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Anti Th/To antibodies

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https://www.readbyqxmd.com/read/28435909/self-assembled-particulate-psaa-as-vaccine-against-streptococcus-pneumoniae-infection
#1
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
#2
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
#3
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
#4
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
#5
K Bekő, B Koványi, F Gölöncsér, G Horváth, Á Dénes, Zs Környei, B Botz, Zs Helyes, C E Müller, B Sperlágh
BACKGROUND: P2Y12 receptor antagonists are widely used in clinical practice to inhibit platelet aggregation. P2Y12 receptors are also known to regulate different forms of pain as well as local and systemic inflammation. However it is not known if platelet P2Y12 receptors contribute to these effects. OBJECTIVES: In this study, we explored the contribution of platelet P2Y12 receptors to chronic inflammatory pain in mice. METHODS: Complete Freund's adjuvant (CFA)-induced chronic inflammatory pain was induced in wild-type and P2ry12 gene-deficient mice (P2ry12-/-), and the potent, direct-acting and reversible P2Y12 receptor antagonists, PSB-0739, and cangrelor were used...
March 27, 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
#6
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
#7
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
#8
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
#9
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
https://www.readbyqxmd.com/read/28220476/response-of-trabecular-bone-thyroid-c-and-follicular-cells-to-synthetic-salmon-calcitonin-in-middle-aged-orchidectomized-male-rats
#10
Branko Filipović, Branka Šošić-Jurjević, Vladimir Ajdžanović, Jasmina Živanović, Nataša Ristić, Svetlana Trifunović, Verica Milošević
In contrast to studies in women, male osteoporosis is poorly understood and strictly related to advancing age. Among the first antiresorptive substances used in the prevention and treatment of osteoporosis is calcitonin (CT), a hypocalcemic hormone that potently inhibits osteoclastic bone resorption. Natural CT is produced and secreted by thyroid C-cells. The other endocrine population of thyroid cells produces thyroid hormones (TH), which also affect bone turnover. The aim of this study was to evaluate the influence of salmon CT on trabecular bone microarchitecture with special reference to effects on the structure and function of both CT- and TH-producing thyroid cells in orchidectomized (Orx) middle-aged rats...
February 20, 2017: Journal of Anatomy
https://www.readbyqxmd.com/read/28219324/non-anti-coagulant-factors-associated-with-filter-life-in-continuous-renal-replacement-therapy-crrt-a-systematic-review-and-meta-analysis
#11
Matthew Brain, Elizabeth Winson, Owen Roodenburg, John McNeil
BACKGROUND: Optimising filter life and performance efficiency in continuous renal replacement therapy has been a focus of considerable recent research. Larger high quality studies have predominantly focussed on optimal anticoagulation however CRRT is complex and filter life is also affected by vascular access, circuit and management factors. We performed a systematic search of the literature to identify and quantify the effect of vascular access, circuit and patient factors that affect filter life and presented the results as a meta-analysis...
February 20, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28208873/high-dose-intravenous-anti-d-immune-globulin-is-more-effective-and-safe-in-indian-paediatric-patients-of-immune-thrombocytopenic-purpura
#12
Trupti Rekha Swain, Rabindra Kumar Jena, Kali Prasanna Swain
INTRODUCTION: Immune Thrombocytopenia (ITP) is characterised by an autoimmune antibody-mediated destruction of platelets and impaired platelet production. Few controlled trials exist to guide management of patients with ITP in Indian scenario for which patients require an individualized approach. Anti-D (Rho (D) immune globulin) at a higher dose can prove to be a cost effective and safe alternative for Indian patients with ITP. AIM: To compare the safety and efficacy of higher dose (75μg/kg) intravenous Anti-D immune globulin against the standard dose of 50μg/kg for the management of ITP in Indian patients...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28187441/neutralization-of-interleukin-9-ameliorates-symptoms-of-allergic-rhinitis-by-reducing-th2-th9-and-th17-responses-and-increasing-the-treg-response-in-a-murine-model
#13
Zhao Wei Gu, Yun Xiu Wang, Zhi Wei Cao
A novel independent Th-cell subset, characterized by high expression of interleukin (IL)-9, has been recognized as the "Th9" subset. Although Th9 cells are important in many diseases, their contribution to allergic rhinitis (AR) remains unclear. We therefore first determined whether Th9 cells were present in a mouse model of AR. We then investigated the their involvement in the distribution of CD4+ T-cell subsets and the symptoms of AR by treating mice with anti-IL-9 antibodies (Abs). Anti-IL-9 Abs were administered intranasally during rechallenge of ovalbumin (OVA)-induced AR in BALB/c mice...
