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Aluminum adjuvant vaccine hydroxide

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https://www.readbyqxmd.com/read/27891512/a-de-o-acylated-lipooligosaccharide-based-adjuvant-system-promotes-antibody-and-th1-type-immune-responses-to-h1n1-pandemic-influenza-vaccine-in-mice
#1
Ji In Ryu, Shin Ae Park, Seo Ri Wui, Ara Ko, Ji Eun Han, Jung Ah Choi, Man Ki Song, Kwang Sung Kim, Yang Je Cho, Na Gyong Lee
Vaccine adjuvants are agents that are used to promote immune responses to vaccine antigens and thereby to enhance the protective efficacy of the vaccines. In this study, we investigated the adjuvant activity of CIA06, an adjuvant system that is composed of a toll-like receptor 4 agonist de-O-acylated lipooligosaccharide (dLOS) and aluminum hydroxide, on the H1N1 pandemic influenza vaccine Greenflu-S® in mice. CIA06 significantly enhanced influenza-specific serum IgG, hemagglutination-inhibition, and virus-neutralizing antibody titers, which eliminated vaccine dose-dependency in the antibody response...
2016: BioMed Research International
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
#2
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/27872951/immunogenicity-and-efficacy-of-a-rationally-designed-vaccine-against-vascular-endothelial-growth-factor-in-mouse-solid-tumor-models
#3
Aizhang Xu, Li Zhang, Yangyang Chen, Zhibing Lin, Rongxiu Li
Vascular endothelial growth factor (VEGF) plays an important role in the progression of various cancers. The VEGF-specific antibody bevacizumab combined with chemotherapy was shown to significantly improve progression-free survival in certain cancers. However, repeated administration is necessary for effective suppression of VEGF, thereby making the therapy expensive and cumbersome. Thus, it is urgent to develop alternative reagents such as VEGF vaccines. Here we report that DTT-VEGF, a VEGF-based antigen consisting of the receptor-binding domain of VEGF and diphtheria toxin T domain (DTT), not only stimulated neutralizing antibody response, but also induced type 1 immune response as well as anti-tumor cytotoxic T lymphocytes in mice when administered with aluminum hydroxide adjuvant...
November 21, 2016: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/27824918/skin-vaccination-against-rotavirus-using-microneedles-proof-of-concept-in-gnotobiotic-piglets
#4
Yuhuan Wang, Anastasia Vlasova, Daniel E Velasquez, Linda J Saif, Sukumar Kandasamy, Efrat Kochba, Yotam Levin, Baoming Jiang
Live-attenuated oral rotavirus (RV) vaccines have lower efficacy in low income countries, and additionally are associated with a rare but severe adverse event, intussusception. We have been pursuing the development of an inactivated rotavirus vaccine (IRV) using the human rotavirus strain CDC-9 (G1P[8]) through parenteral immunization and previously demonstrated dose sparing and enhanced immunogenicity of intradermal (ID) unadjuvanted IRV using a coated microneedle patch in comparison with intramuscular (IM) administration in mice...
2016: PloS One
https://www.readbyqxmd.com/read/27797937/induction-of-humoural-and-cellular-immunity-by-immunisation-with-hcv-particle-vaccine-in-a-non-human-primate-model
#5
Hiroshi Yokokawa, Atsunori Higashino, Saori Suzuki, Masaki Moriyama, Noriko Nakamura, Tomohiko Suzuki, Ryosuke Suzuki, Koji Ishii, Kouji Kobiyama, Ken J Ishii, Takaji Wakita, Hirofumi Akari, Takanobu Kato
OBJECTIVE: Although HCV is a major cause of chronic liver disease worldwide, there is currently no prophylactic vaccine for this virus. Thus, the development of an HCV vaccine that can induce both humoural and cellular immunity is urgently needed. To create an effective HCV vaccine, we evaluated neutralising antibody induction and cellular immune responses following the immunisation of a non-human primate model with cell culture-generated HCV (HCVcc). DESIGN: To accomplish this, 10 common marmosets were immunised with purified, inactivated HCVcc in combination with two different adjuvants: the classically used aluminum hydroxide (Alum) and the recently established adjuvant: CpG oligodeoxynucleotide (ODN) wrapped by schizophyllan (K3-SPG)...
October 26, 2016: Gut
https://www.readbyqxmd.com/read/27787625/immunization-of-rhesus-macaques-with-echinococcus-multilocularis-recombinant-14-3-3-antigen-leads-to-specific-antibody-response
#6
Karen Lampe, B Gottstein, T Becker, C Stahl-Hennig, F-J Kaup, K Mätz-Rensing
E. multilocularis (Em) is the etiologic agent of alveolar echinococcosis (AE), a severe and potentially fatal disease, primarily affecting the liver of and occurring in aberrant intermediate hosts, e.g., humans and non-human primates. Due to increasing numbers of spontaneous cases of AE in the Old World monkey colonies of the German Primate Center, the question arose as to whether vaccination of non-human primates may represent a useful prophylactic approach. In this pilot study, the recombinant antigen Em14-3-3, which has provided a 97 % protection against E...
