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Gld and lpr mice: single gene mutant models for failed self tolerance
A Bhandoola1, K Yui, R M Siegel
1Department of Pathology, University of Pennsylvania Medical School, Philadelphia.
International Reviews of Immunology
|January 1, 1994
Summary
Mice with gld or lpr mutations develop autoimmunity and lymphoproliferation due to abnormal T cells. Understanding these mutations may clarify T cell maturation, self-tolerance, and autoimmune disease development.
Area of Science:
- Immunology
- Genetics
- Autoimmunity
Background:
- Mice homozygous for the gld or lpr mutations exhibit autoimmunity.
- These mutations lead to a lymphoproliferative disorder characterized by an accumulation of unusual CD4-CD8-TCR alpha beta lo T cells.
Purpose of the Study:
- To review past work with gld mice.
- To explain lymphoproliferation in the context of T cell maturation and self-tolerance induction models.
Main Methods:
- Review of existing research on gld mice.
- Analysis of lymphoproliferation in relation to current immunological models.
Main Results:
- Mice with gld/lpr mutations develop autoimmunity.
- A significant accumulation of CD4-CD8-TCR alpha beta lo T cells is observed.
Conclusions:
- The study aims to elucidate the mechanisms of T cell maturation and self-tolerance.
- Future research with molecular probes for lpr and gld gene products is expected to advance understanding of autoimmunity.