B cells abnormalities in asthma

Abstract. Asthma is a chronic inflammation in the respiratory tract, which is an abnormal immune response of type I allergic reaction with elevated IgE levels. The abnormality of B cell contributing to asthma development has not been elucidated completely. Recently, data from different research groups showed that both CD27+CD38+ plasmablasts and CD24hiCD38hi transitional B cells are capable to induce the production of IgE antibody. In contrast, Bregs is crucial for inhibiting type 2 inflammation through secreting cytokines IL-10 in asthma patients of both children and adults. With the advancement of high-throughput sequencing and analysis technology in recent years, there has been further displaying of the association between B subgroups and asthma besides Breg and plasmablast subsets. This article briefly summarized the pathogenesis and pathological progression of Breg cells in animal models and patients of asthma, with a particular focus on high-throughput sequencing revealing new mechanisms and diagnostic