Serum levels of innate immunity cytokines are elevated in dogs with metaphyseal osteopathy (hypertrophic osteodytrophy) during active disease and remission

Noa Safra, Peta L. Hitchens, Emanual Michael Maverakis, Anupam Mitra, Courtney Korff, Eric G Johnson, Amir Kol, Michael J. Bannasch, Niels C Pedersen, Danika L Bannasch

Research output: Contribution to journalArticle

6 Scopus citations

Abstract

Metaphyseal osteopathy (MO) (hypertrophic osteodystrophy) is a developmental disorder of unexplained etiology affecting dogs during rapid growth. Affected dogs experience relapsing episodes of lytic/sclerotic metaphyseal lesions and systemic inflammation. MO is rare in the general dog population; however, some breeds (Weimaraner, Great Dane and Irish Setter) have a much higher incidence, supporting a hereditary etiology. Autoinflammatory childhood disorders of parallel presentation such as chronic recurrent multifocal osteomyelitis (CRMO), and deficiency of interleukin-1 receptor antagonist (DIRA), involve impaired innate immunity pathways and aberrant cytokine production. Given the similarities between these diseases, we hypothesize that MO is an autoinflammatory disease mediated by cytokines involved in innate immunity. To characterize immune dysregulation in MO dogs we measured serum levels of inflammatory markers in 26 MO and 102 control dogs. MO dogs had significantly higher levels (pg/ml) of serum Interleukin-1beta (IL-1β), IL-18, IL-6, Granulocyte-macrophage colony stimulating factor (GM-CSF), C-X-C motif chemokine 10 (CXCL10), tumor necrosis factor (TNF), and IL-10. Notably, recovered MO dogs were not different from dogs during active MO disease, providing a suggestive mechanism for disease predisposition. This is the first documentation of elevated immune markers in MO dogs, uncovering an immune profile similar to comparable autoinflammatory disorders in children.

Original languageEnglish (US)
Pages (from-to)32-35
Number of pages4
JournalVeterinary Immunology and Immunopathology
Volume179
DOIs
StatePublished - Oct 15 2016

Keywords

  • Autoinflammatory
  • Canine
  • Cytokines
  • Hypertrophic osteodystrophy
  • Innate immunity

ASJC Scopus subject areas

  • Immunology
  • veterinary(all)

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