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aluminium adjuvant

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https://www.readbyqxmd.com/read/29659491/antivenom-production-against-bothrops-jararaca-and-bothrops-erythromelas-snake-venoms-using-cross-linked-chitosan-nanoparticles-as-an-immunoadjuvant
#1
Karla Samara Rocha Soares, Fiamma Gláucia-Silva, Alessandra Daniele-Silva, Manoela Torres-Rêgo, Nathália Kelly de Araújo, Yamara Arruda Silva de Menezes, Igor Zumba Damasceno, Denise Vilarinho Tambourgi, Arnóbio Antônio da Silva-Júnior, Matheus de Freitas Fernandes-Pedrosa
In Brazil, envenomation by snakes of the genus Bothrops is clinically relevant, particularly for the species Bothrops jararaca and B. erythromelas . The most effective treatment for envenomation by snakes is the administration of antivenoms associated with adjuvants. Novel adjuvants are required to reduce side effects and maximize the efficiency of conventional serum and vaccine formulations. The polymer chitosan has been shown to have immunoadjuvant properties, and it has been used as a platform for delivery systems...
April 16, 2018: Toxins
https://www.readbyqxmd.com/read/29526635/perspective-scientific-and-ethical-concerns-pertaining-to-animal-models-of-autoimmune-autoinflammatory-syndrome-induced-by-adjuvants-asia
#2
REVIEW
Rohan Ameratunga, Daman Langguth, David Hawkes
The autoimmune/autoinflammatory syndrome induced by adjuvants (ASIA) was first described in 2011. The aluminium containing adjuvants of vaccines were stated to be one of the main causes of the condition. Other disorders associated with ASIA include siliconosis, Gulf war syndrome, sick building syndrome and the macrophagic myositis syndrome. We have recently reviewed ASIA as defined by its authors. We have shown that the definition of ASIA is imprecise and includes all patients with an autoimmune disorder as well as potentially the entire population...
March 8, 2018: Autoimmunity Reviews
https://www.readbyqxmd.com/read/29512885/altered-vaccine-induced-immunity-in-children-with-dravet-syndrome
#3
Stéphane Auvin, Mohamed Jeljeli, Béatrice Desnous, Nadia Soussi-Yanicostas, Pascal Dournaud, Ghislaine Sterkers
Dravet syndrome (DS) is a refractory epileptic syndrome. Vaccination is the trigger of the first seizure in about 50% of cases. Fever remains a trigger of seizures during the course of the disease. We compared ex vivo cytokine responses to a combined aluminium-adjuvanted vaccine of children with DS to sex- and age-matched heathy children. Using ex vivo cytokine responses of peripheral-blood mononuclear cells and monocytes, we found that vaccine responsiveness is biased toward a proinflammatory profile in DS with a M1 phenotype of monocytes...
March 7, 2018: Epilepsia
https://www.readbyqxmd.com/read/29510253/aluminum-adjuvant-potentiates-gilthead-seabream-immune-responses-but-induces-toxicity-in-splenic-melanomacrophage-centers
#4
Jorge Galindo-Villegas, Alicia García-Alcazar, José Meseguer, Victoriano Mulero
A key goal of a successful vaccine formulation is the strong induction of persistent protective immune responses without producing side-effects. Adjuvants have been proved to be successful in several species at inducing increased immune responses against poorly immunogenic antigens. Fish are not the exception and promising results of adjuvanted vaccine formulations in many species are needed. In this study, over a period of 300 days, we characterized the apparent damage and immune response in gilthead seabream immunized by intraperitoneal injection with the model antigen keyhole limpet hemocyanin (KLH) alone or formulated with Montanide ISA water-in-oil (761 or 763), or Imject™ aluminum hydroxide (aluminium), as adjuvants...
March 3, 2018: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29496416/aluminium-al-speciation-in-serum-and-urine-after-subcutaneous-venom-immunotherapy-with-al-as-adjuvant
#5
Bernhard Michalke, Matthias F Kramer, Randolf Brehler
BACKGROUND: Aluminium is associated with disorders and is the commonly used vaccine adjuvant. Understanding the mechanisms of how Al is transported, metabolized or of its toxicity depends on the knowledge of Al-interactions with bioligands, i.e. Al-species. Al-speciation in serum is difficult because of low concentration and the risk of exogenous Al contamination. Furthermore, Al-measurements may be hampered according to various interferences. This study aims for developing quality controlled protocols for reliable Al- and Al-species determination and for investigating probable differences in Al (-speciation) after Al-containing subcutaneous immunotherapy (SIT)...
