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Vaccine adjuvant

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https://www.readbyqxmd.com/read/29773448/the-role-of-the-common-gamma-chain-family-cytokines-in-%C3%AE-%C3%AE-t-cell-based-anti-cancer-immunotherapy
#1
REVIEW
Heleen H Van Acker, Diana Campillo-Davo, Gils Roex, Maarten Versteven, Evelien L Smits, Viggo F Van Tendeloo
Cytokines of the common gamma-chain receptor family, comprising interleukin (IL)-2, IL-4, IL-7, IL-9, IL-15 and IL-21, are vital with respect to organizing and sustaining healthy immune cell functions. Supporting the anti-cancer immune response, these cytokines inspire great interest for their use as vaccine adjuvants and cancer immunotherapies. It is against this background that gamma delta (γδ) T cells, as special-force soldiers and natural contributors of the tumor immunosurveillance, also received a lot of attention the last decade...
May 14, 2018: Cytokine & Growth Factor Reviews
https://www.readbyqxmd.com/read/29773143/sex-and-vaccination-insights-from-female-rats-vaccinated-with-juvenile-specific-proteases-from-fasciola-hepatica
#2
Agnieszka Wesołowska, Katarzyna Basałaj, Luke J Norbury, Alicja Sielicka, Halina Wędrychowicz, Anna Zawistowska-Deniziak
Most animal research is less evidence-based for females, with the majority of studies conducted on males. Since immune responses vary between males and females, sexual dimorphism in immunity contributes, among other things, to sex-based differences post-vaccination. However, the issue of sex effects in animal vaccine research is rarely considered in vaccine study design. Previously, we have evaluated the efficacy of cathepsin L3 (FhCL3-1 and FhCL3-2) and B3 proteases (FhCB3) from juvenile Fasciola hepatica as vaccines against fasciolosis in male rats...
May 15, 2018: Veterinary Parasitology
https://www.readbyqxmd.com/read/29773080/adjuvant-ny-eso-1-vaccine-immunotherapy-in-high-risk-resected-melanoma-a-retrospective-cohort-analysis
#3
Michael Lattanzi, Joseph Han, Una Moran, Kierstin Utter, Jeremy Tchack, Rachel Lubong Sabado, Russell Berman, Richard Shapiro, Hsin-Hui Huang, Iman Osman, Nina Bhardwaj, Anna C Pavlick
BACKGROUND: Cancer-testis antigen NY-ESO-1 is a highly immunogenic melanoma antigen which has been incorporated into adjuvant vaccine clinical trials. Three such early-phase trials were conducted at our center among patients with high-risk resected melanoma. We herein report on the pooled long-term survival outcomes of these patients in comparison to historical controls. METHODS: All melanoma patients treated at NYU Langone Health under any of three prospective adjuvant NY-ESO-1 vaccine trials were retrospectively pooled into a single cohort...
May 18, 2018: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/29772941/recent-advances-in-the-discovery-and-development-of-tlr-ligands-as-novel-therapeutics-for-chronic-hbv-and-hiv-infections
#4
Keye Du, Jia Liu, Ruth Broering, Xiaoyong Zhang, Dongliang Yang, Ulf Dittmer, Mengji Lu
Toll-like receptor (TLR) ligands remain as promising antiviral drug candidates for the treatment of chronic viral infections. Basic research on the mechanisms of antiviral activity of TLR ligands in preclinical animal models and clinical testing of drug candidates have been carried out in recent years. Areas covered: This review provides an overview of the preclinical and clinical testing of TLR ligands in two major viral infections: hepatitis B virus (HBV) and human immunodeficiency virus (HIV). Recent results have further demonstrated the potent antiviral activity of various TLR ligands ...
May 17, 2018: Expert Opinion on Drug Discovery
https://www.readbyqxmd.com/read/29771697/influenza-vaccine-strategies-for-solid-organ-transplant-recipients
#5
Cédric Hirzel, Deepali Kumar
PURPOSE OF REVIEW: The aim of this study was to highlight recent evidence on important aspects of influenza vaccination in solid organ transplant recipients. RECENT FINDINGS: Influenza vaccine is the most evaluated vaccine in transplant recipients. The immunogenicity of the vaccine is suboptimal after transplantation. Newer formulations such as inactivated unadjuvanted high-dose influenza vaccine and the administration of a booster dose within the same season have shown to increase response rates...
