The Therapeutic Effect of Traditional LiuJunZi Decoction on Ovalbumin-Induced Asthma in Balb/C Mice

Aim. To investigate the therapeutic effect of LiuJunZi decoction (LJZD) in an experimental model of asthma and uncover its potential mechanism. Materials and Methods. The ovalbumin (OVA) was applied to induce asthma in Balb/C mice, and LJZD was orally administrated to asthmatic mice. The lung functi...

Full description

Saved in:
Bibliographic Details
Main Authors: Wenting Xu, Rui Zhao, Bin Yuan
Format: Article
Language:English
Published: Wiley 2021-01-01
Series:Canadian Respiratory Journal
Online Access:http://dx.doi.org/10.1155/2021/6406295
Tags: Add Tag
No Tags, Be the first to tag this record!
_version_ 1850211136279937024
author Wenting Xu
Rui Zhao
Bin Yuan
author_facet Wenting Xu
Rui Zhao
Bin Yuan
author_sort Wenting Xu
collection DOAJ
description Aim. To investigate the therapeutic effect of LiuJunZi decoction (LJZD) in an experimental model of asthma and uncover its potential mechanism. Materials and Methods. The ovalbumin (OVA) was applied to induce asthma in Balb/C mice, and LJZD was orally administrated to asthmatic mice. The lung function and histological lesion were evaluated by airway hyperresponsiveness assay, lung edema assay, and hematoxylin and eosin staining. The amounts of CD4+CD25+Foxp3+ TReg cells were analyzed through combining fluorescent antibody staining with flow cytometry assay. The levels of inflammatory factors and immunoglobulins were detected by enzyme-linked immuno sorbent assay (ELISA). The expression of miR-21 and miR-146a was investigated by real-time PCR. The protein expression of activating protein-1 (AP-1), nuclear factor kappa-B (NF-κB), and NF-κB inhibitor alpha (IκBα) was determined by western blotting. Results. LJZD improves OVA-induced asthma in Balb/C mice, which is manifested by decreasing lung edema, Penh levels, lung histological lesion, and inflammatory cell infiltration. LJZD increased the number of CD4+CD25+Foxp3+ TReg cells in blood mononuclear cells from asthmatic mice. Furthermore, LJZD reduced the levels of tumor necrosis factor-α (TNF-α), interleukin- (IL-) 4, IL-6, IgG1, and IgE, but increased interferon gamma (IFN-γ) expression, in serum of asthmatic mice, and also decreased the expression of IL-17a, IL-23, IL-25, and thymic stromal lymphopoietin (Tslp) in lung tissues. In addition, miR-21 and miR-146a expression and phospho (p)-NF-κB, p-IκBα, and AP-1 protein expression were inhibited by LJZD in lung tissues from asthmatic mice. Conclusion. LJZD improved OVA-induced asthma in Balb/C mice by inhibiting allergic inflammation and Th2 immunoreaction, which might be associated with the inactivation of the NF-κB signaling pathway.
format Article
id doaj-art-89b4da28ad374825aa02e4f7d6b439a5
institution OA Journals
issn 1198-2241
1916-7245
language English
publishDate 2021-01-01
publisher Wiley
record_format Article
series Canadian Respiratory Journal
spelling doaj-art-89b4da28ad374825aa02e4f7d6b439a52025-08-20T02:09:37ZengWileyCanadian Respiratory Journal1198-22411916-72452021-01-01202110.1155/2021/64062956406295The Therapeutic Effect of Traditional LiuJunZi Decoction on Ovalbumin-Induced Asthma in Balb/C MiceWenting Xu0Rui Zhao1Bin Yuan2The First Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing 210046, Jiangsu Province, ChinaDepartment of Traditional Chinese Medicine, Hainan Women and Children’s Medical Center, Haikou 570206, Hainan Province, ChinaDepartment of