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New cytotoxic butyltin complexes with 2-sulfobenzoic acid: Molecular interaction with lipid bilayers and DNA as well as in vitro anticancer activity
H. Pruchnik, T. Kral, D. Poradowski, A. Pawlak, A. Drynda, B. Obmińska-Mrukowicz, M. Hof,
Jazyk angličtina Země Irsko
Typ dokumentu časopisecké články, práce podpořená grantem
Odkazy
PubMed
26585592
DOI
10.1016/j.cbi.2015.11.007
Knihovny.cz E-zdroje
- MeSH
- antitumorózní látky chemie farmakologie MeSH
- benzensulfonáty chemie farmakologie MeSH
- benzoáty chemie farmakologie MeSH
- DNA chemie metabolismus MeSH
- konformace nukleové kyseliny účinky léků MeSH
- krystalografie rentgenová MeSH
- léky antitumorózní - screeningové testy MeSH
- lidé MeSH
- lipidové dvojvrstvy chemie metabolismus MeSH
- molekulární modely MeSH
- nádorové buněčné linie MeSH
- nádory farmakoterapie MeSH
- organocínové sloučeniny chemie farmakologie MeSH
- Check Tag
- lidé MeSH
- Publikační typ
- časopisecké články MeSH
- práce podpořená grantem MeSH
New butyltin complexes with 2-sulfobenzoic acid: [Sn(C4H9)2{O3SC6H4COO-2}(H2O)]·(C2H5OH) (DBTsbz), [Sn(C4H9)3{O3SC6H4COOH-2}] (TBTsbz) and [Sn2(C4H9)6{μ-O3SC6H4COO-2}] (DTBTsbz) are very effective cytotoxic agents against tumor cells. The molecular interaction of these complexes with lipid membranes and DNA has been investigated. The IR spectra and changes of (1)H, (13)C chemical shifts suggest that SO3 and COO groups of 2-sulfobenzoato ligand interact with O atom of glycerin fragment of DPPC. Moreover, the compounds form Sn-OP bonds with phosphate groups of DPPC, which was shown by the lower frequency shift of the νs(PO2(-)) and νas(PO2(-)) band, by change of (31)P NMR signals and by DFT calculation. Another possibility is the interaction of the phosphate group of DPPC owing to formation of hydrogen bond O-H…O-P between water molecule coordinated to Sn and oxygen atom from the phosphate group. Using TCSPC-FCS we characterized DNA supramolecular assemblies' formation upon increasing TBTsbz, DTBTsbz and DBTsbz concentration. Diffusion time, lifetime and particle number changes are altered systematically with increasing Ccomp/CDNAbp ratio in following effectiveness order DBTsbz > TBTsbz > DTBTsbz. From those parameters we can conclude that all these compounds lead to a change of DNA winding, strand but not to DNA compaction. Investigated compounds show very high cytotoxic activity against cancer cell lines. All compounds exhibit efficient in vitro antitumor activity toward Jurkat (T-cell leukemia), CL-1 (T-lymphoblastoid cell line), GL-1 (B cell lymphoma cell line) and D-17 (canine osteosarcoma). The DBTsbz is more effective then carboplatin against canine osteosarcoma.
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- $a Pruchnik, Hanna $u Department of Physics and Biophysics, Wrocław University of Environmental and Life Sciences, ul. Norwida 25, 50-375 Wrocław, Poland. Electronic address: hanna.pruchnik@up.wroc.pl.
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