"The concept of ‘one medicine’ linking disease
diagnosis in human and veterinary patients is gathering momentum internationally.
This meeting focuses on the comparative aspects of allergy research, clinical
diagnosis and therapy in humans and animals". Meeting Chair -
Professor Michael J. Day BSc BVMS(Hons) PhD Dipl
ECVP FASM FRCPath FRCVS, University of Bristol, UK
This
meeting has CPD accreditation
8:45 - 9:30 Registration
9:30
- 9:45 Introduction by the Chair: Professor Michael J. Day, University
of Bristol, UK
9:45 - 10:15
Identification of
the major allergens in saliva of Culicoides nubeculosus (biting midge).
Dr Doug Wilson, University of Bristol, UK
Insect bite hypersensitivity (IBH) is an allergy of horses to the bites of
midges [Culicoides spp.]. Affected horses develop an
acute phase response following intradermal challenge with Culicoides salivary gland proteins followed by a late
phase response in which skin biopsies show increased numbers of infiltrating
T-cells, mast cells, eosinophils and IgE producing B-cells. Symptoms
include pruritis, hair loss, serous effusion and haemorrhage followed by a
chronic dermal fibrosis, and hyperkeratosis. Current research has focused
on identifying the abundant salivary gland proteins of Culicoides that act as
allergens; with a long term goal of developing an effective immunotherapy for
this condition.
10:15 - 10:45 Insect bite hypersensitivity in Iceland
horses
Dr Elaine Marti, University of Bern, Switzerland
10:45 - 11:15 Genetics of Canine Atopic
Dermatitis: A Suitable Model for the Human Condition?
Shona Wood, Faculty of
Veterinary Sciences, The University of Liverpool, UK
The use of canines as a model for
human disease is advantageous because different breeds form genetically
isolated populations in strong linkage disequilibrium. This is of benefit in
genetic study because less genetic markers are required to find an association
with the disease and smaller sample sizes can be used to find these
associations, relative to human genetic studies. My work has focused on
the identification of the genetic factors causing cAD. By using mRNA expression
microarray, qPCR validation and literature searches candidate genes for cAD
have been identified. Moreover a whole genome scan was performed using the
Illumina SNP chip to identify potentially causative SNPs. These data informed a
large scale case/control comparison of SNP frequencies using the Sequenom
platform. I will discuss the results of this study in terms of the similarities
with the human condition and the use of the dog as a disease model for humans.
11:15 - 11:25 Speakers photo
11:25 – 12:00 Mid-morning break and poster viewing
12:00 - 12:30 The pathogenesis of canine atopic dermatitis
Dr Tim Nuttall, The University
of Liverpool, UK
Canine atopic dermatitis (AD) is
a common inflammatory dermatosis with a complex pathogenesis. It is possible
that epidermal barrier defects enhance exposure to allergens, irritants and
micro-organisms. Most cases possess IgE to environmental allergens (10-20% of
cases appear to be non-allergic), which bind to FcεRI on Langerhans cells,
enhancing allergen capture, and mast cells, mediating activation. Acute lesions
are dominated by TH2-type chemokines and cytokines that recruit and activate
eosinophils and other cells. Subsequent self-trauma, keratinocyte activation
and microbial colonisation induce TH1-mediated chronic cell-mediated
inflammation. Failure of T-regulatory cell mechanisms may prevent resolution.
12:30 – 13:00
Talk Title to be confirmed
Dr Petra Roosje, University of Bern, Switzerland
13:00 - 13:10 Introduction to the Biopark
13:10 – 14:00 Lunch
and poster viewing
14:45 - 15:45
Talk to be confirmed
15:45 - 16:00
Afternoon Tea/Coffee and last
poster viewing
16:00 – 16:30 Selected
Oral Presentations
16:30 - 17:00
Mechanisms of allergy and their diagnostic relevance
Dr Carsten B. Schmidt-Weber, Imperial College,
London, UK
Allergy disease are caused by immunologic allergen
tolerance. Recent developments in the understanding of the immune system
dramatically changed our view on the cause of this loss of immune tolerance.
Consequently diagnosis of this immunologic disease requires more comprehensive
approaches.
17:00 - 17:30
Chairman's summing up & close.
18:00
Soiree
at *The Best Western Homestead Court Hotel for all the
participants
About the chair
Professor Michael Day qualified as a veterinary surgeon
from Murdoch University in 1982. After a period in small animal practice he
returned to Murdoch to complete a PhD and Residency in Microbiology and
Immunology. Michael held postdoctoral positions in experimental immunology at
the Universities of Bristol and Oxford, and in 1990 returned to Bristol where
he is currently Professor of Veterinary Pathology and Director of Laboratory
Diagnostic Services. Michael is chairman of the WSAVA Scientific Committee and
Editor-in-Chief of the Journal of Comparative Pathology.
He has been a recipient of the BSAVA Amoroso (1999) and Petsavers (2000, 2005,
2006) Awards and the RCVS Norman Hall Medal (2003).
About the Speakers
Shona
Wood,is a Zoology graduate from the University of Wales, Bangor. Her
experience in canine genetics is gained from time spent as a research
technician at the Centre for Integrated Genomic Medical Research at the
University of Manchester. She is currently funded by the BBSRC and Pfizer
animal health to research the genetics of canine atopic dermatitis for a PhD
degree in the Faculty of Veterinary Science at the University of Liverpool.
Dr Doug Wilson is a Lecturer in virology at the
University of Bristol school of Veterinary Sciences. His main area of
research is the immunology of horses with a special interest in the
immunopathology of Insect Bite Hypersensitivity (IBH).
Dr Tim
Nuttall graduated from The University of Bristol Veterinary School in 1992.
After three years in practice he undertook a residency in veterinary
dermatology followed by a PhD studying canine atopic dermatitis. He then moved
to The University of Liverpool Veterinary School, where he is currently Senior
Lecturer in Veterinary Dermatology. With his colleague Neil McEwan, Tim runs a
busy referral dermatology clinic and has research interests in the genetic
basis of atopic dermatitis, microbial colonisation of the skin and
antimicrobial resistance. Outside of work he enjoys hill walking, mountain
biking, kayaking and single malt whisky.
This meeting was organised
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providing specialist facilities and support for bioscience and health technology
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