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https://www.readbyqxmd.com/read/29343473/smoking-affects-the-interferon-beta-treatment-response-in-multiple-sclerosis
#1
Eva R Petersen, Annette B Oturai, Nils Koch-Henriksen, Melinda Magyari, Per S Sørensen, Finn Sellebjerg, Helle B Søndergaard
OBJECTIVE: To investigate whether smoking in patients with relapsing-remitting multiple sclerosis (RRMS) treated with interferon beta (IFN-β) is associated with the relapse rate and whether there is an interaction between smoking and human leukocyte antigen (HLA)-DRB1*15:01, HLA-A*02:01, and the N-acetyltransferase-1 (NAT1) variant rs7388368A. METHODS: DNA from 834 IFN-β-treated patients with RRMS from the Danish Multiple Sclerosis Biobank was extracted for genotyping...
January 17, 2018: Neurology
https://www.readbyqxmd.com/read/29332426/effects-of-multiple-sclerosis-and-medications-on-menopausal-age
#2
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...
January 1, 2018: Journal of International Medical Research
https://www.readbyqxmd.com/read/29318902/interferon-%C3%AE-1a-and-%C3%AE-1b-for-patients-with-multiple-sclerosis-updates-to-current-knowledge
#3
Uwe Klaus Zettl, Michael Hecker, Orhan Aktas, Torsten Wagner, Paulus S Rommer
Although multiple sclerosis (MS) remains incurable, interferon beta (IFNβ) has been at the forefront of treatment for many years. Different formulations of IFNβ allow for different levels of exposure: low-dose/frequency with some agents, and high-dose/frequency with others. Areas covered: This review article discusses existing and emerging efficacy and safety data for IFNβ in MS. Clinical evidence of IFNβ efficacy has been generated and accumulated over many decades. During this time, key clinical trials have demonstrated the benefits of high-dose and/or high-frequency dosing of IFNβ-1a or β-1b, compared with lower levels of exposure, on outcome measures such as relapse rates, disability progression, disease progression and magnetic resonance imaging lesion outcomes...
January 10, 2018: Expert Review of Clinical Immunology
https://www.readbyqxmd.com/read/29318028/interferon-beta-1b-in-treatment-na%C3%A3-ve-paediatric-patients-with-relapsing-remitting-multiple-sclerosis-two-year-results-from-the-betapaedic-study
#4
Jutta Gärtner, Wolfgang Brück, Almuth Weddige, Hannah Hummel, Christiane Norenberg, Jörg-Peter Bugge
Background and objective: Study evaluating Betaferon(R)'s safety and tolerability in paediatric patients with multiple sclerosis (BETAPAEDIC) is a prospective, open-label observational multicentre study to assess the safety and effectiveness of interferon beta-1b in paediatric patients with relapsing-remitting multiple sclerosis. Methods: Treatment-naïve patients (12-16 years) scheduled to start interferon beta-1b were enrolled with follow-up visits every six months for two years...
October 2017: Multiple Sclerosis Journal—Experimental, Translational and Clinical
https://www.readbyqxmd.com/read/29317954/a-multiple-treatment-comparison-of-eleven-disease-modifying-drugs-used-for-multiple-sclerosis
#5
Vida Hamidi, Elisabeth Couto, Tove Ringerike, Marianne Klemp
Background: Several disease-modifying drug therapies are available for the treatment of multiple sclerosis (MS). To ensure the most appropriate MS management, we assessed the effectiveness and cost-effectiveness of the disease-modifying medicines used for MS. Methods: We conducted a systematic review including 11 disease-modifying drugs used for treatment of adult patients diagnosed with relapsing-remitting MS. We performed a network meta-analysis using both direct and indirect evidence...
February 2018: Journal of Clinical Medicine Research
https://www.readbyqxmd.com/read/29307521/decreased-cd122-on-cd56dim-nk-associated-with-its-impairment-in-asymptomatic-chronic-hbv-carriers-with-high-levels-of-hbv-dna-hbsag-and-hbeag
#6
Wenzheng Han, Qin Ni, Kezhou Liu, Yunliang Yao, Dejian Zhao, Xia Liu, Yu Chen
AIMS: NK cells play important roles in inhibiting HBV replication and preventing HBV infection. However, NK-cell dysfunction has not been fully studied in asymptomatic chronic HBV carriers (ASC). This study aims to assess decreased expression of CD122 associated with impaired NK cells and the restoration of NK cells with IL-2 and IL-15 stimulation. MAIN METHODS: The experiments were performed by flow cytometer, cytotoxicity assay, ELISA and Western blotting. KEY FINDINGS: The reduced CD122 on CD56+ NK cells and CD56dim NK cells is associated with high levels of HBV DNA, HBsAg or HBeAg in ASCs, in which CD56dim NK-cell impairment is observed...
