Induction and regulation of IL-12-dependent host resistance to Toxoplasma gondii

Alan Sher, Carmen Collazzo, Charles Scanga, Dragana Jankovic, George Yap, Julio Aliberti

Research output: Contribution to journalReview articlepeer-review

84 Scopus citations


Resistance to the intracellular protozoan parasite Toxoplasma gondii is initiated by the induction of interleukin-12 (IL-12), which stimulates interferon (IFN)-γ synthesis by natural killer (NK) cells and T lymphocytes. This review summarizes the work of our laboratory on the mechanisms by which the parasite triggers IL-12 synthesis, and how this response is regulated to avoid the lethal effects of excessive tissue inflammation. In addition, we present an overview of our studies investigating the mechanisms by which the IFN-γ produced as a consequence of IL-12 stimulation controls intracellular replication of the parasite in host cells.

Original languageEnglish (US)
Pages (from-to)521-527
Number of pages7
JournalImmunologic Research
Issue number2-3
StatePublished - 2003
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Immunology


  • Dendritic cells
  • Host resistance
  • IFN-γ
  • IGTP
  • IL-12
  • Toxoplasma gondii


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