PMID: 6169370Sep 28, 1981Paper

Quantitative aspects of the formation and loss of DNA interstrand crosslinks in Chinese hamster cells following treatment with cis-diamminedichloroplatinum(II) (cisplatin). II. Comparison of results from alkaline elution, DNA renaturation and DNA sedimentation studies

Biochimica Et Biophysica Acta
M F PeraJ J Roberts

Abstract

The formation of interstrand crosslinks in the DNA of cis-diamminedichloroplatinum(II) (cisplatin)-treated Chinese hamster cells has been demonstrated by three independent, highly sensitive techniques: namely those of alkaline elution, renaturation of crosslinked DNA and alkaline sucrose gradient velocity sedimentation. Simultaneous measurement of DNA break frequency by the first two methods and a computer model combined with the third enabled the calculation of crosslink frequency after application of low doses of cisplatin. Good agreement was found between the values obtained by the three methods used here, and also with those obtained by direct measurement of the amount of crosslinked hybrid DNA in density-labelled cells treated with higher doses of cis-platin (Roberts, J.J. and Friedlos, F. (1981) Biochim. Biophys, Acta 655, 146--151). When measured by all three methods described here, crosslinking was found to increase during several hours after treatment and then to decrease with a half-life of between 12 and 24 h. For low initial levels of crosslinking, this was largely attributed to an excision repair process, since the formation of breaks in DNA was only minimal.

References

Oct 19, 1976·Biochemistry·K W KohnC A Friedman

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Citations

Jan 1, 1987·Cancer Metastasis Reviews·M Fox, J J Roberts
Dec 1, 1995·Amino Acids·S KarthikeyanI H Hall
Nov 1, 1982·Proceedings of the National Academy of Sciences of the United States of America·M C PoirierS H Yuspa
Jan 1, 1995·Biomedicine & Pharmacotherapy = Biomédecine & Pharmacothérapie·I H HallJ P Scovill
Jun 27, 2003·Biochemical Pharmacology·Sandrine FaivreJan M Woynarowski
Apr 15, 1986·International Journal of Cancer. Journal International Du Cancer·S de JongE G de Vries
Apr 22, 2018·Current Opinion in Pharmacology·Halley B Rycenga, David T Long
Jan 8, 2000·Journal of Inorganic Biochemistry·J M MalingeM Leng

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