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. 1966 Sep 30;153(3744):1666-7.
doi: 10.1126/science.153.3744.1666.

Antibodies to photoproducts of deoxyribonucleic acids irradiated with ultraviolet light

L Levine, E Seaman, E Hammerschlag, H Van Vunakis

Antibodies to photoproducts of deoxyribonucleic acids irradiated with ultraviolet light

L Levine et al. Science. .

Abstract

A rabbit immunized with complexes of methylated bovine serum albumin and ultraviolet-irradiated DNA from calf thymus produced antibodies directed toward the photoproducts in the DNA. Serologic activity appeared after irradiation of DNA at 270 mmicro and decreased upon irradiation at 235 mmicro. The antigenic determinants of the ultraviolet-treated DNA appear to be photoproducts associated primarily with thymine, as measured by direct dependence of serologic activity on the adenine-thymine content of the DNA, and by inhibition of the Serlolgic reaction by the irradiated di-,tri-,and tetra-(thymidine-5'-phosphate nucleotides.

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