SPONTANEOUS AND STIMULATED AMOUNT OF REGULATORY T-CELLS AND ACTIVATED T-HELPERS IN CHILDREN WITH DIFFERENT ACTIVITY OF JUVENILE IDIOPATHIC ARTHRITIS

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Abstract

Children of 6‒17 years old with diff erent activity of juvenile idiopathic arthritis were examined: 42 with active arthritis, 11 with remission (with therapy), 10 children with persistent remission (without therapy) and 27 apparently healthy children. It was revealed by fl ow cytometry that after 24-hours incubation (37 °C, 5% СО2) the spontaneous and phytogemagglutinin-stimulated amount of regulatory T-cells (СD3+СD4+СD25+СD127) /neg) in all groups with juvenile idiopathic arthritis was decreased in comparison with healthy children. The number of activated T-helpers (СD3+СD4+СD25+СD127+) in all groups was the same. 

About the authors

I. A. Pashnina

Regional Children’s Clinical Hospital;
Institute of Immunology and Physiology, Urals Branch of the Russian Acad. Sci.

Author for correspondence.
Email: irina_pashnina@list.ru

PhD, Chief of Clinical Diagnostics Laboratory;

Researcher of Laboratory of Immunology of Inflammation,

Yekaterinburg

Russian Federation

References

  1. Rypdal V., Arnstad E. D., Aalto K., Berntson L., Ekelund M., Fasth A., Glerup M., Herlin T., Nielsen S., Peltoniemi S., Zak M., Rygg M., Rypdal M., Nordal E. Predicting unfavorable long-term outcome in juvenile idiopathic arthritis: results from the Nordic cohort study. Arthritis Research & Therapy 2018, 20:91.
  2. Sakaguchi S. Regulatory T Cells: History and Perspective. Methods in Molecular Biology 2011, 707, 3–17.
  3. Пашнина И. А. Субпопуляции Т-лимфоцитов у детей с различной активностью ювенильного идиопатического артрита. Российский иммунологический журнал. 2018, 12(21), 3, 391–395.
  4. Wei C.-M., Lee J.-H., Wang L.-C., Yang Y.-H., Chang L.-Y., Chiang B.-L. Frequency and phenotypic analysis of CD4+CD25+ regulatory T cells in children with juvenile idiopathic arthritis. Journal. of microbiology, immunology and infection 2008, 41, 1, 78–87.

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