Restricted junctional usage of T cell receptor V beta 2 and V beta 13 genes, which are overrepresented on infiltrating T cells in the lips of patients with Sjögren's syndrome. 1992

F Yonaha, and T Sumida, and T Maeda, and H Tomioka, and T Koike, and S Yoshida
Second Department of Internal Medicine, School of Medicine, Chiba University, Japan.

OBJECTIVE To analyze the clonality of T cell receptor (TCR) V beta 2- and V beta 13-positive T cells, which are predominantly expressed in the lips of patients with Sjögren's syndrome (SS). METHODS The junctional sequences of complementary DNA clones encoding TCR V beta 2 and V beta 13 genes were determined by the polymerase chain reaction. Forty-one V beta 2 and 45 V beta 13 clones established from the lips of 3 SS patients were sequenced. RESULTS The V beta 2/J beta 2.3 pair was enriched in 2 of the 3 patients (44% and 46% of the clones, respectively), and the V beta 13/J beta 2.1 sequence was dominant in 2 of the 3 (23% and 45%). These pairs were not used preferentially in peripheral blood lymphocytes from the same patients. CONCLUSIONS Infiltrating V beta 2- and V beta 13-positive T cells from the lips of all 3 patients with SS were polyclonal, but the junctional usage of cells from 2 lip samples was restricted, compared with cells from peripheral blood. This suggests that not all expanded cells from the lips of SS patients are stimulated by superantigens.

UI MeSH Term Description Entries
D008046 Lip Either of the two fleshy, full-blooded margins of the mouth. Philtrum,Lips,Philtrums
D008969 Molecular Sequence Data Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories. Sequence Data, Molecular,Molecular Sequencing Data,Data, Molecular Sequence,Data, Molecular Sequencing,Sequencing Data, Molecular
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D001483 Base Sequence The sequence of PURINES and PYRIMIDINES in nucleic acids and polynucleotides. It is also called nucleotide sequence. DNA Sequence,Nucleotide Sequence,RNA Sequence,DNA Sequences,Base Sequences,Nucleotide Sequences,RNA Sequences,Sequence, Base,Sequence, DNA,Sequence, Nucleotide,Sequence, RNA,Sequences, Base,Sequences, DNA,Sequences, Nucleotide,Sequences, RNA
D012859 Sjogren's Syndrome Chronic inflammatory and autoimmune disease in which the salivary and lacrimal glands undergo progressive destruction by lymphocytes and plasma cells resulting in decreased production of saliva and tears. The primary form, often called sicca syndrome, involves both KERATOCONJUNCTIVITIS SICCA and XEROSTOMIA. The secondary form includes, in addition, the presence of a connective tissue disease, usually rheumatoid arthritis. Sicca Syndrome,Sjogren Syndrome,Sjogrens Syndrome,Syndrome, Sicca,Syndrome, Sjogren's
D013601 T-Lymphocytes Lymphocytes responsible for cell-mediated immunity. Two types have been identified - cytotoxic (T-LYMPHOCYTES, CYTOTOXIC) and helper T-lymphocytes (T-LYMPHOCYTES, HELPER-INDUCER). They are formed when lymphocytes circulate through the THYMUS GLAND and differentiate to thymocytes. When exposed to an antigen, they divide rapidly and produce large numbers of new T cells sensitized to that antigen. T Cell,T Lymphocyte,T-Cells,Thymus-Dependent Lymphocytes,Cell, T,Cells, T,Lymphocyte, T,Lymphocyte, Thymus-Dependent,Lymphocytes, T,Lymphocytes, Thymus-Dependent,T Cells,T Lymphocytes,T-Cell,T-Lymphocyte,Thymus Dependent Lymphocytes,Thymus-Dependent Lymphocyte
D014158 Transcription, Genetic The biosynthesis of RNA carried out on a template of DNA. The biosynthesis of DNA from an RNA template is called REVERSE TRANSCRIPTION. Genetic Transcription
D015321 Gene Rearrangement The ordered rearrangement of gene regions by DNA recombination such as that which occurs normally during development. DNA Rearrangement,DNA Rearrangements,Gene Rearrangements,Rearrangement, DNA,Rearrangement, Gene,Rearrangements, DNA,Rearrangements, Gene
D015335 Molecular Probes A group of atoms or molecules attached to other molecules or cellular structures and used in studying the properties of these molecules and structures. Radioactive DNA or RNA sequences are used in MOLECULAR GENETICS to detect the presence of a complementary sequence by NUCLEIC ACID HYBRIDIZATION. Molecular Probe,Probe, Molecular,Probes, Molecular
D015870 Gene Expression The phenotypic manifestation of a gene or genes by the processes of GENETIC TRANSCRIPTION and GENETIC TRANSLATION. Expression, Gene,Expressions, Gene,Gene Expressions

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