Journal
TOXICOLOGY
Volume 276, Issue 3, Pages 192-197Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.tox.2010.08.004
Keywords
Inflammation; MAPK; PEP-1-rpS3; TPA
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Funding
- Ministry of Education, Science and Technology [2009-0086319, 2009-0093812]
- National Research Foundation of Korea [2009-0086319] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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This study investigated the preventive effect of ribosomal protein S3 (rpS3) on 12-O-tetradecanoylphorbol-13-acetate (TPA)-induced ear edema in mice. A cell permeable expression vector PEP-1-rpS3 was constructed. Topical application of the vector markedly inhibited TPA-induced expression levels of cyclooxygenase-2 (COX-2) and pro-inflammatory cytokines. Application of PEP-1-rpS3 also resulted in a significant reduction in the activation of nuclear factor-kappa B (NF-kappa B) and mitogen-activated protein kinase (MAPK) in TPA-treated ears. These results indicate that PEP-1-rpS3 inhibits inflammatory response cytokines and enzymes by blocking NF-kappa B and MAPK, prompting the suggestion that PEP-1-rpS3 can be used as a therapeutic agent against skin inflammation. (C) 2010 Elsevier Ireland Ltd. All rights reserved.
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