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Related Experiment Videos

Transforming growth factor-beta: innately bipolar.

Sharon M Wahl1

  • 1Oral Infection and Immunity Branch, National Institute of Dental and Craniofacial Research (NIDCR), National Institutes of Health (NIH), Bethesda, MD 20892-4352, USA. smwahl@dir.nidcr.nih.gov

Current Opinion in Immunology
|December 2, 2006
PubMed
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Transforming growth factor beta (TGF-beta) exhibits a dual role in immunity, suppressing adaptive responses while paradoxically promoting innate immunity. Imbalances in TGF-beta

Area of Science:

  • Immunology
  • Cellular Biology

Background:

  • Transforming growth factor beta (TGF-beta) is known for its immune-suppressive functions, particularly in adaptive immunity.
  • Recent research highlights a more complex, bipolar role for TGF-beta in immune responses.

Purpose of the Study:

  • To explore the paradoxical functions of TGF-beta in both adaptive and innate immunity.
  • To elucidate the mechanisms underlying TGF-beta's opposing effects on immune cells.

Main Methods:

  • Review of existing literature on TGF-beta's immunomodulatory functions.
  • Analysis of studies investigating TGF-beta's impact on Treg, Th17, NK cells, and mast cells.

Main Results:

  • TGF-beta suppresses adaptive immunity by regulating Treg development and inhibiting cellular activation.

Related Experiment Videos

  • Paradoxically, TGF-beta initiates innate responses by recruiting immune cells and promoting Th17 differentiation.
  • TGF-beta also suppresses innate cells like NK cells and bridges mast cells with Treg.

    • Conclusions:

    • TGF-beta possesses a bipolar nature, crucial for both immune suppression and initiation.
    • Disruption of the delicate balance of TGF-beta's functions contributes to immunopathogenicity.