May 15, 2018: Current Opinion in Infectious Diseases
https://www.readbyqxmd.com/read/29771487/cancer-cell-membrane-coated-adjuvant-nanoparticles-with-mannose-modification-for-effective-anticancer-vaccination
#6
Rong Yang, Jun Xu, Ligeng Xu, Xiaoqi Sun, Qian Chen, Yuhuan Zhao, Rui Peng, Zhuang Liu
Tumor vaccines for cancer prevention and treatment have attracted tremendous interests in the area of cancer immunotherapy in recent years. In this work, we present a strategy to construct cancer vaccines by encapsulating immune-adjuvant nanoparticles with cancer cell membrane modified by mannose. Poly (D, L-lactide-co-glycolide) (PLGA) nanoparticles are firstly loaded with toll-like receptor 7 agonist, imiquimod (R837). Those adjuvant nanoparticles (NP-R) are then coated with cancer cell membranes (NP-R@M), whose surface proteins could act as tumor-specific antigens...
May 17, 2018: ACS Nano
https://www.readbyqxmd.com/read/29770580/q969r-polymorphism-in-nlrp3-is-associated-with-immune-responses-to-vaccination-against-bacterial-infections-in-pigs
#7
Hiroki Shinkai, Kei Terada, Daisuke Toki, Masanori Tohno, Hirohide Uenishi
Nucleotide-binding domain, leucine-rich-containing family, pyrin-domain containing-3 (NLRP3) is an important pattern recognition receptor involved in various inflammatory responses and adjuvant effects upon vaccination. We previously identified the Q969R (A2906G) gain-of-function polymorphism in porcine NLRP3, which increased production of interleukin-1β in in vitro gene transfection experiments. Here, we explored the associations between the A2906G polymorphism and antibody responses after vaccination against bacteria in Large White pigs maintained under specific pathogen-free conditions...
May 17, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29770054/new-vaccine-administration-practice-recommendations-from-the-canadian-immunization-guide
#8
C Jensen, D Moore, C Mah, O Baclic, S Marchant-Short
Background: The Canadian Immunization Guide (CIG) is published online by the Public Health Agency of Canada and summarizes guidance on vaccines for human use into a single resource. Chapters are reviewed and updated on a regular basis. Vaccine administration is a critical part of any immunization program. Recently, the CIG chapter on vaccine administration practices was updated. Objective: To provide highlights of recent changes to the Vaccine Administration Practices chapter of the CIG...
November 2, 2017: Canada Communicable Disease Report, Relevé des Maladies Transmissibles Au Canada
https://www.readbyqxmd.com/read/29769448/tlr-adjuvanted-nanoparticle-vaccines-differentially-influence-the-quality-and-longevity-of-responses-to-malaria-antigen-pfs25
#9
Elizabeth A Thompson, Sebastian Ols, Kazutoyo Miura, Kelly Rausch, David L Narum, Mats Spångberg, Michal Juraska, Ulrike Wille-Reece, Amy Weiner, Randall F Howard, Carole A Long, Patrick E Duffy, Lloyd Johnston, Conlin P O'Neil, Karin Loré
Transmission-blocking vaccines (TBVs) are considered an integral element of malaria eradication efforts. Despite promising evaluations of Plasmodium falciparum Pfs25-based TBVs in mice, clinical trials have failed to induce robust and long-lived Ab titers, in part due to the poorly immunogenic nature of Pfs25. Using nonhuman primates, we demonstrate that multiple aspects of Pfs25 immunity were enhanced by antigen encapsulation in poly(lactic-co-glycolic acid)-based [(PLGA)-based] synthetic vaccine particles (SVP[Pfs25]) and potent TLR-based adjuvants...
May 17, 2018: JCI Insight
https://www.readbyqxmd.com/read/29769270/effective-combination-adjuvants-engage-both-tlr-and-inflammasome-pathways-to-promote-potent-adaptive-immune-responses
#10
Emilie Seydoux, Hong Liang, Natasha Dubois Cauwelaert, Michelle Archer, Nicholas D Rintala, Ryan Kramer, Darrick Carter, Christopher B Fox, Mark T Orr
The involvement of innate receptors that recognize pathogen- and danger-associated molecular patterns is critical to programming an effective adaptive immune response to vaccination. The synthetic TLR4 agonist glucopyranosyl lipid adjuvant (GLA) synergizes with the squalene oil-in-water emulsion (SE) formulation to induce strong adaptive responses. Although TLR4 signaling through MyD88 and TIR domain-containing adapter inducing IFN-β are essential for GLA-SE activity, the mechanisms underlying the synergistic activity of GLA and SE are not fully understood...