February 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28149012/filarial-abundant-larval-transcript-protein-alt-2-an-immunomodulatory-therapeutic-agent-for-type-1-diabetes
#14
Sridhar M Reddy, Pooja M Reddy, Nitin Amdare, Vishal Khatri, Aaditya Tarnekar, Kalyan Goswami, Maryada Venkata Rami Reddy
Type 1 diabetes (T1D) that accounts for about 5-10 % of all diabetes cases results from the autoimmune destruction of the insulin-producing beta cells in the pancreas. It is characterized by severe inflammatory reaction mediated by pronounced T helper type-1 response. Parasitic infections having the ability to skew the host immune responses towards type-2 type as a part of their defense mechanism are able to induce protection against autoimmune diseases like T1D. Hence, the present study is undertaken to explore a recombinant abundant larval transcript protein of the human lymphatic filarial parasite Brugia malayi (rBmALT-2), a known anti-inflammatory molecule for its therapeutic effect on streptozotocin (STZ)-induced T1D in mice...
March 2017: Indian Journal of Clinical Biochemistry: IJCB
https://www.readbyqxmd.com/read/28148299/propagation-of-pathological-%C3%AE-synuclein-in-marmoset-brain
#15
Aki Shimozawa, Maiko Ono, Daisuke Takahara, Airi Tarutani, Sei Imura, Masami Masuda-Suzukake, Makoto Higuchi, Kazuhiko Yanai, Shin-Ichi Hisanaga, Masato Hasegawa
α-Synuclein is a defining, key component of Lewy bodies and Lewy neurites in Parkinson's disease (PD) and dementia with Lewy bodies (DLB), as well as glial cytoplasmic inclusions in multiple system atrophy (MSA). The distribution and spreading of these pathologies are closely correlated with disease progression. Recent studies have revealed that intracerebral injection of synthetic α-synuclein fibrils or pathological α-synuclein prepared from DLB or MSA brains into wild-type or transgenic animal brains induced prion-like propagation of phosphorylated α-synuclein pathology...
February 2, 2017: Acta Neuropathologica Communications
https://www.readbyqxmd.com/read/28129111/comparison-of-efficacy-of-preventive-and-therapeutic-vaccines-targeting-the-n-terminus-of-%C3%AE-amyloid-in-an-animal-model-of-alzheimer-s-disease
#16
Irina Petrushina, Hayk Davtyan, Armine Hovakimyan, Arpine Davtyan, Giselle F Passos, David H Cribbs, Anahit Ghochikyan, Michael G Agadjanyan
Previously, we reported that Alzheimer's disease (AD) epitope vaccines (EVs) composed of N-terminal β-amyloid (Aβ42) B cell epitope fused with universal foreign T helper (Th) epitope(s) were immunogenic, potent, and safe in different amyloid precursor protein (APP) transgenic mice with early AD-like pathology. However, developing an effective therapeutic vaccine is much more challenging, especially when a self-antigen such as Aβ42 is a target. Here, we directly compare the efficacy of anti-Aβ42 antibodies in Tg2576 mice with low or high levels of AD-like pathology at the start of immunizations: 6-6...
