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Related Experiment Videos

Cloning non-transformed sheep B cells.

P J Griebel1, T Beskorwayne, D L Godson

  • 1Veterinary Infectious Disease Organization, 120 Veterinary road, Saskatoon, Canada. greibelp@sask.usask.ca

Journal of Immunological Methods
|March 22, 2000
PubMed
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Researchers developed a novel method to clone non-transformed sheep B cells, overcoming previous limitations in culturing these cells. This breakthrough enables detailed studies of sheep B cell biology and antibody production.

Area of Science:

  • Immunology
  • Cell Biology

Background:

  • Cloning and culturing B cells are crucial for studying immune responses in humans and mice.
  • Previous limitations in culturing non-transformed B cells hindered research in other species, including sheep.

Purpose of the Study:

  • To establish a method for cloning and culturing non-transformed sheep B cells.
  • To enable further research into sheep B cell biology and antibody production.

Main Methods:

  • Utilized a culture system with murine CD154 and human gamma chain-common cytokines.
  • Cultured sheep Peyer's patch B cells for 120 days, followed by limiting dilution cloning.
  • Confirmed clonality and immunoglobulin (Ig) gene expression using PCR and DNA sequencing.

Main Results:

Related Experiment Videos

  • Successfully cloned non-transformed sheep B cells, including both surface immunoglobulin (sIg)M(+) and sIgG1(+) populations.
  • Demonstrated stable Ig expression and dependence on co-stimulation for sustained growth.
  • Detected soluble Ig in the supernatant of sIgG1(+) clones.

Conclusions:

  • The developed method provides a valuable tool for studying sheep B cell biology.
  • This technique facilitates the development of sheep-specific monoclonal antibodies and analysis of the Ig repertoire.
  • The cloned B cells may be utilized for producing sheep monoclonal antibodies.