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. 2021 Sep;27(5):715-722.
doi: 10.1111/srt.13006. Epub 2021 Jan 28.

Non-invasive assessment of soluble skin surface biomarkers in atopic dermatitis patients-Effect of treatment

Mads Almose Røpke  1 , Anna Mekulova  2 , Christian Pipper  1 , Maigi Eisen  3 , Kristi Pender  3 , Pieter Spee  2   4 , Sanja Kezic  5
Affiliations

Non-invasive assessment of soluble skin surface biomarkers in atopic dermatitis patients-Effect of treatment

Mads Almose Røpke et al. Skin Res Technol. 2021 Sep.

Abstract

Background: Skin biomarkers are important tools for characterizing specific disease processes in atopic dermatitis (AD) patients and can be used for monitoring and potentially predicting treatment response. Recent developments of minimally invasive skin sampling methods have made sampling easier and less inconvenient for patients. The objective of this study was to evaluate the non-invasive patch technique developed by FibroTx for skin biomarker analysis.

Materials and methods: Ten adult patients with AD were included in the study and treated with topical corticosteroid (diprosone 0.05%) for 2 weeks. Skin surface biomarkers were assessed in three lesional and non-lesional sites before and during treatment using the FibroTx Patch method. Skin tape strips were also collected from the subjects for comparison.

Results: The results showed expression of IL-1 cytokine family members, chemokines, and defensins on lesional and non-lesional skin. Several of these markers were strongly reduced by topical treatment. The biomarker expression in skin surface eluates correlated strongly with those seen in skin tape strips from the same subjects.

Conclusion: These data further support the usefulness of non-invasive sampling methods for assessing inflammatory processes in AD skin and demonstrate that the patch sampling method is a good alternative to skin tape strips.

Keywords: atopic dermatitis; skin surface biomarkers; stratum corneum; tape stripping.

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References

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