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https://www.readbyqxmd.com/read/27920272/mcpip1-regnase-1-restricts-il-17a-and-il-17c-dependent-skin-inflammation
#1
Leticia Monin, Johann E Gudjonsson, Erin E Childs, Nilesh Amatya, Xianying Xing, Akash H Verma, Bianca M Coleman, Abhishek V Garg, Meaghan Killeen, Alicia Mathers, Nicole L Ward, Sarah L Gaffen
The IL-17 family cytokines IL-17A and IL-17C drive the pathogenesis of psoriatic skin inflammation, and anti-IL-17A Abs were recently approved to treat human psoriasis. Little is known about mechanisms that restrain IL-17 cytokine-mediated signaling, particularly IL-17C. In this article, we show that the endoribonuclease MCP-1-induced protein 1 (MCPIP1; also known as regnase-1) is markedly upregulated in human psoriatic skin lesions. Similarly, MCPIP1 was overexpressed in the imiquimod (IMQ)-driven mouse model of cutaneous inflammation...
December 5, 2016: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/27919754/neutralization-takes-precedence-over-igg-or-iga-isotype-related-functions-in-mucosal-hiv-1-antibody-mediated-protection
#2
Rena D Astronomo, Sampa Santra, Lamar Ballweber-Fleming, Katharine G Westerberg, Linh Mach, Tiffany Hensley-McBain, Laura Sutherland, Benjamin Mildenberg, Georgeanna Morton, Nicole L Yates, Gregory J Mize, Justin Pollara, Florian Hladik, Christina Ochsenbauer, Thomas N Denny, Ranjit Warrier, Supachai Rerks-Ngarm, Punnee Pitisuttithum, Sorachai Nitayapan, Jaranit Kaewkungwal, Guido Ferrari, George M Shaw, Shi-Mao Xia, Hua-Xin Liao, David C Montefiori, Georgia D Tomaras, Barton F Haynes, M Juliana McElrath
HIV-1 infection occurs primarily through mucosal transmission. Application of biologically relevant mucosal models can advance understanding of the functional properties of antibodies that mediate HIV protection, thereby guiding antibody-based vaccine development. Here, we employed a human ex vivo vaginal HIV-1 infection model and a rhesus macaque in vivo intrarectal SHIV challenge model to probe the protective capacity of monoclonal broadly-neutralizing (bnAb) and non-neutralizing Abs (nnAbs) that were functionally modified by isotype switching...
November 21, 2016: EBioMedicine
https://www.readbyqxmd.com/read/27919654/american-brachytherapy-society-brachytherapy-treatment-recommendations-for-locally-advanced-cervix-cancer-for-low-income-and%C3%A2-middle-income-countries
#3
Gita Suneja, Derek Brown, Amy Chang, Beth Erickson, Elena Fidarova, Surbhi Grover, Umesh Mahantshetty, Subir Nag, Kailash Narayan, Memory Bvochora-Nsingo, Celia Viegas, Akila N Viswanathan, Ming Yin Lin, David Gaffney
PURPOSE: Most cervix cancer cases occur in low-income and middle-income countries (LMIC), and outcomes are suboptimal, even for early stage disease. Brachytherapy plays a central role in the treatment paradigm, improving both local control and overall survival. The American Brachytherapy Society (ABS) aims to provide guidelines for brachytherapy delivery in resource-limited settings. METHODS AND MATERIALS: A panel of clinicians and physicists with expertise in brachytherapy administration in LMIC was convened...
December 2, 2016: Brachytherapy
https://www.readbyqxmd.com/read/27917816/effect-of-ankaferd-blood-stopper-on-muscle-healing
#4
Murat Uygun, Osman Y Yavuz, İsmail Uraş, İbrahim G Duman, Hacer Haltaş, Mahmut Kömürcü
PURPOSE: Ankaferd Blood Stopper (ABS), which is a standardized mixture of herbal extracts obtained from five plants, has been proven as an efficient hemostatic agent and is still used in emergency situations. It is not known exactly if decreased bleeding has positive or negative effects on muscle healing and fibrosis, so the purpose of this study was to test the effect of ABS on muscle healing and morphology. METHODS: A total of 66 outbred Wistar rats were divided into three control and three experimental subgroups...
