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Anti Th/To antibodies

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https://www.readbyqxmd.com/read/29344327/secukinumab-a-review-of-the-anti-il-17a-biologic-for-the-treatment-of-psoriasis
#1
REVIEW
Jillian Frieder, Dario Kivelevitch, Alan Menter
Psoriasis is a systemic inflammatory disease associated with numerous comorbidities and a profound impact on patients' quality of life. While its complex immune pathogenesis is still not fully delineated, current evidence supports a fundamental role of the T-helper-17 (TH-17) pathway and its related interleukin-17 (IL-17) cytokine. Thus, new antipsoriatic therapies have been developed to block this key cytokine and its downstream effects. Secukinumab is a fully humanized, monoclonal anti-IL-17A antibody, and the first in its class to be approved by the US Food and Drug Administration for the treatment of moderate to severe plaque psoriasis...
January 2018: Therapeutic Advances in Chronic Disease
https://www.readbyqxmd.com/read/29330311/necrosis-in-anti-srp-and-anti-hmgcr-myopathies-role-of-autoantibodies-and-complement
#2
Yves Allenbach, Louiza Arouche-Delaperche, Corinna Preusse, Helena Radbruch, Gillian Butler-Browne, Nicolas Champtiaux, Kuberaka Mariampillai, Aude Rigolet, Peter Hufnagl, Norman Zerbe, Damien Amelin, Thierry Maisonobe, Sarah Louis-Leonard, Charles Duyckaerts, Bruno Eymard, Hans-Hilmar Goebel, Cecile Bergua, Laurent Drouot, Olivier Boyer, Olivier Benveniste, Werner Stenzel
OBJECTIVE: To characterize muscle fiber necrosis in immune-mediated necrotizing myopathies (IMNM) with anti-signal recognition particle (SRP) or anti-3-hydroxy-3-methylglutarylcoenzyme A reductase (HMGCR) antibodies and to explore its underlying molecular immune mechanisms. METHODS: Muscle biopsies from patients with IMNM were analyzed and compared to biopsies from control patients with myositis. In addition to immunostaining and reverse transcription PCR on muscle samples, in vitro immunostaining on primary muscle cells was performed...
January 12, 2018: Neurology
https://www.readbyqxmd.com/read/29279083/discovery-of-a-recombinant-babesia-canis-supernatant-antigen-that-protects-dogs-against-virulent-challenge-infection
#3
K Moubri, J Kleuskens, J Van de Crommert, N Scholtes, T Van Kasteren, S Delbecq, B Carcy, E Précigout, A Gorenflot, Th Schetters
Soluble parasite antigens (SPA) in supernatants of in vitro cultures of Babesia canis can be used to vaccinate dogs against virulent B. canis infection. The moment that immunity becomes apparent coincides with the appearance of antibodies against SPA in the serum of the vaccinated animals. This so-called vaccination-challenge serum (VC-serum) was used to precipitate antigens from B. canis culture supernatants in agarose gels. This antigen preparation was then used to analyse the reactivity of sera from vaccinated dogs on western blots...
January 15, 2018: Veterinary Parasitology
https://www.readbyqxmd.com/read/29206151/an-overview-of-l-amino-acid-oxidase-functions-from-bacteria-to-mammals-focus-on-the-immunoregulatory-phenylalanine-oxidase-il4i1
#4
REVIEW
Flavia Castellano, Valérie Molinier-Frenkel
l-amino acid oxidases are flavin adenine dinucleotide-dependent enzymes present in all major kingdom of life, from bacteria to mammals. They participate in defense mechanisms by limiting the growth of most bacteria and parasites. A few mammalian LAAOs have been described, of which the enzyme "interleukin-4 induced gene 1" (IL4I1) is the best characterized. IL4I1 mainly oxidizes l-phenylalanine. It is a secreted enzyme physiologically produced by antigen presenting cells of the myeloid and B cell lineages and T helper type (Th) 17 cells...
