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https://www.readbyqxmd.com/read/28442041/cytokine-gene-expression-at-the-maternal-fetal-interface-after-somatic-cell-nuclear-transfer-pregnancies-in-small-ruminants
#1
Heloisa M Rutigliano, Amanda Wilhelm, Justin Hall, Bi Shi, Qinggang Meng, Rusty Stott, Thomas D Bunch, Kenneth L White, Christopher J Davies, Irina A Polejaeva
The present retrospective study investigated pregnancy rates, the incidence of pregnancy loss and large offspring syndrome (LOS) and immune-related gene expression of sheep and goat somatic cell nuclear transfer (SCNT) pregnancies. We hypothesised that significantly higher pregnancy losses observed in sheep compared with goat SCNT pregnancies are due to the increased amounts of T-helper 1 cytokines and proinflammatory mediators at the maternal-fetal interface. Sheep and goat SCNT pregnancies were generated using the same procedure...
April 2017: Reproduction, Fertility, and Development
https://www.readbyqxmd.com/read/28440858/treatment-with-disease-modifying-drugs-for-people-with-a-first-clinical-attack-suggestive-of-multiple-sclerosis
#2
REVIEW
Graziella Filippini, Cinzia Del Giovane, Marinella Clerico, Omid Beiki, Miriam Mattoscio, Federico Piazza, Sten Fredrikson, Irene Tramacere, Antonio Scalfari, Georgia Salanti
BACKGROUND: The treatment of multiple sclerosis has changed over the last 20 years. The advent of disease-modifying drugs in the mid-1990s heralded a period of rapid progress in the understanding and management of multiple sclerosis. With the support of magnetic resonance imaging early diagnosis is possible, enabling treatment initiation at the time of the first clinical attack. As most of the disease-modifying drugs are associated with adverse events, patients and clinicians need to weigh the benefit and safety of the various early treatment options before taking informed decisions...
April 25, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28436428/neuronal-ifn-beta-induced-pi3k-akt-foxa1-signalling-is-essential-for-generation-of-foxa1-treg-cells
#3
Yawei Liu, Andrea Marin, Patrick Ejlerskov, Louise Munk Rasmussen, Marco Prinz, Shohreh Issazadeh-Navikas
Neurons reprogramme encephalitogenic T cells (Tenc) to regulatory T cells (Tregs), either FoxP3(+)Tregs or FoxA1(+)Tregs. We reported previously that neuronal ability to generate FoxA1(+)Tregs was central to preventing neuroinflammation in experimental autoimmune encephalomyelitis (EAE). Mice lacking interferon (IFN)-β were defective in generating FoxA1(+)Tregs in the brain. Here we show that lack of neuronal IFNβ signalling is associated with the absence of programme death ligand-1 (PDL1), which prevents their ability to reprogramme Tenc cells to FoxA1(+)Tregs...
April 24, 2017: Nature Communications
https://www.readbyqxmd.com/read/28435890/gene-expression-profile-of-human-cytokines-in-response-to-burkholderia-pseudomallei-infection
#4
Shivankari Krishnananthasivam, Harindra Darshana Sathkumara, Enoka Corea, Mohan Natesan, Aruna Dharshan De Silva
Melioidosis is an underreported infectious disease, caused by the Gram-negative bacterium Burkholderia pseudomallei. Understanding the disease susceptibility and pathogenesis is crucial for developing newer diagnostic and therapeutic strategies for this life-threatening infection. In this study, we aimed to analyze the gene expression levels of important cytokines in melioidosis patients and establish useful correlates with disease biomarkers compared to cases of sepsis infection caused by other pathogens and healthy individuals...
March 2017: MSphere
https://www.readbyqxmd.com/read/28429995/new-insights-into-the-role-of-dietary-spermine-on-inflammation-immune-function-and-related-signalling-molecules-in-the-thymus-and-spleen-of-piglets
#5
Wei Cao, Xianjian Wu, Gang Jia, Hua Zhao, Xiaoling Chen, Caimei Wu, Jiayong Tang, Jing Wang, Jingyi Cai, Guangmang Liu
This study aimed to determine the effects of dietary spermine supplementation on the inflammatory response and immune function of the thymus and spleen in piglets. Eighty suckling piglets were randomly assigned to receive adequate nutrients supplemented with spermine (0.4 mmol/kg body weight) or restricted nutrient intake supplemented with normal saline for 7 h or 3, 6 and 9 days in pairs. Regardless of treatment time, spermine supplementation decreased (p < 0.05, compared with the controls) the following: (1) tumour necrosis factor α (TNF-α), interleukin (IL)-1β, 2 and 6, and interferon (IFN)-γ levels in serum; (2) gene expression of cluster of differentiation 8 and integrin beta-2 in the thymus and spleen and the lymphocyte function-associated antigen 1 in the thymus; (3) mRNA levels of TNF-α, IL 1β, 2, 6, and 12, IFN-γ and inducible nitric oxide synthase in the thymus and spleen, as well as IL-8 in the spleen; and (4) eukaryotic IF4E-binding protein 1, Janus kinase 2, signal transducer and activator of transcription 3, and nuclear factor-kappa B P65 gene transcriptions in the thymus and spleen...
