Expression of “non-classical” molecules of the main histocompatibility complex in rheumatoid arthritis and bronchial asthma
- Authors: Boeva O.S.1,2, Borisevich V.I.3, Kozlov V.A.1, Vladimirovna D.V.1, Sizikov A.E.1, Pashkina E.A.1
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Affiliations:
- Research Institute of Fundamental and Clinical Immunology
- Novosibirsk State University
- Novosibirsk State Medical University
- Issue: Vol 26, No 4 (2023)
- Pages: 527-532
- Section: Forum Sochi 2023
- URL: https://journals.rcsi.science/1028-7221/article/view/253437
- DOI: https://doi.org/10.46235/1028-7221-13919-EON
- ID: 253437
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Abstract
HLA-E is a minor understudied non-classical HLA genes. HLA-E transcription is revealed in many cell types, especially, in immune cells, e.g., T and B cells monocytes, macrophages. In this work, we evaluated expression of HLA-E on CD8+, CD4+ and CD14+ cells in conditionallу healthy donors and in the patients with bronchial asthma (BA) and rheumatoid arthritis (RA). Peripheral blood mononuclears (PBMNC) were used as initial biomaterial. PBMNC from RA patients (n = 15), BA (n = 11) and healthy donors were separated from peripheral blood in Ficoll-Urographin density gradient (1.077 g/mL). The cells were then stained with fluorochrome-conjugated monoclonal antibodies: anti-CD3-APC, anti-CD4-APC-Cy7, anti-CD-14-FITC, and anti-HLA-E-PerCP/Cy5. The cell phenotype was analyzed by flow cytometry with FACS Canto II (BD Biosciences, USA). We have found an increased expression of HLA-E on CD8+, CD4+Т cells, like as on CD14+ cells (monocytes) in the RA patients, when compared with BA patients. We have also shown significant differences of HLA-E expression on CD8+Т cells between the conditionally healthy donors and RA patients.
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##article.viewOnOriginalSite##About the authors
Olga S. Boeva
Research Institute of Fundamental and Clinical Immunology; Novosibirsk State University
Author for correspondence.
Email: starchenkova97@gmail.com
Student, Novosibirsk State University; Assistant Researcher, Laboratory of Clinical Immunopathology, Research Institute of Fundamental and Clinical Immunology
Russian Federation, Novosibirsk; NovosibirskV. I. Borisevich
Novosibirsk State Medical University
Email: borvad2001@mail.ru
Student, Novosibirsk State Medical University
Russian Federation, NovosibirskV. A. Kozlov
Research Institute of Fundamental and Clinical Immunology
Email: vakoz40@yandex.ru
PhD, MD (Medicine), Professor, Full Member, Russian Academy of Sciences, Head, Laboratory of Clinical Immunopathology, Research Director, Research Institute of Fundamental and Clinical Immunology
Russian Federation, NovosibirskD. V. Vladimirovna
Research Institute of Fundamental and Clinical Immunology
Email: immunology@mail.ru
PhD (Medicine), Allergologist, Head, Department of Allergology, Research Institute of Fundamental and Clinical Immunology
Russian Federation, NovosibirskA. E. Sizikov
Research Institute of Fundamental and Clinical Immunology
Email: sizikovae@niikim.ru
PhD (Medicine), Rheumatologist, Head, Department of Rheumatology Research Institute of Fundamental and Clinical Immunology
Russian Federation, NovosibirskE. A. Pashkina
Research Institute of Fundamental and Clinical Immunology
Email: pashkina.e.a@yandex.ru
PhD (Biology), Senior Research Associate, Laboratory of Clinical Immunopathology, Research Institute of Fundamental and Clinical Immunology
Russian Federation, NovosibirskReferences
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