December 5, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29150834/il-22-neutralizing-autoantibodies-impair-fungal-clearance-in-murine-oropharyngeal-candidiasis-model
#5
Rudolf Bichele, Jaanika Kärner, Kai Truusalu, Imbi Smidt, Reet Mändar, Heather R Conti, Sarah L Gaffen, Pärt Peterson, Martti Laan, Kai Kisand
Protection against mucocutaneous candidiasis depends on the T helper (Th)17 pathway, as gene defects affecting its integrity result in inability to clear Candida albicans infection on body surfaces. Moreover, autoantibodies neutralizing Th17 cytokines have been related to chronic candidiasis in a rare inherited disorder called autoimmune polyendocriopathy candidiasis ectodermal dystrophy (APECED) caused by mutations in autoimmune regulator (AIRE) gene. However, the direct pathogenicity of these autoantibodies has not yet been addressed...
November 17, 2017: European Journal of Immunology
https://www.readbyqxmd.com/read/29149780/interleukin-37-relieves-allergic-inflammation-in-a-house-dust-mite-allergic-rhinitis-murine-model
#6
Do Hyun Kim, Si Won Kim, Soo Whan Kim, Jun-Myung Kang
The purpose of this study was to investigate the effects of interleukin-37 (IL-37) on a Dermatophagoides farinae (Der f)-induced murine model of allergic rhinitis (AR). BALB/c mice, except the control groups, were sensitized intraperitoneally and challenged intranasally with Der f (Der f group). The IL-37 and IL-37+anti-CD25 groups were administered IL-37 intranasally. The IL-37+anti-CD25 groups were administered anti-CD25 monoclonal antibody intraperitoneally before challenge. Allergic symptoms and the average eosinophil number were counted...
October 2017: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/29142576/frequency-and-the-risk-factors-of-hepatitis-c-virus-in-pregnant-women-a-hospital-based-descriptive-study-in-gadap-town-karachi
#7
Kausar Jilani, Bushra Zulfiqar, Qadir Bux Memon, Muhammad Faisal Fahim
Objective: To determine the frequency and the risk factors of hepatitis C virus in pregnant women at Al-Tibri Medical College & Hospital in Gadap Town Karachi. Methods: This was a descriptive cross sectional study conducted at Obstetrics & Gynecology OPD of Al-Tibri Medical College & Hospital, Isra University Karachi Campus from 10(th) June to 10(th) September 2016. A total of 400 pregnant women of 16-45 years of age, who came in outpatient department for antenatal checkup were selected for the study...
September 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/29115398/vibrio-vulnificus-infection-induces-the-maturation-and-activation-of-dendritic-cells-with-inflammatory-th17-polarizing-ability
#8
Arim Lee, Hui Xuan Lim, Myun Soo Kim, Daeho Cho, Kyung Ku Jang, Sang Ho Choi, Tae Sung Kim
Vibrio vulnificus (V. vulnificus) is a gram-negative bacterium, which causes life-threatening septicemia and gastroenteritis through the consumption of contaminated seafood or wound infection. In addition, V. vulnificus infection is known to stimulate the production of several pro-inflammatory cytokines, which are associated with inflammatory responses mediated predominantly by dendritic cells (DCs), functioning as antigen-presenting cells. The present study aimed to investigate whether V. vulnificus infection induced the maturation and activation of murine DCs, which have the ability to polarize T helper (Th) cells into Th17 cells...
November 1, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29079628/neutralizing-anti-sta-antibodies-derived-from-enterotoxigenic-escherichia-coli-etec-toxoid-fusions-with-heat-stable-toxin-sta-mutant-stan12s-stal9a-n12s-or-stan12s-a14t-show-little-cross-reactivity-with-guanylin-or-uroguanylin
#9
Qiangde Duan, Jiachen Huang, Nan Xiao, Hyesuk Seo, Weiping Zhang
Heat-stable toxin (STa)-producing enterotoxigenic Escherichia coli (ETEC) strains are a top cause of moderate-to-severe diarrhea in children from developing countries and a common cause of travelers' diarrhea. Recent progress in using STa toxoids and toxoid fusions to induce neutralizing anti-STa antibodies accelerates ETEC vaccine development. However, concern remains whether the derived anti-STa antibodies cross-react with STa-like guanylin and uroguanylin, two GC-C ligands regulating the fluid and electrolyte transportation in human intestinal and renal epithelial cells...
