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Circ_0067835 Regulates Allergic Inflammatory Response in Type-2 Innate Lymphoid Cells in Allergic Rhinitis (AR) Via MiR-155/GATA3

Overview
Journal Hum Cell
Publisher Springer
Specialty Cell Biology
Date 2021 Apr 28
PMID 33908023
Citations 1
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Abstract

Allergic rhinitis (AR) is a familiar respiratory allergic inflammatory disease with higher incidence. The pathogenesis of AR is particularly complex. Therefore, a lot of work is acquired to excavate deep mechanisms, thereby providing effective strategies for AR diagnose and treatment. AR mice model was induced by recombinant murine IL-33 (0.05 µg/µl) on days 1, 3, and 5. The lentiviral vectors carrying si-circ_0067835, miR-155 mimic, si-NC or miR-NC were injected into AR mice. Thus, mice were divided into control, AR, AR + si-NC, AR + si-circ_0067835, AR + si-circ_0067835 + miR-NC, and AR + si-circ_0067835 + miR-155 mimic groups. qRT-PCR experiment was used to measure the expression of circ_0067835 and miR-155. Behavioral test result was quantified to assess AR mice model. Hematoxylin and eosin (HE) staining was performed to analyze histopathological changes. Helper T cell 2 (Th2) cytokines (IL-4, IL-5, IL-9 and IL-13) and percentage of type-2 innate lymphoid cells (ILC2s) in nasal mucosa tissues in AR mice model were evaluated needing western blot, ELISA, and flow cytometry. Besides, the targeting relationship between circ_0067835 and miR-155, or between miR-155 and GATA3, was investigated via luciferase report assay. Circ_0067835 expression levels were raised in the nasal mucosa tissues of AR mice. Inhibiting circ_0067835 could reduce Type2 cytokines and ILC2s levels in AR mice model. Furthermore, circ_0067835 targeted and positively regulated miR-155 expression, and GATA3 was a downstream target of miR-155 and adjusted by circ_0067835/miR-155 axis. In addition, silencing circ_0067835 inhibited cytokines and ILC2s levels by down-regulating miR-155. Circ_0067835 effectively inhibited AR response in ILC2s through participation of miR-155/GATA3 axis.

Citing Articles

Group 2 Innate Lymphoid Cells in Allergic Rhinitis.

Wang S, Liu X, Lin X, Lv X, Zhang H J Inflamm Res. 2024; 17:8599-8610.

PMID: 39539728 PMC: 11559184. DOI: 10.2147/JIR.S485128.

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