October 27, 2016: Parasitology Research
https://www.readbyqxmd.com/read/27781036/modulation-of-primary-immune-response-by-different-vaccine-adjuvants
#7
Annalisa Ciabattini, Elena Pettini, Fabio Fiorino, Gabiria Pastore, Peter Andersen, Gianni Pozzi, Donata Medaglini
Adjuvants contribute to enhancing and shaping the vaccine immune response through different modes of action. Here early biomarkers of adjuvanticity after primary immunization were investigated using four different adjuvants combined with the chimeric tuberculosis vaccine antigen H56. C57BL/6 mice were immunized by the subcutaneous route with different vaccine formulations, and the modulation of primary CD4(+) T cell and B cell responses was assessed within draining lymph nodes, blood, and spleen, 7 and 12 days after priming...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/27671547/active-immunization-with-human-interleukin-15-induces-neutralizing-antibodies-in-non-human-primates
#8
Yunier Rodríguez-Álvarez, Yanelys Morera-Díaz, Haydee Gerónimo-Pérez, Jorge Castro-Velazco, Rafael Martínez-Castillo, Pedro Puente-Pérez, Vladimir Besada-Pérez, Eugenio Hardy-Rando, Araceli Chico-Capote, Klaudia Martínez-Cordovez, Alicia Santos-Savio
BACKGROUND: Interleukin-15 is an immunostimulatory cytokine overexpressed in several autoimmune and inflammatory diseases such as Rheumatoid Arthritis, psoriasis and ulcerative colitis; thus, inhibition of IL-15-induced signaling could be clinically beneficial in these disorders. Our approach to neutralize IL-15 consisted in active immunization with structurally modified human IL-15 (mhIL-15) with the aim to induce neutralizing antibodies against native IL-15. In the present study, we characterized the antibody response in Macaca fascicularis, non-human primates that were immunized with a vaccine candidate containing mhIL-15 in Aluminum hydroxide (Alum), Montanide and Incomplete Freund's Adjuvant...
September 26, 2016: BMC Immunology
https://www.readbyqxmd.com/read/27647321/aluminum-hydroxide-nanoparticles-show-strong-activity-to-stimulate-th-1-immune-response-against-tuberculosis
#9
Yousef Amini, Bagher Moradi, Mahdi Fasihi-Ramandi
Many materials such as aluminum hydroxide have been tried as adjuvants to compensate low inherent immunogenicity of subunit vaccines. The aim of this study was to evaluate the specific immune response following the administration of aluminum hydroxide nanoparticles with EsxV antigen. The physiochemical properties of the nanoparticle were characterized in vitro. After subcutaneous immunization, cytokine secretion patterns including IFN-gama,IL-4, and TGF-beta levels were measured by indirect enzyme linked immunosorbent assay (ELISA)...
September 20, 2016: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/27591953/clinical-testing-of-an-inactivated-influenza-a-h5n1-vaccine-candidate-in-a-double-blinded-placebo-controlled-randomized-trial-in-healthy-adults-in-vietnam
#10
Trong Lan Phan, Vinh Thang Ho, Minh Huong Vu, Tuyet Nga Nguyen, Huu Thai Duong, Renee Holt, Rahnuma Wahid, John Donnelly, Jorge Flores
We tested an inactivated egg-grown whole virus influenza A/H5N1 vaccine candidate developed by the Institute of Vaccines and Medical Biologicals (IVAC), a state-run vaccine manufacturer in Vietnam, in a Phase 1, placebo controlled, double blinded, randomized trial. The vaccine was adjuvanted with aluminum hydroxide. The trial enrolled 75 subjects who were randomized to receive two injections of one of the following: low-dose of vaccine (7.5 mcg HA), high-dose of vaccine (15 mcg HA), or placebo. The vaccine candidate was well tolerated with minimal local reactogenicity consisting of mild, short-lived injection site pain and/or tenderness...
October 26, 2016: Vaccine
https://www.readbyqxmd.com/read/27527592/il-36-induced-toxicity-in-neonatal-mice-involves-tnf-%C3%AE-production-by-liver-myeloid-cells
#11
Jennifer Palomo, Beatris Mastelic-Gavillet, Estelle Woldt, Sabina Troccaz, Emiliana Rodriguez, Gaby Palmer, Claire-Anne Siegrist, Cem Gabay
Human and mouse neonates exhibit limited vaccine responses characterized by predominant Th2 and limited Th1 responses. Because IL-36 exerts a synergic adjuvant effect with IL-12, enhancing Th1 polarization in adult (AD) mice, we administered IL-36β to neonatal (1-wk old) and AD control mice at the time of immunization with tetanus toxoid adsorbed to aluminum hydroxide (TT/Alum). Unexpectedly, the combination of IL-36β with TT/Alum, which was well tolerated in AD mice, proved toxic and even lethal in neonates...
