B cells and T cells abnormalities in patients with selective IgA deficiency
Background Selective IgA deficiency (SIgAD) is the most prevalent inborn errors of immunity with almost unknown etiology. This study aimed to investigate the clinical diagnostic and prognostic values of lymphocyte subsets and function in symptomatic SIgAD patients. Methods A total of 30 available SIgAD patients from the Iranian registry and 30 age-sex-matched healthy controls were included in the present study. We analyzed B and T cell peripheral subsets and T cell proliferation assay by flow cytometry in SIgAD patients with mild and severe clinical phenotypes. Results Our results indicated a significant increase in naïve and transitional B cells and a strong decrease in marginal zone-like and switched memory B-cells in SIgAD patients. We found that naïve and central memory $ CD4^{+} $ T cell subsets, as well as Th1, Th2 and regulatory T cells, have significantly decreased. On the other hand, there was a significant reduction in central and effector memory $ CD8^{+} $ T cell subsets, whereas proportions of both ($ CD4^{+} $ and $ CD8^{+} $) terminally differentiated effector memory T cells ($ T_{EMRA} $) were significantly elevated in our patients. Although some T cell subsets in severe SIgAD were similar, a decrease in marginal-zone and switched memory B cells and an increase in $ CD21^{low} $ B cell of severe SIgAD patients were slightly prominent. Moreover, the proliferation activity of $ CD4^{+} $ T cells was strongly impaired in SIgAD patients with a severe phenotype. Conclusion SIgAD patients have varied cellular and humoral deficiencies. Therefore, T cell and B cell assessment might help in better understanding the heterogeneous pathogenesis and prognosis estimation of the disease..
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:19 |
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| Enthalten in: |
Allergy, asthma and clinical immunology - 19(2023), 1 vom: 20. März |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Bagheri, Yasser [VerfasserIn] |
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| Links: |
Volltext [kostenfrei] |
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| Themen: |
B cell subsets |
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| Anmerkungen: |
© The Author(s) 2023 |
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| doi: |
10.1186/s13223-023-00775-6 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
SPR049762184 |
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| 520 | |a Background Selective IgA deficiency (SIgAD) is the most prevalent inborn errors of immunity with almost unknown etiology. This study aimed to investigate the clinical diagnostic and prognostic values of lymphocyte subsets and function in symptomatic SIgAD patients. Methods A total of 30 available SIgAD patients from the Iranian registry and 30 age-sex-matched healthy controls were included in the present study. We analyzed B and T cell peripheral subsets and T cell proliferation assay by flow cytometry in SIgAD patients with mild and severe clinical phenotypes. Results Our results indicated a significant increase in naïve and transitional B cells and a strong decrease in marginal zone-like and switched memory B-cells in SIgAD patients. We found that naïve and central memory $ CD4^{+} $ T cell subsets, as well as Th1, Th2 and regulatory T cells, have significantly decreased. On the other hand, there was a significant reduction in central and effector memory $ CD8^{+} $ T cell subsets, whereas proportions of both ($ CD4^{+} $ and $ CD8^{+} $) terminally differentiated effector memory T cells ($ T_{EMRA} $) were significantly elevated in our patients. Although some T cell subsets in severe SIgAD were similar, a decrease in marginal-zone and switched memory B cells and an increase in $ CD21^{low} $ B cell of severe SIgAD patients were slightly prominent. Moreover, the proliferation activity of $ CD4^{+} $ T cells was strongly impaired in SIgAD patients with a severe phenotype. Conclusion SIgAD patients have varied cellular and humoral deficiencies. Therefore, T cell and B cell assessment might help in better understanding the heterogeneous pathogenesis and prognosis estimation of the disease. | ||
| 650 | 4 | |a Inborn errors of immunity |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Primary immunodeficiency |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Selective IgA deficiency |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a B cell subsets |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a T cell subsets |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Flow cytometry |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Proliferation assay |7 (dpeaa)DE-He213 | |
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| 700 | 1 | |a Namazi, Shideh |4 aut | |
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| 700 | 1 | |a Azizi, Gholamreza |4 aut | |
| 700 | 1 | |a Salami, Fereshteh |4 aut | |
| 700 | 1 | |a Sadani, Somayeh |4 aut | |
| 700 | 1 | |a Hosseini, Ali |4 aut | |
| 700 | 1 | |a Saeidi, Mohsen |4 aut | |
| 700 | 1 | |a Pashangzadeh, Salar |4 aut | |
| 700 | 1 | |a Delavari, Samaneh |4 aut | |
| 700 | 1 | |a Mirminachi, Babak |4 aut | |
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| 700 | 1 | |a Abolhassani, Hassan |4 aut | |
| 700 | 1 | |a Aghamohammadi, Asghar |4 aut | |
| 700 | 1 | |a Yazdani, Reza |4 aut | |
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