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Article

Involvement of microRNAs in epigallocatechin gallate-mediated UVB protection in human dermal fibroblasts

  • Authors:
    • In-Sook An
    • Sungkwan An
    • Seyeon Park
    • Sung Nae Lee
    • Seunghee Bae
  • View Affiliations / Copyright

    Affiliations: Korea Institute for Skin and Clinical Sciences, Seoul 143-701, Republic of Korea, Molecular-Targeted Drug Research Center, Konkuk University, Seoul 143-701, Republic of Korea, Department of Applied Chemistry, Dongduk Women's University, Seoul 136-714, Republic of Korea, Department of Cosmetology, Kyung-In Women's College, Incheon 407-740, Republic of Korea
  • Pages: 253-259
    |
    Published online on: October 17, 2012
       https://doi.org/10.3892/or.2012.2083
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Abstract

The green tea polyphenol epigallocatechin-3-gallate (EGCG) is a potent anti-oxidant and anticancer compound. Recently, EGCG-mediated UVB photoprotection was reported in normal human dermal fibroblasts (NHDFs); however, the molecular mechanism underlying this process remains unknown. Thus, we investigated the EGCG-specific microRNAs (miRNAs) involved in the UVB protective response in NHDFs. WST-1 assays confirmed that low doses (<50 µM) of EGCG were non-cytotoxic and capable of recovering NHDF cell viability following UVB irradiation up to 83.7% compared to the control cells. Microarray analysis identified several miRNAs that were upregulated and downregulated significantly in this UVB protective response, with downregulated miRNAs outnumbering the upregulated ones. Bioinformatic studies, including miRNA target gene prediction and gene ontology analysis, revealed that the EGCG-specific miRNAs may control genes involved in transcription regulation and inhibition of apoptosis, but not MAPK activation, in NHDFs. Therefore, these results suggest that EGCG may serve as a potential natural photoprotective agent against UVB-mediated damage in NHDFs by altering specific miRNA expression.
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Copy and paste a formatted citation
Spandidos Publications style
An I, An S, Park S, Lee SN and Bae S: Involvement of microRNAs in epigallocatechin gallate-mediated UVB protection in human dermal fibroblasts. Oncol Rep 29: 253-259, 2013.
APA
An, I., An, S., Park, S., Lee, S.N., & Bae, S. (2013). Involvement of microRNAs in epigallocatechin gallate-mediated UVB protection in human dermal fibroblasts. Oncology Reports, 29, 253-259. https://doi.org/10.3892/or.2012.2083
MLA
An, I., An, S., Park, S., Lee, S. N., Bae, S."Involvement of microRNAs in epigallocatechin gallate-mediated UVB protection in human dermal fibroblasts". Oncology Reports 29.1 (2013): 253-259.
Chicago
An, I., An, S., Park, S., Lee, S. N., Bae, S."Involvement of microRNAs in epigallocatechin gallate-mediated UVB protection in human dermal fibroblasts". Oncology Reports 29, no. 1 (2013): 253-259. https://doi.org/10.3892/or.2012.2083
Copy and paste a formatted citation
x
Spandidos Publications style
An I, An S, Park S, Lee SN and Bae S: Involvement of microRNAs in epigallocatechin gallate-mediated UVB protection in human dermal fibroblasts. Oncol Rep 29: 253-259, 2013.
APA
An, I., An, S., Park, S., Lee, S.N., & Bae, S. (2013). Involvement of microRNAs in epigallocatechin gallate-mediated UVB protection in human dermal fibroblasts. Oncology Reports, 29, 253-259. https://doi.org/10.3892/or.2012.2083
MLA
An, I., An, S., Park, S., Lee, S. N., Bae, S."Involvement of microRNAs in epigallocatechin gallate-mediated UVB protection in human dermal fibroblasts". Oncology Reports 29.1 (2013): 253-259.
Chicago
An, I., An, S., Park, S., Lee, S. N., Bae, S."Involvement of microRNAs in epigallocatechin gallate-mediated UVB protection in human dermal fibroblasts". Oncology Reports 29, no. 1 (2013): 253-259. https://doi.org/10.3892/or.2012.2083
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