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Anti Th/To antibodies

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https://www.readbyqxmd.com/read/28622860/immunogenicity-of-t7-bacteriophage-nanoparticles-displaying-g-h-loop-of-foot-and-mouth-disease-virus-fmdv
#1
Hai Xu, Xi Bao, Yu Lu, Yamei Liu, Bihua Deng, Yiwei Wang, Yue Xu, Jibo Hou
Foot-and-mouth disease (FMD) is a highly contagious disease of cloven-hoofed animals that causes severe economic losses worldwide. The G-H loop of the FMDV VP1 structural protein is the major neutralizing antigenic site. However, a fully protective G-H loop peptide vaccine requires the addition of promiscuous Th sites from a source outside VP1. Thus, we demonstrated the potential of T7 bacteriophage based nanoparticles displaying a genetically fused G-H loop peptide (T7-GH) as a FMDV vaccine candidate. Recombinant T7-GH phage was constructed by inserting the G-H loop coding region into the T7 Select 415-1b vector...
June 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28616446/treatment-with-anti-fc%C3%AE%C2%B5ri%C3%AE-antibody-exacerbates-eae-and-t-cell-immunity-against-myelin
#2
Silvia Musio, Massimo Costanza, Pietro Luigi Poliani, Elena Fontana, Manuela Cominelli, Gabriella Abolafio, Lawrence Steinman, Rosetta Pedotti
OBJECTIVE: To investigate the effects of targeting the high-affinity receptor for immunoglobulin E (FcεRI), that plays a central role in allergic responses and is constitutively expressed on mast cells and basophils, in clinical disease and autoimmune T-cell response in experimental MS. METHODS: Experimental autoimmune encephalomyelitis (EAE) was induced in C57BL/6 mice by immunization with myelin oligodendrocyte glycoprotein 35-55. Anti-FcεRI α-chain antibody was administered intraperitoneally...
May 2017: Neurology® Neuroimmunology & Neuroinflammation
https://www.readbyqxmd.com/read/28593439/clinical-and-histopathological-amelioration-of-experimental-autoimmune-encephalomyelitis-by-aav-vectors-expressing-a-soluble-interleukin-23-receptor
#3
Marta Miralles, Herena Eixarch, Marcos Tejero, Carme Costa, Keiji Hirota, A Raul Castaño, Meritxell Puig, Gitta Stockinger, Xavier Montalban, Assumpció Bosch, Carmen Espejo, Miguel Chillon
The role of the T helper (Th)17 pathway has been clearly demonstrated in the onset and progression of autoimmune diseases, where interleukin (IL)-23 is a key molecule in maintaining the response mediated by Th17 cells. As a consequence, recent strategies based on blocking the interaction between IL-23 and its receptor (IL-23R), for example the anti-p19 antibody tildrakizumab, have been developed to regulate the Th17 pathway from the initial stages of the disease. Here, a soluble (s)IL-23R cDNA was cloned in expression plasmids and viral vectors...
June 7, 2017: Neurotherapeutics: the Journal of the American Society for Experimental NeuroTherapeutics
https://www.readbyqxmd.com/read/28592426/a-nonadjuvanted-igg2a-monoclonal-antibody-against-nucleosomes-elicits-potent-t-cell-dependent-idiotype-specific-igg1-responses-and-glomerular-igg1-igg2a-deposits-in-normal-mice
#4
Kristian Hannestad, Helge Scott
Idiotypes (Ids) are unique epitopes of Ab V regions and can trigger anti-Id immune responses, but immunization with several nonadjuvanted isologous IgG mAbs has induced tolerance to their Ids. We immunized non-lupus-prone mice with 11 allotype "a" of IgG2a (IgG2a(a)) and 4 IgG2c nonadjuvanted, isologous mAbs purified from serum-free medium. Of five IgG2a(a) mAbs with specificity for nucleosomes, the repeating histone-DNA subunit of chromatin, four elicited an IgG1 anti-mAb response and one mAb was nonimmunogenic...
June 7, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28588755/role-of-pro-and-anti-inflammatory-phenomena-in-the-physiopathology-of-type-2-diabetes-and-obesity
#5
REVIEW
Luciano Pirola, José Candido Ferraz
In obesity, persistent low-grade inflammation is considered as a major contributor towards the progression to insulin resistance and type 2 diabetes while in lean subjects the immune environment is non-inflammatory. Massive adipose tissue (AT) infiltration by pro-inflammatory M1 macrophages and several T cell subsets as obesity develops leads to the accumulation - both in the AT and systemically - of numerous pro-inflammatory cytokines, including interleukin-1β (IL-1β), tumor necrosis factor α, IL-17 and IL-6 which are strongly associated with the progression of the obese phenotype towards the metabolic syndrome...
