POSTER: 17^th Avian Immunology Research Group Meeting
 

Dietary fiber supplementation and Campylobacter jejuni effects the cellular immune response in the cecum of broiler chickens
Sina Bagheri¹, Motuma Debelo¹, Dieter Liebhart¹, Claudia Hess¹, Michael Hess¹, Wageha Awad^1
1Clinical Centre for Population Medicine in Fish, Pig and Poultry, Clinical Department for Farm Animals and Food System Science, University of Veterinary Medicine, Vienna, Austria


Absolute cell count highlights the importance of CD4⁺ and CD8⁺ T cells against hepatitis-hydropericardium syndrome (HHS) challenge after vaccination with a fowl adenovirus (FAdV) chimeric fiber protein
Carlotta De Luca^1,2, Anna Schachner², Michael Hess^1,2, Dieter Liebhart¹, Taniya Mitra^1
1Clinical Centre for Population Medicine in Fish, Pig and Poultry, Clinical Department for Farm Animals and Food System Science, University of Veterinary Medicine, Vienna, Austria; ²Christian Doppler Laboratory for Innovative Poultry Vaccines (IPOV), University of Veterinary Medicine, Vienna, Austria


Characterization of a novel chicken γδ TCR specific marker
Veronika Drexel¹, Simon Früh^{1, 2}, Thomas Göbel^1
1Department of Veterinary Immunology, LMU Munich, Germany; ²Department of Veterinary Medicine, Institute of Virology, FU Berlin, Germany


In vitro immunoregulatory potential of A.galli excretory/secretory products
Feix, AS¹, Kjærup, RB¹, Premathilaka, C², Kodithuwakku, S², Fazeli, A², Dalgaard, TS^1
1Department of Animal and Veterinary Sciences, Aarhus University, Tjele, Denmark; ² ERA Chair COMBIVET, Institute of Veterinary Medicine and Animal Sciences, Estonian University of Life Science, Tartu, Estonia


Comparative immune competence analysis of three local chicken breeds
Luise Freier¹, Inga Tiemann², Josefine Stuff², Steffen Weigend³, Maryna Kuryshko⁴, Elsayed M. Abdelwhab⁴, Christian Grund⁵, Ulrike Blohm^1
1Friedrich Loeffler Institut, Institute of Immunology, Greifswald – Insel Riems, Germany; ²Institute of Agricultural Engineering, University of Bonn, Germany; ³Friedrich Loeffler Institut, Institute of Farm Animal Genetics, Neustadt-Mariensee, Germany; ⁴Friedrich Loeffler Institut, Institute of Molecular Virology and Cell Biology, Greifswald – Insel Riems, Germany; ⁵Friedrich Loeffler Institut, Institute of Diagnostic Virology, Greifswald – Insel Riems, Germany


From B cells to T cells – identification of IBDV specific T helper cells by using immunopeptidomics
Samer Halabi¹, Michael Ghosh², Maria Danysz¹, Stefan Stevanović², Hans-Georg Rammensee², Jim Kaufman¹, Sonja Härtle^3
1Institute for Immunology and Infection Research, University of Edinburgh, Edinburgh, United Kingdom; ²Department of Immunology, Institute of Cell Biology, University of Tübingen, Tübingen, Germany; ³Department of Veterinary Sciences, LMU Munich, Planegg, Germany


Inhibition of Marek’s disease virus replication and spread by 25-hydroxycholesterol and 27-hydroxycholesterol in vitro
Nitin Kamble¹, Vishwanatha R. A. P. Reddy^1,2, Ben Jackson¹, Faisal R. Anjum^1,3, Chidiebere C. Ubachukwu¹, Ajit Patil¹, Shahriar Behboudi^1,3
1The Pirbright Institute, Ash Road, Woking, United Kingdom; ²School of Life Sciences, Keele University, Keele, United Kingdom; ³Bristol Veterinary School, University of Bristol, Bristol, United Kingdom
 

Systemic immunomodulatory effects of phytogenic feed additives in Ascaridia galli infected layers

Kjærup, RB¹, Feix, A¹, Thamsborg, SM², Rotovnik, R², Mejer, H², Permin, A³, Dalgaard, TS^1
1Deptartment of Animal and Veterinary Sciences, Aarhus University, Tjele, Denmark; ²Deptartment of Veterinary and Animal Sciences, University of Copenhagen, Denmark; ³Værløse Dyreklinik IVS, Denmark and Unibrains IVS, Denmark


