Open AccessSchistosoma japonicum peptide SJMHE1 suppresses airway inflammation of allergic asthma in mice
Author(s) -
Zhang Wenzhe,
Li Li,
Zheng Yu,
Xue Fei,
Yu Mengzhu,
Ma Yongbin,
Dong Liyang,
Shan Zirui,
Feng Dingqi,
Wang Ting,
Wang Xuefeng
Publication year - 2019
Publication title -
journal of cellular and molecular medicine
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.44
H-Index - 130
eISSN - 1582-4934
pISSN - 1582-1838
DOI - 10.1111/jcmm.14661
Subject(s) - immunology , ovalbumin , inflammation , schistosoma japonicum , foxp3 , immune system , gata3 , bronchoalveolar lavage , medicine , allergic inflammation , asthma , immunoglobulin e , rar related orphan receptor gamma , lung , chemistry , antibody , schistosomiasis , biochemistry , gene , transcription factor , helminths
Abstract Helminths and their products can shape immune responses by modulating immune cells, which are dysfunctional in inflammatory diseases such as asthma. We previously identified SJMHE1, a small molecule peptide from the HSP60 protein of Schistosoma japonicum . SJMHE1 can inhibit delayed‐type hypersensitivity and collagen‐induced arthritis in mice. In the present study, we evaluated this peptide's potential intervention effect and mechanism on ovalbumin‐induced asthma in mice. SJMHE1 treatment suppressed airway inflammation in allergic mice, decreased the infiltrating inflammatory cells in the lungs and bronchoalveolar lavage fluid, modulated the production of pro‐inflammatory and anti‐inflammatory cytokines in the splenocytes and lungs of allergic mice, reduced the percentage of Th2 cells and increased the proportion of Th1 and regulatory T cells (Tregs). At the same time, Foxp3 and T‐bet expression increased, and GATA3 and RORγt decreased in the lungs of allergic mice. We proved that SJMHE1 can interrupt the development of asthma by diminishing airway inflammation in mice. The down‐regulation of Th2 response and the up‐regulation of Th1 and Tregs response may contribute to the protection induced by SJMHE1 in allergic mice. SJMHE1 can serve as a novel therapy for asthma and other allergic or inflammatory diseases.