Characterization of the T cell receptor repertoire in patients with common variable immunodeficiency

Oligoclonal expansion of CD8+ T cells

Davide Serrano, Kai Becker, Charlotte Cunningham-Rundles, Lloyd Mayer

Research output: Contribution to journalArticle

42 Citations (Scopus)

Abstract

Common variable immunodeficiency is characterized by an impairment in antibody production of at least two immunoglobulin isotypes, and abnormalities of both B and T cells have also been described. In this study, a profound alteration of the T cell receptor repertoire was noted, especially in CD8+ T cells, in CVID patients when compared to a control group. However, the higher number of oligoclonally expanded populations seen in the patient group was not dependent on age, whereas in the control group an age-related accumulation of these populations was noted. Expansion of CD8+ CD28- T cells in these patients is strongly correlated with T cell receptor repertoire restriction. Furthermore, analysis of cytokine production showed a statistically significant increase in IFN-γ secretion in the patient group. Lastly, CD94 and perforin were expressed at increased frequencies on CD8+ T cells in the patient group when compared to the control group. We speculate that these findings support the concept that CD8+ T cells may play an important regulatory role in CVID. (C) 2000 Academic Press.

Original languageEnglish
Pages (from-to)248-258
Number of pages11
JournalClinical Immunology
Volume97
Issue number3
DOIs
Publication statusPublished - 2000

Fingerprint

Common Variable Immunodeficiency
T-Cell Antigen Receptor
T-Lymphocytes
Control Groups
Perforin
Immunoglobulin Isotypes
Population
Antibody Formation
B-Lymphocytes
Cytokines

Keywords

  • Clonal expansion
  • Human
  • Immunodeficiency disease
  • Suppression
  • T cell receptors

ASJC Scopus subject areas

  • Immunology
  • Immunology and Allergy
  • Pathology and Forensic Medicine

Cite this

Characterization of the T cell receptor repertoire in patients with common variable immunodeficiency : Oligoclonal expansion of CD8+ T cells. / Serrano, Davide; Becker, Kai; Cunningham-Rundles, Charlotte; Mayer, Lloyd.

In: Clinical Immunology, Vol. 97, No. 3, 2000, p. 248-258.

Research output: Contribution to journalArticle

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