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Issue 44, 2016
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Synergistic inhibitory effects of naproxen in combination with magnolol on TPA-induced skin inflammation in mice

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Abstract

The combination of naproxen with herbs having a range of pharmacological effects is a potential alternative to improve their bioactivity and limit their adverse effects. Inspired by magnolol, an active constituent found in the bark of Magnolia officinalis, we therefore evaluated the efficacy of naproxen (N) plus magnolol (M) in 12-O-tetradecanoylphorbol-13-acetate (TPA)-induced skin inflammation. During application, treatment with N and M significantly reduced skin inflammation, and the combination of N and M resulted in a synergistic effect. Further mechanistic investigations clearly demonstrated that A3 (N : M = 1 : 3, mol mol−1) markedly suppressed TPA-induced pro-inflammatory cytokines and COX-2 expressions, inhibited NF-κB activity, downregulated IκBα and IκB kinase (IKK) activities, and inhibited PI3K/Akt and PI3K/PKC signaling pathways. These results indicated that a combination of N and M effectively inhibited TPA-induced skin inflammation via blocking PI3K/Akt/IKK and PI3K/PKC/IKK signaling pathways.

Graphical abstract: Synergistic inhibitory effects of naproxen in combination with magnolol on TPA-induced skin inflammation in mice

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Publication details

The article was received on 12 Feb 2016, accepted on 02 Apr 2016 and first published on 12 Apr 2016


Article type: Paper
DOI: 10.1039/C6RA03926J
Citation: RSC Adv., 2016,6, 38092-38099
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    Synergistic inhibitory effects of naproxen in combination with magnolol on TPA-induced skin inflammation in mice

    Y. Yue, W. Liu, W. Zhou, M. Chen, B. Huang, L. Zhang, Z. Wang, Y. He, K. Zhang, X. Zheng and Z. Du, RSC Adv., 2016, 6, 38092
    DOI: 10.1039/C6RA03926J

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