2) cost-effectiveness assessments of disease-modifying therapies (DMTs) for CIS and RRMS compared with BSC and each other...
September 2017: Health Technology Assessment: HTA
https://www.readbyqxmd.com/read/28856908/butyrate-modulating-effects-on-pro-inflammatory-pathways-in-human-intestinal-epithelial-cells
#12
A Elce, F Amato, F Zarrilli, A Calignano, R Troncone, G Castaldo, R B Canani
Butyrate acts as energy source for intestinal epithelial cells and as key mediator of several immune processes, modulating gene expression mainly through histone deacetylation inhibition. Thanks to these effects, butyrate has been proposed for the treatment of many intestinal diseases. Aim of this study was to investigate the effect of butyrate on the expression of a large series of target genes encoding proteins involved in pro-inflammatory pathways. We performed quantitative real-time-PCR analysis of the expression of 86 genes encoding proteins bearing to pro-inflammatory pathways, before and after butyrate exposure, in primary epithelial cells derived from human small intestine and colon...
August 31, 2017: Beneficial Microbes
https://www.readbyqxmd.com/read/28819018/adjuvant-treatment-of-anogenital-warts-with-systemic-interferon-a-systematic-review-and-meta-analysis
#13
Lukas Westfechtel, Ricardo Niklas Werner, Corinna Dressler, Matthew Gaskins, Alexander Nast
BACKGROUND: Interferons are natural messenger proteins that are used to treat various disease entities. Due to their immunomodulating, antiviral and antiproliferative effects, the systemic administration of interferons after ablative treatment for anogenital warts (AGWs) has been advocated to increase clearance and decrease recurrence rates. However, studies investigating the efficacy of adjuvant systemic interferon have yielded inconsistent results. The objective of this systematic review and meta-analysis was to comprehensively assess and evaluate the available evidence from randomised controlled trials...
February 2018: Sexually Transmitted Infections
https://www.readbyqxmd.com/read/28765216/key-role-of-the-scavenger-receptor-marco-in-mediating-adenovirus-infection-and-subsequent-innate-responses-of-macrophages
#14
Mareike D Maler, Peter J Nielsen, Nicole Stichling, Idan Cohen, Zsolt Ruzsics, Connor Wood, Peggy Engelhard, Maarit Suomalainen, Ildiko Gyory, Michael Huber, Joachim Müller-Quernheim, Wolfgang W A Schamel, Siamon Gordon, Thilo Jakob, Stefan F Martin, Willi Jahnen-Dechent, Urs F Greber, Marina A Freudenberg, György Fejer
The scavenger receptor MARCO is expressed in several subsets of naive tissue-resident macrophages and has been shown to participate in the recognition of various bacterial pathogens. However, the role of MARCO in antiviral defense is largely unexplored. Here, we investigated whether MARCO might be involved in the innate sensing of infection with adenovirus and recombinant adenoviral vectors by macrophages, which elicit vigorous immune responses in vivo Using cells derived from mice, we show that adenovirus infection is significantly more efficient in MARCO-positive alveolar macrophages (AMs) and in AM-like primary macrophage lines (Max Planck Institute cells) than in MARCO-negative bone marrow-derived macrophages...
August 1, 2017: MBio
https://www.readbyqxmd.com/read/28721023/persistence-to-disease-modifying-therapies-for-multiple-sclerosis-in-a-canadian-cohort
#15
Dessalegn Y Melesse, Ruth Ann Marrie, James F Blanchard, Bo Nancy Yu, Charity Evans
PURPOSE: To examine the long-term persistence to the first-line injectable disease-modifying therapies (DMTs) for multiple sclerosis (MS) and to identify the factors associated with nonpersistence. PATIENTS AND METHODS: We used population-based administrative data from Manitoba, Canada. All adult subjects who were diagnosed with MS and dispensed a first-line injectable DMT (beta-interferon-1b, beta-interferon-1a, and glatiramer acetate) between 1996 and 2011 and had a minimum of 1 year of follow-up were included...
