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. 2014 Jan 23;15(2):1686–1699. doi: 10.3390/ijms15021686

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© 2014 by the authors; licensee MDPI, Basel, Switzerland

This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).

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Figure 2. — Dose-dependent inhibition of UVA irradiation on type I procollagen expression in human skin fibroblast cells. The expression of type I procollagen in human skin fibroblast cells (Hs68 cells) followed by treatment of various doses of UVA. The cells were then assigned for Western blotting. Data shown here are the mean ± SD of at least three independent experiments. ^* p < 0.05 vs. UVA 0 J/cm².