The effect of green tea on ultraviolet B-induced sunburn cell production in the skin of hairless mouse
2005
Kim, S.H. (Chonnam National University, Gwangju, Republic of Korea), E-mail: shokim@chonnam.ac.kr | Jang, J.S. (Sangju National University, Sangju, Republic of Korea) | Jo, S.K. (Korea Atomic Energy Research Institute, Daejeon, Republic of Korea) | Kim, S.R. (Chonnam National University, Gwangju, Republic of Korea) | Lee, H.J. (Chonnam National University, Gwangju, Republic of Korea) | Lee, J.H. (Chonnam National University, Gwangju, Republic of Korea) | Kim, Y.J. (Chonnam National University, Gwangju, Republic of Korea) | Kim, J.C. (Chonnam National University, Gwangju, Republic of Korea)
In this study we assessed the influences of ultraviolet (UV) light B radiation on epidermal cells by apoptotic sunburn cell (SBC) and the effect of green tea treatment on the inhibition of SBC formation in SKH1-hr mouse. The extent of changes following 200 mJ/㎠ (0.5 mW/sec) was studied at 0, 3, 6, 12, 18, 24, 30 or 36 hours after exposure. SBCs were recognized by 3 hours after irradiation. There was tendency to increase from 3 hours to 24 hours and decrease from then to 36 hours after irradiation. The mice that received 0, 25, 50, 100, 200, 400 or 800 mJ/㎠ of UVB were examined 24 hours after irradiation.
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