January 4, 2018: Life Sciences
https://www.readbyqxmd.com/read/29305608/disease-course-and-treatment-responses-in-children-with-relapsing-myelin-oligodendrocyte-glycoprotein-antibody-associated-disease
#7
Yael Hacohen, Yu Yi Wong, Christian Lechner, Maciej Jurynczyk, Sukhvir Wright, Bahadir Konuskan, Judith Kalser, Anne Lise Poulat, Helene Maurey, Esther Ganelin-Cohen, Evangeline Wassmer, Chery Hemingway, Rob Forsyth, Eva Maria Hennes, M Isabel Leite, Olga Ciccarelli, Banu Anlar, Rogier Hintzen, Romain Marignier, Jacqueline Palace, Matthias Baumann, Kevin Rostásy, Rinze Neuteboom, Kumaran Deiva, Ming Lim
Importance: Myelin oligodendrocyte glycoprotein antibodies (MOG-Abs) are consistently identified in a range of demyelinating disorders in adults and children. Current therapeutic strategies are largely center specific, and no treatments have been formally evaluated. Objective: To examine the clinical phenotypes, treatment responses, and outcomes of children with relapsing MOG-Ab-associated disease. Design, Setting, and Participants: This study prospectively collected demographic, clinical, and radiologic data from 102 patients from 8 countries of the EU Paediatric Demyelinating Disease Consortium from January 1, 2014, through December 31, 2016...
January 5, 2018: JAMA Neurology
https://www.readbyqxmd.com/read/29301581/activation-of-dopamine-d1-receptor-decreased-nlrp3-mediated-inflammation-in-intracerebral-hemorrhage-mice
#8
Tian Wang, Derek Nowrangi, Lingyan Yu, Tai Lu, Jiping Tang, Bing Han, Yuxin Ding, Fenghua Fu, John H Zhang
BACKGROUND: Inflammasomes are involved in diverse inflammatory diseases. Previous study reported that the neurotransmitter dopamine inhibited NLRP3 inflammasome activation via dopamine D1 receptor (DRD1). The present study aims to investigate the role of DRD1 on neuroinflammation in intracerebral hemorrhage (ICH) mice and the potential mechanism mediated by NLRP3 inhibition. METHODS: One hundred and six male CD-1 mice were subjected to intrastriatal injection of bacterial collagenase or PBS...
January 4, 2018: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29298097/functional-defects-of-regulatory-t-cell-through-interleukin-10-mediated-mechanism-in-the-induction-of-gestational-diabetes-mellitus
#9
Yan Yang, Lixiu Liu, Beibei Liu, Qi Li, Zhe Wang, Sitong Fan, He Wang, Liandi Wang
Gestational diabetes mellitus (GDM) is a metabolic and low-grade inflammatory disease most commonly found in pregnant women with high body mass index and non-Caucasian ethnicities; however, not all women of high-risk groups develop GDM. We hypothesized that regulatory T cells (Tregs) might present a role in suppressing GDM development. To this end, 55 high-risk women at early pregnancy (first trimester) were recruited, and 21 of them developed GDM while the other 34 did not. Compared to those subjects who did not develop GDM (non-GDM), the patients who developed GDM presented reduced levels of Tregs and elevated levels of serum interleukin 6 (IL-6) and tumor necrosis factor alpha (TNF-alpha)...
January 3, 2018: DNA and Cell Biology
https://www.readbyqxmd.com/read/29291149/antibiotic-free-expression-system-for-the-production-of-human-interferon-beta-protein
#10
Dharam Pal, Rajan K Tripathy, Madaka Surya Teja, Mukesh Kumar, Uttam Chand Banerjee, Abhay H Pande
Recombinant human interferon-β (rhIFN-β), a therapeutic protein, is produced using both prokaryotic and eukaryotic expression systems. However, instability of recombinant plasmid during cultivation of Escherichia coli results in low yield of the recombinant proteins. In addition, use of antibiotics during the cultivation imposes a major concern. In this study, we have compared the expression yield of rhIFN-β in E. coli BL21 (DE3) and E coli SE1 cells. Gene-encoding rhIFN-β was expressed in E. coli BL21 (DE3) and SE1 cells and the cultivation of recombinant E...
