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Related Experiment Videos

T cell stimulation and expansion using anti-CD3/CD28 beads.

Annette Trickett1, Yiu Lam Kwan

  • 1Clinical Haematology and Haematology-SEALS, St. George Hospital, Sydney, NSW, Australia. a.trickett@unsw.edu.au

Journal of Immunological Methods
|April 2, 2003
PubMed
Summary

This study details a method for expanding T lymphocytes in vitro using anti-CD3/CD28 beads. This approach offers a more physiologically relevant way to stimulate T cells compared to traditional lectins like phytohemagglutinin (PHA).

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Area of Science:

  • Immunology
  • Cell Biology

Background:

  • T lymphocytes are crucial immune cells that proliferate upon stimulation.
  • Traditional polyclonal T cell stimulation uses mitogenic lectins like phytohemagglutinin (PHA) and concanavalin A (Con A).
  • These lectins provide a less physiologically relevant stimulation method.

Purpose of the Study:

  • To describe a protocol for T cell stimulation and in vitro expansion.
  • To present an alternative to lectin-based stimulation.
  • To utilize anti-CD3/CD28 coated beads for T cell activation.

Main Methods:

  • T cell isolation and preparation.
  • Coating of beads with anti-CD3 and anti-CD28 antibodies.
  • Incubation of T cells with coated beads for stimulation.

Related Experiment Videos

  • In vitro expansion of stimulated T cells.

    • Main Results:

    • Successful stimulation and proliferation of T lymphocytes.
    • Demonstration of a protocol for T cell expansion using beads.
    • Comparison of bead-based stimulation to traditional lectin methods.

    Conclusions:

    • Anti-CD3/CD28 bead stimulation provides a more physiologically relevant method for T cell expansion in vitro.
    • This protocol facilitates robust T cell proliferation for research applications.
    • The method mimics antigen-presenting cell interactions more closely than PHA or Con A.