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Related Experiment Videos

Amyloid arthropathy in chickens.

W J Landman1

  • 1Animal Health Service, Poultry Health Centre, Deventer, The Netherlands.

The Veterinary Quarterly
|July 31, 1999
PubMed
Summary

This study reviews amyloid arthropathy in chickens, focusing on Enterococcus faecalis. It details pathogenesis, field cases, and identifies chicken joint amyloid as AA type, linked to the SAA gene.

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Area of Science:

  • Avian pathology
  • Immunology
  • Veterinary medicine

Background:

  • Amyloidosis is a complex disease characterized by amyloid protein deposition.
  • Amyloid arthropathy in chickens, particularly linked to Enterococcus faecalis, requires further understanding.
  • Enterococcus faecalis has been implicated in amyloid arthropathy in poultry.

Purpose of the Study:

  • To provide a comprehensive overview of current knowledge on amyloid arthropathy in chickens.
  • To explore the pathogenesis of amyloidosis in general and specifically in birds.
  • To investigate the role of Enterococcus faecalis in the development of amyloid arthropathy.

Main Methods:

  • Review of existing literature on amyloidosis and avian amyloid arthropathy.
  • Analysis of field cases and reported studies on amyloidogenicity.
  • Development and presentation of an animal model for amyloid arthropathy in chickens.
  • Biochemical characterization of amyloid protein and investigation of the serum amyloid A (SAA) gene.

Main Results:

  • Enterococcus faecalis is a significant agent in chicken amyloid arthropathy.
  • An animal model demonstrated the pathogenesis of arthropathic and amyloidogenic E. faecalis infections.
  • Chicken joint amyloid protein was biochemically characterized as AA type.
  • The study investigated the involved serum amyloid A (SAA) gene and its local mRNA expression.

Conclusions:

  • Amyloid arthropathy in chickens is associated with AA type amyloid protein.
  • The serum amyloid A (SAA) gene and its expression play a role in the pathogenesis.
  • Further research into E. faecalis and SAA interactions is warranted for disease control.

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