Correlation between B-cell lymphoma 6 with the balance of T helper-1/2 and severity of allergic rhinitis

Main Article Content

Jiali Wu
Shumei Chen
Xiaoyan Li

Keywords

Allergic rhinitis, B-cell lymphoma 6, minirhinoconjunctivitis quality-of-life questionnaire, Pearson analysis, quality-of-life, receiver operating characteristics, T helper-1/2

Abstract

Objective: Allergic rhinitis (AR) is a prevailing immune disorder affecting the nasal mucosa. B-cell lymphoma 6 (BCL6) imposes essential roles in immunity. This study probed into the serum expression of BCL6 and its effect on AR diagnosis and patients’ quality of life (QOL).


Methods: A total of 113 patients with AR including 38 cases with mild AR (MAR) and 75 cases with moderate-severe AR (MSAR) were enrolled, with 101 healthy people enrolled as control. Serum expression of BCL6 was detected by RT-qPCR and the diagnostic efficacy of BCL6 for AR was analyzed using the receiver operating characteristic curve. The proportion of T helper-1/2 (Th1/Th2) cells in CD4+ T cells in peripheral blood mononuclear cells was detected using flow cytometry. The correlation between BCL6 and Th1/Th2 cells and the effects of BCL6 expression on patients’ QOL were assessed by Pearson analysis and Mini-RQLQ questionnaire.


Results: BCL6 was downregulated in patients with AR, serum BCL6 level < 0.8450 had certain auxiliary diagnostic values for AR, and serum BCL6 level < 0.5400 could assist the diagnosis of AR severity. Th1 cell proportion in CD4+ T cells was decreased, whereas Th2 cell proportion was increased with AR severity. BCL6 was positively-linked with Th1 cells but inversely-correlated with Th2 cells in patients with AR. Patients with AR with low BCL6 expression had a poorer QOL compared with high BCL6 expression. The domains most affected by BCL6 expression were practical problems, nasal symptoms, and lacrimation.


Conclusion: Serum BCL6 is downregulated and low BCL6 expression greatly deteriorates QOL in patients with AR.

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