September 15, 2016: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/27477844/a-phase-2b-randomized-controlled-trial-of-the-efficacy-of-the-gmz2-malaria-vaccine-in-african-children
#12
Sodiomon B Sirima, Benjamin Mordmüller, Paul Milligan, Ulysse Ateba Ngoa, Fred Kironde, Frank Atuguba, Alfred B Tiono, Saadou Issifou, Mark Kaddumukasa, Oscar Bangre, Clare Flach, Michael Christiansen, Peter Bang, Roma Chilengi, Søren Jepsen, Peter G Kremsner, Michael Theisen
BACKGROUND: GMZ2 is a recombinant protein malaria vaccine, comprising two blood-stage antigens of Plasmodium falciparum, glutamate-rich protein and merozoite surface protein 3. We assessed efficacy of GMZ2 in children in Burkina Faso, Gabon, Ghana and Uganda. METHODS: Children 12-60months old were randomized to receive three injections of either 100μg GMZ2 adjuvanted with aluminum hydroxide or a control vaccine (rabies) four weeks apart and were followed up for six months to measure the incidence of malaria defined as fever or history of fever and a parasite density ⩾5000/μL...
August 31, 2016: Vaccine
https://www.readbyqxmd.com/read/27464022/antibody-response-in-silver-catfish-rhamdia-quelen-immunized-with-a-model-antigen-associated-with-different-adjuvants
#13
T R Pavan, J Di Domenico, K S Kirsten, C O Nied, R Frandoloso, L C Kreutz
Adjuvants are essential to boost the immune response to inoculated antigen and play a central role in vaccine development. In this study, we investigated the efficacy of several adjuvants in the production of anti-bovine serum albumin (BSA) antibodies in silver catfish. Two hundred and seventy juvenile silver catfish (60-80 g) of both sexes were intraperitoneally vaccinated with BSA (200 µg/fish) alone or mixed to the following adjuvants: Freund's complete adjuvant (FCA), Freund's incomplete adjuvant (FIA), aluminum hydroxide (AlOH), Montanide, four types of cytosine-phosphate-guanine (CpG) oligodeoxynucleotides (ODNs) and three concentrations of β-glucan, and the immune enhancing property was evaluated by measuring anti-BSA antibodies in blood samples at biweekly intervals...
July 25, 2016: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/27435429/immunogenicity-and-protective-efficacy-of-rotavirus-vp8-fused-to-cholera-toxin-b-subunit-in-a-mouse-model
#14
Miaoge Xue, Linqi Yu, Lianzhi Jia, Yijian Li, Yuanjun Zeng, Tingdong Li, Shengxiang Ge, Ningshao Xia
In attempts to develop recombinant subunit vaccines against rotavirus disease, it was previously shown that the N-terminal truncated VP8* protein, VP8-1 (aa26-231), is a good vaccine candidate when used for immunization in combination with Freund's adjuvant. However, this protein stimulated only weak immune response when aluminum hydroxide was used as an adjuvant. In this study, the nontoxic B subunit of cholera toxin (CTB) was employed as intra-molecular adjuvant to improve the immunogenicity of VP8-1. Both, the N-terminal and C-terminal fusion proteins, were purified to homogeneity, at which stage they formed pentamers, and showed significantly higher immunogenicity and protective efficacy than a VP8-1/aluminum hydroxide mixture in a mouse model...
November 2016: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/27433013/diatoms-and-diatomaceous-earth-as-novel-poultry-vaccine-adjuvants
#15
A Nazmi, R Hauck, A Davis, M Hildebrand, L B Corbeil, R A Gallardo
Diatoms are single cell eukaryotic microalgae; their surface possesses a porous nanostructured silica cell wall or frustule. Diatomaceous earth (DE) or diatomite is a natural siliceous sediment of diatoms. Since silica has been proved to have adjuvant capabilities, we propose that diatoms and DE may provide an inexpensive and abundant source of adjuvant readily available to use in livestock vaccines.In a first experiment, the safety of diatoms used as an adjuvant for in-ovo vaccination was investigated. In a second experiment, we assessed the humoral immune response after one in-ovo vaccination with inactivated Newcastle Disease Virus (NDV) and DE as adjuvant followed by 2 subcutaneous boosters on d 21 and 29 of age...
