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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Identification of individual benzo[c]phenanthrene dihydrodiol epoxide-DNA adducts by the 32P-postlabeling assay.

Purine deoxyribonucleoside 3'-phosphates were reacted separately with the four configurational isomers of benzo[c]phenanthrene 3,4-dihydrodiol 1,2-epoxide. Products resulting from the cis and trans opening of the epoxide ring by the exocyclic amino groups of deoxyadenosine and deoxyguanosine 3'-phosphates were separated by high-pressure liquid chromatography and identified by comparison of the observed circular dichroism spectra with the known spectra for the corresponding nucleoside adducts. The 16 structurally identified benzo[c]phenanthrene-purine deoxyribonucleoside 3'-phosphate adducts were then separately postlabeled according to the Randerath method, and the positions of the individual bisphosphates were mapped by thin-layer chromatography. Chromatographic conditions were developed that allowed separation of the four adducts for 3 of the 4 dihydrodiol epoxide isomers.[1]

References

  1. Identification of individual benzo[c]phenanthrene dihydrodiol epoxide-DNA adducts by the 32P-postlabeling assay. Canella, K.A., Peltonen, K., Yagi, H., Jerina, D.M., Dipple, A. Chem. Res. Toxicol. (1992) [Pubmed]
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