October 27, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/29062199/immunological-and-histopathological-changes-in-sheep-affected-with-cutaneous-squamous-cell-carcinoma-and-treated-immunotherapeutically
#10
Faten A M Abo-Aziza, A A Zaki, A El-Shemy, Sahar S Abd Elhalem, Amany S Amer
BACKGROUND AND AIM: Recently, it has been recorded unexpected percentage of cutaneous squamous cell carcinoma (cSCC) in sheep. Despite the improvement in surgical treatment, the outcome of animals remains limited by metastatic relapse. Although antibodies for cancer treatment have been practiced for many decades, the use of this methodology in animals is deficient. This study aimed to establish cSCC therapy by tumor cell protein antibody (Ab1) or secondary antibody (Ab2) raised by two series of immunization in the same strain of rabbits...
September 2017: Veterinary World
https://www.readbyqxmd.com/read/29033678/quantitative-metabolic-volumetric-product-on-18-fluorine-2fluoro-2-deoxy-d-glucose-positron-emission-tomography-computed-tomography-in-assessing-treatment-response-to-disease-modifying-antirheumatic-drugs-in-rheumatoid-arthritis-multiparametric-analysis-integrating
#11
Nandigam Santosh Kumar, Yogesh Shejul, Ramesh Asopa, Sandip Basu
The purpose of this study was to assess the role of fluoro-2-deoxy-D-glucose-positron emission tomography/computed tomography (FDG-PET/CT) in the evaluation of treatment response evaluation to disease-modifying antirheumatic drug (DMARD) therapy in patients of rheumatoid arthritis (RA). A total of ten patients with proven diagnosis of RA as per the 2010 American College of Rheumatology/European League against Rheumatism (EULAR) criteria were prospectively evaluated. All patients underwent clinical and biochemical evaluation and a baseline FDG-PET/CT with assessment of maximum standardized uptake value and metabolic volumetric product (MVP) values...
October 2017: World Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/28994166/newer-treatments-of-psoriasis-regarding-il-23-inhibitors-phosphodiesterase-4-inhibitors-and-janus-kinase-inhibitors
#12
REVIEW
Dominika Wcisło-Dziadecka, Martyna Zbiciak-Nylec, Ligia Brzezińska-Wcisło, Katarzyna Bebenek, Agata Kaźmierczak
The rapid progress of genetic engineering furthermore opens up new prospects in the therapy of this difficult-to-treat disease. IL-23 inhibitors, phosphodiesterase 4 (PDE4) inhibitors, and Janus kinase (JAK) inhibitors are currently encouraging further research. Two drugs which are IL-23 inhibitors are now in phase III of clinical trials. The aim of the action of both drugs is selective IL-23 inhibition by targeting the p19 subunit. Guselkumab is a fully human monoclonal antibody. Tildrakizumab is a humanized monoclonal antibody, which also belongs to IgG class and is targeted to subunit p19 of interleukin 23 (IL-23)...