July 18, 2016: Poultry Science
https://www.readbyqxmd.com/read/27421722/behavioral-abnormalities-in-female-mice-following-administration-of-aluminum-adjuvants-and-the-human-papillomavirus-hpv-vaccine-gardasil
#16
Rotem Inbar, Ronen Weiss, Lucija Tomljenovic, Maria-Teresa Arango, Yael Deri, Christopher A Shaw, Joab Chapman, Miri Blank, Yehuda Shoenfeld
Vaccine adjuvants and vaccines may induce autoimmune and inflammatory manifestations in susceptible individuals. To date most human vaccine trials utilize aluminum (Al) adjuvants as placebos despite much evidence showing that Al in vaccine-relevant exposures can be toxic to humans and animals. We sought to evaluate the effects of Al adjuvant and the HPV vaccine Gardasil versus the true placebo on behavioral and inflammatory parameters in female mice. Six-week-old C57BL/6 female mice were injected with either, Gardasil, Gardasil + pertussis toxin (Pt), Al hydroxide, or, vehicle control in amounts equivalent to human exposure...
July 16, 2016: Immunologic Research
https://www.readbyqxmd.com/read/27395567/immunogenicity-and-safety-of-a-tetravalent-e-coli-o-antigen-bioconjugate-vaccine-in-animal-models
#17
Germie P J M van den Dobbelsteen, Kellen C Faé, Jan Serroyen, Ingrid M van den Nieuwenhof, Martin Braun, Micha A Haeuptle, Dominique Sirena, Joerg Schneider, Cristina Alaimo, Gerd Lipowsky, Veronica Gambillara-Fonck, Michael Wacker, Jan T Poolman
BACKGROUND: Extra-intestinal pathogenic Escherichia coli (ExPEC) are major human pathogens; however, no protective vaccine is currently available. We assessed in animal models the immunogenicity and safety of a 4-valent E. coli conjugate vaccine (ExPEC-4V, serotypes O1, O2, O6 and O25 conjugated to Exotoxin A from Pseudomonas aeruginosa (EPA)) produced using a novel in vivo bioconjugation method. METHODS: Three doses of ExPEC-4V (with or without aluminum hydroxide) were administered to rabbits (2μg or 20μg per O-antigen, subcutaneously), mice (0...
July 29, 2016: Vaccine
https://www.readbyqxmd.com/read/27388628/the-adjuvant-effect-of-tlr7-agonist-conjugated-to-a-meningococcal-serogroup-c-glycoconjugate-vaccine
#18
Agnese Donadei, Cristiana Balocchi, Francesca Mancini, Daniela Proietti, Simona Gallorini, Derek T O'Hagan, Ugo D'Oro, Francesco Berti, Barbara C Baudner, Roberto Adamo
Conjugation of a small molecule immunopotentiator to antigens has been proposed to deliver the ligand to the receptor, localize its action and minimize systemic inflammation. However, the effect of conjugation of Toll like receptor 7 agonists (TLR7a) on the immunogenicity of carbohydrate-based vaccines is unknown. In this study we synthesized an anti-Neisseria meningitidis serogroup C (MenC) glycoconjugate vaccine composed of MenC oligosaccharide antigens covalently linked to the carrier protein CRM197, to which a TLR7a was in turn conjugated...
October 2016: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/27363202/-pilot-scale-purification-of-rf1-v-fusion-protein-of-yersinia-pestis-and-characterization-of-its-immunogenicity
#19
Ting Fang, Jun Ren, Jinlong Zhang, Kexin Yin, Xiuxu Yang, Rui Yu, Xiaopeng Zhang, Changming Yu
Recombinant Fl-V (rFl-V) fusion protein is the main ingredient of the current candidate vaccine against Yersinia pestis infection, which has been under investigation in clinical trial in USA. We investigated the soluble expression conditions of rF1-V in Escherichia coli BL21 (DE3) that we constructed before. After scale-up and optimization of fermentation processes, we got the optimized fermentation process parameters: the culture was induced at the middle exponential phase with 50 µmol/L of IPTG at 25 °C for 5 h...
January 2016: Sheng Wu Gong Cheng Xue Bao, Chinese Journal of Biotechnology
https://www.readbyqxmd.com/read/27343242/enhancement-of-ovalbumin-specific-th1-th2-and-th17-immune-responses-by-amorphous-silica-nanoparticles
#20
Tsuguto Toda, Shin Yoshino
Nanomaterials present in cosmetics and food additives are used for industrial applications. However, their safety profile is unclear. Amorphous silica nanoparticles (nSPs) are a widely used nanomaterial and have been shown to induce inflammatory cytokines following intratracheal administration in mice. The current study investigated the adjuvant effect of nSP30 (nSP with a diameter of 33 nm) on T helper (Th)1, Th2, and Th17 immune responses as well as immunoglobulin (Ig) levels in mice. BALB/c mice were intraperitoneally administered ovalbumin (OVA) with or without varying doses and varying sizes of nSPs...
September 2016: International Journal of Immunopathology and Pharmacology
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