February 21, 2018: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/29410031/intraperitoneal-administration-of-aluminium-based-adjuvants-produces-severe-transient-systemic-adverse-events-in-mice
#6
Sandra N Freiberger, Deborah S Leuthard, Agathe Duda, Emmanuel Contassot, Michaela Thallmair, Thomas M Kündig, Pål Johansen
Vaccines typically come with adjuvants that trigger the innate immune system in order to prepare best possible inflammatory conditions as to allow the adaptive immune system to become activated, generally for the induction of antibodies. The oldest approved and most abundant immunological adjuvants are salts of aluminium, which are also frequently used in animal models of immunisation and allergy desensitization. In rodents, the intraperitoneal administration of aluminium adjuvants is commonly performed and considered safe...
March 30, 2018: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29387566/moringa-oleifera-extract-lam-attenuates-aluminium-phosphide-induced-acute-cardiac-toxicity-in-rats
#7
Ahmed S Gouda, Nagla A El-Nabarawy, Samah F Ibrahim
Background: Moringa oleifera extract (Lam) has many antioxidant and protective properties. Objective: to investigate the antioxidant activities of Lam in counteracting the high oxidative stress caused by acute sub-lethal aluminium phosphide (AlP) intoxication in rat heart. These activities will be detected by histopathological examination and some oxidative stress biomarkers. Methods: a single sub-lethal dose of Alp (2 mg/kg body weight) was administered orally, and Lam was given orally at a dose (100 mg/kg body weight) one hour after receiving AlP to rats...
2018: Toxicology Reports
https://www.readbyqxmd.com/read/29386070/down-selecting-adjuvanted-vaccine-formulations-a-comparative-method-for-harmonized-evaluation
#8
Sumera Y Younis, Christophe Barnier-Quer, Simon Heuking, Vinod Sommandas, Livia Brunner, Nicole Vd Werff, Patrice Dubois, Martin Friede, Clemens Kocken, Nicolas Collin, Ed Remarque
BACKGROUND: The need for rapid and accurate comparison of panels of adjuvanted vaccine formulations and subsequent rational down selection, presents several challenges for modern vaccine development. Here we describe a method which may enable vaccine and adjuvant developers to compare antigen/adjuvant combinations in a harmonized fashion. Three reference antigens: Plasmodium falciparum apical membrane antigen 1 (AMA1), hepatitis B virus surface antigen (HBsAg), and Mycobacterium tuberculosis antigen 85A (Ag85A), were selected as model antigens and were each formulated with three adjuvants: aluminium oxyhydroxide, squalene-in-water emulsion, and a liposome formulation mixed with the purified saponin fraction QS21...
January 31, 2018: BMC Immunology
https://www.readbyqxmd.com/read/29239784/new-perspectives-for-natural-triterpene-glycosides-as-potential-adjuvants
#9
Marie-Aleth Lacaille-Dubois, Hildebert Wagner
BACKGROUND: Triterpene glycosides are a vast group of secondary metabolites widely distributed in plants including a high number of biologically active compounds. The pharmacological potential is evaluated by using many bioassays particularly in the field of cancerology, immunology, and microbiology. The adjuvant concept is well known for these molecules in vaccines, but there is little preclinical evidence to support this concept in the management of cancer, infections and inflammation...
November 7, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/29235395/adjuvant-activity-of-ethanol-extract-of-hippophae-rhamnoides-leaves-with-inactivated-rabies-virus-antigen
#10
D Singh, B Jayashankar, K P Mishra, H Tanwar, S N Madhusudana, A Y Belludi, R Tulsawani, S B Singh, L Ganju
CONTEXT: Hippophae rhamnoides L. (Elaeagnaceae), commonly known as seabuckthorn (SBT), is known for its medicinal and nutritional properties. OBJECTIVE: Evaluation of in vivo adjuvant activity of SBT leaf extract (SBTE) with inactivated rabies virus antigen (Rb). MATERIALS AND METHODS: Swiss albino mice were immunized with aqueous-alcoholic SBTE (100 mg/kg body weight) or algel (aluminium hydroxide gel) with or without Rb (5% v/v). After priming, booster was administered on day 14...
December 2018: Pharmaceutical Biology
https://www.readbyqxmd.com/read/29221615/is-exposure-to-aluminium-adjuvants-associated-with-social-impairments-in-mice-a-pilot-study
#11
Sneha K S Sheth, Yongling Li, Christopher A Shaw
BACKGROUND: Our group has shown that significant correlations exist between rates of Autism Spectrum Disorder (ASD) and total aluminum adjuvants given to children through vaccines in several Western countries. These correlations satisfied eight out of nine Hill criteria for causality. Experimental studies have demonstrated a range of behavioural abnormalities in young mice after postnatal exposure to aluminium. To build on our previous work, the current study will investigate the effect of aluminium adjuvants on social behaviour in mice...
