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Whole structural reconstruction and quantification of epidermal innervation through the suction blister method and skin-clearing techniqueopen access

Authors
Kim, Dai HyunLee, Se JeongKim, June HoanPark, Sung JinSeo, Soo HongAhn, Hyo HyunSun, WoongKim, Byung-JoRhyu, Im Joo
Issue Date
5-9월-2022
Publisher
NATURE PORTFOLIO
Citation
SCIENTIFIC REPORTS, v.12, no.1
Indexed
SCIE
SCOPUS
Journal Title
SCIENTIFIC REPORTS
Volume
12
Number
1
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/144084
DOI
10.1038/s41598-022-16986-7
ISSN
2045-2322
Abstract
Three-dimensional (3-D) analysis of intraepidermal nerve fibers (IENFs) is conducted to advance assessment methods for peripheral neuropathies and pruritic skin disorders. The skin-clearing technique was proven to be a reliable method for 3-D imaging of IENFs. Nonetheless, it still requires further improvement in the imaging process. The aim of this study was to standardize the 3-D evaluation method of IENFs and to suggest promising 3-D biomarkers for clinical application. A total of nine healthy individuals were prospectively enrolled. The newly adopted suction blister method was combined with the tissue-clearing technique. The detailed structure of the IENFs was reconstructed and quantified using the neuron tracing software. The suction blister method showed improved linear integrity of IENFs compared with those obtained from the previously used salt-split skin test. The 3-D parameters most significantly related to natural aging were the convex hull two-dimensional perimeter and the total length (both p = 0.020). The meaningful correlations were followed by total volume (p = 0.025), ends (p = 0.026), convex hull 3-D surface, and complexity (both p = 0.030). Thus, the 3-D parameters could be utilized as possible biomarkers to identify ambiguous pathologies of peripheral neuropathies and pruritic skin disorders.
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의과대학 (의학과)
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