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Related Concept Videos

Cytotoxic T Cells-mediated Immune Response01:27

Cytotoxic T Cells-mediated Immune Response

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Cytotoxic T cells are a vital component of the immune system. They have the remarkable ability to identify and target antigens on infected or abnormal cells. These antigens often originate from intracellular pathogens such as viruses or abnormal proteins cancer cells produce.
Immunological surveillance is the ability of immune cells to monitor and eliminate infected cells with intracellular pathogens, neoplastically transformed cells, and cells with non-self antigens. Cytotoxic T cells and NK...
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Isolating Malignant and Non-Malignant B Cells from lck:eGFP Zebrafish
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Teleost cytotoxic T cells.

Takuya Yamaguchi1, Fumio Takizawa2, Mitsuru Furihata3

  • 1Federal Research Institute for Animal Health, Friedrich-Loeffler-Institut, 17493, Greifswald-Insel Riems, Germany.

Fish & Shellfish Immunology
|November 1, 2019
PubMed
Summary
This summary is machine-generated.

Cytotoxic T lymphocytes (CTLs) are key in controlling intracellular pathogens in vertebrates. This review details teleost CTL functions and regulation, highlighting their potential in fish disease vaccine development.

Keywords:
AdjuvantsCell signallingCell-mediated cytotoxicity (CMC)CytokinesCytotoxic T lymphocytes (CTLs)Teleost fishVaccination

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Area of Science:

  • Immunology
  • Comparative immunology
  • Fish immunology

Background:

  • Cell-mediated cytotoxicity is crucial for controlling intracellular pathogens in vertebrates.
  • Cytotoxic T lymphocytes (CTLs) identify pathogen-specific peptides via T cell receptors and MHC class I molecules.
  • Teleost immune responses, including CTL functions, share similarities with higher vertebrates.

Purpose of the Study:

  • To review current knowledge on CTL regulation and functions in teleosts.
  • To explore the role of teleost CTLs in vaccination strategies.
  • To identify areas for future research in teleost CTL mechanisms.

Main Methods:

  • Literature review of studies on teleost immune responses.
  • Analysis of functional investigations on CTL killing activity in teleost species.
  • Synthesis of information on cytokine and ligand-receptor interactions regulating cytotoxicity.

Main Results:

  • Teleost CTLs and their regulatory mechanisms are increasingly understood, with parallels to higher vertebrates.
  • Functional studies confirm CTL killing activity in several teleost species.
  • Existing knowledge suggests potential for CTL-based vaccine design in fish.

Conclusions:

  • Teleost CTLs play a significant role in controlling intracellular pathogens.
  • Understanding teleost CTL regulation is vital for developing effective fish vaccines.
  • Further research is needed to fully elucidate teleost CTL mechanisms and optimize their use in aquaculture.