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[A-4.1 Carcinogenic Effects of UVB Irradiation on Skin]

[Contact Person]

Yasunobu Aoki
Section Chief
Environmental Health Sciences Division, National Institute for Environmental
Studies, Environmental Agency
16-2 Onogawa, Tsukuba, Ibaraki 305 Japan
Tel: +81-298-50-2390, Fax: +81-298-50-2588
E-mail: ybaoki@nies.go.jp

[Total Budget for FY1994-FY1996]

25,482,000 Yen (6,697,000 Yen)

[Abstract]

　The objective of this study are to elucidate the carcinogenic process of UV-B in order to obtain fundamental minformation on the risk of human health by exposure to UV-B.

1 . Mutations in mammlian cells caused by exposure to UV-B

[Key Words]

Skin cancer, Expression of proto-oncogene, Immune competent cells, Mutagenicity