Immunomodulatory effects of Bacillus subtilis DSM 32315 and Bacillus velezensis CECT 5940 on chicken peripheral blood mononuclear cells
F. Larsberg^1,2, M. Sprechert², D. Hesse², G. Loh³, G.A. Brockmann², S. Kreuzer-Redmer^1
1Vetmeduni Vienna, Centre for Animal Nutrition and Animal Welfare Sciences, Vienna Austria; ²Humboldt-Universität zu Berlin, Albrecht Daniel Thaer-Institute, Breeding Biology and Molecular Genetics, Berlin Germany; ³Evonik Operations GmbH – Research, Development & Innovation Nutrition & Care, Hamburg, Germany


Towards flow cytometric profiling of zebra finch leukocytes
Balraj Melepat¹, Karsten Skjødt², Tina Sørensen Dalgaard³, Michal Vinkler^1
1Charles University, Faculty of Science, Department of Zoology, Prague, Czech Republic; ²University of Southern Denmark, Department of Molecular Medicine, Odense, Denmark; ³Aarhus University, Department of Animal and Veterinary Sciences, Blichers Allé, Denmark


Escherichia coli vaccination and chitin feed supplementation as alternative methods to control Ascaridia galli infection in chickens
Moosavi, M^1,2, Kjærup, RB¹, Wattrang, E³, Dalgaard, TS^1
1Department of Animal and Veterinary Sciences, Aarhus University, Tjele, Denmark; ²Department of Poultry Science at Tarbiat Modares University, Tehran, Iran; ³Department of Microbiology, Swedish Veterinary Agency, Uppsala, Sweden


Characterization of regulatory T cells in chickens
Isabell Naumann¹, Bernd Kaspers¹, Simon Früh^1,2, Thomas Göbel¹, Sonja Härtle^1
1Department for Veterinary Sciences, Ludwig-Maximilians-Universität Munich, Munich, Germany; ²Department of Veterinary Medicine, Institute of Virology, Freie Universität Berlin, Berlin, Germany


A class II system strongly expressed in intestinal epithelial cells after helminth worm infection
Aimee Parker¹, Tina Dalgaard² Jim Kaufman^3
1Quadram Institute, Norfolk, United Kingdom; ²Aarhus University, Aarhus, Denmark; ³University of Edinburgh, Edinburgh, United Kingdom


In vitro assessment of immunogenicity and metabolic activity of different gamma-irradiated Escherichia coli strains
Hammad Ur Rehman¹, Sina Bagheri¹, Mohamed Kamal Abdelhamid¹, Surya Paudel², Viskam Wijewardana³ Claudia Hess¹, Michael Hess¹, Dieter Liebhart^1
1Clinical Centre for Population Medicine in Fish, Pig, and Poultry, Clinical Department for Farm Animals and Food System Science, University of Veterinary Medicine Vienna, Austria; ²Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong; ³Animal Production and Health Laboratory, Joint FAO/IAEA Centre of Nuclear Techniques in Food and Agriculture, International Atomic Energy Agency IAEA, Vienna, Austria


Antigenic cartography analysis of chimeric recombinant IBDV strains can be used to identify hypervariable region mutations that induce broadly cross-neutralizing antibody responses against diverse strains
Vishwanatha RAP Reddy^1,2, Sofia Egana-Labrin³, Salik Nazki^1,4, Andrew Broadbent^1,3
1The Pirbright Institute, Ash Road, Woking, UK; ²School of Life Sciences, Keele University, Keele, ST5 5BG, UK; ³Department of Animal and Avian Sciences, University of Maryland, 8127 Regents Drive, College Park, Maryland, 20742, USA; ⁴Institute of Developmental and Regenerative Medicine, IMS Tetsuya Nakamura Building, Old Road Campus, University of Oxford, Oxford, UK


Suppressive effects of cyclic, environmental heat stress on the local and systemic acute inflammatory responses to lipopolysaccharide and on the circulating levels of lymphocytes in broiler chickens
Alessandro J. Rocchi¹, Jossie M. Santamaria¹, Chrysta N. Beck¹, Gisela F. Erf^1
1University of Arkansas System Division of Agriculture, Department of Poultry Science, Fayetteville, Arkansas, USA


