Photobiostimulation on wound healing treatment by ClAlPc-nanoemulsion from a multiple-wavelength portable light source on a 3D-human stem cell dermal equivalent.

Abstract:

:This research evaluated the effect of multiple-wave lasertherapy on the healing process of surgical wounds based on in vitro models denominated stem-dermal equivalents. These human skin models were obtained from a co-culture of dermal cells and bone marrow mesenchymal stem cells. The experimental tests were carried out using a LED portable to multiple waves (operating at 660 nm and 810 nm) at different doses to induce photobiostimulation (10 to 70 mJ.cm-2). Moreover, a photosensitizer drug was employed as a new advanced designed nanomaterial, being a nanoemulsion with biopolymers to obtain an efficient drug delivery system to release lipophilic compounds. The studies were performed considering the light combination application monitoring the kinetic contraction of the dermal equivalent model and the quantification of important macromolecules (as metaloproteases derivatives), related directly with wound healing process. Results showed that an appropriate photomodulation using the combination of both wavelengths (in the red and infrared range) is possible, such that it can contribute to wound healing therapy and/or other pathological skin disease treatment.

journal_name

Curr Med Chem

authors

Primo FL,de Paula LB,de Siqueira-Moura MP,Tedesco AC

doi

10.2174/092986712803530502

subject

Has Abstract

pub_date

2012-01-01 00:00:00

pages

5157-63

issue

30

eissn

0929-8673

issn

1875-533X

pii

CMC-EPUB-20120816-3

journal_volume

19

pub_type

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