November 2017: Dermatologic Therapy
https://www.readbyqxmd.com/read/28974499/interleukin-22-promotes-blood-pressure-elevation-and-endothelial-dysfunction-in-angiotensin-ii-treated-mice
#13
Jing Ye, Qingwei Ji, Jianfang Liu, Ling Liu, Ying Huang, Ying Shi, Lei Shi, Menglong Wang, Mengling Liu, Ying Feng, Huimin Jiang, Yao Xu, Zhen Wang, Junlong Song, Yingzhong Lin, Jun Wan
BACKGROUND: CD4+ T helper (Th) cells, including Th1, Th2, and Th17 cells, play critical roles in angiotensin II-induced hypertension. Th22 cells, a novel subset of Th cells, take part in cardiovascular diseases by producing IL-22 (interleukin 22). This study aimed to investigate whether IL-22 is involved in hypertension. METHODS AND RESULTS: Th22 cells and IL-22 levels were detected in angiotensin II-infused mice, and the results showed that Th22 cells and IL-22 levels significantly increased...
October 3, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28972433/thymic-stromal-lymphopoietin-contribution-to-the-recruitment-of-circulating-fibrocytes-to-the-lung-in-a-mouse-model-of-chronic-allergic-asthma
#14
Zhuang-Gui Chen, Ping Meng, Hong-Tao Li, Ming Li, Li-Fen Yang, Yan Yan, Ya-Ting Li, Xiao-Ling Zou, De-Yun Wang, Tian-Tuo Zhang
OBJECTIVE: Fibrocyte localization to the airways and thymic stromal lymphopoietin (TSLP) overexpression in the lung are features of severe asthma. The aim of this study was to determine whether TSLP contributes to fibrocyte trafficking and airway remodeling in a mouse model of allergic asthma. METHODS: We established a chronic asthma animal model by administering house dust mite (HDM) extracts intranasally for up to 5 consecutive weeks. Mouse anti-TSLP monoclonal antibody (mAb) was given intraperitoneally starting the 4(th) week...
October 3, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/28954973/anti-myelin-oligodendrocyte-glycoprotein-mog-antibody-positive-varicella-zoster-virus-myelitis-presenting-as-longitudinally-extensive-transverse-myelitis-a-case-report
#15
Yuji Shiga, Teppei Kamimura, Yutaka Shimoe, Toshiyuki Takahashi, Kimihiko Kaneko, Masaru Kuriyama
A 69-year-old man was admitted to our hospital because of disturbed consciousness and gait disturbance. He had herpes zoster (HZ) in his left thigh 10 days before admission, and motor paresis of four extremities developed. A dark red rash was observed in his left buttock and thigh (L2-3 region), which was also scattered in the right lower leg, chest wall, and both upper extremities. Brain MRI showed no lesions of demyelinating plaques. Spine MRI showed no abnormal signals in the lumbar region; however, high signals in the spinal cord from the bottom of the medulla oblongata to the upper (Th 2) thoracic region were observed...
October 27, 2017: Rinshō Shinkeigaku, Clinical Neurology
https://www.readbyqxmd.com/read/28938496/icaritin-improves-antibody-induced-thrombocytopenia-in-a-mouse-model-by-regulating-t-cell-polarization
#16
Chenghong Sun, Jian Yang, Mingzhi Wang, Lihong Pan, Jingchun Yao, Shenglan Wang, Na Guo, Chunyan Li, Guimin Zhang
Previous studies have shown that icaritin (ICT) has significant protective effects on immune thrombocytopenia (ITP), and the present study aimed to discuss the mechanism of this protective effect from the aspect of regulating T-cell polarization by an antibody-induced ITP mice model. Mice were given rat anti-mouse CD41 antibody (MWReg30) by intraperitoneal injection for 7 d to produce ITP model. At the same time, ICT was administrated at 10 mg/kg/d orally for 9 d. Peripheral blood platelets were counted by hematology analyzer...
