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Eur Cytokine Netw. 1990 Aug-Sep;1(3):121-30.

Organization of the human T-cell receptor genes.

Author information

1
URA CNRS 1191, Université Montpellier II, France.

Abstract

T lymphocytes recognize antigens through their membrane bound T-cell receptors. Whereas the conventional T-cell receptors are heterodimers of alpha and beta chains, expressed at the surface of CD3+ CD4+ and CD3+ CD8+ T lymphocytes, the gamma delta T-cell receptors are found at the surface of a subset of T-lymphocytes of phenotype CD3+ CD4- CD8-. The synthesis of the T-cell receptor chains results from the junction (or rearrangement) of DNA segments: Variable (V) gene and joining (J) segment for the alpha and gamma chains, V gene, D (diversity) and J segments for the beta and delta chains. In this review, we summarize the recent findings on the genomic organization of the alpha, beta, gamma and delta T-cell receptor loci in human.

PMID:
2129796
[Indexed for MEDLINE]

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