May 16, 2018: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/29769207/mitigating-sox2-potentiated-immune-escape-of-head-and-neck-squamous-cell-carcinoma-with-a-sting-inducing-nanosatellite-vaccine
#11
Yee Sun Tan, Kanokwan Sansanaphongpricha, Yuying Xie, Christopher R Donnelly, Xiaobo Luo, Blake R Heath, Xinyi Zhao, Emily L Bellile, Hongxiang Hu, Hongwei Chen, Peter J Polverini, Qianming Chen, Simon Young, Thomas E Carey, Jacques E Nör, Robert L Ferris, Gregory Wolf, Duxin Sun, Yu L Lei
PURPOSE: The response rates of Head and Neck Squamous Cell Carcinoma (HNSCC) to checkpoint blockade are below 20%. We aim to develop a mechanism-based vaccine to prevent HNSCC immune escape. EXPERIMENTAL DESIGN: We performed RNA-Seq of sensitive and resistant HNSCC cells to discover central pathways promoting resistance to immune killing. Using biochemistry, animal models, HNSCC microarray and immune cell deconvolution, we assessed the role of SOX2 in inhibiting STING-type I interferon (IFN-I) signaling-mediated anti-tumor immunity...
May 16, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29768704/syntheses-and-immunological-evaluation-of-self-adjuvanting-clustered-n-acetyl-and-n-propionyl-sialyl-tn-combined-with-a-t-helper-cell-epitope-as-antitumor-vaccine-candidates
#12
Tsung-Che Chang, Yoshiyuki Manabe, Yukari Fujimoto, Shino Ohshima, Yoshie Kametani, Kazuya Kabayama, Yuka Nimura, Chun-Cheng Lin, Koichi Fukase
Sialyl-Tn (STn) is a tumor-associated carbohydrate antigen (TACA) rarely observed on healthy tissues. We synthesized two fully synthetic N-acetyl and N-propionyl STn trimer (triSTn) vaccines possessing a T-helper epitope and a TLR2 agonist, since the clustered STn antigens are highly expressed on many cancer cells. Immunization of both vaccines in mice induced the anti-triSTn IgG antibodies, which recognized triSTn-expressing cell lines PANC-1 and HepG2. The N-propionyl triSTn vaccine induced the triSTn-specific IgGs, while IgGs induced by the N-acetyl triSTn vaccine were less specific...
May 16, 2018: Angewandte Chemie
https://www.readbyqxmd.com/read/29766005/the-enhancement-of-the-pasteurella-s-bacterin-by-propolis-extracts
#13
Tarek Adnan Ahmad, Samar Saeed Rammah, Salah Ahmed Sheweita, Medhat Haroun, Laila Hamdy El-Sayed
Background: Pasteurella multocida continues to pose a danger to prone farm and wild animals all over the world. Chemotherapeutic treatments are progressively losing their effectiveness, last for long time, and cost a lot of money, as well as being toxic to human consumers. Therefore, clearing the way for immunization as a big-wheel alternative against the economic grain. Yet, the vaccines available in the market do not confer the necessary protection against the pathogen. The integration of the well adjuvanted killed vaccine with the attenuated vaccines proved to offer an effective protection to the host animals...
April 2018: Reports of Biochemistry & Molecular Biology
https://www.readbyqxmd.com/read/29765911/immunization-with-skp-delivered-on-outer-membrane-vesicles-protects-mice-against-enterotoxigenic-escherichia-coli-challenge
#14
Michael P Hays, Diane Houben, Yang Yang, Joen Luirink, Philip R Hardwidge
Outer membrane vesicles (OMVs) are promising vaccine components because they combine antigen and adjuvant in a single formulation. Detoxified Salmonella enterica strains that express penta-acylated lipid A retain OMV immunogenicity but with reduced reactogenicity. We have previously shown that a recombinant form of the enterotoxigenic Escherichia coli (ETEC) 17 kilodalton protein (Skp) protects mice in a pulmonary challenge model, when fused to the glutathione-S-transferase (GST) epitope and combined with cholera toxin...
2018: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/29764680/the-parasite-derived-rov-asp-1-is-an-effective-antigen-sparing-cd4-t-cell-dependent-adjuvant-for-the-trivalent-inactivated-influenza-vaccine-and-functions-in-the-absence-of-myd88-pathway
#15
Sonia Jain, Parakkal Jovvian George, Wanyan Deng, Joseph Koussa, Kaela Parkhouse, Scott E Hensley, Jiu Jiang, Jie Lu, Zhuyun Liu, Junfei Wei, Bin Zhan, Maria Elena Bottazzi, Hao Shen, Sara Lustigman
Vaccination remains the most cost-effective biomedical approach for controlling influenza disease. In times of pandemics, however, these vaccines cannot be produced in sufficient quantities for worldwide use by the current manufacturing capacities and practices. What is needed is the development of adjuvanted vaccines capable of inducing an adequate or better immune response at a decreased antigen dose. Previously we showed that the protein adjuvant rOv-ASP-1 augments influenza-specific antibody titers and survival after virus challenge in both young adult and old-age mice when administered with the trivalent inactivated influenza vaccine (IIV3)...