December 1, 2016: Clinical and Investigative Medicine. Médecine Clinique et Experimentale
https://www.readbyqxmd.com/read/27917375/recombinant-lipoprotein-rv1016c-derived-from-mycobacterium-tuberculosis-is-a-tlr-2-ligand-that-induces-macrophages-apoptosis-and-inhibits-mhc-ii-antigen-processing
#5
Haibo Su, Shenglin Zhu, Lin Zhu, Wei Huang, Honghai Wang, Zhi Zhang, Ying Xu
TLR2-dependent cellular signaling in Mycobacterium tuberculosis-infected macrophages causes apoptosis and inhibits class II major histocompatibility complex (MHC-II) molecules antigen processing, leading to evasion of surveillance. Mycobacterium tuberculosis (MTB) lipoproteins are an important class of Toll-like receptor (TLR) ligand, and identified as specific components that mediate these effects. In this study, we identified and characterized MTB lipoprotein Rv1016c (lpqT) as a cell wall associated-protein that was exposed on the cell surface and enhanced the survival of recombinants M...
2016: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/27917335/ultrastructural-analyses-of-the-novel-chimeric-hemostatic-agent-generated-via-nanotechnology-abs-nanohemostat-at-the-renal-tissue-level
#6
Emre Huri, Engin Dogantekin, Murvet Hayran, Umit Yavuz Malkan, Mine Ergun, Aysegul Firat, Yavuz Beyazit, Huseyin Ustun, Murat Kekilli, Mumtaz Dadali, Muzeyyen Astarci, Ibrahim C Haznedaroglu
Ankaferd Blood Stopper (ABS), a hemostatic agent of plant origin, has been registered for the prevention of clinical hemorrhages. Currently there is no data regarding the ultrastructural analysis of ABS at the tissue level. The aim of this study is to assess renal tissue effects via scanning electron microscopy (SEM) analyses for the ABS and ABS nanohemostat (formed by the combination of self-assembling peptide amphiphile molecules and ABS). SEM experiments were performed with FEI Nova NanoSEM 230, using the ETD detector at low vacuum mode with 30 keV beam energy...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27916409/bluetongue-disabled-infectious-single-animal-disa-vaccine-studies-on-the-optimal-route-and-dose-in-sheep
#7
Piet A van Rijn, Franz J Daus, Mieke A Maris-Veldhuis, Femke Feenstra, René G P van Gennip
Bluetongue (BT) is a disease of ruminants caused by bluetongue virus (BTV) transmitted by biting midges of the Culicoides genus. Outbreaks have been controlled successfully by vaccination, however, currently available BT vaccines have several shortcomings. Recently, we have developed BT Disabled Infectious Single Animal (DISA) vaccines based on live-attenuated BTV without expression of dispensable non-structural NS3/NS3a protein. DISA vaccines are non-pathogenic replicating vaccines, do not cause viremia, enable DIVA and are highly protective...
December 1, 2016: Vaccine
https://www.readbyqxmd.com/read/27913968/post-ganglionic-autonomic-neuropathy-associated-with-anti-glutamic-acid-decarboxylase-antibodies
#8
E Fileccia, R Rinaldi, R Liguori, A Incensi, R D'Angelo, M P Giannoccaro, V Donadio
PURPOSE: Antibodies to glutamic acid decarboxylase (GAD-Abs) have been associated with several conditions, rarely involving the autonomic nervous system. Here, we describe two patients complaining of autonomic symptoms in whom a post-ganglionic autonomic neuropathy has been demonstrated in association with significantly elevated serum and CSF GAD-Abs levels. METHODS: Patients underwent nerve conduction studies, sympathetic skin response testing, evaluation of autonomic control of the cardiovascular system and skin biopsy...
December 2, 2016: Clinical Autonomic Research: Official Journal of the Clinical Autonomic Research Society
https://www.readbyqxmd.com/read/27913793/inflammatory-signaling-pathways-induced-by-helicobacter-pylori-in-primary-human-gastric-epithelial-cells
#9
Cong Tri Tran, Magali Garcia, Martine Garnier, Christophe Burucoa, Charles Bodet
Inflammatory signaling pathways induced by Helicobacter pylori remain unclear, having been studied mostly on cell-line models derived from gastric adenocarcinoma with potentially altered signaling pathways and nonfunctional receptors. Here, H. pylori-induced signaling pathways were investigated in primary human gastric epithelial cells. Inflammatory response was analyzed on chemokine mRNA expression and production after infection of gastric epithelial cells by H. pylori strains, B128 and B128ΔcagM, a cag type IV secretion system defective strain...
