Multiple Sclerosis Is Associated with Immunoglobulin Germline Gene Variation of Transitional B Cells

Y. A. Lomakin, L. A. Ovchinnikova, M. N. Zakharova, M. V. Ivanova, T. O. Simaniv, M. R. Kabilov, N. A. Bykova, V. S. Mukhina, A. N. Kaminskaya, A. E. Tupikin, M. Y. Zakharova, A. V. Favorov, S. N. Illarioshkin, A. A. Belogurov, A. G. Gabibov

Research output: Contribution to journalArticlepeer-review

Abstract

The regulatory functions of the B-cell compartment play an important role in the development and suppression of the immune response. Disruption of their anti-inflammatory functions may lead to the acceleration of immunopathological processes, and to autoimmune diseases, in particular. Unfortunately, the exact mechanism underlying the functioning and development of regulatory B cells (Breg) has not yet been fully elucidated. Almost nothing is known about their specificity and the structure of their B-cell receptors (BCRs). In this research, we analyzed the BCR repertoire of the transitional Breg (tBreg) subpopulation with the CD19+CD24highCD38high phenotype in patients with multiple sclerosis (MS), using next-generation sequencing (NGS). We show, for the first time, that the immunoglobulin germline distribution in the tBreg subpopulation is different between MS patients and healthy donors. The registered variation was more significant in patients with a more severe form of the disease, highly active MS (HAMS), compared to those with benign MS (BMS).

Original languageEnglish (US)
Pages (from-to)84-93
Number of pages10
JournalActa Naturae
Volume14
Issue number4-55
DOIs
StatePublished - 2022

Keywords

  • BCR-Seq
  • NGS
  • TrB
  • germline
  • immunoglobulin
  • multiple sclerosis
  • neurodegeneration
  • regulatory B cells
  • transitional B cells

ASJC Scopus subject areas

  • Molecular Medicine
  • Molecular Biology
  • Biochemistry
  • Biotechnology

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