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TCRgammadelta cells and viruses.

R Sciammas1, J A Bluestone

  • 1Department of Microbiology and Immunology, Stanford University School of Medicine, CA, USA.

Microbes and Infection
|May 9, 2000
PubMed
Summary
This summary is machine-generated.

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T-cell receptor gammadelta (TCRgammadelta) cells are crucial for antiviral immunity, particularly against herpes simplex virus-1 (HSV-1). These cells are sufficient for protection from lethal HSV-1 infection.

Area of Science:

  • Immunology
  • Virology

Background:

  • T-cell receptor gammadelta (TCRgammadelta) cells increase during viral infections, suggesting a key role in immunity.
  • Their precise function in antiviral responses remains largely undetermined.

Purpose of the Study:

  • To review the function of TCRgammadelta cells in antiviral immunity.
  • To highlight their role in various viral infections, including HIV, influenza, and HSV-1.
  • To focus on TCRgammadelta cell effector functions, repertoire, and antigen recognition, especially in HSV-1 infections.

Main Methods:

  • Review of current research on TCRgammadelta cell involvement in viral infections.
  • Analysis of murine models for RNA and DNA virus infections.
  • Investigation of TCRgammadelta cell activation, homing, and effector functions.

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Main Results:

  • TCRgammadelta cells are activated and migrate to sites of viral replication in infections like HIV, influenza, and HSV-1.
  • Studies show TCRgammadelta cells are sufficient for protection against lethal HSV-1 infection.
  • TCRgammadelta cells recognize the herpes virus antigen glycoprotein I.

Conclusions:

  • TCRgammadelta cells play a significant role in antiviral immunity.
  • They possess effector functions and recognize specific viral antigens.
  • Further research is warranted to fully elucidate their mechanisms in combating viral diseases.