Accumulation of CD69+ tissue‑resident memory T cells in the nasal polyps of patients with chronic rhinosinusitis

  • Authors:
    • Pascal Ickrath
    • Norbert Kleinsasser
    • Xin Ding
    • Christian Ginzkey
    • Niklas Beyersdorf
    • Rudolf Hagen
    • Thomas Kerkau
    • Stephan Hackenberg
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  • Published online on: May 2, 2018     https://doi.org/10.3892/ijmm.2018.3653
  • Pages: 1116-1124
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Abstract

In patients with chronic rhinosinusitis with nasal polyps (CRSwNP), a relative accumulation of cluster of differentiation (CD)8+ T cells over CD4+ T cells occurs in nasal polyps compared with the peripheral blood. Nasal CD8+ T cells and CD4+ T cells predominantly present an effector memory phenotype. Immunological studies have reported that memory T cells recirculate from the tissues to the peripheral blood and a high percentage of these T cells persist within the tissue. The aim of the present study was to characterize CD69+ sphingosine‑1‑phosphate receptor 1 (S1PR1)‑ tissue resident memory T cells (Trm) in the polyps of patients with CRSwNP. Tissue and blood samples were collected from 10 patients undergoing nasal sinus surgery. Expression of specific extra‑ and intracellular molecules were analyzed using multicolor flow cytometry. A significantly higher level of CD8+ T cells than CD4+ T cells was present in nasal polyps, while significantly more CD4+ T cells than CD8+ T cells were detected in the peripheral blood of patients with CRSwNP. The frequency of CD69+ T cells was significantly higher in CD8+ and CD4+ T cells in nasal polyps compared with the peripheral blood. The frequency of CD69+ S1PR1‑ Trm was also significantly higher in CD4+ and CD8+ T cells from nasal polyps compared with the peripheral blood. Within polyps, the frequency of CD69+ S1PR1‑ Trm was again significantly higher in CD8+ compared with CD4+ T cells. In summary, a significantly higher frequency of CD69+ S1PR1‑ T cells was observed in the nasal polyps compared with the peripheral blood in patients with CRSwNP. The results of the present study suggest that local regulation of the immune response occurs within nasal polyps. As such, Trm should be considered a potential stimulus in the pathogenesis of nasal polyps. However, the role of Trm in nasal polyps as a pathogenic trigger of the local inflammatory reaction requires further investigation.
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August-2018
Volume 42 Issue 2

Print ISSN: 1107-3756
Online ISSN:1791-244X

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Spandidos Publications style
Ickrath P, Kleinsasser N, Ding X, Ginzkey C, Beyersdorf N, Hagen R, Kerkau T and Hackenberg S: Accumulation of CD69+ tissue‑resident memory T cells in the nasal polyps of patients with chronic rhinosinusitis. Int J Mol Med 42: 1116-1124, 2018.
APA
Ickrath, P., Kleinsasser, N., Ding, X., Ginzkey, C., Beyersdorf, N., Hagen, R. ... Hackenberg, S. (2018). Accumulation of CD69+ tissue‑resident memory T cells in the nasal polyps of patients with chronic rhinosinusitis. International Journal of Molecular Medicine, 42, 1116-1124. https://doi.org/10.3892/ijmm.2018.3653
MLA
Ickrath, P., Kleinsasser, N., Ding, X., Ginzkey, C., Beyersdorf, N., Hagen, R., Kerkau, T., Hackenberg, S."Accumulation of CD69+ tissue‑resident memory T cells in the nasal polyps of patients with chronic rhinosinusitis". International Journal of Molecular Medicine 42.2 (2018): 1116-1124.
Chicago
Ickrath, P., Kleinsasser, N., Ding, X., Ginzkey, C., Beyersdorf, N., Hagen, R., Kerkau, T., Hackenberg, S."Accumulation of CD69+ tissue‑resident memory T cells in the nasal polyps of patients with chronic rhinosinusitis". International Journal of Molecular Medicine 42, no. 2 (2018): 1116-1124. https://doi.org/10.3892/ijmm.2018.3653