September 22, 2017: Planta Medica
https://www.readbyqxmd.com/read/28931653/combined-ox40l-and-mtor-blockade-controls-effector-t-cell-activation-while-preserving-treg-reconstitution-after-transplant
#17
Victor Tkachev, Scott N Furlan, Benjamin Watkins, Daniel J Hunt, Hengqi Betty Zheng, Angela Panoskaltsis-Mortari, Kayla Betz, Melanie Brown, John B Schell, Katie Zeleski, Alison Yu, Ian Kirby, Sarah Cooley, Jeffrey S Miller, Bruce R Blazar, Duncan Casson, Phil Bland-Ward, Leslie S Kean
A critical question facing the field of transplantation is how to control effector T cell (Teff) activation while preserving regulatory T cell (Treg) function. Standard calcineurin inhibitor-based strategies can partially control Teffs, but breakthrough activation still occurs, and these agents are antagonistic to Treg function. Conversely, mechanistic target of rapamycin (mTOR) inhibition with sirolimus is more Treg-compatible but is inadequate to fully control Teff activation. In contrast, blockade of OX40L signaling has the capacity to partially control Teff activation despite maintaining Treg function...
September 20, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28904429/correlation-of-pretransplant-donor-specific-antibody-assay-using-luminex-crossmatch-with-graft-outcome-in-renal-transplant-patients
#18
M Vimal, M P Chacko, G Basu, D Daniel
The significance of pretransplant anti-human leukocyte antigen antibody levels that are detectable by more sensitive platforms (including the Luminex platform) yet undetected by complement-dependent cytotoxicity (CDC) assay remains unclear. The aim of this study was to determine the clinical significance of the donor-specific antibody (DSA) assay Luminex crossmatch and its impact on short-term renal graft outcome such as acute rejections, graft survival, and graft function. The results of pretransplant DSA-lymphocyte crossmatching (LCXM) assay in 126 renal allograft recipients whose CDCs crossmatches were negative were retrospectively analyzed for correlation with posttransplant outcomes...
September 2017: Indian Journal of Nephrology
https://www.readbyqxmd.com/read/28895863/a-monoclonal-antibody-for-detection-of-intracellular-and-secreted-interleukin-2-in-horses
#19
Heather Freer, Julia M Hillegas, Christine Wimer, Cynthia Baldwin, Joanna LaBresh, Bettina Wagner
Interleukin-2 (IL-2) is a T cell growth factor and major modulator of T helper (Th) cell differentiation. Here, we have developed and characterized a monoclonal antibody to equine IL-2 (anti-IL-2 mAb, clone 158-1). The IL-2 mAb detected rIL-2 by ELISA, intracellular staining and flow cytometry analysis and Western blotting. The IL-2 mAb was also paired with a polyclonal IL-2 detection antibody in both ELISA and a fluorescent bead-based assay. When these two assays were compared using identical reagents there was an improved analytical sensitivity (46pg/ml) and wider linear quantification range (46-100,000pg/ml) of IL-2 quantification using the fluorescent bead assay...
September 2017: Veterinary Immunology and Immunopathology
https://www.readbyqxmd.com/read/28875310/simultaneous-analysis-of-multiple-t-helper-subsets-in-leprosy-reveals-distinct-patterns-of-th1-th2-th17-and-tregs-markers-expression-in-clinical-forms-and-reactional-events
#20
Michelle de Campos Soriani Azevedo, Heloisa Marques, Larissa Sarri Binelli, Mariana Silva Vieira Malange, Amanda Carreira Devides, Eliane Aparecida Silva, Luciana Raquel Vincenzi Fachin, Cassio Cesar Ghidella, Cleverson Teixeira Soares, Gustavo Pompermaier Garlet, Patrícia Sammarco Rosa, Andrea de Farias Fernandes Belone, Ana Paula Favaro Trombone
Leprosy is a chronic infectious disease caused by Mycobacterium leprae. Previous studies have demonstrated that the difference among clinical forms of leprosy can be associated with the immune response of patients, mainly by T helper (Th) and regulatory T cells (Tregs). Then, aiming at clarifying the immune response, the expression of cytokines related to Th1, Th2, Th17 and Tregs profiles were evaluated by qPCR in 87 skin biopsies from leprosy patients. Additionally, cytokines and anti-PGL-1 antibodies were determined in serum by ELISA...
December 2017: Medical Microbiology and Immunology
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