What question did this study set out to answer?

To identify recurrent genetic mutations and structural variations driving the pathogenesis of neuroblastoma, particularly in aggressive, lethal forms of the disease.

February 21, 2012NatureOpen Access

Sequencing of neuroblastoma identifies chromothripsis and defects in neuritogenesis genes

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Authors

JMJan J. MolenaarUniversity of Applied Sciences Utrecht JKJan KösterDutch Cancer Society DZDanny A. ZwijnenburgUniversity of Amsterdam

Discussion

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Implication

Genomic sequencing reveals frequent chromothripsis and neuritogenesis gene defects in high-stage neuroblastoma, highlighting novel molecular drivers in aggressive childhood tumors.

Key Points

To identify recurrent genetic mutations and structural variations driving the pathogenesis of neuroblastoma, particularly in aggressive, lethal forms of the disease.
Conducted whole-genome sequence analysis on N=87 neuroblastoma tumor specimens across all clinical stages.
Characterized point mutations, complex chromosomal rearrangements, and alterations in signaling pathways involved in nervous system development.
Identified chromothripsis (localized shattering of chromosomes) in 18% of high-stage neuroblastomas, which correlated with poor clinical outcomes.
Uncovered recurrent mutations and structural defects in neuritogenesis genes (ODZ3, PTPRD, CSMD1, ATRX, TIAM1, and Rac/Rho pathway regulators) predominantly in aggressive, high-stage cases lacking MYCN amplification.

Cite This Study

Molenaar et al. (2012) studied this question.

synapsesocial.com/papers/6a01b0150cec8eebbd5ca463 https://doi.org/10.1038/nature10910

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February 21, 2012NatureOpen Access

Sequencing of neuroblastoma identifies chromothripsis and defects in neuritogenesis genes

View Full Paper

Ask AI

Bookmark

Authors

JMJan J. MolenaarUniversity of Applied Sciences Utrecht JKJan KösterDutch Cancer Society DZDanny A. ZwijnenburgUniversity of Amsterdam

Discussion

Member takes

Implication

Genomic sequencing reveals frequent chromothripsis and neuritogenesis gene defects in high-stage neuroblastoma, highlighting novel molecular drivers in aggressive childhood tumors.

Key Points

To identify recurrent genetic mutations and structural variations driving the pathogenesis of neuroblastoma, particularly in aggressive, lethal forms of the disease.
Conducted whole-genome sequence analysis on N=87 neuroblastoma tumor specimens across all clinical stages.
Characterized point mutations, complex chromosomal rearrangements, and alterations in signaling pathways involved in nervous system development.
Identified chromothripsis (localized shattering of chromosomes) in 18% of high-stage neuroblastomas, which correlated with poor clinical outcomes.
Uncovered recurrent mutations and structural defects in neuritogenesis genes (ODZ3, PTPRD, CSMD1, ATRX, TIAM1, and Rac/Rho pathway regulators) predominantly in aggressive, high-stage cases lacking MYCN amplification.

Cite This Study

Molenaar et al. (2012) studied this question.

synapsesocial.com/papers/6a01b0150cec8eebbd5ca463 https://doi.org/10.1038/nature10910

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