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자료유형
학술저널
저자정보
Cai, Bao-Xiang (Department of Dermatology, the First Affiliated Hospital of Nanjing Medical University) Luo, Dan (Department of Dermatology, the First Affiliated Hospital of Nanjing Medical University) Lin, Xiang-Fei (Department of Dermatology, the First Affiliated Hospital of Nanjing Medical University) Gao, Jie (Department of Dermatology, the First Affiliated Hospital of Nanjing Medical University)
저널정보
대한약학회 Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea 제31권 제11호
발행연도
2008.1
수록면
1,483 - 1,488 (6page)

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Ultraviolet (UV)-induced DNA damage is a crucial molecular trigger for sunburn cell formation and skin cancer. Nucleotide excision repair (NER) is the main mechanism in repairing UVB-induced DNA damage of mammalian cells. The purpose of this study is to investigate the functional role of ginsenoside compound K on HaCaT cells (a keratinocyte-derived permanent cell line) irradiated by UV. Hoechst 33258 staining were performed in analyzing UV-induced apoptosis on keratinocytes which were treated with compound K. ImmunoDotBlot assay was used in detecting cyclobutane pyrimidine dimers, the main DNA damage. Western blot analysis was applied for analyzing XPC and ERCC1, two of the NER proteins. Compound K inhibited UV-induced apoptosis of keratinocytes and caused a notable reduction in UV-specific DNA lesions which was due to induction of DNA repair. In agreement with this, compound K induced the expression of particular components of the NER complex, such as XPC and ERCC1. Our results demonstrate that compound K can protect cells from apoptosis induced by UV radiation by inducing DNA repair.

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