2017: Patient Preference and Adherence
https://www.readbyqxmd.com/read/28680969/differential-antagonism-of-human-innate-immune-responses-by-tick-borne-phlebovirus-nonstructural-proteins
#16
Veronica V Rezelj, Ping Li, Vidyanath Chaudhary, Richard M Elliott, Dong-Yan Jin, Benjamin Brennan
In recent years, several newly discovered tick-borne viruses causing a wide spectrum of diseases in humans have been ascribed to the Phlebovirus genus of the Bunyaviridae family. The nonstructural protein (NSs) of bunyaviruses is the main virulence factor and interferon (IFN) antagonist. We studied the molecular mechanisms of IFN antagonism employed by the NSs proteins of human apathogenic Uukuniemi virus (UUKV) and those of Heartland virus (HRTV) and severe fever with thrombocytopenia syndrome virus (SFTSV), both of which cause severe disease...
May 2017: MSphere
https://www.readbyqxmd.com/read/28619150/alpha-beta-interferon-receptor-deficiency-in-mice-significantly-enhances-susceptibility-of-the-animals-to-pseudorabies-virus-infection
#17
Jingyun Wei, Yanmei Ma, Long Wang, Xiaojuan Chi, Ruoxiang Yan, Song Wang, Xinxin Li, Xiaoyong Chen, Wenhan Shao, Ji-Long Chen
Pseudorabies virus, one of the neurotropic viruses, can infect numerous mammals. In particular, pseudorabies virus infection of swine occurs worldwide, and is a major threat to swine industry. However, the mechanism underlying the interaction between pseudorabies virus and host innate immune system is not fully understood. Here, we investigated the involvement of interferon α/β (IFN-α/β) receptor (IFNAR) in the pathogenesis of pseudorabies virus in a mouse model. The results showed that IFNAR-deficient (IFNAR(-/-)) mice were highly susceptible to the virus infection, as evidenced by markedly reduced survival rate of infected animals and increased viral replication...
May 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28546972/the-survey-of-mindfulness-in-multiple-sclerosis-patients-and-its-association-with-attachment-style
#18
Soheila Mohamadirizi, Vahid Shaygannejad, Shahla Mohamadirizi
BACKGROUND: Mindfulness may be conceptualized as a dispositional trait which differs across individuals, so this study was, therefore, designed to determine the survey of mindfulness in multiple sclerosis (MS) patients and its association with attachment style. MATERIALS AND METHODS: This was a cross-sectional study which was conducted in Kashani Hospital affiliated to Isfahan University of Medical Sciences, Iran, in 2013. Samples were 210 adult patients who suffered from MS completed demographic and disease characteristics questionnaire, Five Factor Mindfulness Questionnaire and adult attachment style...
2017: Journal of Education and Health Promotion
https://www.readbyqxmd.com/read/28475587/two-studies-in-one-a-propensity-score-matched-comparison-of-fingolimod-versus-interferons-and-glatiramer-acetate-using-real-world-data-from-the-independent-german-studies-pangaea-and-pearl
#19
Jonathan Alsop, Jennie Medin, Christian Cornelissen, Stefan Viktor Vormfelde, Tjalf Ziemssen
BACKGROUND: This study compared outcomes following fingolimod or BRACE treatments (beta-interferons/glatiramer acetate) in patients with active MS (≥ 1 relapse in the previous year) following previous BRACE treatment. METHODS AND FINDINGS: Patients with active MS who previously received BRACE were identified from German prospective, observational studies, PANGAEA and PEARL. A novel methodology was developed to compare outcomes between propensity-score-matched cohorts (3:1 ratio) from the independent single-arm studies...
2017: PloS One
https://www.readbyqxmd.com/read/28395999/the-ns1-protein-of-h5n6-feline-influenza-virus-inhibits-feline-beta-interferon-response-by-preventing-nf-%C3%AE%C2%BAb-and-irf3-activation
#20
Lifang Wang, Xinliang Fu, Yun Zheng, Pei Zhou, Bo Fang, San Huang, Xin Zhang, Jidang Chen, Zongxi Cao, Jin Tian, Shoujun Li
Despite the apparent lack of a feline influenza virus lineage, cats are susceptible to infection by influenza A viruses. Here, we characterized in vitro A/feline/Guangdong/1/2015, an H5N6 avian influenza virus recently isolated from cats. A/feline/Guangdong/1/2015 replicated to high titers and caused CPE in feline kidney cells. We determined that infection with A/feline/Guangdong/1/2015 did not activate the IFN-β promoter, but inhibited it by blocking the activation of NF-κB and IRF3. We also determined that the viral NS1 protein mediated the block, and that the dsRNA binding domain of NS1 was essential to perform this function...
September 2017: Developmental and Comparative Immunology
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