DNA interactions of antitumor cisplatin analogs containing enantiomeric amine ligands

Autoři MALINA Jaroslav — HOFR Ctirad — MARESCA Lucciana — NATILE Giovanni — BRABEC Viktor
Druh Článek v odborném periodiku
Citace MALINA, Jaroslav, Ctirad HOFR, Lucciana MARESCA, Giovanni NATILE a Viktor BRABEC. DNA interactions of antitumor cisplatin analogs containing enantiomeric amine ligands. Biophysical Journal, New York, USA: Rockefeller University, 2000, roč. 2000, č. 78, s. 2008-2021. ISSN 0006-3465.
Originální jazyk angličtina
Obor Biofyzika
Klíčová slova

Modifications of natural DNA and synthetic oligodeoxyribonucleotide duplexes in a cell-free medium by analogues of antitumor cisplatin containing enantiomeric amine ligands, such as cis-[PtCl2(RR-DAB)] and cis-[PtCl2(SS-DAB)] (DAB = 2,3-diaminobutane), were studied by various methods of molecular biophysics and biophysical chemistry. The major differences resulting from the modification of DNA by the two enantiomers consist in the thermodynamical destabilization and conformational distortions induced in DNA by the 1,2-d(GpG) intrastrand cross-link. It has been suggested that these differences are associated with a different biological activity of the two enantiomers observed previously.

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