MALINA, Jaroslav, Olga NOVÁKOVÁ, Bernhard K. KEPPLER, Enzo ALESSIO and Viktor BRABEC. Biophysical analysis of natural, double-helical DNA modified by anticancer heterocyclic complexes of ruthenium(III) in cell-free media. Journal of Biological Inorganic Chemistry. germany: Springer-Verlag, vol. 6, No 1, p. 435-445. ISSN 0949-368. 2001.
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Basic information
Original name Biophysical analysis of natural, double-helical DNA modified by anticancer heterocyclic complexes of ruthenium(III) in cell-free media
Authors MALINA, Jaroslav, Olga NOVÁKOVÁ, Bernhard K. KEPPLER, Enzo ALESSIO and Viktor BRABEC.
Edition Journal of Biological Inorganic Chemistry, germany, Springer-Verlag, 2001, 0949-368.
Other information
Original language English
Type of outcome Article in a journal
Field of Study 10610 Biophysics
Country of publisher Czech Republic
Confidentiality degree is not subject to a state or trade secret
RIV identification code RIV/00216224:14310/01:00004215
Organization unit Faculty of Science
Keywords in English DNA; ruthenium; cytostatika; interakce
Tags cytostatika, DNA, interakce, ruthenium
Changed by Changed by: prof. RNDr. Viktor Brabec, DrSc., učo 46787. Changed: 25/5/2001 15:15.
Abstract
Modifications of natural DNA by three anticancer heterocyclic ruthenium(III) compounds were studied by methods of molecular biophysics. These methods include: DNA binding studies using atomic absorption spectrophotometry, inhibition of restriction endonucleases, mapping of DNA adducts by transcription assay, interstrand cross-linking employing gel electrophoresis under denaturing conditions, DNA unwinding studied by gel electrophoresis, circular dichroism analysis of B to Z transition in DNA and DNA melting curves measured by absorption spectrophotometry. It has been suggested that the altered DNA binding mode of ruthenium compounds in comparison with cisplatin might be an important factor responsible for altered cytostatic activity of this class of ruthenium compounds in tumor cells.
Links
GA305/99/0695, research and development projectName: Ovlivnění konformace DNA protinádorově účinnými komplexy kovů. Vztah k vývoji nových cytostatik.
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