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Inactivated P. aeruginosa restores immune imbalance of chronic idiopathic urticaria

  • Xie Jian
  • Song ChaoEmail author
  • Zhang Xiaoli
  • Wang Aiwu
Original Paper

Abstract

The main pathology involved in chronic idiopathic urticaria (CIU) is immunological dysfunction which mainly adapts to the immune system of body. Pseudomonas aeruginosa-mannose-sensitive hemagglutinin (PA) is an inactivated Pseudomonas aeruginosa biological product which displays a broad immune regulatory effect. The current study was designed to explore the protective nature of PA as an immune regulator in CIU. The participants were randomly divided into CIU + PA, CIU, control + PA and control group. lg E, anti FcεRI, anti IgE antibody, IL-4, IL-17, TGF-β1 and interferon-γ in the sera were assayed by ELISA. Then CD4+ T cells and CD19+ B cells were isolated from peripheral blood of patients with CIU (n = 10) and healthy control (n = 10). CD4+ T cells and CD19+ B proliferation and apoptosis were analyzed through CCK-8 and flow cytometry respectively. T helper cells differentiations were assessed by real-time PCR. The results revealed that compared with the control group, the curative effect of CIU + PA group was more effective than that of the CIU control group. There was a hyper proliferation of CD19+ B cells in the CIU patients. Moreover, it was also discovered that presence of Th1 decreased while Th2 cells increased in CIU patients. PA significantly inhibited the proliferation of CD19+ B and Th2 cells but at the same time promoted the proliferation of Th1 compared to healthy control. The conclusion arrived at from this study is that the PA displayed a remarkable regulatory effect in CD4+ T cells and CD19+ B cells function by promoting Th1 but inhibited Th2 and the hyperfunction of B cells of CIU patients.

Keywords

Chronic idiopathic urticaria Cytokines PA-MSHA T cells 

Notes

Author contributions

All authors participated in the design, interpretation of the studies and analysis of the data and review of the manuscript; XJ, SC, ZX and WA conducted the experiment. SC wrote the manuscript.

Funding

Not applicable.

Compliance with ethical standards

Conflict of interest

The author(s) declare that they have no conflict of interest.

Ethics approval

The study was approved by the Institutional Ethic Committee of No.3 Hospital of Shandong (3SDH-2016-190).

Informed consent

Informed consent was obtained from all individual participants included in the study.

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Department of PharmacyShandong Provincial Third HospitalJinanChina
  2. 2.Department of PharmacyShandong Provincial First HospitalJinanChina

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