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Decreased salivary beta-defensin 2 in children with asthma after treatment with corticosteroid inhaler

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European Archives of Paediatric Dentistry Aims and scope Submit manuscript

Abstract

Purpose

Asthma is the most common chronic disorder in childhood. Inhaled corticosteroid therapy is currently the most effective treatment for Asthma. The oral cavity complications related to this treatment may be in terms of the changes in the innate immune system of mouth. Salivary defensin has many immunomodulatory properties. The expression of beta-defensin 2 was measured before and after inhaled corticosteroid treatment in children with asthma to determine the potential impact of corticosteroids on defensin expression.

Methods

The present study was a cohort study conducted on the patients referred to Children’s Medical Center for whom a diagnosis of Asthma was confirmed, and inhaled corticosteroid therapy was prescribed. Saliva was sampled once at the stage of diagnosis and before receiving any treatment. Another salivary sample was collected 4 weeks after receiving corticosteroids. ELISA was performed to assess beta-defensin 2.

Results

The beta-defensin 2 salivary level after inhaled corticosteroid therapy was significantly lower than before treatment. There is no significant difference in the salivary flow rate before and after treatment.

Conclusions

Considering the limitations of the present study, the following conclusions can be made salivary beta-defensin 2 is decreased in children with asthma after treatment with a corticosteroid inhaler. Regular dental and oral soft tissue examinations in Asthmatic children under corticosteroid therapy could be suggested.

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Data availability

All data generated or analyzed during this study are included in this published article.

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Funding

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Authors and Affiliations

Authors

Contributions

MSM and MSH: contributed to conception and design, drafted manuscript, gave final approval, PSH: contributed to acquisition and interpretation, drafted manuscript, gave final approval and GP: contributed to analysis and interpretation, drafted manuscript, gave final approval.

Corresponding author

Correspondence to M. Shariat.

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Conflict of interest

The authors declare that they have no competing interests.

Ethical approval

The study protocol was reviewed and approved by the Ethics Committee of the Tehran University of Medical Sciences (No.IR.TUMS.DENTISTRY.REC.1398.090) and all methods were carried out in accordance with relevant guidelines and regulations (declaration of Helsinki).

Consent to participate

Written informed consent was also obtained from the children's parents before entering the study.

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Cite this article

Moosavi, MS., Hosseinizade, PS., Panahi, G. et al. Decreased salivary beta-defensin 2 in children with asthma after treatment with corticosteroid inhaler. Eur Arch Paediatr Dent 24, 249–254 (2023). https://doi.org/10.1007/s40368-022-00776-w

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  • DOI: https://doi.org/10.1007/s40368-022-00776-w

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