January 2018: 3 Biotech
https://www.readbyqxmd.com/read/29289653/in-vitro-investigations-on-the-effects-of-semi-synthetic-sulphated-carbohydrates-on-the-immune-status-of-cultured-common-carp-cyprinus-carpio-leucocytes
#11
N Kareem, E Yates, M Skidmore, D Hoole
The rapid emergence of drug resistance, unfavourable immunosuppression and mounting evidence to suggest the deleterious accumulation of drug breakdown residues within animal tissues has driven a strong desire to move away from these current methods of disease control. Some natural products such as β-glucan, which are extracted from, for example, plants and fungi, are able to modulate the immune system and increase protection against diseases. However, these products are heterogeneous and their effects can be variable thus limiting their applicability and reliability...
December 28, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29282795/interplay-of-foot-and-mouth-disease-virus-with-cell-mediated-and-humoral-immunity-of-host
#12
REVIEW
Muhammad Abubakar, Shumaila Manzoor, Afshan Ahmed
Foot and mouth disease virus (FMDV) causes a communicable disease of cloven hoofed animals, resulting in major economic losses during disease outbreaks. Like other members of the Picornaviridae FMDV has a relatively short infectious cycle; initiation of infection and dissemination, with production of infectious virions occurs in less than a week. The components of innate immunity as well as cell-mediated and humoral immunity play a crucial role in control of FMDV. However, it has been shown in vitro using a mouse model that FMDV has evolved certain mechanisms to counteract host immune responses ensuring its survival and spread...
December 28, 2017: Reviews in Medical Virology
https://www.readbyqxmd.com/read/29249322/saponin-quil-a-up-regulates-type-i-interferon-regulated-gene-and-type-i-and-ii-interferon-expressions-which-are-suppressed-by-porcine-reproductive-and-respiratory-syndrome-virus
#13
Wasin Charerntantanakul, Dante Fabros
Porcine reproductive and respiratory syndrome virus (PRRSV) suppresses innate immune response following infection of myeloid antigen-presenting cells. Poor innate immune response results in weak and delayed PRRSV-specific adaptive immunity, and facilitates PRRSV replication, pathogenesis, and persistent infection. Numerous efforts have been made to enhance the effective innate and adaptive immune defenses to PRRSV, however, only a few attempts have so far elicited satisfactory results. The present study aims to evaluate in vitro the potential of saponin quil A to enhance the expression of type I interferon (IFN)-regulated gene, type I and II IFNs, and pro-inflammatory cytokines in PRRSV-inoculated peripheral blood mononuclear cells (PBMC)...
January 2018: Veterinary Immunology and Immunopathology
https://www.readbyqxmd.com/read/29249139/omalizumab-for-refractory-chronic-spontaneous-urticaria-during-concurrent-immunomodulatory-therapy-for-multiple-sclerosis
#14
N Syrigos, D Grapsa, E Syrigou
Data derived from previous clinical trials and real-life studies have shown that omalizumab may represent an effective third-line treatment option for patients with chronic spontaneous urticaria (CSU) refractory to standard antihistamine treatment. Nevertheless, the safety and efficacy of omalizumab treatment for CSU, when administered concurrently with other immunomodulatory agents remains largely unknown. We herein present the case of a female patient with relapsing-remitting multiple sclerosis (RRMS), under treatment with interferon beta-1a, azathioprine and gabapentin, who was successfully treated with omalizumab for refractory CSU...
November 2017: European Annals of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29243005/efficacy-and-safety-outcomes-in-vitamin-d-supplement-users-in-the-fingolimod-phase-3-trials
#15
Kira Hongell, Diego G Silva, Shannon Ritter, Daniela Piani Meier, Merja Soilu-Hänninen
BACKGROUND: Low serum levels of 25-hydroxyvitamin D have been associated with worse outcomes in multiple sclerosis (MS) patients treated with interferon-beta. Association of vitamin D nutrition on the outcomes of other MS therapies has been studied less. OBJECTIVE: Whether patients in the phase 3 fingolimod trials using vitamin D supplements have better clinical, MRI and safety outcomes than non-users. MATERIALS AND METHODS: Pooled data from phase 3 FREEDOMS trials was analyzed post hoc...