Development of an intestinal inflammation model in poultry to apply new solutions modulating innate immunity
J. Schmeisser¹, R. Aureli¹, C. Chatelle¹, P. Jenn¹, C. Iaconis¹, E. Bacou¹, A. Leduc^1
1dsm-firmenich, Animal Nutrition and Health R&D Center, Village Neuf, France


Tenascin-C regulates B-cell migration in developing avian bursa of Fabricius
Ádám Soós¹, Emőke Szőcs¹, Viktória Halasy¹, Nándor Nagy^1
1Semmelweis University, Budapest, Hungary


Conventional dendritic cells limit infectious bronchitis virus in chicken lung
Samantha Sives¹, Emma Armstrong¹, Dominika Borowska¹, Zhiuguang Wu¹, Adam Balic^2,3, Kate Sutton^1
1Division of Immunology, The Roslin Institute and R(D)SVS, University of Edinburgh, UK: ²The Roslin Institute and Royal (Dick) School of Veterinary Studies, The University of Edinburgh, Midlothian, UK; ³Department of Biochemistry and Pharmacology, Bio21 Molecular Science and Biotechnology Institute, The University of Melbourne, Parkville, Victoria, Australia


Characterization and ontogeny of a novel lymphoid follicle inducer cell during development of the bursa of Fabricius
Emőke Szőcs¹, Adam Balic^2,3, Ádám Soós¹, Viktória Halasy¹, Nandor Nagy^1
1Department of Anatomy, Histology and Embryology, Faculty of Medicine, Semmelweis University, Budapest, Hungary; ²The Roslin Institute and Royal (Dick) School of Veterinary Studies, The University of Edinburgh, Midlothian, UK; ³Department of Biochemistry and Pharmacology, Bio21 Molecular Science and Biotechnology Institute, The University of Melbourne, Parkville, Victoria, Australia


Immune response of γδ T cell knockout chickens after Salmonella enterica serovar Enteritidis infection
Felix Tetzlaff¹, Ulrich Methner², Benjamin Schusser³, Christian Menge¹, Angela Berndt^1
1Institute of Molecular Pathogenesis, Friedrich-Loeffler-Institute, Jena, Germany; ²Institute of Bacterial Infections and Zoonoses, Friedrich-Loeffler-Institute, Jena, Germany; ³Reproductive Biotechnology, Department of Molecular Life Sciences, School of Life Sciences Weihenstephan, Technical University Munich, Freising, Germany


The knockout of αβ T cells causes severe cytotoxic reactions in chicken – new insights into the functions of T cell subpopulations
Theresa von Heyl¹, Romina Klinger¹, Dorothea Aumann¹, Christian Zenner¹, Mohanned Alhussien¹, Antonina Schlickenrieder¹, Kamila Lengyel¹, Hanna-Kaisa Vikkula¹, Teresa Mittermair¹, Hicham Sid¹, Benjamin Schusser^1,2*
1Reproductive Biotechnology, TUM School of Life Sciences, Weihenstephan, Freising, Germany; ²Center for Infection Prevention (ZIP), Technical University of Munich, Freising, Germany


Detection and enumeration of Eimeria tenella-specific IFN-γ producing spleen cells and PBMC by ELISpot
Eva Wattrang¹, Osama Ibrahim¹, Anna Lundén^1
1Department of Microbiology, Swedish Veterinary Agency, Uppsala, Sweden


Immune responses of chickens against recombinant Salmonella enterica serotype Infantis flagellar and fimbrial proteins
Hung-Yueh Yeh¹, Jonathan G. Frye¹, Charlene R. Jackson^1
1U.S. Department of Agriculture, Agricultural Research Service, U.S. National Poultry Research Center, Athens, USA



Unveiling intestinal cell diversity: a comprehensive atlas of chicken enteroids and breed-specific variances in broilers and layers
Jianxuan Sun¹, Dominika Borowska¹, Kate Sutton¹, Daniel J. Macqueen¹, Lonneke Vervelde^1,2
1The Roslin Institute, University of Edinburgh, UK; ²Research and Development, Royal GD, Deventer, The Netherlands