Identification of skin aging biomarkers correlated with the biomechanical properties

Seo Hyeong Kim, Ji Hye Kim, Jang Mi Suk, Young In Lee, Jihee Kim, Ju Hee Lee, Kwang Hoon Lee

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

Background: Skin aging can be described as a combination of intrinsic and extrinsic aging. Various parameters for evaluating skin characteristics have been proposed. However, an accurate biomarker for skin aging and the relationship between biomarkers and biomechanical parameters of the skin is yet to be explored. Materials and Methods: This study included 20 subjects by age. Skin aging was measured using non-invasive devices. Skin tissues were acquired through punch biopsy for immunohistochemistry and qRT-PCR of skin aging biomarkers, and analyzed correlation both, validated their use. Results: Biomechanical properties of skin aging decreased with age. Among the biomarkers previously reported, we found that the expression of Moesin, TXNDC5, RhoGDI, and RSU1 decreased, while that of Vimentin and FABP5 increased with age. Pearson correlation showed that the expression levels of TXNDC5, RhoGDI, RSU1, and Vimentin were significantly correlated with the results of non-invasive measurements. In addition, the expression of TXNDC5, RhoGDI, and RSU1 increased, while that of Vimentin decreased, in skin explants upon treatment with one of the anti-aging compounds, retinoic acid. Conclusion: From this study, we identified practical molecular biomarkers of skin aging, TXNDC5, RhoGDI, RSU1, and Vimentin, which correlated with the skin biomechanical properties of skin aging.

Original languageEnglish
Pages (from-to)940-947
Number of pages8
JournalSkin Research and Technology
Volume27
Issue number5
DOIs
Publication statusPublished - 2021 Sept

Bibliographical note

Funding Information:
This work was supported by the Technology Development Program (S2652600) funded by the Ministry of SMEs and Startups (MSS, Korea). This study is partially supported by the Yonsei University Faculty Research Grant (No. 6‐2020‐0081).

Publisher Copyright:
© 2021 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd.

All Science Journal Classification (ASJC) codes

  • Dermatology

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