Gamma Interferon Fails To Induce Expression of Indoleamine 2,3-Dioxygenase and Does Not Control the Growth of Chlamydophila abortus in BeWo Trophoblast Cells

Author:

Entrican Gary1,Wattegedera Sean1,Chui Michelle1,Oemar Lyn1,Rocchi Mara12,McInnes Colin1

Affiliation:

1. Moredun Research Institute, Pentlands Science Park, Bush Loan, Edinburgh EH26 0PZ

2. Department of Veterinary Clinical Studies, University of Edinburgh, Easter Bush, Edinburgh EH25 9RG, Scotland, United Kingdom

Abstract

ABSTRACT The BeWo trophoblast cell line does not constitutively express the tryptophan degrading enzyme indolamine 2,3-dioxygenase (IDO), nor can IDO expression be induced by gamma interferon. This correlates with the inability of BeWo cells to control the growth of Chlamydophila abortus , in contrast to effects observed in HeLa cells treated with gamma interferon.

Publisher

American Society for Microbiology

Subject

Infectious Diseases,Immunology,Microbiology,Parasitology

Reference26 articles.

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2. Brown J. S. E. M. Howie and G. Entrican. 2001. A role for tryptophan in immune control of chlamydial abortion in sheep. Vet. Immunol. Immunopathol. 82 : 107-119.

3. Chomczynski, P., and N. Sacchi. 1987. Single-step method of RNA isolation by acid guanidine thiocyanate-phenol-chloroform extraction. Analyt. Biochem.162:156-159.

4. Clark, D. A., G. Chaouat, P. C. Arck, H. W. Mittruecker, and G. A. Levy. Cytokine-dependent abortion in CBA × DBA/2 mice is mediated by the procoagulant fgl2 prothombinase. J. Immunol.160:545-549.

5. Dealtry, G. B., M. K. O'Farrell, and N. Fernandez. 2000. The Th2 cytokine environment of the placenta. Int. Arch. Allergy Immunol.123:107-119.

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