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Updated: Jun 28, 2026

Preparing T Cell Growth Factor from Rat Splenocytes
18:27

Preparing T Cell Growth Factor from Rat Splenocytes

Published on: October 31, 2007

Preparing T cell growth factor from rat splenocytes.

Christine Beeton1, K George Chandy

  • 1Department of Physiology and Biophysics, University of California, Irvine, USA.

Journal of Visualized Experiments : Jove
|November 8, 2008
PubMed
Summary
This summary is machine-generated.

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This study details a cost-effective method for preparing T cell growth factor (TCGF) from rat splenocytes. This method supports long-term T cell line maintenance in vitro, offering an alternative to expensive interleukin 2.

Area of Science:

  • Immunology
  • Cell Biology
  • Biotechnology

Background:

  • Maintaining T cell lines requires antigen-induced activation and expansion phases.
  • Interleukin 2 (IL-2) supports short-term cultures but can cause Th1 polarization.
  • T cell growth factor (TCGF) is more effective for long-term T cell cultures and is cheaper than IL-2.

Purpose of the Study:

  • To describe a laboratory procedure for preparing T cell growth factor (TCGF) from rat splenocyte culture supernatants.
  • To provide a cost-effective and scalable method for generating TCGF for T cell culture.

Main Methods:

  • Harvesting spleens from naive Lewis rats.
  • Preparing single-cell suspensions, lysing red blood cells, and culturing splenocytes.
  • Stimulating splenocytes with concanavalin A (ConA) to induce cytokine production, followed by supernatant collection and ConA neutralization.

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Last Updated: Jun 28, 2026

Preparing T Cell Growth Factor from Rat Splenocytes
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Main Results:

  • Successfully prepared TCGF from rat splenocyte culture supernatants.
  • The prepared TCGF is suitable for sterile filtration, aliquoting, and storage at -20°C.
  • This method offers a cheaper alternative to recombinant IL-2 for T cell culture.

Conclusions:

  • A practical and economical method for generating TCGF from rat splenocytes is established.
  • The described procedure facilitates the maintenance of long-term T cell lines in vitro.
  • This approach provides a valuable resource for immunological research requiring sustained T cell cultures.