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2 results on '"Federal funds from National Institute of Allergy and Infectious Diseases"'

1. Scientific Reports

Author

Al Dahouk, Sascha, Köhler, Stephan, Occhialini, Alessandra, Jiménez de Bagüés, María Pilar, Hammerl, Jens Andre, Eisenberg, Tobias, Vergnaud, Gilles, Cloeckaert, Axel, Zygmunt, Michel, Whatmore, Adrian, Melzer, Falk, Drees, Kevin, Foster, Jeffrey, Wattam, Alice, Scholz, Holger, Department of Biological Safety, Bundesinstitut für Risikobewertung - Federal Institute for Risk Assessment (BfR), Institut de Recherche en Infectiologie de Montpellier (IRIM), Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier (UM), Unidad de Producción y Sanidad Animal, Centro de Investigación y Tecnología Agroalimentaria, Instituto Agroalimentario de Aragón, University of Zaragoza - Universidad de Zaragoza [Zaragoza], Landesbetrieb Hessisches Landeslabor, Institut de génétique et microbiologie [Orsay] (IGM), Université Paris-Sud - Paris 11 (UP11)-Centre National de la Recherche Scientifique (CNRS), Infectiologie Animale et Santé Publique - IASP (Nouzilly, France), Institut National de la Recherche Agronomique (INRA), German National Reference Laboratory for Animal Brucellosis, Federal Research Institute for Animal Health - Friedrich-Loeffler-Institut, Northern Arizona University [Flagstaff], Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), Centre d’études d’Agents Pathogènes et Biotechologies pour la Santé (CPBS), Université Paris Sud (Paris 11), Centre National de la Recherche Scientifique (CNRS), Commissariat à l'énergie atomique et aux énergies alternatives (CEA), Université Paris-Saclay, Animal and Plant Health Agency (APHA), Department of Molecular, Cellular, and Biomedical Sciences, University of New Hampshire (UNH), Biocomplexity Institute of Virginia Tech [Blacksburg], Virginia Tech [Blacksburg], Bundeswehr Institute of Microbiology, Federal funds from National Institute of Allergy and Infectious Diseases, National Institutes of Health, Department of Health and Human Services HHSN272201400027C, Spanish grant INIA-RTA2013-00065-C02-01, Federal Institute for Risk Assessment, Germany 1329-485, Food and Rural Affairs at German Federal Institute SE0314 SE0316, Department of Environment, Federal Ministry of Food and Agriculture 47-003 1322-503 1322-619, Hessian Ministry of Environment, Climate Change, Agriculture and Consumer Protection, French DGA (Direction Generale de l'Armement) via the MicroType project ANR-14-ASMA-0002-02, European Defence Agency (EDA), Université de Montpellier (UM), UR Infectiologie animale et Santé publique (UR IASP), Bundeswehr Institute of Microbiology, Department of Bacteriology, Munich, Germany, RWTH Aachen University, Centro de Investigacion y Tecnologia Agroalimentaria de Aragon (CITA), Institut de Biologie Intégrative de la Cellule (I2BC), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Infectiologie et Santé Publique (UMR ISP), Institut National de la Recherche Agronomique (INRA)-Université de Tours (UT), Animal and Plant Health Agency [Addlestone, UK] (APHA), Friedrich-Loeffler-Institut (FLI), German Center for Infection Research, Partnersite Munich (DZIF), Rheinisch-Westfälische Technische Hochschule Aachen University (RWTH), Centro de Investigación y Tecnología Agroalimentaria de Aragón (CITA), and Institut National de la Recherche Agronomique (INRA)-Université de Tours

Subjects
phylogénétique, [SDV.BIO]Life Sciences [q-bio]/Biotechnology, [SDV]Life Sciences [q-bio], analysis resource, murine models, Tanzania, Mice, Germany, phénotypage, GeneralLiterature_REFERENCE(e.g.,dictionaries,encyclopedias,glossaries), Transmisión de enfermedades, Phylogeny, Mice, Inbred BALB C, amphibians, monocyte-derived macrophages, lipopolysaccharide, comparative sequence, mammifère, genetic diversity, Brucelosis, Biological Evolution, Brucellaceae, bacterial bioinformatics database, melitensis 16m, vole microtus-arvalis, [SDV.MP]Life Sciences [q-bio]/Microbiology and Parasitology, Liver, Flagella, Host-Pathogen Interactions, Anura, Autre (Sciences du Vivant), [SDV.OT]Life Sciences [q-bio]/Other [q-bio.OT], Biotechnologies, macrophage, Anfibios, brucella spp, Article, Cell Line, Genetic Heterogeneity, Bacterial Proteins, death, Animals, mammals, analyse moléculaire, Mamíferos, Macrophages, amphibien, Gene Expression Regulation, Bacterial, Brucella, [SDV.MP.BAC]Life Sciences [q-bio]/Microbiology and Parasitology/Bacteriology, infection, Producción y sanidad animal, Animals, Zoo, souche bactérienne, Gram-Negative Bacterial Infections, Spleen, Multilocus Sequence Typing
Abstract

