Abstract
X-ray crystallographic and biochemical investigation of the reaction of cisplatin and oxaliplatin with nucleosome core particle and naked DNA reveals that histone octamer association can modulate DNA platination. Adduct formation also occurs at specific histone methionine residues, which could serve as a nuclear platinum reservoir influencing adduct transfer to DNA. Our findings suggest that the nucleosome center may provide a favorable target for the design of improved platinum anticancer drugs.
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Change history
03 January 2008
dash marks added back into Fig 2a
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Acknowledgements
C.A.D. dedicates this work to the memory of Lois Joan Varallo. Thanks to D. Vasudevan, K.A. Mohideen, C. Schulze-Briese and staff at the X06SA beam line of the Swiss Light Source for assistance with data collection. C.A.D. is very grateful to G.E. Davey for input on the manuscript and unreserved support. This work was supported by a Nanyang Technological University grant and an Academic Research Council grant from the Ministry of Education, Singapore.
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B.W. planned and performed experiments; P.D. provided expertise for footprinting analysis and input on the manuscript; C.A.D. designed research, conducted analysis and wrote the manuscript.
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Wu, B., Dröge, P. & Davey, C. Site selectivity of platinum anticancer therapeutics. Nat Chem Biol 4, 110–112 (2008). https://doi.org/10.1038/nchembio.2007.58
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DOI: https://doi.org/10.1038/nchembio.2007.58
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