ORIGINAL ARTICLE

The role of psychological stress in atopic dermatitis through an increase of IL-31

Made Wardhana , Nyoman Suryawati, Luh Made Mas Rusyati

Made Wardhana
Dermatology and Venereology Department, Faculty of Medicine, Universitas Udayana-Sanglah General Hospital, Bali-Indonesia. Email: [email protected]

Nyoman Suryawati
Dermatology and Venereology Department, Faculty of Medicine, Universitas Udayana-Sanglah General Hospital, Bali-Indonesia

Luh Made Mas Rusyati
Dermatology and Venereology Department, Faculty of Medicine, Universitas Udayana-Sanglah General Hospital, Bali-Indonesia
Online First: February 02, 2020 | Cite this Article
Wardhana, M., Suryawati, N., Rusyati, L. 2020. The role of psychological stress in atopic dermatitis through an increase of IL-31. Bali Medical Journal 9(1): 27-30. DOI:10.15562/bmj.v9i1.1648


Abstract

Introduction: Atopic dermatitis occurs due to multifactorial interactions such as genetic, environmental, impaired skin barrier function, immunological factors, infection and post-psychological stress. Th1 cells and some proinflammatory cytokines such as IL-6, IL-10 and others play a role in the pathogenesis of atopic dermatitis, also IL-31. IL-31, including cytokines of the IL-6 family expressed mainly on CD4 T cells. Many researchers also associate stress with the occurrence of atopic dermatitis, stress will trigger the release of these cytokines from immune cells (e.g. IL-6, TNF α). The aim of the study is determine correlation  between stress and increase in IL-31 level in person with atopic dermatitis

Method: We designed a case-control study including  58 patient, range from 14-65 years old. Diagnosis of atopic dermatitis is established based on Hanifin and Rajka criteria, and the severity based on SCORAD. Venous blood was collected for IL-31 examination, stress index was measured by interview according to the Holmes-Rahe stress scale test method.

Result: In this study, the stress index in atopic dermatitis was 102.26 + 11.71, and in control 61.35 + 19.87 there was a significant difference with p <0.005. IL-31 levels in atopic dermatitis were 274.44 + 95.35, higher than controls 129.44 + 85.45, significantly with p<0.005. The results of linear regression between stress index and severity of dermatitis (SCORAD), appeared to have a moderate positive correlation with r = 0.04. OR 4.56 (95% CI 2.78-11.56).

Conclusions: From this study it can be concluded that stress increases IL-31 levels and positively correlates with the severity of atopic dermatitis.

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