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Description
| - We describe an ellipticine derivative-bound iodine-125 attached to hydrazide moieties containing poly[N-(2-hydroxypropyl)methacrylamide]. The system is completely stable at pH 7.4, while iodine-containing biologically active intercalator is released upon decrease of pH (25% intercalator released after 24 h incubation at pH 5.0—model of late endosomes). Both 2-N-(2-oxobutyl)-9-iodoellipticinium bromide and the noniodinated 2-N-(2-oxobutyl)ellipticinium bromide are potent intercalators, as proven by direct titration with DNA and ethidium displacement assay, and readily penetrate into cell nuclei, as proven by confocal microscopy. They retain chemotherapeutical antiproliferative properties of ellipticine against Raji, EL-4, and 4T1cells with IC50 in the range 0.27–8.8 μmol/L. Polymer conjugate of 2-N-(2-oxobutyl)-9-iodoellipticinium bromide is internalized into endosomes, releases active drug, possesses cytotoxic activity, and the drug accumulates in cell nuclei.
- We describe an ellipticine derivative-bound iodine-125 attached to hydrazide moieties containing poly[N-(2-hydroxypropyl)methacrylamide]. The system is completely stable at pH 7.4, while iodine-containing biologically active intercalator is released upon decrease of pH (25% intercalator released after 24 h incubation at pH 5.0—model of late endosomes). Both 2-N-(2-oxobutyl)-9-iodoellipticinium bromide and the noniodinated 2-N-(2-oxobutyl)ellipticinium bromide are potent intercalators, as proven by direct titration with DNA and ethidium displacement assay, and readily penetrate into cell nuclei, as proven by confocal microscopy. They retain chemotherapeutical antiproliferative properties of ellipticine against Raji, EL-4, and 4T1cells with IC50 in the range 0.27–8.8 μmol/L. Polymer conjugate of 2-N-(2-oxobutyl)-9-iodoellipticinium bromide is internalized into endosomes, releases active drug, possesses cytotoxic activity, and the drug accumulates in cell nuclei. (en)
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Title
| - Ellipticine-aimed polymer-conjugated Auger electron emitter: multistage organelle targeting approach
- Ellipticine-aimed polymer-conjugated Auger electron emitter: multistage organelle targeting approach (en)
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skos:prefLabel
| - Ellipticine-aimed polymer-conjugated Auger electron emitter: multistage organelle targeting approach
- Ellipticine-aimed polymer-conjugated Auger electron emitter: multistage organelle targeting approach (en)
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skos:notation
| - RIV/61388971:_____/11:00360736!RIV12-AV0-61388971
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http://linked.open...avai/predkladatel
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
| - P(1M0505), P(GAP108/10/1560), P(GPP207/10/P054), P(IAAX00500803), Z(AV0Z40500505), Z(AV0Z50200510)
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http://linked.open...iv/cisloPeriodika
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http://linked.open...vai/riv/dodaniDat
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http://linked.open...aciTvurceVysledku
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http://linked.open.../riv/druhVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...titaPredkladatele
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http://linked.open...dnocenehoVysledku
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http://linked.open...ai/riv/idVysledku
| - RIV/61388971:_____/11:00360736
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - ellipticine; drug delivery; radiotherapy (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...odStatuVydavatele
| - US - Spojené státy americké
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http://linked.open...ontrolniKodProRIV
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http://linked.open...i/riv/nazevZdroje
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http://linked.open...in/vavai/riv/obor
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http://linked.open...ichTvurcuVysledku
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http://linked.open...cetTvurcuVysledku
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http://linked.open...vavai/riv/projekt
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http://linked.open...UplatneniVysledku
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http://linked.open...v/svazekPeriodika
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http://linked.open...iv/tvurceVysledku
| - Hrubý, Martin
- Kovář, Lubomír
- Ulbrich, Karel
- Říhová, Blanka
- Studenovský, Martin
- Kučka, Jan
- Sedláček, Ondřej
- Větvička, David
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http://linked.open...ain/vavai/riv/wos
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http://linked.open...n/vavai/riv/zamer
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issn
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number of pages
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http://bibframe.org/vocab/doi
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is http://linked.open...avai/riv/vysledek
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