December 1, 2016: Innate Immunity
https://www.readbyqxmd.com/read/27913646/critical-differences-between-induced-and-spontaneous-mouse-models-of-graves-disease-with-implications-for-antigen-specific-immunotherapy-in-humans
#10
Basil Rapoport, Bianca Banuelos, Holly A Aliesky, Nicole Hartwig Trier, Sandra M McLachlan
Graves' hyperthyroidism, a common autoimmune disease caused by pathogenic autoantibodies to the thyrotropin (TSH) receptor (TSHR), can be treated but not cured. This single autoantigenic target makes Graves' disease a prime candidate for Ag-specific immunotherapy. Previously, in an induced mouse model, injecting TSHR A-subunit protein attenuated hyperthyroidism by diverting pathogenic TSHR Abs to a nonfunctional variety. In this study, we explored the possibility of a similar diversion in a mouse model that spontaneously develops pathogenic TSHR autoantibodies, NOD...
December 15, 2016: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/27913645/iga-complexes-in-plasma-and-synovial-fluid-of-patients-with-rheumatoid-arthritis-induce-neutrophil-extracellular-traps-via-fc%C3%AE-ri
#11
Esil Aleyd, Marjon Al, Cornelis W Tuk, Conny J van der Laken, Marjolein van Egmond
Autoantibodies, including rheumatoid factor (RF), are an important characteristic of rheumatoid arthritis (RA). Interestingly, several studies reported a correlation between the presence of IgA autoantibodies and worse disease course. We demonstrated previously that triggering the IgA Fc receptor (FcαRI) on neutrophils results in neutrophil recruitment and the release of neutrophil extracellular traps (NETs). Because this can lead to tissue damage, we investigated whether IgA immune complexes in plasma and synovial fluid of RA patients activate neutrophils...
December 15, 2016: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/27911378/iridium-oxide-reduced-graphene-oxide-nanohybrid-thin-film-modified-screen-printed-electrodes-as-disposable-electrochemical-paper-microfluidic-ph-sensors
#12
Jiang Yang, Tae-Joon Kwak, Xiaodong Zhang, Robert McClain, Woo-Jin Chang, Sundaram Gunasekaran
A facile, controllable, inexpensive and green electrochemical synthesis of IrO2-graphene nanohybrid thin films is developed to fabricate an easy-to-use integrated paper microfluidic electrochemical pH sensor for resource-limited settings. Taking advantages from both pH meters and strips, the pH sensing platform is composed of hydrophobic barrier-patterned paper micropad (µPAD) using polydimethylsiloxane (PDMS), screen-printed electrode (SPE) modified with IrO2-graphene films and molded acrylonitrile butadiene styrene (ABS) plastic holder...
November 22, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27906236/drawing-optical-fibers-from-three-dimensional-printers
#13
John Canning, Md Arafat Hossain, Chunyang Han, Loic Chartier, Kevin Cook, Tristan Athanaze
The temperature distribution within extrusion nozzles of three low-cost desktop 3D printers is characterized using fiber Bragg gratings (FBGs) to assess their compatibility as micro-furnaces for optical fiber and taper production. These profiles show remarkably consistent distributions suitable for direct drawing of optical fiber. As proof of principle, coreless optical fibers (φ=30  μm) made from fluorinated acrylonitrile butadiene styrene (ABS) and polyethylene terephthalate glycol (PETG) are drawn...
December 1, 2016: Optics Letters
https://www.readbyqxmd.com/read/27905968/monitoring-the-prevalence-of-thyroid-disorders-in-the-adult-population-of-northeast-germany
#14
Rehman Mehmood Khattak, Till Ittermann, Matthias Nauck, Harald Below, Henry Völzke
BACKGROUND: Only a few studies like ours have investigated the effect of long-term stable iodine supply on thyroid disorders in a historically iodine-deficient population, but not with a long follow-up time of 10 years. METHODS: Data were derived from two independent population-based cohorts of the Study of Health in Pomerania (SHIP-0 [1997-2001] and SHIP-TREND [2008-2012]) comprising 4308 and 4420 subjects, respectively. Diagnosed thyroid disorders were assessed...
November 8, 2016: Population Health Metrics
https://www.readbyqxmd.com/read/27903741/whole-killed-blood-stage-vaccine-induced-immunity-suppresses-the-development-of-malaria-parasites-in-mosquitoes
#15
Feng Zhu, Taiping Liu, Chenhao Zhao, Xiao Lu, Jian Zhang, Wenyue Xu
As a malaria transmission-blocking vaccine alone does not confer a direct benefit to the recipient, it is necessary to develop a vaccine that not only blocks malaria transmission but also protects vaccinated individuals. In this study we observed that a whole-killed blood-stage vaccine (WKV) not only conferred protection against the blood-stage challenge but also markedly inhibited the transmission of different strains of the malaria parasite. Although the parasitemia is much lower in WKV-immunized mice challenged with malaria parasites, the gametocytemia is comparable between control and immunized mice during the early stages of infection...
