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Related Experiment Videos

An immunogold cell labelling method for rat T lymphocytes.

G O Evans1, R M Flynn, J D Lupton

  • 1Department of Toxicology and Metabolism, Wellcome Research Laboratories, Beckenham, Kent, UK.

Laboratory Animals
|October 1, 1988
PubMed
Summary
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Immunosuppressant cyclosporin alters T lymphocyte cell percentages in rats. This study adapted immunogold labelling with monoclonal antibodies to detect these changes in Wistar rat blood samples.

Area of Science:

  • Immunology
  • Cell Biology
  • Animal Science

Background:

  • T lymphocytes play a crucial role in immune responses.
  • Accurate enumeration of T lymphocyte subsets is essential for understanding immune function and disease.
  • Monoclonal antibodies provide specific tools for cell surface marker identification.

Purpose of the Study:

  • To adapt and validate an immunogold labelling method for quantifying T lymphocytes in rat blood.
  • To investigate the effects of cyclosporin, an immunosuppressant, on T lymphocyte populations in male Wistar rats.

Main Methods:

  • Utilized monoclonal antibodies (W3/25, MRC/OX8, W3/13) for T lymphocyte labelling.
  • Employed an immunogold procedure for enhanced detection of labelled cells.
  • Analyzed blood samples from male Wistar rats.

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Main Results:

  • Successfully adapted the immunogold labelling technique for rat T lymphocytes.
  • Observed significant changes in the percentages of positively labelled T lymphocyte subsets after cyclosporin administration.
  • Demonstrated the sensitivity of the method in detecting drug-induced immunomodulation.

Conclusions:

  • The immunogold labelling method is effective for analyzing T lymphocyte populations in rats.
  • Cyclosporin significantly impacts T lymphocyte percentages, highlighting its immunosuppressive effects.
  • This technique offers a valuable tool for preclinical immunology research and drug efficacy studies.