June 2017: Archives of Animal Nutrition
https://www.readbyqxmd.com/read/28427696/genetic-burden-of-ms-risk-variants-distinguish-patients-from-healthy-individuals-but-are-not-associated-with-disease-activity
#6
Helle Bach Søndergaard, Eva Rosa Petersen, Melinda Magyari, Finn Sellebjerg, Annette Bang Oturai
Weighted genetic risk score (wGRS) was analysed for association with disease activity in more than 500 MS patients before and during interferon-beta treatment. The wGRS was higher in MS patients than in healthy controls when analysing eight HLA - and 109 non-HLA MS risk gene variants. No significant associations were observed between number of relapses prior to or during treatment with interferon-beta, both with and without HLA risk alleles included in the wGRS. In conclusion, among Danes the wGRS was higher in MS patients than controls but was not associated with the overall disease activity or response to treatment with interferon-beta...
April 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/28417621/inverse-relation-between-mxa-gene-expression-and-age-in-multiple-sclerosis-patients-reveals-a-gender-difference-in-response-to-interferon-therapy
#7
Mohammad Taheri, Mohammadreza Mirinezhad, Mir Davood Omrani, Elham Sajjadi, Hidetoshi Inoko, Arezou Sayad
Multiple sclerosis (MS) is an inflammatory, multifocal, immune-mediated disease of the central nervous system that women are at a higher risk to acquire than men. Myxovirus resistance protein A (MxA) is used as a predictive marker of bioactivity of interferon-beta (IFN-β) therapy in MS patients. This study was undertaken in west of Iran to investigate gender differences in the expression level of MxA in relapsing-remitting MS (RRMS) patients receiving IFN-β therapy, compared with untreated normal individuals...
February 2017: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/28410407/bacterial-amyloid-curli-acts-as-a-carrier-for-dna-to-elicit-an-autoimmune-response-via-tlr2-and-tlr9
#8
Sarah A Tursi, Ernest Y Lee, Nicole J Medeiros, Michael H Lee, Lauren K Nicastro, Bettina Buttaro, Stefania Gallucci, Ronald Paul Wilson, Gerard C L Wong, Çagla Tükel
Bacterial biofilms are associated with numerous human infections. The predominant protein expressed in enteric biofilms is the amyloid curli, which forms highly immunogenic complexes with DNA. Infection with curli-expressing bacteria or systemic exposure to purified curli-DNA complexes triggers autoimmunity via the generation of type I interferons (IFNs) and anti-double-stranded DNA antibodies. Here, we show that DNA complexed with amyloid curli powerfully stimulates Toll-like receptor 9 (TLR9) through a two-step mechanism...
April 14, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28401852/t-helper-type-1-t-helper-type-2-shift-and-nasal-remodeling-after-fine-particulate-matter-exposure-in-a-rat-model-of-allergic-rhinitis
#9
Zhi-Qiang Guo, Wei-Yang Dong, Jian Xu, Zhi-Cong Hong, Ren-Wu Zhao, Cong-Rui Deng, Guo-Shun Zhuang, Ru-Xin Zhang
BACKGROUND: Exposure to fine particulate matter (particulate matter less than or equal to 2.5 mg [PM2.5]) increases therisk of allergic rhinitis (AR), but the underlying mechanisms remains unclear. Thus, we investigated the roles of T-helper (Th)1-Th2 cytokines and nasal remodeling after ambient PM2.5 exposure in a rat model of AR. METHODS: Female Sprague-Dawley rats were randomized into six groups: a negative control group, a group of healthy rats exposed to 3000 mg/m3 PM2...
