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Related Experiment Videos

Th1/Th2 balance in infection.

C Infante-Duarte1, T Kamradt

  • 1Deutsches Rheumaforschungszentrum Berlin, Germany.

Springer Seminars in Immunopathology
|February 10, 2000
PubMed
Summary
This summary is machine-generated.

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T helper (Th) cell cytokines are crucial for fighting infections. Understanding the balance of Th1 and Th2 immune responses is vital for effective treatment and preventing disease complications.

Area of Science:

  • Immunology
  • Infectious Diseases
  • Cellular Biology

Background:

  • T helper (Th) cell-derived cytokines critically influence infectious disease outcomes.
  • The Th1/Th2 cytokine paradigm, while simplified, aids in analyzing immune responses.
  • Specific cytokine profiles can be essential for infection clearance or detrimental.

Purpose of the Study:

  • To review the role of Th1 and Th2 cytokines in infectious diseases.
  • To summarize mechanisms of infectious agents modulating Th1/Th2 responses.
  • To examine the impact of infection-induced cytokine imbalances on autoimmunity and allergy.

Main Methods:

  • Literature review of immune responses in various infectious diseases.
  • Analysis of granuloma formation in response to Mycobacterium tuberculosis and Schistosoma mansoni.

Related Experiment Videos

  • Summary of evidence for cytokine coexpression and modulation by pathogens.

    • Main Results:

    • Both Th1 and Th2 responses can be required, with one sometimes being detrimental.
    • Examples include leishmaniasis, helminth infections, tuberculosis, and schistosomiasis.
    • Coexpression of Th1 and Th2 cytokines in vivo is increasingly recognized.

    Conclusions:

    • The balance and timing of Th1/Th2 responses are critical for controlling infections.
    • Pathogens actively manipulate Th1/Th2 polarization.
    • Cytokine dysregulation during infection has implications for autoimmune and allergic diseases.