May 26, 2017: World Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28584279/serum-hepatitis-b-core-antibody-as-a-biomarker-of-hepatic-inflammation-in-chronic-hepatitis-b-patients-with-normal-alanine-aminotransferase
#6
Jiyuan Zhou, Liuwei Song, Hong Zhao, Linlin Yan, Anlin Ma, Shibin Xie, Xuqing Zhang, Dazhi Zhang, Qing Xie, Guo Zhang, Jia Shang, Jun Cheng, Weifeng Zhao, Zhiqiang Zou, Mingxiang Zhang, Ningshao Xia, Guiqiang Wang
Our previous studies unexpectedly indicated that the level of serum hepatitis B core antibody (anti-HBc) was positively correlated with the serum alanine aminotransferase (ALT) level. The aim of this study was to determine whether anti-HBc could serve as a potential biomarker for the detection of liver inflammation in chronic hepatitis B (CHB) patients, especially in patients with normal ALT levels. Serum anti-HBc levels were quantified in 655 treatment-naïve CHB patients, including 45 patients who underwent two liver biopsies (baseline phase and the 78(th) weeks of antiviral-treatment)...
June 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28542275/combination-of-the-immunization-with-the-sequence-close-to-the-consensus-sequence-and-two-dna-prime-plus-one-vlp-boost-generate-h5-hemagglutinin-specific-broad-neutralizing-antibodies
#7
Guiqin Wang, Renfu Yin, Paul Zhou, Zhuang Ding
Hemagglutinin (HA) head has long been considered to be able to elicit only a narrow, strain-specific antibody response as it undergoes rapid antigenic drift. However, we previously showed that a heterologous prime-boost strategy, in which mice were primed twice with DNA encoding HA and boosted once with virus-like particles (VLP) from an H5N1 strain A/Thailand/1(KAN)-1/2004 (noted as TH DDV), induced anti-head broad cross-H5 neutralizing antibody response. To explain why TH DDV immunization could generate such breadth, we systemically compared the neutralization breadth and potency between TH DDV sera and immune sera elicited by TH DDD (three times of DNA immunizations), TH VVV (three times of VLP immunizations), TH DV (one DNA prime plus one VLP boost) and TK DDV (plasmid DNA and VLP derived from another H5N1 strain, A/Turkey/65596/2006)...
2017: PloS One
https://www.readbyqxmd.com/read/28537884/a-cancer-vaccine-based-on-fluorine-modified-sialyl-tn-induces-robust-immune-responses-in-a-murine-model
#8
Chengcheng Song, Xiu-Jing Zheng, Chang-Cheng Liu, Yifa Zhou, Xin-Shan Ye
Development of an effective vaccine to target tumor associated carbohydrate antigens, aberrantly expressed on the cell surface of various carcinomas, is an appealing approach toward cancer immunotherapy. However, a major problem of carbohydrate antigens is their poor immunogenicity. Immunization with modified-carbohydrate antigens could improve the immunogenicity and induce cross reaction with the native carbohydrate antigens. In this study, we investigated the antitumor ability of three fluoro-substituted sialyl-Tn (STn) analogues (2, 3, 4) coupled to KLH (keyhole limpet hemocyanin) and studied the mechanism of tumor immunotherapy of the vaccines in a murine model of colon cancer...
May 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28512676/different-fermentation-processes-produced-variants-of-an-anti-cd52-monoclonal-antibody-that-have-divergent-in-vitro-and-in-vivo-characteristics
#9
Chao Zhuang, Chen Zheng, Yantian Chen, Zheng Huang, Yanchao Wang, Qiang Fu, Chen Zeng, Tong Wu, Liming Yang, Nianmin Qi
The anti-CD52 antibody has already been approved for the treatment of patients with resistant chronic lymphocytic leukemia, relapsing-remitting multiple sclerosis, and has demonstrable efficacy against stem cell transplantation rejection. A CHO cell line expressing a humanized anti-CD52 monoclonal antibody (mAb-TH) was cultivated in both fed-batch and perfusion modes, and then purified. The critical quality attributes of these mAb variants were characterized and the pharmacokinetics (PK) properties were investigated...
