Transcriptome and proteome profiling of host responses to Marek's disease virus in chickens.

Vet Immunol Immunopathol

Department of Pathobiology, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada N1G 2W1.

Published: December 2010

AI Article Synopsis

  • Marek's disease (MD) is caused by Marek's disease virus (MDV), which leads to immunosuppression and tumor formation in chickens.
  • Despite effective vaccines and genetically resistant chicken lines, the exact mechanisms of how MDV interacts with its host remain largely unknown.
  • Recent advancements in gene and protein profiling techniques are helping researchers uncover the pathogenesis of MDV, host immunoresponses, and the genetic factors affecting resistance to the disease, including the use of microRNA and RNA interference technologies.

Article Abstract

Marek's disease (MD) is an immunosuppressive and proliferative disease of domestic chickens caused by a highly oncogenic cell-associated alpha-herpesvirus, named Marek's disease virus (MDV). Despite the availability of highly efficacious vaccines for control of MD and existence of lines of chickens which display differential genetic susceptibility or resistance to this disease, little is known about the underlying mechanisms of MDV-host interactions. The recent advent of global or targeted gene and protein expression profiling has paved the way towards gaining a better understanding of host responses to MDV. The main objective of this review is to discuss some of the recent advancements made in relation to elucidating the mechanisms of MDV pathogenesis, host responses to MDV, genetic resistance/susceptibility to MD, and immunity conferred by vaccines. In this regard, particular emphasis has been placed on studies employing proteome and transcriptome profiling approaches. Finally, the utility of microRNA and RNA interference (RNAi) technologies for functional analysis of genes, proteins, and pathways that play a role in the complex interactions between MDV and its host is discussed.

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http://dx.doi.org/10.1016/j.vetimm.2010.10.007DOI Listing

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