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Published in: Lasers in Medical Science 1/2020

01-02-2020 | Skin Graft | Original Article

Effects of red and near-infrared LED light therapy on full-thickness skin graft in rats

Authors: Cintia Cristina Santi Martignago, Carla Roberta Tim, Lívia Assis, Viviane Ribeiro Da Silva, Estefany Camila Bonfim Dos Santos, Fabiana Nascimento Vieira, Nivaldo Antonio Parizotto, Richard Eloin Liebano

Published in: Lasers in Medical Science | Issue 1/2020

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Abstract

The aim of the present study was to evaluate the in vivo response of different wavelengths (red and near-infrared) of light-emitting diode (LED) on full-thickness skin grafts (FTSG) in rats. Thirty rats were randomly allocated into three experimental groups: control group (C); red LED treated group (R); and near-infrared LED group (NIR). Skin grafts were irradiated daily for ten consecutive days, starting immediately after the surgery using a red (630 nm) or near-infrared (850 nm) LED. The results showed that the red wavelength LED significantly enhanced the skin graft score in relation to the NIR group and increased transforming growth factor beta (TGF-β) protein expression and density of collagen fibers compared with the other experimental groups. These results suggest that the red wavelength LED was efficient to improve the dermo-epidermal junction and modulate the expression proteins related to tissue repair.
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Metadata
Title
Effects of red and near-infrared LED light therapy on full-thickness skin graft in rats
Authors
Cintia Cristina Santi Martignago
Carla Roberta Tim
Lívia Assis
Viviane Ribeiro Da Silva
Estefany Camila Bonfim Dos Santos
Fabiana Nascimento Vieira
Nivaldo Antonio Parizotto
Richard Eloin Liebano
Publication date
01-02-2020
Publisher
Springer London
Keyword
Skin Graft
Published in
Lasers in Medical Science / Issue 1/2020
Print ISSN: 0268-8921
Electronic ISSN: 1435-604X
DOI
https://doi.org/10.1007/s10103-019-02812-6

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