January 4, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28062921/targeted-deletion-of-traf2-allows-immunosuppression-free-islet-allograft-survival-in-mice
#17
Jeanette E Villanueva, Stacey N Walters, Mitsuru Saito, Elisabeth K Malle, Nathan W Zammit, Katherine A Watson, Robert Brink, Nicole L La Gruta, Stephen I Alexander, Shane T Grey
AIMS/HYPOTHESIS: Administration of anti-CD40 ligand (CD40L) antibodies has been reported to allow long-term islet allograft survival in non-human primates without the need for exogenous immunosuppression. However, the use of anti-CD40L antibodies was associated with thromboembolic complications. Targeting downstream intracellular components shared between CD40 and other TNF family co-stimulatory molecules could bypass these complications. TNF receptor associated factor 2 (TRAF2) integrates multiple TNF receptor family signalling pathways that are critical for T cell activation and may be a central node of alloimmune responses...
January 6, 2017: Diabetologia
https://www.readbyqxmd.com/read/28045974/neonatal-immunization-with-a-single-il-4-antigen-dose-induces-increased-antibody-responses-after-challenge-infection-with-equine-herpesvirus-type-1-ehv-1-at-weanling-age
#18
Bettina Wagner, Gillian Perkins, Susanna Babasyan, Heather Freer, Alison Keggan, Laura B Goodman, Amy Glaser, Sigurbjorg Torsteinsdóttir, Vilhjálmur Svansson, Sigríður Björnsdóttir
Neonatal foals respond poorly to conventional vaccines. These vaccines typically target T-helper (Th) cell dependent B-cell activation. However, Th2-cell immunity is impaired in foals during the first three months of life. In contrast, neonatal basophils are potent interleukin-4 (IL-4) producers. The purpose of this study was to develop a novel vaccine triggering the natural capacity of neonatal basophils to secrete IL-4 and to evaluate if vaccination resulted in B-cell activation and antibody production against EHV-1 glycoprotein C (gC)...
2017: PloS One
https://www.readbyqxmd.com/read/28040536/th9-cells-and-il-9-in-autoimmune-disorders-pathogenesis-and-therapeutic-potentials
#19
REVIEW
Yaxiong Deng, Zijun Wang, Christopher Chang, Liwei Lu, Chak Sing Lau, Qianjin Lu
Naïve CD4(+) T cells are pleiotropically divided into various T helper (Th) cell subsets, according to their pivotal roles in the regulation of immune responses. The differentiation of Th9 cells, an interleukin (IL)-9 producing subset, can be impacted by specific environmental cues, co-stimulation with transforming growth factor β (TGF-β) and IL-4, and other regulatory factors. Although IL-9 has been recognized as a classical Th2-related cytokine, recent studies have indicated that IL-9-producing cells contribute to a group of autoimmune disorders including systemic lupus erythematosus (SLE), multiple sclerosis (MS), inflammatory bowel diseases (IBD), rheumatoid arthritis (RA) and psoriasis...
February 2017: Human Immunology
https://www.readbyqxmd.com/read/28035483/chlamydia-pneumoniae-induces-interleukin-12-responses-in-peripheral-blood-mononuclear-cells-in-asthma-and-the-role-of-toll-like-receptor-2-versus-4-a-pilot-study
#20
T A Smith-Norowitz, J Perlman, Y M Norowitz, R Joks, H G Durkin, M R Hammerschlag, S Kohlhoff
BACKGROUND: Chlamydia pneumoniae causes respiratory infection in adults and children, and has been associated with asthma exacerbations and induction of Immunoglobulin (Ig) E responses. We previously reported that C. pneumoniae enhances T helper (Th) 2 responses of peripheral blood mononuclear cells (PBMC) from asthmatic patients. It is likely that toll like receptor (TLR)-2 and TLR-4 mediate cytokine responses and host defense against C. pneumoniae. Thus, we sought to determine whether engagement of TLR-2 or TLR-4 may induce IL-12 production in our C...
December 29, 2016: Irish Journal of Medical Science
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