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Proceedings Paper

In vivo study of ALA PLGA nanoparticles-mediated PDT for treating cutaneous squamous cell carcinoma
Author(s): Xiaojie Wang; Lei Shi; Zheng Huang; Xiuli Wang
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Paper Abstract

Background: Squamous cell carcinoma (SCC) is a common skin cancer and its treatment is still a challenge. Although topical photodynamic therapy (PDT) is effective for treating in situ and superficial SCC, the effectiveness of topical ALA delivery to thick SCC can be limited by its bioavailability. Polylactic-co-glycolic acid nanopartieles (PLGA NPs) might provide a promising ALA delivery strategy. The aim of this study was to evaluate the efficacy of ALA PLGA NPs PDT for the treatment of cutaneous SCC in a mouse model. Methods: ALA loaded PLGA NPs were prepared and characterized. The therapeutic efficacy of ALA PLGA NP mediated PDT in treating UV-induced cutaneous SCC in the mice model were examined. Results: In vivo study showed that ALA PLGA NPs PDT were more effective than free ALA of the same concentration in treating mouse cutaneous SCC. Conclusion: ALA PLGA NPs provides a promising strategy for delivering ALA and treating cutaneous SCC.

Paper Details

Date Published: 17 September 2014
PDF: 8 pages
Proc. SPIE 9230, Twelfth International Conference on Photonics and Imaging in Biology and Medicine (PIBM 2014), 92301D (17 September 2014); doi: 10.1117/12.2069455
Show Author Affiliations
Xiaojie Wang, Shanghai Skin Diseases Hospital (China)
Lei Shi, Shanghai Skin Diseases Hospital (China)
Zheng Huang, Univ. of Colorado Denver Cancer Ctr. (United States)
Xiuli Wang, Shanghai Skin Diseases Hospital (China)

Published in SPIE Proceedings Vol. 9230:
Twelfth International Conference on Photonics and Imaging in Biology and Medicine (PIBM 2014)
Qingming Luo; Lihong V. Wang; Valery V. Tuchin, Editor(s)

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