About: Suppression of tumor growth in vivo by the mitocan alpha-tocopheryl succinate requires respiratory complex II     Goto   Sponge   NotDistinct   Permalink

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Description
  • Mitochondriální komplex II (CII) se ukazuje jako důležité zásahové místo pro mitokan α-tokoferylsukcinát (α-TOS) při selektivním zabíjení rakovinných buněk. Ukazujeme, že CII má také významnou roli v protirakovinném působení analogu vitaminu E in vivo ve zvířecím modelu rakoviny. Plicní fibroblasty čínského křečka divokého typu, CII-defektní (v subjednotce C sukcinátdehydrogenázy, SDHC-mutant) a CII-rekonstituované byly transformovány pomocí H-Ras a byly použity k přípravě xenogenních nádorů v nahých myších. Růst nádorů s SDHC divokého typu a s SDHC rekonstituovanou byl vysoce citlivý k α –TOS, zatímco nádory s defektním CII byly relativně odolné, což bylo zjištěno monitorováním velikosti nádorů pomocí ultrazvukového zobrazování. Vzhledem k tomu, že mutace v komplexu II se u nádorových onemocnění lidí vyskytují vzácně, lze očekávat, že látky jako analogy vitaminu E se projeví jako účinná protirakovinná léčiva. Studie poskytuje podporu pro jejich testování v klinických pokusech (cs)
  • Mitochondrial complex II (CII) is emerging as an important target for the mitocan α-tocopheryl succinate (α-TOS) in selectively killing cancer cells. Here, we show that CII also has a major role in the anti-cancer efficacy of the vitamin E analogue in vivo using an animal model of cancer. Wild type, CII-defective (succinate dehydrogenase subunit C, SDHC-mutant) and CII-reconstituted Chinese hamster lung fibroblasts were transformed with H-Ras, and were used to establish xenograft tumours in nude mice. Growth of the SDHC-wild type and SDHC-reconstituted tumours was highly sensitive to α -TOS, whereas the CII-defective tumours were relatively resistant to the drug, assessed by monitoring tumour progression using ultrasound imaging. Since mutations in complex II occur very rarely in human cancers, agents like vitamin E analogues should be effective anti-cancer drugs, and this study provides support for their testing in clinical trials
  • Mitochondrial complex II (CII) is emerging as an important target for the mitocan α-tocopheryl succinate (α-TOS) in selectively killing cancer cells. Here, we show that CII also has a major role in the anti-cancer efficacy of the vitamin E analogue in vivo using an animal model of cancer. Wild type, CII-defective (succinate dehydrogenase subunit C, SDHC-mutant) and CII-reconstituted Chinese hamster lung fibroblasts were transformed with H-Ras, and were used to establish xenograft tumours in nude mice. Growth of the SDHC-wild type and SDHC-reconstituted tumours was highly sensitive to α -TOS, whereas the CII-defective tumours were relatively resistant to the drug, assessed by monitoring tumour progression using ultrasound imaging. Since mutations in complex II occur very rarely in human cancers, agents like vitamin E analogues should be effective anti-cancer drugs, and this study provides support for their testing in clinical trials (en)
Title
  • Suppression of tumor growth in vivo by the mitocan alpha-tocopheryl succinate requires respiratory complex II
  • Potlačení nádorového růstu in vivo mitokanem alfa-tokoferylsukcinátem vyžaduje respirační komplex II (cs)
  • Suppression of tumor growth in vivo by the mitocan alpha-tocopheryl succinate requires respiratory complex II (en)
skos:prefLabel
  • Suppression of tumor growth in vivo by the mitocan alpha-tocopheryl succinate requires respiratory complex II
  • Potlačení nádorového růstu in vivo mitokanem alfa-tokoferylsukcinátem vyžaduje respirační komplex II (cs)
  • Suppression of tumor growth in vivo by the mitocan alpha-tocopheryl succinate requires respiratory complex II (en)
skos:notation
  • RIV/86652036:_____/09:00324996!RIV09-AV0-86652036
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA204/08/0811), P(IAA500520702), Z(AV0Z50520701)
http://linked.open...iv/cisloPeriodika
  • 5
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 344749
http://linked.open...ai/riv/idVysledku
  • RIV/86652036:_____/09:00324996
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • SDHC-mutants; mitocans; mitochondrial complex II (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [703BCAF3EB07]
http://linked.open...i/riv/nazevZdroje
  • Clinical Cancer Research
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 15
http://linked.open...iv/tvurceVysledku
  • Neužil, Jiří
  • Ralph, S. J.
  • Rohlena, Jakub
  • Dong, L. F.
  • Stantic, M.
  • Zobalová, Renata
  • Vališ, Karel
  • Moreno-Sanchez, R.
  • Rodriguez-Enriquez, S.
  • Freeman, R.
  • Goodwin, J.
  • Marin-Hernandez, A.
  • Witting, P. K.
  • Liu, J.
  • Brunk, U.T.
  • Butcher, B.
  • Scheffler, I.E.
http://linked.open...ain/vavai/riv/wos
  • 000263851900013
http://linked.open...n/vavai/riv/zamer
issn
  • 1078-0432
number of pages
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