The Indian Journal of Pediatrics

, Volume 85, Issue 10, pp 872–876 | Cite as

Sublingual Immunotherapy Decreases Expression of Interleukin-33 in Children with Allergic Rhinitis

  • Yuanming Wang
  • Chuling LiEmail author
  • Yaxiong Xu
  • Deyu Xu
  • Gang Yang
  • Fang Liao
  • Xianglin Luo
Original Article



To identify the expression of IL-33 during SLIT (Sublingual immunotherapy) in AR (Allergic rhinitis) children.


Thirty children received house dust mite (HDM) allergen extract for SLIT and thirty children received placebo in this study. Serum and nasal lavage samples of cases and controls were collected at different time points during SLIT. Interleukin (IL)-33 and other cytokines were estimated in these samples by enzyme-linked immuno sorbent assay (ELISA). Peripheral blood mononuclear cells (PBMC) were prepared and stimulated with rhIL-33 (with or without other stimulators) at different time points during SLIT.


The present results showed that both serum and nasal lavage of IL-33 levels decreased significantly after 12 mo treatment and this trend maintained at least until 24 mo. The decreased nasal IL-33 level was positively correlated to local Th2 cytokines and increased IL-10 expression at 2 y post SLIT treatment. In vitro experiments showed that IL-33 promotes IL-4 and IL-5 and inhibits IL-10 expression by peripheral blood mononuclear cells (PBMCs) in AR.


Decreased IL-33 expression during SLIT may contribute to low Th2 response and enhanced Regulatory T cell cytokines expression. Thus, IL-33 maybe an important predictor during SLIT.


Allergic rhinitis Sublingual immunotherapy Interleukin 33 Th2 cytokines 


Author Contributions

YW, CL, YX conceptualized and designed the study, drafted the initial manuscript, and approved the final manuscript as submitted. DX, GY, FL, XL performed the experiments, coordinated and supervised data collection, reviewed and revised the manuscript, and approved the final manuscript as submitted. CL will act as guarantor for this paper.

Compliance with Ethical Standards

Ethical Approval

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

Conflict of Interest



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Copyright information

© Dr. K C Chaudhuri Foundation 2018

Authors and Affiliations

  1. 1.Department of OtolaryngologyDongguan Women and Children’s HospitalDongguanChina

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