T cell receptor delta gene repertoire and diversity of intestinal intraepithelial lymphocytes in athymic mice

Donna Stickney, R. Lee Mosley, Michael Whetsell, Lynne Whetsell, Frederick V. Schaefer, Kenton S. Miller, John R.K. lein

Research output: Contribution to journalArticle

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Abstract

T cell receptor (TCR) δ gene rearrangements in intestinal intraepithelial lymphocytes (IEL) were studied in athymic radiation chimeras using polymerase chain reaction (PCR) and sequence analyses of DNAs spanning the variable (V), diversity (D), and junctional (J) genes. In both thymus-bearing and athymic mice, IEL δ gene rearrangements occurred for Vδ3, Vδ4, Vδ5 and Vδ6. V-D-J junctional-site sequence analyses of cloned DNAs from rearranged IEL δ genes in athymic mice revealed a predominance of in-frame rearrangements; junctional diversity consisting of nucleotide removal from V, D and/or J genes; N segment nucleotide insertions; and high overall gene diversity. Evaluation of PCR-amplified cDNAs made from IEL RNA indicated that all four rearranged Vδ genes were expressed in IEL from athymic mice. The high diversity observed at the gene level also was present in amino acid sequences encoded by the V-D-J region of IEL δ genes in athymic mice. These data demonstrate that there is extensive diversity of rearranged δ genes in IEL which develop extrathymically, and suggest that the δ chain of IEL TCR-γδ+ T cells has the potential for interactions with polymorphic structures.

Original languageEnglish (US)
Pages (from-to)813-819
Number of pages7
JournalMolecular Immunology
Volume30
Issue number9
DOIs
StatePublished - Jun 1993

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T-Cell Receptor delta Genes
Nude Mice
Lymphocytes
Genes
DNA Sequence Analysis
Radiation Chimera
Nucleotides
T-Lymphocyte Gene Rearrangement
T-Cell Receptor Genes
Polymerase Chain Reaction
Gene Rearrangement
T-Cell Antigen Receptor
Thymus Gland
Amino Acid Sequence
Complementary DNA
RNA

ASJC Scopus subject areas

  • Immunology
  • Molecular Biology

Cite this

T cell receptor delta gene repertoire and diversity of intestinal intraepithelial lymphocytes in athymic mice. / Stickney, Donna; Mosley, R. Lee; Whetsell, Michael; Whetsell, Lynne; Schaefer, Frederick V.; Miller, Kenton S.; lein, John R.K.

In: Molecular Immunology, Vol. 30, No. 9, 06.1993, p. 813-819.

Research output: Contribution to journalArticle

Stickney, Donna ; Mosley, R. Lee ; Whetsell, Michael ; Whetsell, Lynne ; Schaefer, Frederick V. ; Miller, Kenton S. ; lein, John R.K. / T cell receptor delta gene repertoire and diversity of intestinal intraepithelial lymphocytes in athymic mice. In: Molecular Immunology. 1993 ; Vol. 30, No. 9. pp. 813-819.
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