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Description
| - The trisubstituted purine myoseverin has been recently identified as a novel inhibitor of microtubule assembly. To analyze the effects of modifying its heterocyclic skeleton, we prepared 8-azapurine and pyrazolo[4,3-d]pyrimidine analogues of myoseverin and compared their biological activities. Rearrangement of nitrogen atoms in the heterocycle changes the affinity of the compounds to purified tubulin, as demonstrated by the results of polymerization assays, and affects the proliferation of cancer cell lines. Surprisingly, compound E2GG, a pyrazolo[4,3-d]pyrimidine analogue of myoseverin, displayed inhibitory activity towards both tubulin polymerization and the activity of cyclin-dependent kinases 1, 2 and 7. Such a dual specificity-inhibitor offers a starting point for developing a novel class of antiproliferative agents.
- The trisubstituted purine myoseverin has been recently identified as a novel inhibitor of microtubule assembly. To analyze the effects of modifying its heterocyclic skeleton, we prepared 8-azapurine and pyrazolo[4,3-d]pyrimidine analogues of myoseverin and compared their biological activities. Rearrangement of nitrogen atoms in the heterocycle changes the affinity of the compounds to purified tubulin, as demonstrated by the results of polymerization assays, and affects the proliferation of cancer cell lines. Surprisingly, compound E2GG, a pyrazolo[4,3-d]pyrimidine analogue of myoseverin, displayed inhibitory activity towards both tubulin polymerization and the activity of cyclin-dependent kinases 1, 2 and 7. Such a dual specificity-inhibitor offers a starting point for developing a novel class of antiproliferative agents. (en)
- Byla porovnána biologická aktivita známého purinového inhibitoru polymerace tubulinu – myoseverinu - a jeho 8-azapurinového a pyrazolo[4,3-d]pyrimidinového analogu v testu inhibice syntézy tubulinu, inhibice CDK1 a pritinádorové aktivitě na lidských nádorových buněčných liniích. Pyrazolo[4,3-d]pyrimidinový isomer myoseverinu má vedle inhibičních účinků na syntézu tubulinu (IC50=16microM) i vlastnosti inhibitoru CDK1 (IC50=4microM). (cs)
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Title
| - Synthesis and biological activity of 8-azapurine and pyrazolo[4,3-d]pyrimidine analogues of myoseverin
- Synthesis and biological activity of 8-azapurine and pyrazolo[4,3-d]pyrimidine analogues of myoseverin (en)
- Syntéza a biologické aktivity 8-azapurinového a pyrazolo[4,3-d]pyrimidinového analogu myoseverinu (cs)
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skos:prefLabel
| - Synthesis and biological activity of 8-azapurine and pyrazolo[4,3-d]pyrimidine analogues of myoseverin
- Synthesis and biological activity of 8-azapurine and pyrazolo[4,3-d]pyrimidine analogues of myoseverin (en)
- Syntéza a biologické aktivity 8-azapurinového a pyrazolo[4,3-d]pyrimidinového analogu myoseverinu (cs)
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skos:notation
| - RIV/61389030:_____/06:00082517!RIV07-AV0-61389030
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http://linked.open.../vavai/riv/strany
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
| - P(GA301/05/0418), P(GP204/03/D231), S, Z(AV0Z50380511), Z(MSM6198959216)
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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/61389030:_____/06:00082517
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - Myoseverin; Purine; Tubulin (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...odStatuVydavatele
| - FR - Francouzská republika
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http://linked.open...ontrolniKodProRIV
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http://linked.open...i/riv/nazevZdroje
| - European Journal of Medicinal Chemistry
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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
| - Havlíček, Libor
- Kryštof, Vladimír
- Strnad, Miroslav
- Moravcová, Daniela
- Hlobilková, Alice
- Paprskářová, Martina
- Barbier, P.
- Peyrot, V.
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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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