Features of Peripheral Blood Th-Cell Subset Composition and Serum Cytokine Level in Patients with Activity-Driven Ankylosing Spondylitis

Th cells may exhibit pathological activity depending on the regulatory and functional signals sensed under a wide range of immunopathological conditions, including ankylosing spondylitis (AS). The relationship between Th cells and cytokines is important for diagnoses and for determining treatment. A...

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Published in:Pharmaceuticals (Basel, Switzerland) Switzerland), 2022-11, Vol.15 (11), p.1370
Main Authors: Shesternya, Pavel A, Savchenko, Andrei A, Gritsenko, Olga D, Vasileva, Alexandra O, Kudryavtsev, Igor V, Masterova, Alena A, Isakov, Dmitry V, Borisov, Alexandr G
Format: Article
Language:English
Subjects:
Ankylosing spondylitis
Arthritis
Chemokines
Composition
Cytokines
Diagnosis
disease activity
Health aspects
Immune system
Inflammation
Investigations
Lymphocytes
Measurement
Risk factors
T cells
T helper cells
Tfh subsets
Th17
Tumor necrosis factor-TNF
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Summary:Th cells may exhibit pathological activity depending on the regulatory and functional signals sensed under a wide range of immunopathological conditions, including ankylosing spondylitis (AS). The relationship between Th cells and cytokines is important for diagnoses and for determining treatment. Accordingly, the aim of this study was to investigate the relationship between Th-cell subset composition and serum cytokine profile for patients with activity-driven AS. In our study, patients were divided into two groups according to disease activity: low-activity AS (ASDAS-CRP < 2.1) and high-activity AS (ASDAS-CRP > 2.1). The peripheral blood Th cell subset composition was studied by flow cytometry. Using multiplex analysis, serum cytokine levels were quantified and investigated. It was found that only patients with high-activity AS had reduced central memory (CM) Th1 cells (p = 0.035) but elevated numbers of CM (p = 0.014) and effector memory (EM) Th2 cells (p < 0.001). However, no activity-driven change in the Th17 cell subset composition was observed in AS patients. Moreover, low-AS activity patients had increased numbers of Tfh17 EM cells (p < 0.001), whereas high-AS activity was associated with elevated Tfh2 EM level (p = 0.031). The serum cytokine profiles in AS patients demonstrated that cues stimulating cellular immunity were increased, but patients with high-AS activity reveled increased IL-5 level (p = 0.017). Analyzing the data obtained from AS patients allowed us to conclude that Th cell subset differentiation was mainly affected during the CM stage and characterized the IL-23/IL-17 regulatory axis, whereas increased humoral immunity was observed in the high-AS activity group.
ISSN:1424-8247
1424-8247
DOI:10.3390/ph15111370