Scientific reports 7, 44420 (2017). doi:10.1038/srep44420, Published by Nature Publishing Group, London

Published
2017
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2. Differential Activation of Human TLR4 by Escherichia coli and Shigella flexneri 2a Lipopolysaccharide: Combined Effects of Lipid A Acylation State and TLR4 Polymorphisms on Signaling

Author

Yukari Fujimoto, Koichi Fukase, Shoichi Kusumoto, Prasad Rallabhandi, Marcelo B. Sztein, Armelle Phalipon, Nilofer Qureshi, Agnes A. Awomoyi, Stefanie N. Vogel, Karen E. Thomas, Department of Microbiology and Immunology [Baltimore, USA], University of Maryland School of Medicine, University of Maryland System-University of Maryland System, Institut Pasteur [Paris], Osaka University [Osaka], University of Missouri School of Medicine, University of Missouri System, Center for Vaccine Development and Global Health [Baltimore, USA] (CVD), This work was supported, in part, with federal funds from National Institute of Allergy and Infectious Diseases, National Institutes of Health, Department of Health and Human Services, under Contract No. N01-AI-30028 (to M.B.S.) and Grants AI057927 (to M.B.S.), AI18797 (to S.N.V.), and GM50870 (to N.Q.)., We thank Ashley S. Beasley and Robert J. Cotter, Johns Hopkins University School of Medicine, for carrying out MS analysis of lipid A preparations., and Institut Pasteur [Paris] (IP)

Subjects
Lipopolysaccharides, Lipopolysaccharide, Acylation, medicine.medical_treatment, Immunology, Biology, Transfection, medicine.disease_cause, Polymorphism, Single Nucleotide, Peripheral blood mononuclear cell, Article, Cell Line, Shigella flexneri, Microbiology, Lipid A, Mice, 03 medical and health sciences, chemistry.chemical_compound, 0302 clinical medicine, Genes, Reporter, Escherichia coli, medicine, Animals, Humans, Immunology and Allergy, Luciferases, 030304 developmental biology, 0303 health sciences, NF-kappa B, biology.organism_classification, [SDV.MP.BAC]Life Sciences [q-bio]/Microbiology and Parasitology/Bacteriology, 3. Good health, Mice, Inbred C57BL, Toll-Like Receptor 4, Cytokine, Amino Acid Substitution, chemistry, Bacterial Vaccines, TLR4, Cytokines, lipids (amino acids, peptides, and proteins), Signal Transduction, 030215 immunology
Abstract

The lipid A of LPS activates TLR4 through an interaction with myeloid differentiation protein-2 (MD-2) and the degree of lipid A acylation affects TLR4 responsiveness. Two TLR4 single nucleotide polymorphisms (Asp299Gly and Thr399Ile) have been associated with LPS hyporesponsiveness. We hypothesized that the combination of hypoacylation and these single nucleotide polymorphisms would exhibit a compounded effect on TLR4 signaling. HEK293T transfectants expressing wild-type or polymorphic TLR4 were stimulated with Escherichia coli (predominantly hexaacylated lipid A) or Shigella flexneri 2a (a mixture of hexaacylated, pentaacylated, and predominantly tetraacylated lipid A) LPS, or hexaacylated vs pentaacylated synthetic lipid As. NF-κB-reporter activity was significantly lower in response to S. flexneri 2a than E. coli LPS and further decreased in polymorphic transfectants. Neither hexaacylated nor pentaacylated synthetic lipid A induced NF-κB activity in wild-type transfectants under the identical transfection conditions used for LPS; however, increasing human MD-2 expression rescued responsiveness to hexaacylated lipid A only, while murine MD-2 was required to elicit a response to pentaacylated lipid A. Adherent PBMC of healthy volunteers were also compared for LPS-induced TNF-α, IL-6, IL-1β, and IL-10 production. Cytokine levels were significantly lower (∼20–90%) in response to S. flexneri than to E. coli LPS/lipid A and PBMC from polymorphic individuals secreted decreased cytokine levels in response to both LPS types and failed to respond to pentaacylated lipid A. Thus, the combination of acylation state and host genetics may significantly impact vaccine immunogenicity and/or efficacy, whether LPS is an integral component of a whole organism vaccine or included as an adjuvant.

Published
2008
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