Differences in intestinal gene expression proflies in broiler lines varying in susceptibility to malabsorption syndrome

S. van Hemert, A.J.W. Hoekman, M.A. Smits, J.M.J. Rebel

Research output: Contribution to journalArticleAcademicpeer-review

17 Citations (Scopus)

Abstract

Examination of the host gene expression response upon encounters with pathogens may provide insights into the cellular events following an infection. In addition, it may shed light on the basic mechanisms underlying differences in the susceptibility of the host. In this study gene expression in the chicken jejunum was investigated in 2 different broiler lines under control and malabsorption syndrome (MAS) affected conditions. The 2 broiler lines differ in their susceptibility for MAS. The gene expression was investigated at 6 different times post-inoculation using a custom-made intestine specific cDNA microarray. More than 70 up- or downregulated genes were identified after a MAS inoculation in both broiler lines. However, the number of the up- and downregulated genes varied between the 2 lines, with more differences in expression in the most susceptible line. Marked differences were observed in expression profiles between the 2 broiler lines, in control as well as in the MAS affected birds. The microarray data were validated and confirmed by quantitative real time PCR. The differentially expressed genes included immune related genes, genes associated with food absorption, and genes that need to be characterized further before their role in MAS and MAS susceptibility can be understood.
Original languageEnglish
Pages (from-to)1675-1682
JournalPoultry Science
Volume83
Issue number10
DOIs
Publication statusPublished - 2004

Fingerprint

malabsorption
broiler chickens
gene expression
genes
jejunum
quantitative polymerase chain reaction
intestines
chickens
pathogens
birds
infection

Keywords

  • disease resistance
  • cdna microarray
  • mareks-disease
  • chicken
  • generation
  • programs
  • reovirus
  • impact

Cite this

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title = "Differences in intestinal gene expression proflies in broiler lines varying in susceptibility to malabsorption syndrome",
abstract = "Examination of the host gene expression response upon encounters with pathogens may provide insights into the cellular events following an infection. In addition, it may shed light on the basic mechanisms underlying differences in the susceptibility of the host. In this study gene expression in the chicken jejunum was investigated in 2 different broiler lines under control and malabsorption syndrome (MAS) affected conditions. The 2 broiler lines differ in their susceptibility for MAS. The gene expression was investigated at 6 different times post-inoculation using a custom-made intestine specific cDNA microarray. More than 70 up- or downregulated genes were identified after a MAS inoculation in both broiler lines. However, the number of the up- and downregulated genes varied between the 2 lines, with more differences in expression in the most susceptible line. Marked differences were observed in expression profiles between the 2 broiler lines, in control as well as in the MAS affected birds. The microarray data were validated and confirmed by quantitative real time PCR. The differentially expressed genes included immune related genes, genes associated with food absorption, and genes that need to be characterized further before their role in MAS and MAS susceptibility can be understood.",
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Differences in intestinal gene expression proflies in broiler lines varying in susceptibility to malabsorption syndrome. / van Hemert, S.; Hoekman, A.J.W.; Smits, M.A.; Rebel, J.M.J.

In: Poultry Science, Vol. 83, No. 10, 2004, p. 1675-1682.

Research output: Contribution to journalArticleAcademicpeer-review

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