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WFRF:(Paulsson Kajsa M)
 

Sökning: WFRF:(Paulsson Kajsa M) > Pankiller effect of...

  • Vita, Marina F. (författare)

Pankiller effect of prolonged exposure to menadione on glioma cells: potentiation by vitamin C

  • Artikel/kapitelEngelska2011

Förlag, utgivningsår, omfång ...

  • 2010-07-13
  • Springer Science and Business Media LLC,2011

Nummerbeteckningar

  • LIBRIS-ID:oai:lup.lub.lu.se:57c64b79-aa83-4c25-afab-eb4f93794d8e
  • https://lup.lub.lu.se/record/2186905URI
  • https://doi.org/10.1007/s10637-010-9489-0DOI
  • http://kipublications.ki.se/Default.aspx?queryparsed=id:123202234URI

Kompletterande språkuppgifter

  • Språk:engelska
  • Sammanfattning på:engelska

Ingår i deldatabas

Klassifikation

  • Ämneskategori:art swepub-publicationtype
  • Ämneskategori:ref swepub-contenttype

Anmärkningar

  • Menadione (Vitamin K3) has anti-tumoral effects against a wide range of cancer cells. Its potential toxicity to normal cells and narrow therapeutic range limit its use as single agent but in combination with radiation or other anti-neoplastic agents can be of therapeutic use. In this paper, we first evaluated the early (within 3 h) effect of menadione on ongoing DNA replication. In normal rat cerebral cortex mini-units menadione showed an age dependent anti-proliferative effect. In tissue mini-units prepared from newborn rats, menadione inhibited ongoing DNA replication with an IC (50) of approximately 10 mu M but 50 mu M had no effect on mini-units from prepared adult rat tissue. The effect of short (72 h) and prolonged exposure (1-2 weeks) to menadione alone in the DBTRG.05MG human glioma cells line and in combination with vitamin C was studied. After short period of exposure data show that menadione alone or in combination with vitamin C provided similar concentration-response curves (and IC50 values). Prolonged exposure to these drugs was evaluated by their ability to kill 100% of glioma cells and prevent regrowth when cells are re-incubated in drug-free media. In this long-term assay, menadione:vitamin C at a ratio 1:100 showed higher anti-proliferative activity when compared to each drug alone and allowed to reduce each drug concentration between 2.5 to 5-fold. Similar anti-proliferative effect was demonstrated in 8 patient derived glioblastoma cell cultures. Our data should be able to encourage further advanced studies on animal models to evaluate the potential use of this combination therapy for glioma treatment.

Ämnesord och genrebeteckningar

Biuppslag (personer, institutioner, konferenser, titlar ...)

  • Nagachar, NiveditaLund University,Lunds universitet,Antigen presentation,Forskargrupper vid Lunds universitet,Antigen Presentation,Lund University Research Groups(Swepub:lu)med-nin (författare)
  • Avramidis, Dimitrios (författare)
  • Delwar, Zahid M. (författare)
  • Cruz, Mabel H.Karolinska Institutet (författare)
  • Siden, Ake (författare)
  • Paulsson, Kajsa MLund University,Lunds universitet,Antigen presentation,Forskargrupper vid Lunds universitet,Antigen Presentation,Lund University Research Groups(Swepub:lu)med-k_p (författare)
  • Yakisich, Juan SebastianKarolinska Institutet (författare)
  • Antigen presentationForskargrupper vid Lunds universitet (creator_code:org_t)

Sammanhörande titlar

  • Ingår i:Investigational New Drugs: Springer Science and Business Media LLC29:6, s. 1314-13200167-69971573-0646

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