November 30, 2016: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/27895172/pulmonary-dendritic-cell-subsets-shape-the-respiratory-syncytial-virus-specific-cd8-t-cell-immunodominance-hierarchy-in-neonates
#16
Allison M W Malloy, Tracy J Ruckwardt, Kaitlyn M Morabito, Annie W Lau-Kilby, Barney S Graham
Young infants are generally more susceptible to viral infections and experience more severe disease than do adults. CD8(+) T cells are important for viral clearance, and although often ineffective in neonates they can be protective when adequately stimulated. Using a murine CB6F1/J hybrid model of respiratory syncytial virus (RSV) infection, we previously demonstrated that the CD8(+) T cell immunodominance hierarchy to two RSV-derived epitopes, K(d)M282-90 and D(b)M187-195, was determined by the age at infection...
November 28, 2016: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/27884802/association-between-flexible-duty-hour-policies-and-general-surgery-resident-examination-performance-a-flexibility-in-duty-hour-requirement-for-surgical-trainees-first-trial-analysis
#17
Eddie Blay, D Brock Hewitt, Jeanette W Chung, Thomas Biester, James F Fiore, Allison R Dahlke, Christopher M Quinn, Frank R Lewis, Karl Y Bilimoria
BACKGROUND: Concerns persist about the effect of current duty hour reforms on resident educational outcomes. We investigated whether a flexible, less-restrictive duty hour policy (Flexible Policy) was associated with differential general surgery examination performance compared to current Accreditation Council for Graduate Medical Education (ACGME) duty hour policy (Standard Policy). STUDY DESIGN: We obtained examination scores on the American Board of Surgery (ABS) In-Training Examination (ABSITE), Qualifying Examination (QE, written boards), and Certifying Examination (CE, oral boards) for residents in 117 general surgery residency programs that participated in the Flexibility In Duty Hour Requirements for Surgical Trainees (FIRST) Trial...
November 8, 2016: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/27883117/combination-therapies-for-improved-management-of-lower-urinary-tract-symptoms-benign-prostatic-hyperplasia
#18
C De Nunzio, F Presicce, A Tubaro
Several urological and non-urological conditions can contribute to the onset of lower urinary tract symptoms (LUTS), including benign prostatic hyperplasia (BPH), which is one of the main underlying causes in male patients. Six pharmacological classes (alpha-adrenoceptor blockers [ABs], 5alpha-reductase inhibitors [5ARIs], phytotherapeutics, antimuscarinics [AMs], beta3-adrenoceptor agonists and phosphodiesterase type 5 inhibitors [PDE5Is]) are available, alone or in combination, for the treatment of male LUTS...
September 2016: Drugs of Today
https://www.readbyqxmd.com/read/27881702/roles-of-aluminum-hydroxide-and-monophosphoryl-lipid-a-adjuvants-in-overcoming-cd4-t-cell-deficiency-to-induce-isotype-switched-igg-antibody-responses-and-protection-by-t-dependent-influenza-vaccine
#19
Eun-Ju Ko, Young-Tae Lee, Ki-Hye Kim, Youri Lee, Yu-Jin Jung, Min-Chul Kim, Yu-Na Lee, Taeuk Kang, Sang-Moo Kang
Vaccine adjuvant effects in the CD4-deficient condition largely remain unknown. We investigated the roles of combined monophosphoryl lipid A (MPL) and aluminum hydroxide (Alum) adjuvant (MPL+Alum) in inducing immunity after immunization of CD4 knockout (CD4KO) and wild-type (WT) mice with T-dependent influenza vaccine. MPL+Alum adjuvant mediated IgG isotype-switched Abs, IgG-secreting cell responses, and protection in CD4KO mice, which were comparable to those in WT mice. In contrast, Alum adjuvant effects were dependent on CD4(+) T cells...
November 23, 2016: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/27879558/impact-of-pneumococcal-conjugate-vaccines-on-selected-head-and-neck-infections-in-hospitalized-israeli-children
#20
Tal Marom, Shiran Bookstein Peretz, Orna Schwartz, Abraham Goldfarb, Yahav Oron, Sharon Ovnat Tamir
INTRODUCTION: Streptococcus pneumoniae is a major pathogen of pediatric head and neck infections (HNIs), e.g. acute otitis media (AOM), acute mastoiditis (AM), acute bacterial sinusitis (ABS) and meningitis. The aim of the study was to characterize the epidemiology of pneumococcal HNIs (pHNIs) before, during, and after the introduction of pneumococcal conjugate vaccines (PCVs). METHODS: Children 0-16 years who were hospitalized with HNIs in the Pediatrics Department in a general hospital between 1/1/2007-12/31/2014 were retrospectively identified...
November 22, 2016: Pediatric Infectious Disease Journal
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