December 14, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/29238716/pediatric-multiple-sclerosis-in-tunisia-a-retrospective-study-over-11-years
#16
Nedia Ben Achour, Ibtihel Rebai, Sarra Raddadi, Hanene Benrhouma, Hedia Klaa, Aida Rouissi, Ichraf Kraoua, Ilhem Ben Youssef Turki
Introduction: Pediatric multiple sclerosis (pMS) is a rare demyelinating disorder with an onset before the age of 18 years. In this study, we aimed to investigate the characteristics of pMS in Tunisian children. Patients and Methods: We conducted a retrospective study over 11 years (2005-2016) including all patients diagnosed with pMS according to the International Pediatric Multiple Sclerosis Study Group (IPMSSG) criteria of 2012 and followed up in a tertiary care research center...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29237838/a-single-amino-acid-substitution-within-the-paramyxovirus-sendai-virus-nucleoprotein-is-a-critical-determinant-for-production-of-ifn-beta-inducing-copyback-type-defective-interfering-genomes
#17
Asuka Yoshida, Ryoko Kawabata, Tomoyuki Honda, Kouji Sakai, Yasushi Ami, Takemasa Sakaguchi, Takashi Irie
One of the first defenses against infecting pathogens is the innate immune system activated by cellular recognition of pathogen-associated molecular patterns (PAMPs). Although virus-derived RNA species, especially copyback (cb)-type defective-interfering (DI) genomes, have been shown to serve as real PAMPs, which strongly induce interferon (IFN)-beta during mononegavirus infection, the mechanisms underlying DI generation remain unclear. Here, for the first time, we identified a single amino acid substitution causing production of cbDI genomes by successful isolation of two distinct types of viral clones with cbDI-producing and cbDI-non-producing phenotypes, from the stock Sendai virus (SeV) strain Cantell, which is widely used in a number of studies on anti-viral innate immunity as a representative IFN-beta-inducing virus...
December 13, 2017: Journal of Virology
https://www.readbyqxmd.com/read/29229854/interferon-beta-represses-cancer-stem-cell-properties-in-triple-negative-breast-cancer
#18
Mary R Doherty, HyeonJoo Cheon, Damian J Junk, Shaveta Vinayak, Vinay Varadan, Melinda L Telli, James M Ford, George R Stark, Mark W Jackson
Triple-negative breast cancer (TNBC), the deadliest form of this disease, lacks a targeted therapy. TNBC tumors that fail to respond to chemotherapy are characterized by a repressed IFN/signal transducer and activator of transcription (IFN/STAT) gene signature and are often enriched for cancer stem cells (CSCs). We have found that human mammary epithelial cells that undergo an epithelial-to-mesenchymal transition (EMT) following transformation acquire CSC properties. These mesenchymal/CSCs have a significantly repressed IFN/STAT gene expression signature and an enhanced ability to migrate and form tumor spheres...
December 26, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29228930/gene-expression-analysis-in-asthma-using-a-targeted-multiplex-array
#19
Christopher D Pascoe, Ma'en Obeidat, Bryna A Arsenault, Yunlong Nie, Stephanie Warner, Dorota Stefanowicz, Samuel J Wadsworth, Jeremy A Hirota, S Jasemine Yang, Delbert R Dorscheid, Chris Carlsten, Tillie L Hackett, Chun Y Seow, Peter D Paré
BACKGROUND: Gene expression changes in the structural cells of the airways are thought to play a role in the development of asthma and airway hyperresponsiveness. This includes changes to smooth muscle contractile machinery and epithelial barrier integrity genes. We used a targeted gene expression arrays to identify changes in the expression and co-expression of genes important in asthma pathology. METHODS: RNA was isolated from the airways of donor lungs from 12 patients with asthma (8 fatal) and 12 non-asthmatics controls and analyzed using a multiplexed, hypothesis-directed platform to detect differences in gene expression...
December 11, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29223655/in%C3%A2-vitro-cultured-bovine-endometrial-cells-recognize-embryonic-sex
#20
E Gómez, M J Sánchez-Calabuig, D Martin, S Carrocera, A Murillo, E Correia-Alvarez, P Herrero, N Canela, A Gutiérrez-Adán, S Ulbrich, M Muñoz
Endometrial cell co-culture (ECC) with single embryo may reflect endometrium responses in vivo. Bovine Day-6 in vitro-produced morulae were cultured until Day-8 in modified synthetic oviductal fluid (mSOF), or on the epithelial side of ECC. Expression of epithelial- and stromal-cell transcripts was analyzed by RT-PCR in ECC with one male (ME) or female embryo (FE). Concentrations of ARTEMIN (ARTN) and total protein were determined in epithelial cell-conditioned medium. ECCs yielded embryos with more cells in the inner cell mass than embryos cultured in mSOF...
December 5, 2017: Theriogenology
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