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Published in: Lasers in Medical Science 5/2012

01-09-2012 | Original Article

Fluorescence spectroscopy as a tool to detect and evaluate glucocorticoid-induced skin atrophy

Authors: Moyses Costa Lemos, Wagner Rafael Correr, Lucimar Retto da Silva de Avó, Carla Maria Ramos Germano, Cristina Kurachi, Igor Polikarpov, Débora Gusmão Melo

Published in: Lasers in Medical Science | Issue 5/2012

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Abstract

Topical glucocorticoid (GC) therapy has been successfully used in the treatment of several common cutaneous diseases in clinical practice for a long time, and skin atrophy is one of the most typical cutaneous side effects of this therapy. The aim of this study was to evaluate the potential of noninvasive fluorescence spectroscopy (FS) technique in the detection and classification of GC-induced skin atrophy. A total of 20 male Wistar rats were used in the experimental protocol under controlled environmental conditions and with free access to food. One group received topical application of clobetasol propionate 0.05% for 14 days to induce cutaneous atrophy (atrophic group) and the other (control) group received only vehicle application following the same protocol and schedule. Histological analyses and FS measurements with laser excitation at both 532 nm and 408 nm were obtained on days 1 and 15. The FS results were classified as "normal" or "atrophic" according by histological analysis. Fluorescence spectra obtained with excitation at 408 nm allowed a clear distinction between the control and atrophic groups, and were more informative than the those obtained at 532 nm. Our results reveal that, if correctly applied, FS allows noninvasive evaluation of corticosteroid-induced skin atrophy, and thus represents an important step towards better monitoring of undesirable side effects of cutaneous therapy.
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Metadata
Title
Fluorescence spectroscopy as a tool to detect and evaluate glucocorticoid-induced skin atrophy
Authors
Moyses Costa Lemos
Wagner Rafael Correr
Lucimar Retto da Silva de Avó
Carla Maria Ramos Germano
Cristina Kurachi
Igor Polikarpov
Débora Gusmão Melo
Publication date
01-09-2012
Publisher
Springer-Verlag
Published in
Lasers in Medical Science / Issue 5/2012
Print ISSN: 0268-8921
Electronic ISSN: 1435-604X
DOI
https://doi.org/10.1007/s10103-011-1045-4

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