May 16, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28477188/polarizing-cytokines-for-human-th9-cell-differentiation
#10
Prabhakar Putheti
CD4+ T helper (Th) cell subset generation in vivo requires T cell receptor activation and surface CD28 co-stimulation in the presence of one or more cytokines. Similarly, Th cells can be generated in vitro by activating naïve CD4+CD25- T cells with plate bound-anti-CD3 monoclonal antibody (mAb) (pbCD3) and soluble-anti-CD28 mAb (sCD28) in the presence of polarizing recombinant (r) cytokines and anti-cytokine mAbs. In comparison to in vitro CD4+CD25- T cells, memory CD4+CD25-CD45RO+ T cells have been shown to convert to Th9 cells more efficiently...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28473895/pathogenicity-study-of-iranian-genotype-of-avian-infectious-bronchitis-virus-ir-1
#11
Hamideh Najafi, Arash Ghalyanchi Langeroudi, Masoud Hashemzadeh, Vahid Karimi, Omid Madadgar, Reza Khaltabadi Farahani, Seyed Ali Ghafouri, Hossein Maghsoudloo, Parvaneh Seifouri, Ali Madhi
Avian infectious bronchitis (IB) is a major cause of economic losses in poultry industry. The IB virus primarily affects respiratory tract, but various strains differ in their tropism for other target organs such as kidney and alimentary tract. The objective of this study was to estimate the pathogenicity of Iranian IBV variant (IR-1), which is limited exclusively to Iran. Specific pathogen free chicks were inoculated intranasally. Sera, fecal swabs and different tissue samples were collected on different days post infection (DPI)...
2017: Veterinary Research Forum
https://www.readbyqxmd.com/read/28435909/self-assembled-particulate-psaa-as-vaccine-against-streptococcus-pneumoniae-infection
#12
Majela González-Miro, Laura Rodríguez-Noda, Mildrey Fariñas-Medina, Dagmar García-Rivera, Vicente Vérez-Bencomo, Bernd H A Rehm
Streptococcus pneumoniae is a human pathogen responsible for the majority of childhood pneumonia and media otitis cases worldwide. The diversity of its capsular polysaccharides (CPS) results in more than 91 serotypes of which at least 23 are virulent. Various CPS conjugated to immunogenic carrier proteins are currently licensed and provide protection against the infection caused by the respective serotypes but not against new and emerging virulent serotypes. In this study, we considered the conserved protein antigen PsaA, the pneumococcal surface adhesin A, in order to overcome the limitations of CPS antigens...
April 2017: Heliyon
https://www.readbyqxmd.com/read/28401305/evaluation-of-specific-neural-marker-gap-43-and-th-combined-with-masson-trichrome-staining-for-forensic-autopsy-cases-with-old-myocardial-infarction
#13
Tian-Shui Yu, Xu Wang, Hai-Dong Zhang, Ru-Feng Bai, Rui Zhao, Da-Wei Guan
It has been a puzzling forensic task to determine the cause of death as a result of old myocardial infarction (OMI) in the absence of recognizable acute myocardial infarction. Recent studies indicated that the heterogeneous cardiac nerve sprouting and sympathetic hyperinnervation at border zones of the infarcted site played important roles in sudden cardiac death (SCD). So, the present study explored the value of growth associated protein-43 (GAP-43) and tyrosine hydroxylase (TH) as objective and specific neural biomarkers combined with Masson-trichrome staining for forensic autopsy cases...
April 11, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28393368/increased-levels-of-the-t-helper-22-associated-cytokine-interleukin-22-and-transcription-factor-aryl-hydrocarbon-receptor-in-patients-with-periodontitis-are-associated-with-osteoclast-resorptive-activity-and-severity-of-the-disease
#14
J Díaz-Zúñiga, S Melgar-Rodríguez, L Rojas, C Alvarez, G Monasterio, P Carvajal, R Vernal
BACKGROUND AND OBJECTIVE: Two new T-helper (Th) phenotypes have been recently described and named Th9 and Th22 lymphocytes; however, their role in the pathogenesis of periodontitis remains unclear. This study was aimed to assess whether Th9 and Th22 lymphocytes, through interleukin (IL)-9 and IL-22 production, respectively, are associated with the severity of periodontitis and bone resorption. MATERIAL AND METHODS: Gingival crevicular fluid samples and biopsies were obtained from patients with moderate-to-advanced chronic periodontitis and gingivitis, and healthy controls...
April 10, 2017: Journal of Periodontal Research
https://www.readbyqxmd.com/read/28376739/seroprevalence-of-bordetella-pertussis-antibodies-in-adults-in-hungary-results-of-an-epidemiological-cross-sectional-study
#15
Péter Torzsa, Raghavendra Devadiga, Monica Tafalla
BACKGROUND: Pertussis (whooping cough) is well known to be underreported, particularly among adults, who can act as an infectious reservoir, potentially putting susceptible newborns at risk of serious illness. The purpose of this study was to estimate the seroprevalence of pertussis in adults in Hungary. METHODS: This epidemiological, cross-sectional study was conducted in adults in five general practitioners' practices in Hungary. Serum anti-pertussis toxin immunoglobulin G (anti-PT IgG) antibody levels were analyzed using enzyme-linked immunosorbent assay...
