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Title: In Vitro Evaluation of Chloroaluminum Phthalocyanine Nanoemulsion and Low-Level Laser Therapy on Human Skin Dermal Equivalents and Bone Marrow Mesenchymal Stem Cells
Authors: Primo, F. L.
Reis, M. B. da Costa [UNIFESP]
Porcionatto, Marimélia Aparecida [UNIFESP]
Tedesco, Antonio Claudio [UNIFESP]
Universidade de São Paulo (USP)
Universidade Federal de São Paulo (UNIFESP)
Keywords: Dermal equivalents
mesenchymal stem cells
tissue engineering
photodynamic process
human fibroblast
low-level laser therapy
matrix metalloproteinases
Issue Date: 1-Aug-2011
Publisher: Bentham Science Publ Ltd
Citation: Current Medicinal Chemistry. Sharjah: Bentham Science Publ Ltd, v. 18, n. 22, p. 3376-3381, 2011.
Abstract: Nanotechnology and tissue engineering are promising scientific fields in the development of advanced materials useful to human health. This article describes the preparation of a nanocarrier for the controlled release of a photosensitizer compound associated with low-level light therapy for skin wound healing treatment and applicable to other skin diseases. A biological model was used as an in vitro skin equivalent based on a three-dimensional culture of fibroblasts and mesenchymal stem cells and denominated by dermal equivalent (DE). Results show that it is possible to use the photomodulation process to control the wound healing in a scratching process and to induce the biomolecules release, both of which are related with the inflammatory wound healing process. In the studies, the MMP-2 and MMP-9 expression from zymography analyses were evaluated. All results showed a dependence on enzymatic activity relating to low-level laser applications which indicates a potential application in wound healing processes based on phototherapy and nanotechnology.
ISSN: 0929-8673
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