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Immunol Cell Biol. 2011 Jan;89(1):16-26. doi: 10.1038/icb.2010.119. Epub 2010 Oct 19.

Molecular and genetic parameters defining T-cell clonal selection.

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Maisonneuve-Rosemont Hospital Research Center, Montréal, Québec, Canada.


Clonal selection of T cells occurs in the thymus and is responsible for generating a useful and functional repertoire of T cells. Aberrations in clonal selection result in altered T-cell homeostasis in the secondary lymphoid organs ranging from an absence of T cells to an overabundance of autoreactive T cells. The advent of new technologies facilitating the manipulation of the mouse genome has helped refine our understanding of the molecular and genetic pathways involved in clonal selection and has also revealed a high degree of complexity. Herein, we attempt to review recent advances in thymic selection processes, achieved mostly through genetic manipulations.

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