April 11, 2017: American Journal of Rhinology & Allergy
https://www.readbyqxmd.com/read/28396748/innate-immune-responses-induced-by-lipopolysaccharide-and-lipoteichoic-acid-in-primary-goat-mammary-epithelial-cells
#10
Omar Bulgari, Xianwen Dong, Alfred L Roca, Anna M Caroli, Juan J Loor
BACKGROUND: Innate immune responses induced by in vitro stimulation of primary mammary epithelial cells (MEC) using Gram-negative lipopolysaccharide (LPS) and Gram-positive lipoteichoic acid (LTA) bacterial cell wall components are well- characterized in bovine species. The objective of the current study was to characterize the downstream regulation of the inflammatory response induced by Toll-like receptors in primary goat MEC (pgMEC). We performed quantitative real-time RT-PCR (qPCR) to measure mRNA levels of 9 genes involved in transcriptional regulation or antibacterial activity: Toll-like receptor 2 (TLR2), Toll-like receptor 4 (TLR4), prostaglandin-endoperoxide synthase 2 (PTGS2), interferon induced protein with tetratricopeptide repeats 3 (IFIT3), interferon regulatory factor 3 (IRF3), myeloid differentiation primary response 88 (MYD88), nuclear factor of kappa light polypeptide gene enhancer in B-cells 1 (NFKB1), Toll interacting protein (TOLLIP), and lactoferrin (LTF)...
2017: Journal of Animal Science and Biotechnology
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
#11
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...
April 7, 2017: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/28394926/gp73-represses-host-innate-immune-response-to-promote-virus-replication-by-facilitating-mavs-and-traf6-degradation
#12
Xuewu Zhang, Chengliang Zhu, Tianci Wang, Hui Jiang, Yahui Ren, Qi Zhang, Kailang Wu, Fang Liu, Yingle Liu, Jianguo Wu
Hepatitis C virus (HCV) infection is a leading cause of chronic liver diseases and hepatocellular carcinoma (HCC) and Golgi protein 73 (GP73) is a serum biomarker for liver diseases and HCC. However, the mechanism underlying GP73 regulates HCV infection is largely unknown. Here, we revealed that GP73 acts as a novel negative regulator of host innate immunity to facilitate HCV infection. GP73 expression is activated and correlated with interferon-beta (IFN-β) production during HCV infection in patients' serum, primary human hepatocytes (PHHs) and human hepatoma cells through mitochondrial antiviral signaling protein (MAVS), TNF receptor-associated factor 6 (TRAF6) and mitogen-activated protein kinase kinase/extracellular regulated protein kinase (MEK/ERK) pathway...
April 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28391741/unexpected-exacerbations-following-initiation-of-disease-modifying-drugs-in-neuromyelitis-optica-spectrum-disorder-which-factor-is-responsible-anti-aquaporin-4-antibodies-b-cells-th1-cells-th2-cells-th17-cells-or-others
#13
Jun-Ichi Kira
Some disease-modifying drugs for multiple sclerosis, which mainly act on T cells, are ineffective for neuromyelitis optica spectrum disorder and induce unexpected relapses. These include interferon beta, glatiramer acetate, fingolimod, natalizumab, and alemtuzumab. The cases reported here suggest that dimethyl fumarate, which reduces the number of Th1 and Th17 cells and induces IL-4-producing Th2 cells, is also unsuitable for neuromyelitis optica spectrum disorder, irrespective of anti-aquaporin 4 IgG serostatus...
April 1, 2017: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/28387596/in-vitro-and-in-vivo-preclinical-effects-of-type-i-ifns-on-gliomas
#14
Vasiliki Galani, Stamatis S Papadatos, George Alexiou, Angeliki Galani, Athanasios P Kyritsis
The interferons (IFNs) are a family of cytokines with diverse cellular actions such as control of cell proliferation and regulation of immune responses; therefore, they have been extensively studied as antitumor agents for a variety of malignancies, including gliomas. Type I IFNs exert their antitumor effects either directly, by targeting the tumor cells or the tumor stem cells, or indirectly, by regulating the anticancer activities of the immune system. More specifically, IFN-beta and IFN-alpha exhibit antiproliferative effects by p53 induction, CD8(+) T-lymphocyte and macrophage activation, chemokine secretion, and miR-21 downregulation...
April 2017: Journal of Interferon & Cytokine Research
https://www.readbyqxmd.com/read/28387383/daclizumab-and-its-use-in-multiple-sclerosis-treatment
#15
R Milo, M Osherov
Daclizumab is a humanized monoclonal antibody that binds to the a-subunit (CD25) of the interleukin-2 receptor (IL-2R), thus blocking the formation of the high-affinity IL-2R which is expressed mainly on activated and regulatory T cells. IL-2R modulation by daclizumab results primarily in the expansion of regulatory CD56(bright) natural killer cells that are capable of killing activated T cells, rather than direct suppression of activated T cells. The pharmacokinetic profile of its currently available form, daclizumab high-yield process (DAC-HYP, Zinbryta), suggests high subcutaneous bioavailability, linear pharmacokinetics and an effective half-life suitable for monthly administration...