April 4, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28345287/contribution-of-platelet-p2y12-receptors-to-chronic-complete-freund-s-adjuvant-induced-inflammatory-pain
#16
K Bekő, B Koványi, F Gölöncsér, G Horváth, Á Dénes, Z Környei, B Botz, Z Helyes, C E Müller, B Sperlágh
Essentials The role of platelet P2Y12 receptors in the regulation of chronic inflammatory pain is unknown. Complete Freund's Adjuvant (CFA)-induced chronic inflammatory pain model was used in mice. Gene deficiency and antagonists of P2Y12 receptors attenuate hyperalgesia and local inflammation. Platelet P2Y12 receptors contribute to these effects in the chronic phase of inflammation. SUMMARY: Background P2Y12 receptor antagonists are widely used in clinical practice to inhibit platelet aggregation...
June 2017: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/28320590/multitep-platform-based-dna-epitope-vaccine-targeting-n-terminus-of-tau-induces-strong-immune-responses-and-reduces-tau-pathology-in-thy-tau22-mice
#17
Hayk Davtyan, Wesley W Chen, Karen Zagorski, Joy Davis, Irina Petrushina, Konstantin Kazarian, David H Cribbs, Michael G Agadjanyan, Mathew Blurton-Jones, Anahit Ghochikyan
BACKGROUND: By the time clinical symptoms of Alzheimer's disease (AD) manifest in patients there is already substantial tau pathology in the brain. Recent evidence also suggests that tau pathology can become self-propagating, further accelerating disease progression. Over the last decade several groups have tested the efficacy of protein-based anti-tau immunotherapeutics in various animal models of tauopathy. Here we report on the immunological and therapeutic potency of the first anti-tau DNA vaccine based on the MultiTEP platform, AV-1980D, in THY-Tau22 transgenic mice...
April 11, 2017: Vaccine
https://www.readbyqxmd.com/read/28299528/dietary-conjugated-linoleic-acid-c9t11-prevents-collagen-induced-arthritis-whereas-conjugated-linoleic-acid-t10c12-increases-arthritic-severity
#18
Jessica A Muhlenbeck, Daniel E Butz, Jake M Olson, Daniela Uribe-Cano, Mark E Cook
Two conjugated linoleic acid (CLA) isomers, cis-9, trans-11 (CLAc9t11) and trans-10, cis-12 (CLAt10c12), reduce inflammation in a number of animal models, including collagen-induced arthritis (CA). However, little is known about the ability of individual CLA isomers to prevent autoimmune disease onset. Evidence that mixed isomer CLA drives T helper cell (Th) 1 responses suggests that CLA, or a specific isomer, exacerbates onset of Th1 autoimmune diseases. In two experiments, we examined if prior dietary exposure to CLAt10c12 (experiment 1) or CLAc9t11 (experiment 2) affected the incidence or severity of CA...
March 15, 2017: Lipids
https://www.readbyqxmd.com/read/28240591/increased-immunoreactivity-against-human-cytomegalovirus-ul83-in-systemic-sclerosis
#19
Emmanouela Marou, Christos Liaskos, Georgios Efthymiou, Efthymios Dardiotis, Alexandros Daponte, Thomas Scheper, Wolfgang Meyer, Georgios Hadjigeorgiou, Dimitrios P Bogdanos, Lazaros I Sakkas
OBJECTIVES: To study immunoreactivity against human cytomegalovirus (HCMV) in systemic sclerosis (SSc), since HCMV has been put forward as a candidate infectious cause. METHODS: Eighty four patients with SSc (67 females; median age 60 years, range 25-81), 30 patients with multiple sclerosis (MS) (23 females; median age 44, range 20-69 years) and 28 healthy controls (NCs), all pre-tested positive for IgG anti-HCMV antibodies, were studied. IgG anti-UL83 HCMV antibodies were tested by western immunoblotting and expressed in arbitrary units (AUs)...
February 27, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28222023/factors-associated-with-increased-irisin-levels-in-the-type-1-diabetes-mellitus
#20
I Ates, M F Arikan, K Erdogan, M Kaplan, M Yuksel, C Topcuoglu, N Yilmaz, S Guler
OBJECTIVE: The aim of the present study was to determine the irisin levels in patients with the type 1 diabetes mellitus (T1DM) and to examine the relation of irisin levels with the inflammation and autoimmunity. METHODS: This study included 35 cases diagnosed with T1DM and 36 healthy volunteers. Antiglutamic acid decarboxylase (anti-GAD), islet cell antibody (ICA), and insulin autoantibody levels were measured in patients at the time when they were included into the study and recorded from the patient files...
January 1, 2017: Endocrine Regulations
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