2013
DOI: 10.1002/chem.201203127
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Biotransformations of Anticancer Ruthenium(III) Complexes: An X‐Ray Absorption Spectroscopic Study

Abstract: An anti-metastatic drug, NAMI-A ((ImH)[Ru(III) Cl4 (Im)(dmso)]; Im=imidazole, dmso=S-bound dimethylsulfoxide), and a cytotoxic drug, KP1019 ((IndH)[Ru(III) Cl4 (Ind)2 ]; Ind=indazole), are two Ru-based anticancer drugs in human clinical trials. Their reactivities under biologically relevant conditions, including aqueous buffers, protein solutions or gels (e.g, albumin, transferrin and collagen), undiluted blood serum, cell-culture medium and human liver (HepG2) cancer cells, were studied by Ru K-edge X-ray abs… Show more

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Cited by 67 publications
(108 citation statements)
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“…It is well-recognized that ruthenium complexes bind to surface-accessible histidyl imidazoles of albumin and transferrin after their intravenous administration. [31][32][33][34] Such interactions could be responsible for drug inactivation (related to resistance) or activation (e.g., in the case of prodrugs) and drug delivery. Histidine forms a crucial part of many biological systems through binding to heme proteins and is a part of the catalytic sites in certain enzymes.…”
Section: Introductionmentioning
confidence: 99%
“…It is well-recognized that ruthenium complexes bind to surface-accessible histidyl imidazoles of albumin and transferrin after their intravenous administration. [31][32][33][34] Such interactions could be responsible for drug inactivation (related to resistance) or activation (e.g., in the case of prodrugs) and drug delivery. Histidine forms a crucial part of many biological systems through binding to heme proteins and is a part of the catalytic sites in certain enzymes.…”
Section: Introductionmentioning
confidence: 99%
“…A NAMI-A komplexnél sejten kívüli támadáspontokat feltételeznek. Röntgenfluoreszcencia mikroszkópos és röntgenabszorpciós spektroszkópiás vizsgálatok azt bizonyítják, hogy a sejtekbe alig lép be, viszont a sejtközötti mátrix fehérjéivel kölcsönhatásba lép, így megakadályozza a kóros sejtcsoportok leszakadását és szóródását a szervezetben [38][39][40]. A KP1019 ezzel szemben belép a sejtekbe, a sejtmagban lévő DNS-sel kölcsönhatásba lép, és képes keresztkötések révén megtörni a kettős hélix szerkezetet.…”
Section: Kp1019 Kp1339unclassified
“…A KP1019 ezzel szemben belép a sejtekbe, a sejtmagban lévő DNS-sel kölcsönhatásba lép, és képes keresztkötések révén megtörni a kettős hélix szerkezetet. Ezt a fajta károsodást a DNSjavító mechanizmusok kevésbé képesek felismerni, mint a ciszplatin esetében [4,39].…”
Section: Kp1019 Kp1339unclassified
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