January 2017: Drugs of Today
https://www.readbyqxmd.com/read/28378116/-genetic-methods-for-analysis-of-autoinflammatory-diseases
#16
REVIEW
M Bienias, N König, C Wolf, S Kretschmer, A Rösen-Wolff, R Berner, V Tüngler, M A Lee-Kirsch
Over the past years the phenotypic and genetic spectrum of autoinflammatory diseases has continuously increased. Moreover, several monogenic autoinflammatory disorders have now been identified where febrile episodes are not among the leading symptoms and which can be accompanied by autoimmune phenomena and susceptibility to infections. Autoinflammatory conditions that are characterized by uncontrolled activity of cytokines, such as interleukin-1 beta (IL1β), tumor necrosis factor alpha (TNF-α) and type 1 interferons (1-IFN), are amenable to specific therapeutic interventions...
April 4, 2017: Zeitschrift Für Rheumatologie
https://www.readbyqxmd.com/read/28377530/topoisomerase-ii-inhibitors-induce-dna-damage-dependent-interferon-responses-circumventing-ebola-virus-immune-evasion
#17
Priya Luthra, Sebastian Aguirre, Benjamin C Yen, Colette A Pietzsch, Maria T Sanchez-Aparicio, Bersabeh Tigabu, Lorraine K Morlock, Adolfo García-Sastre, Daisy W Leung, Noelle S Williams, Ana Fernandez-Sesma, Alexander Bukreyev, Christopher F Basler
Ebola virus (EBOV) protein VP35 inhibits production of interferon alpha/beta (IFN) by blocking RIG-I-like receptor signaling pathways, thereby promoting virus replication and pathogenesis. A high-throughput screening assay, developed to identify compounds that either inhibit or bypass VP35 IFN-antagonist function, identified five DNA intercalators as reproducible hits from a library of bioactive compounds. Four, including doxorubicin and daunorubicin, are anthracycline antibiotics that inhibit topoisomerase II and are used clinically as chemotherapeutic drugs...
April 4, 2017: MBio
https://www.readbyqxmd.com/read/28374837/effect-of-vitamin-d-replacement-on-cognition-in-multiple-sclerosis-patients
#18
Hala Darwish, Ribal Haddad, Sahar Osman, Stephanie Ghassan, Bassem Yamout, Hani Tamim, Samia Khoury
Multiple Sclerosis is associated with deficient serum 25 hydroxyvitamin D (25 (OH)D) level and cognitive impairment. The aim of this study is to evaluate cognitive performance in MS patients with deficient 25 (OH)D (<25 ng/ml) compared to patients with sufficient levels (>35 ng/ml), then to evaluate the change in cognitive performance after 3 months of vitamin D3 oral replacement. Eighty-eight MS patients with relapsing remitting and clinically isolated type of MS, older than 18 years treated with interferon beta were enrolled...
April 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28373196/development-of-a-novel-site-specific-pegylated-interferon-beta-for-antiviral-therapy-for-chronic-hepatitis-b
#19
Masataka Tsuge, Takuro Uchida, Nobuhiko Hiraga, Hiromi Kan, Grace Naswa Makokha, Hiromi Abe-Chayama, Daiki Miki, Michio Imamura, Hidenori Ochi, C Nelson Hayes, Rieko Shimozono, Tomokatsu Iwamura, Hideki Narumi, Tomohiko Suzuki, Mie Kainoh, Tadatsugu Taniguchi, Kazuaki Chayama
Although nucleot(s)ide analogues and pegylated-interferon-α2a (PEG-IFNα2a) can suppress hepatitis B virus (HBV) replication, it is difficult to achieve complete HBV elimination from hepatocytes. A novel site-specific pegylated recombinant human IFNβ (TRK-560) was recently developed. In the present study, we evaluated the antiviral effects of TRK-560 on HBV replication in vitro and in vivoIn vitro and in vivo HBV replication models were treated with antivirals including TRK-560, and changes in HBV markers were evaluated...
April 3, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28372806/multiple-immune-disorders-after-natalizumab-discontinuation-after-the-ciris-the-siris
#20
E K Van Obberghen, M Cohen, F Rocher, C Lebrun-Frenay
Natalizumab (NTZ) is an effective treatment for patients with highly active relapsing remitting multiple sclerosis (MS). However, when the therapy must be interrupted, it is important to anticipate the withdrawal to avoid reactivation or disease rebound. Described here is the case of a 35-year-old woman, with a past history of beta thalassemia, bulimia and asthma, who was diagnosed with MS at age 26. She was treated initially with first-line subcutaneous (sc) immunomodulatory treatments. However, due to liver toxicity, interferon beta-1a sc was interrupted and replaced by glatiramer acetate treatment, which was well tolerated and used for several years...
March 31, 2017: Revue Neurologique
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