Functional spectrum of γδ T cells in perinatal infectious diseases

Ines Lorga1, Ximena Léon-Lara1, Sarina Ravens2

  • 1Institute of Immunology, Hannover Medical School, 30625 Hannover, Germany.

Immunology Letters
|March 11, 2026
PubMed

Insights

Gamma delta (γδ) T cells are crucial early immune cells. This review details their development and diverse functions, highlighting their vital role in protecting newborns.

Area of Science:

  • Immunology
  • Developmental Biology
  • Cellular Biology

Background:

  • Gamma delta (γδ) T cells are an early T cell lineage, present from birth.
  • Distinct developmental waves during gestation shape γδ T cells with specific functions.
  • These cells are critical for immune homeostasis and early-life protection.

Purpose of the Study:

  • To review current knowledge on γδ T cell development and maturation.
  • To summarize the functional roles of γδ T cells in utero and postnatally.
  • To emphasize the importance of γδ T cells for early-life immunity.

Main Methods:

  • This is a review article, summarizing existing research.
  • Key literature on γδ T cell development, function, and roles was analyzed.
  • Information on effector responses and immune regulation was synthesized.

Main Results:

  • γδ T cells exhibit restricted T cell receptor (TCR) diversity during development.
  • They possess robust and diverse effector functions, including cytotoxicity and cytokine production.
  • These cells contribute significantly to pathogen defense and tissue homeostasis.

Conclusions:

  • γδ T cells are developmentally imprinted with specific functions.
  • Their functional diversity is essential for immune competence in neonates.
  • γδ T cells provide crucial protection in early life.

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