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Copy Number Defects...
Copy Number Defects of G1-Cell Cycle Genes in Neuroblastoma are Frequent and Correlate with High Expression of E2F Target Genes and a Poor Prognosis
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Molenaar, Jan J. (författare)
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Koster, Jan (författare)
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Ebus, Marli E. (författare)
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van Sluis, Peter (författare)
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Westerhout, Ellen M. (författare)
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de Preter, Katleen (författare)
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- Gisselsson Nord, David (författare)
- Lund University,Lunds universitet,Avdelningen för klinisk genetik,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Clinical Genetics,Department of Laboratory Medicine,Faculty of Medicine
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- Øra, Ingrid (författare)
- Lund University,Lunds universitet,Pediatrik, Lund,Sektion V,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Paediatrics (Lund),Section V,Department of Clinical Sciences, Lund,Faculty of Medicine
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Speleman, Frank (författare)
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Caron, Huib N. (författare)
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Versteeg, Rogier (författare)
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(creator_code:org_t)
- 2011-10-27
- 2012
- Engelska.
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Ingår i: Genes, Chromosomes and Cancer. - : Wiley. - 1045-2257. ; 51:1, s. 10-19
- Relaterad länk:
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http://dx.doi.org/10...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The tightly controlled network of cell cycle genes consists of a core of cyclin dependent kinases (CDKs) that are activated by periodically expressed cyclins. The activity of the cyclin-CDK complexes is regulated by cyclin dependent kinase inhibitors (CDKIs) and multiple signal transduction routes that converge on the cell cycle. Neuroblastoma are pediatric tumors that belong to the group of small round blue cell tumors, characterized by a fast proliferation. Here, we present high throughput analyses of cell cycle regulating genes in neuroblastoma. We analyzed a series of 82 neuroblastomas by comparative genomic hybridization arrays, single nucleotide polymorphism arrays, and Affymetrix expression arrays and analyzed the datasets in parallel with the R2 bioinformatic tool (http://r2.amc.nl). About 30% of the tumors had genomic amplifications, gains, or losses with shortest regions of overlap that suggested implication of a series of G1 cell cycle regulating genes. CCND1 (cyclin D1) and CDK4 were amplified or gained and the chromosomal regions containing the CDKN2 (INK4) group of CDKIs were frequently deleted. Cluster analysis showed that tumors with genomic aberrations in G1 regulating genes over-expressed E2F target genes, which regulate S and G2/M phase progression. These tumors have a poor prognosis. Our findings suggest that pharmacological inhibition of cell cycle genes might bear therapeutic promises for patients with high risk neuroblastoma. (C) 2011 Wiley Periodicals, Inc.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Medicinsk genetik (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Medical Genetics (hsv//eng)
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Till lärosätets databas
- Av författaren/redakt...
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Molenaar, Jan J.
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Koster, Jan
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Ebus, Marli E.
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van Sluis, Peter
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Westerhout, Elle ...
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de Preter, Katle ...
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visa fler...
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Gisselsson Nord, ...
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Øra, Ingrid
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Speleman, Frank
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Caron, Huib N.
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Versteeg, Rogier
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visa färre...
- Om ämnet
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- MEDICIN OCH HÄLSOVETENSKAP
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MEDICIN OCH HÄLS ...
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och Medicinska och f ...
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och Medicinsk geneti ...
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Genes, Chromosom ...
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Lunds universitet