Allergic rhinitis (AR) is a common otolaryngologic disease with frequent episodes of sneezing, clear nasal discharge flow and nasal congestion. The mechanisms of AR are complex and considered generally caused… Click to show full abstract
Allergic rhinitis (AR) is a common otolaryngologic disease with frequent episodes of sneezing, clear nasal discharge flow and nasal congestion. The mechanisms of AR are complex and considered generally caused by the immune tolerance deficiency. Regulatory B cells (Bregs) are immunosuppressive cells that can modulate immune responses by the secretion of IL-10, IL-35, and tumor growth factor-β (TGF-β) and via the interaction of membrane surface molecules. However, Bregs are numerically deficient and/or dysfunctional in airway allergic diseases such as AR and allergic asthma, and the related mechanisms remain unclear. In this review, we summarize the role of Bregs in AR pathogenesis and highlight the importance of Bregs in maintaining immune tolerance. It is believed that further research on Bregs will contribute to developing new treatments and finding specific biomarkers that could help to predict disease progression.
               
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