Pediatrics, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing 210029, Jiangsu Province, ChinaAim. To investigate the therapeutic effect of LiuJunZi decoction (LJZD) in an experimental model of asthma and uncover its potential mechanism. Materials and Methods. The ovalbumin (OVA) was applied to induce asthma in Balb/C mice, and LJZD was orally administrated to asthmatic mice. The lung function and histological lesion were evaluated by airway hyperresponsiveness assay, lung edema assay, and hematoxylin and eosin staining. The amounts of CD4+CD25+Foxp3+ TReg cells were analyzed through combining fluorescent antibody staining with flow cytometry assay. The levels of inflammatory factors and immunoglobulins were detected by enzyme-linked immuno sorbent assay (ELISA). The expression of miR-21 and miR-146a was investigated by real-time PCR. The protein expression of activating protein-1 (AP-1), nuclear factor kappa-B (NF-κB), and NF-κB inhibitor alpha (IκBα) was determined by western blotting. Results. LJZD improves OVA-induced asthma in Balb/C mice, which is manifested by decreasing lung edema, Penh levels, lung histological lesion, and inflammatory cell infiltration. LJZD increased the number of CD4+CD25+Foxp3+ TReg cells in blood mononuclear cells from asthmatic mice. Furthermore, LJZD reduced the levels of tumor necrosis factor-α (TNF-α), interleukin- (IL-) 4, IL-6, IgG1, and IgE, but increased interferon gamma (IFN-γ) expression, in serum of asthmatic mice, and also decreased the expression of IL-17a, IL-23, IL-25, and thymic stromal lymphopoietin (Tslp) in lung tissues. In addition, miR-21 and miR-146a expression and phospho (p)-NF-κB, p-IκBα, and AP-1 protein expression were inhibited by LJZD in lung tissues from asthmatic mice. Conclusion. LJZD improved OVA-induced asthma in Balb/C mice by inhibiting allergic inflammation and Th2 immunoreaction, which might be associated with the inactivation of the NF-κB signaling pathway.http://dx.doi.org/10.1155/2021/6406295
spellingShingle Wenting Xu
Rui Zhao
Bin Yuan
The Therapeutic Effect of Traditional LiuJunZi Decoction on Ovalbumin-Induced Asthma in Balb/C Mice
Canadian Respiratory Journal
title The Therapeutic Effect of Traditional LiuJunZi Decoction on Ovalbumin-Induced Asthma in Balb/C Mice
title_full The Therapeutic Effect of Traditional LiuJunZi Decoction on Ovalbumin-Induced Asthma in Balb/C Mice
title_fullStr The Therapeutic Effect of Traditional LiuJunZi Decoction on Ovalbumin-Induced Asthma in Balb/C Mice
title_full_unstemmed The Therapeutic Effect of Traditional LiuJunZi Decoction on Ovalbumin-Induced Asthma in Balb/C Mice
title_short The Therapeutic Effect of Traditional LiuJunZi Decoction on Ovalbumin-Induced Asthma in Balb/C Mice
title_sort therapeutic effect of traditional liujunzi decoction on ovalbumin induced asthma in balb c mice
url http://dx.doi.org/10.1155/2021/6406295
work_keys_str_mv AT wentingxu thetherapeuticeffectoftraditionalliujunzidecoctiononovalbumininducedasthmainbalbcmice
AT ruizhao thetherapeuticeffectoftraditionalliujunzidecoctiononovalbumininducedasthmainbalbcmice
AT binyuan thetherapeuticeffectoftraditionalliujunzidecoctiononovalbumininducedasthmainbalbcmice
AT wentingxu therapeuticeffectoftraditionalliujunzidecoctiononovalbumininducedasthmainbalbcmice
AT ruizhao therapeuticeffectoftraditionalliujunzidecoctiononovalbumininducedasthmainbalbcmice
AT binyuan therapeuticeffectoftraditionalliujunzidecoctiononovalbumininducedasthmainbalbcmice