Opposing biological functions of tryptophan catabolizing enzymes during intracellular infection

Senad Divanovic, Nancy M. Sawtell, Aurelien Trompette, Jamie I. Warning, Alexandra Dias, Andrea M. Cooper, George S. Yap, Moshe Arditi, Kenichi Shimada, James B. Duhadaway, George C. Prendergast, Randall J. Basaraba, Andrew L. Mellor, David H. Munn, Julio Aliberti, Christopher L. Karp

Research output: Contribution to journalArticle

63 Citations (Scopus)

Abstract

Recent studies have underscored physiological and pathophysiological roles for the tryptophan-degrading enzyme indolamine 2,3-dioxygenase (IDO) in immune counterregulation. However, IDO was first recognized as an antimicrobial effector, restricting tryptophan availability to Toxoplasma gondii and other pathogens in vitro. The biological relevance of these findings came under question when infectious phenotypes were not forthcoming in IDO-deficient mice. The recent discovery of an IDO homolog, IDO-2, suggested that the issue deserved reexamination. IDO inhibition during murine toxoplasmosis led to 100% mortality, with increased parasite burdens and no evident effects on the immune response. Similar studies revealed a counterregulatory role for IDO during leishmaniasis (restraining effector immune responses and parasite clearance), and no evident role for IDO in herpes simplex virus type 1 (HSV-1) infection. Thus, IDO plays biologically important roles in the host response to diverse intracellular infections, but the dominant nature of this role-antimicrobial or immunoregulatory-is pathogen-specific.

Original languageEnglish (US)
Pages (from-to)152-161
Number of pages10
JournalJournal of Infectious Diseases
Volume205
Issue number1
DOIs
StatePublished - Jan 1 2012

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Indoleamine-Pyrrole 2,3,-Dioxygenase
Tryptophan
Enzymes
Infection
Parasites
Leishmaniasis
Toxoplasmosis
Toxoplasma
Human Herpesvirus 1
Virus Diseases
Phenotype

ASJC Scopus subject areas

  • Immunology and Allergy
  • Infectious Diseases

Cite this

Divanovic, S., Sawtell, N. M., Trompette, A., Warning, J. I., Dias, A., Cooper, A. M., ... Karp, C. L. (2012). Opposing biological functions of tryptophan catabolizing enzymes during intracellular infection. Journal of Infectious Diseases, 205(1), 152-161. https://doi.org/10.1093/infdis/jir621

Opposing biological functions of tryptophan catabolizing enzymes during intracellular infection. / Divanovic, Senad; Sawtell, Nancy M.; Trompette, Aurelien; Warning, Jamie I.; Dias, Alexandra; Cooper, Andrea M.; Yap, George S.; Arditi, Moshe; Shimada, Kenichi; Duhadaway, James B.; Prendergast, George C.; Basaraba, Randall J.; Mellor, Andrew L.; Munn, David H.; Aliberti, Julio; Karp, Christopher L.

In: Journal of Infectious Diseases, Vol. 205, No. 1, 01.01.2012, p. 152-161.

Research output: Contribution to journalArticle

Divanovic, S, Sawtell, NM, Trompette, A, Warning, JI, Dias, A, Cooper, AM, Yap, GS, Arditi, M, Shimada, K, Duhadaway, JB, Prendergast, GC, Basaraba, RJ, Mellor, AL, Munn, DH, Aliberti, J & Karp, CL 2012, 'Opposing biological functions of tryptophan catabolizing enzymes during intracellular infection', Journal of Infectious Diseases, vol. 205, no. 1, pp. 152-161. https://doi.org/10.1093/infdis/jir621
Divanovic, Senad ; Sawtell, Nancy M. ; Trompette, Aurelien ; Warning, Jamie I. ; Dias, Alexandra ; Cooper, Andrea M. ; Yap, George S. ; Arditi, Moshe ; Shimada, Kenichi ; Duhadaway, James B. ; Prendergast, George C. ; Basaraba, Randall J. ; Mellor, Andrew L. ; Munn, David H. ; Aliberti, Julio ; Karp, Christopher L. / Opposing biological functions of tryptophan catabolizing enzymes during intracellular infection. In: Journal of Infectious Diseases. 2012 ; Vol. 205, No. 1. pp. 152-161.
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