November 21, 2017: Journal of Inorganic Biochemistry
https://www.readbyqxmd.com/read/29217375/preliminary-aggregate-safety-and-immunogenicity-results-from-three-trials-of-a-purified-inactivated-zika-virus-vaccine-candidate-phase-1-randomised-double-blind-placebo-controlled-clinical-trials
#12
Kayvon Modjarrad, Leyi Lin, Sarah L George, Kathryn E Stephenson, Kenneth H Eckels, Rafael A De La Barrera, Richard G Jarman, Erica Sondergaard, Janice Tennant, Jessica L Ansel, Kristin Mills, Michael Koren, Merlin L Robb, Jill Barrett, Jason Thompson, Alison E Kosel, Peter Dawson, Andrew Hale, C Sabrina Tan, Stephen R Walsh, Keith E Meyer, James Brien, Trevor A Crowell, Azra Blazevic, Karla Mosby, Rafael A Larocca, Peter Abbink, Michael Boyd, Christine A Bricault, Michael S Seaman, Anne Basil, Melissa Walsh, Veronica Tonwe, Daniel F Hoft, Stephen J Thomas, Dan H Barouch, Nelson L Michael
BACKGROUND: A safe, effective, and rapidly scalable vaccine against Zika virus infection is needed. We developed a purified formalin-inactivated Zika virus vaccine (ZPIV) candidate that showed protection in mice and non-human primates against viraemia after Zika virus challenge. Here we present the preliminary results in human beings. METHODS: We did three phase 1, placebo-controlled, double-blind trials of ZPIV with aluminium hydroxide adjuvant. In all three studies, healthy adults were randomly assigned by a computer-generated list to receive 5 μg ZPIV or saline placebo, in a ratio of 4:1 at Walter Reed Army Institute of Research, Silver Spring, MD, USA, or of 5:1 at Saint Louis University, Saint Louis, MO, USA, and Beth Israel Deaconess Medical Center, Boston, MA, USA...
December 4, 2017: Lancet
https://www.readbyqxmd.com/read/29211241/parenteral-adjuvant-potential-of-recombinant-b-subunit-of-escherichia-coli-heat-labile-enterotoxin
#13
Carlos Eduardo Pouey da Cunha, Clóvis Moreira, Andréa da Silva Ramos Rocha, Paula Fonseca Finger, Carolina Georg Magalhães, Marcos Roberto Alves Ferreira, Odir Antônio Dellagostin, Ângela Nunes Moreira, Fabricio Rochedo Conceição
BACKGROUND: The B subunit of Escherichia coli heat-labile enterotoxin (LTB) is a potent mucosal immune adjuvant. However, there is little information about LTB's potential as a parenteral adjuvant. OBJECTIVES: We aimed at evaluating and better understanding rLTB's potential as a parenteral adjuvant using the fused R1 repeat of Mycoplasma hyopneumoniae P97 adhesin as an antigen to characterise the humoral immune response induced by this construct and comparing it to that generated when aluminium hydroxide is used as adjuvant instead...
December 2017: Memórias do Instituto Oswaldo Cruz
https://www.readbyqxmd.com/read/29205874/establishment-of-experimental-autoimmune-prostatitis-model-by-t-2-peptide-in-aluminium-hydroxide-adjuvant
#14
L Zhang, A U Ihsan, Y Cao, Y Cheng, X Zhou
A mouse model was developed to simulate the clinical features of chronic prostatitis/chronic pelvic pain syndrome using peptide (T2 ). Forty C57BL/6 mice were divided into four groups of 10 mice each, averagely and randomly. T2 plus aluminium hydroxide adjuvant group was given subcutaneous injection with the emulsion mixture of T2 and aluminium hydroxide adjuvant, the T2 group with T2 , the aluminium hydroxide adjuvant group with aluminium hydroxide adjuvant and the normal control group with 0.9/% NaCl solution...
April 2018: Andrologia
https://www.readbyqxmd.com/read/29181774/sequestering-of-damage-associated-molecular-patterns-damps-a-possible-mechanism-affecting-the-immune-stimulating-properties-of-aluminium-adjuvants
#15
Andreas Svensson, Tove Sandberg, Peter Siesjö, Håkan Eriksson
Aluminium-based adjuvants (ABAs) have been used in human and veterinary vaccines for decades, and for a long time, the adjuvant properties were believed to be mediated by an antigen depot at the injection site, prolonging antigen exposure to the immune system. The depot hypothesis is today more or less abandoned, and instead replaced by the assumption that ABAs induce an inflammation at the injection site. Induction of an inflammatory response is consistent with immune activation initiated by recognition of molecular patterns associated with danger or damage (DAMPs), and the latter are derived from endogenous molecules that normally reside intracellularly...
