Article
Ordered and coordinated rearrangement of the TCR alpha locus: role of secondary rearrangement in thymic selection.
Journal of immunology (Baltimore, Md. : 1950) - 15 Feb 2001
Huang C, Kanagawa O
Abstract excerpt
The Ag receptor of the T lymphocyte is composed of an alphabeta heterodimer. Both alpha- and beta-chains are products of the somatic rearrangement of V(D)J segments encoded on the respective loci. During T cell development, beta-chain rearrangement precedes alpha-chain rearrangement. The mechanism of allelic exclusion ensures the expression of a single beta-chain in each T cell, whereas a large number of T cells...
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