May 12, 2018: Vaccine
https://www.readbyqxmd.com/read/29762542/correction-vitetta-l-et-al-adjuvant-probiotics-and-the-intestinal-microbiome-enhancing-vaccines-and-immunotherapy-outcomes-vaccines-2017-5-50
#16
Luis Vitetta, Emma Tali Saltzman, Michael Thomsen, Tessa Nikov, Sean Hall
The authors wish to make the following corrections to this paper due to a typesetting error in the conclusion of this article which was recently published in Vaccines.
May 15, 2018: Vaccines
https://www.readbyqxmd.com/read/29761493/experimental-induction-of-mouthrot-in-atlantic-salmon-smolts-using-tenacibaculum-maritimum-from-western-canada
#17
K Frisch, S B Småge, C Vallestad, H Duesund, Ø J Brevik, A Klevan, R H Olsen, S T Sjaatil, D Gauthier, B Brudeseth, A Nylund
Mouthrot, or bacterial stomatitis, is a disease which mainly affects farmed Atlantic salmon, (Salmo salar, L.), smolts recently transferred into salt water in both British Columbia (BC), Canada, and Washington State, USA. It is a significant fish welfare issue which results in economic losses due to mortality and antibiotic treatments. The associated pathogen is Tenacibaculum maritimum, a bacterium which causes significant losses in many species of farmed fish worldwide. This bacterium has not been proven to be the causative agent of mouthrot in BC despite being isolated from affected Atlantic salmon...
May 14, 2018: Journal of Fish Diseases
https://www.readbyqxmd.com/read/29760705/induction-of-cytotoxic-t-lymphocyte-responses-upon-subcutaneous-administration-of-a-subunit-vaccine-adjuvanted-with-an-emulsion-containing-the-toll-like-receptor-3-ligand-poly-i-c
#18
Signe Tandrup Schmidt, Gabriel Kristian Pedersen, Malene Aaby Neustrup, Karen Smith Korsholm, Thomas Rades, Peter Andersen, Camilla Foged, Dennis Christensen
There is an unmet medical need for new subunit vaccines that induce cytotoxic T-lymphocyte (CTL) responses to prevent infection with a number of pathogens. However, stimulation of CTL responses via clinically acceptable subcutaneous (s.c.) and intramuscular (i.m.) injection is challenging. Recently, we designed a liposomal adjuvant [cationic adjuvant formulation (CAF)09] composed of the cationic lipid dimethyldioctadecylammonium (DDA) bromide, a synthetic monomycoloyl glycerol analog and polyinosinic:polycytidylic acid, which induce strong CTL responses to peptide and protein antigens after intraperitoneal administration...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29758415/anti-tumor-effects-of-propranolol-adjuvant-activity-on-a-transplanted-murine-breast-cancer-model
#19
Somayeh Ashrafi, Reza Shapouri, Ahmad Shirkhani, Mehdi Mahdavi
Propranolol (Pro), a non-specific β-adrenergic blocking drug, competitively prevents the binding of catecholamines to receptors and suppresses cancer cells. The anti-tumor activity of propranolol has been proved in different kinds of cancers. In this study, we assessed the adjuvant activity of propranolol combined with a tumor vaccine model on the immunological parameters of breast tumor-bearing mice. Breast tumor pieces were implanted into the flank of inbred BALB/C female mice from stock mice. Tumor-bearing mice were treated with tumor antigen lysate vaccine and propranolol/Vaccine (Pro/Vac) combination (as treatment groups), propranolol and PBS (as control groups) for 5 consecutive days, every 12 h...
May 11, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29755468/approaches-to-improve-chemically-defined-synthetic-peptide-vaccines
#20
REVIEW
Brett J Hos, Elena Tondini, Sander I van Kasteren, Ferry Ossendorp
Progress made in peptide-based vaccinations to induce T-cell-dependent immune responses against cancer has invigorated the search for optimal vaccine modalities. Design of new vaccine strategies intrinsically depends on the knowledge of antigen handling and optimal epitope presentation in both major histocompatibility complex class I and -II molecules by professional antigen-presenting cells to induce robust CD8 and CD4 T-cell responses. Although there is a steady increase in the understanding of the underlying mechanisms that bridges innate and adaptive immunology, many questions remain to be answered...
2018: Frontiers in Immunology
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