December 2017: Immunologic Research
https://www.readbyqxmd.com/read/29070075/marburg-virus-like-particles-by-co-expression-of-glycoprotein-and-matrix-protein-in-insect-cells-induces-immune-responses-in-mice
#16
Weiwei Gai, Xuexing Zheng, Chong Wang, Hualei Wang, Yongkun Zhao, Qi Wang, Gary Wong, Weijiao Zhang, Na Feng, Boning Qiu, Hang Chi, Nan Li, Tiecheng Wang, Yuwei Gao, Junjie Shan, Songtao Yang, Xianzhu Xia
BACKGROUND: Marburg virus (MARV) causes severe haemorrhagic fever in humans and nonhuman primates and has a high mortality rate. However, effective drugs or licensed vaccines are not currently available to control the outbreak and spread of this disease. METHODS: In this study, we generated MARV virus-like particles (VLPs) by co-expressing the glycoprotein (GP) and matrix protein (VP40) using the baculovirus expression system. MARV VLPs and three adjuvants, Poria cocos polysaccharide (PCP-II), poly(I:C) and aluminium hydroxide, were evaluated after intramuscular vaccination in mice...
October 25, 2017: Virology Journal
https://www.readbyqxmd.com/read/29017943/efficacy-and-safety-of-a-non-mineral-oil-adjuvanted-injectable-vaccine-for-the-protection-of-atlantic-salmon-salmo-salar-l-against-flavobacterium-psychrophilum
#17
R Hoare, S-J Jung, T P H Ngo, K Bartie, J Bailey, K D Thompson, A Adams
Flavobacterium psychrophilum is the causative agent of Rainbow Trout Fry Syndrome which has had a major impact on global salmonid aquaculture. Recent outbreaks in Atlantic salmon in Scotland and Chile have added to the need for a vaccine to protect both salmon and trout. At present no licensed vaccines are available in Europe, leaving antibiotics as the only course of action to contain disease outbreaks. Outbreaks generally occur in fry at temperatures between 10 and 15 °C. Recently outbreaks in larger fish have given added impetus to the development of a vaccine which can provide long term protection from this highly heterogeneous pathogen...
October 7, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28960714/feline-vaccine-associated-sarcomagenesis-is-there-an-inflammation-independent-role-for-aluminium
#18
M A AbdelMageed, P Foltopoulou, E A McNiel
Aluminium has been found in feline vaccine-associated sarcomas. In this study, we investigated the potential for aluminium to contribute directly to tumourigenesis. Our results indicated that an aluminium hydroxide adjuvant preparation was cytotoxic and mutagenic in human-Chinese hamster ovary (CHO) hybrid cells in vitro. Moreover, CHO cells deficient in DNA double strand break (DSB), but not single-strand break (SSB), repair, were particularly sensitive to aluminium exposure compared with repair proficient cells, suggesting that aluminium is associated with DSBs...
September 28, 2017: Veterinary and Comparative Oncology
https://www.readbyqxmd.com/read/28752219/the-putative-role-of-environmental-aluminium-in-the-development-of-chronic-neuropathology-in-adults-and-children-how-strong-is-the-evidence-and-what-could-be-the-mechanisms-involved
#19
REVIEW
Gerwyn Morris, Basant K Puri, Richard E Frye
The conceptualisation of autistic spectrum disorder and Alzheimer's disease has undergone something of a paradigm shift in recent years and rather than being viewed as single illnesses with a unitary pathogenesis and pathophysiology they are increasingly considered to be heterogeneous syndromes with a complex multifactorial aetiopathogenesis, involving a highly complex and diverse combination of genetic, epigenetic and environmental factors. One such environmental factor implicated as a potential cause in both syndromes is aluminium, as an element or as part of a salt, received, for example, in oral form or as an adjuvant...
July 27, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28664569/development-and-assessment-of-a-new-cage-like-particle-adjuvant
#20
Daiana Bertona, Nazarena Pujato, Iván Bontempi, Verónica Gonzalez, Gabriel Cabrera, Luis Gugliotta, Daniela Hozbor, Alcides Nicastro, Luis Calvinho, Iván Sergio Marcipar
OBJECTIVES: To obtain and assess stable cage-like particles with low surface charge density, which can be prepared using a standardized, economic and scalable method. METHODS: To form these nanoparticles, the lipid composition and proportion as well the method were modified in relation to cage-like particles previously described elsewhere. Bovine albumin was used to compare ISPA performance with that of other adjuvants in mice and to assess stability. Adjuvant efficacy was analysed using a mouse model of Trypanosoma cruzi infection, which shows protection against an intracellular infection that needs a strong cellular response...
June 30, 2017: Journal of Pharmacy and Pharmacology
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