Interactions between dendritic cells and T lymphocytes in pathogenesis of nasal polyps.

Abstract:

:The aim of the present study was to investigate the functional status of dendritic cells (DCs) in nasal polyps (NP) and their interactions with T lymphocytes. The interactions between DC and T lymphocytes in the pathogenesis of NP was also studied. The expression of cluster of differentiation (CD)1a and CD83 in NP was detected using immunohistochemistry and the ratio of CD83 DC/CD1a+DC was counted. The distribution of DCs in NP and normal inferior turbinate mucosa (nITM) was evaluated using double immunostaining (CD1a/CD40) and low illumination fluorescence microscopy. The number of CD1a+ cells, CD83+ cells and CD1a/CD40-dual positive cells in was significantly higher in NP tissues compared with nITM. Furthermore, the density of DCs observed in NP was significantly greater than that observed in nITM. The ratio of CD83 DC/CD1a+DC in NP was significantly higher compared with in nITM tissues. The results of the present study revealed significant infiltration of DCs in NP, with the majority being mature DCs. DCs are able to interact with T cells via the CD40/CD40L costimulatory factor, thus serving an important role in the development and progression of NP.

journal_name

Exp Ther Med

authors

Lin X,Zhuang X,Li C,Wang X

doi

10.3892/etm.2018.6128

subject

Has Abstract

pub_date

2018-06-01 00:00:00

pages

5167-5172

issue

6

eissn

1792-0981

issn

1792-1015

pii

ETM-0-0-6128

journal_volume

15

pub_type

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