Sequence-dependent conformational changes in DNA induced by polynuclear platinum complexes

TD McGregor, Z Balcarová, Y Qu, MC Tran… - Journal of inorganic …, 1999 - Elsevier
In this work, the B→ Z transition of poly (dG-dC)· poly (dG-dC) and the B→ A transition of
poly (dG)· poly (dC) and of calf thymus (CT) DNA fragments modified by antitumor …

Trifunctional dinuclear platinum complexes as DNA− protein cross-linking agents

M Kloster, H Kostrhunova, R Zaludova, J Malina… - Biochemistry, 2004 - ACS Publications
The trifunctional dinuclear platinum compounds 1, 2/c, c [{cis-PtCl (NH3) 2} μ-H2N (CH2)
6NH2 {cis-PtCl2 (NH3)}]+ and 1, 2/t, c [{trans-PtCl (NH3) 2} μ-H2N (CH2) 6NH2 {cis-PtCl2 …

Synthesis and DNA conformational changes of non-covalent polynuclear platinum complexes

Y Qu, A Harris, A Hegmans, A Petz… - Journal of inorganic …, 2004 - Elsevier
Polynuclear platinum compounds demonstrate many novel phenomena in their interactions
with DNA and proteins as well as novel anti-cancer activities. Previous studies indicated that …

A circular dichroism study of ethidium bromide binding to Z-DNA induced by dinuclear platinum complexes

PK Wu, M Kharatishvili, Y Qu, N Farrell - Journal of inorganic biochemistry, 1996 - Elsevier
Dinuclear bis (platinum) complexes have been shown previously to induce the B→ Z
transition in synthetic DNAs (Nucleic Acids Res. 7, 1697–1703; J. Inorganic Biochem. 54 …

DNA interactions of bifunctional dinuclear platinum (II) antitumor agents

R Žaludová, A Žákovská, J Kašpárková… - European Journal of …, 1997 - Wiley Online Library
Modifications of natural DNA in a cell‐free medium by dinuclear bisplatinum complexes with
equivalent coordination spheres, represented by the general formula [{trans‐PtCl (NH3) 2} 2 …

Cooperative effects in long-range 1,4 DNA-DNA interstrand cross-links formed by polynuclear platinum complexes: an unexpected syn orientation of adenine bases …

Y Qu, NJ Scarsdale, MC Tran, NP Farrell - JBIC Journal of Biological …, 2003 - Springer
The novel phase II anticancer drug BBR3464 ([{trans-PtCl (NH 3) 2} 2-µ-{trans-Pt (NH 3) 2
(NH 2 (CH 2) 6 NH 2) 2}](NO 3) 4) forms a 1, 4-interstrand cross-link adduct with the self …

Chemical reactivity and DNA sequence specificity of formally monofunctional and bifunctional bis (platinum) complexes

PK Wu, B Van Houten, Y Qu, N Farrell - Journal of inorganic biochemistry, 1994 - Elsevier
The synthesis of the formally monofunctional bis (platinum) complex [{Pt (NH} 3) 3 μ-H 2 N
(CH 2) 4 NH 2-{trans-PtCl (NH 3) 2}] 3+(1, 0/t) is reported. The interactions of this species …

Circular dichroism study of the irreversibility of conformational changes induced by polyamine-linked dinuclear platinum compounds

TD McGregor, W Bousfield, Y Qu, N Farrell - Journal of inorganic …, 2002 - Elsevier
In this work, the reversibility of both the B→ Z and B→ A conformational change in polymer
DNA induced by polynuclear platinum compounds was studied. The compounds examined …

Comparison of structural effects in 1, 4 DNA–DNA interstrand cross-links formed by dinuclear and trinuclear platinum complexes

Y Qu, NJ Scarsdale, MC Tran, N Farrell - Journal of inorganic biochemistry, 2004 - Elsevier
The novel anticancer drug ([{trans-PtCl (NH3) 2} 2-μ-{trans-Pt (NH3) 2 (NH2 (CH2) 6NH2)
2}](NO3) 4)(BBR3464, 1, 0, 1/t, t, t, TPC) forms a 1, 4-interstrand cross-linked adduct with the …

Comparison of the mode of action of a dinuclear platinum complex containing a pyridine derivative with its monomeric analog

G Zhao, H Lin, P Yu, H Sun, S Zhu, Y Chen - Chemico-biological …, 1998 - Elsevier
The DNA binding and interstrand cross-linking properties of the dinuclear platinum complex
[{cis-Pt (NH3) 2Cl} 2bpsu](NO3) 2 (bpsu is 4, 4′-dipyridyl sulfide)(II) and the mononuclear …