Author： Rosenstein Barry S.
Publisher： Informa Healthcare
ISSN： 1362-3095
Source： International Journal of Radiation Biology, Vol.45, Iss.1, 1984-01, pp. : 85-91
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Abstract
Exposure of ICR 2A frog cells to 265, 289, 302 or 313 nm U.V. radiation caused a decrease in the MI of the irradiated cells in a fluence-dependent fashion. Treatment of cells with PRL immediately after U.V.-irradiation resulted in a smaller decrease in the MI, demonstrating that pyrimidine dimers played a role in the mitotic inhibition induced by these U.V. wavelengths. The effect of PRL on 313 nm-irradiated cells was much smaller than for the other wavelengths tested, indicating that non-dimer photoproducts were of importance in the mitotic inhibition induced by this U.V. wavelength.
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