Abstract:
:Neuroblastoma (NB) expresses the tyrosine kinase receptors c-Kit, PDGFR-alpha and -beta-targets for STI-571. We investigated a possible combination therapy of STI-571 with retinoic acid (RA) and gamma-irradiation on NB cell viability in vitro. Expression of tyrosine kinase receptors and their ligands was examined in 6 NB cell lines by RT-PCR and FACS. The effect on cell viability was determined by MTT assay. Cell viability of all 6 NB cell lines was significantly inhibited after treatment with 20 microM STI-571 for 72h, two cell lines responding already to 10 microM. Cell lines responded irrespective of their mRNA status or cell surface expression of c-Kit, PDGFR-alpha and -beta. Co-incubation with 9-cis RA sensitized cells to the inhibitory effects of STI-571. However, pre-treatment with 9-cis RA resulted in resistance of NB cell lines to STI-571 and gamma-irradiation. Treatment of NB with STI-571 in combination with 9-cis RA might be a therapeutic strategy for patients in consolidation therapy who have completed gamma-irradiation therapy.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Rössler J,Zambrzycka I,Lagodny J,Kontny U,Niemeyer CMdoi
10.1016/j.bbrc.2006.02.059subject
Has Abstractpub_date
2006-04-21 00:00:00pages
1405-12issue
4eissn
0006-291Xissn
1090-2104pii
S0006-291X(06)00330-5journal_volume
342pub_type
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
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更新日期:2015-10-30 00:00:00
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更新日期:2011-04-22 00:00:00
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journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/0006-291x(84)91563-8
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journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1006/bbrc.2001.5373
更新日期:2001-08-10 00:00:00
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journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
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更新日期:1998-08-28 00:00:00
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journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
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更新日期:2004-05-07 00:00:00
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journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
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更新日期:1998-07-30 00:00:00
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journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
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更新日期:2010-04-23 00:00:00
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journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
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更新日期:2013-10-04 00:00:00
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journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
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更新日期:2017-01-29 00:00:00