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Related Concept Videos

Neurulation01:30

Neurulation

44.8K
Neurulation is the embryological process which forms the precursors of the central nervous system and occurs after gastrulation has established the three primary cell layers of the embryo: ectoderm, mesoderm, and endoderm. In humans, the majority of this system is formed via primary neurulation, in which the central portion of the ectoderm—originally appearing as a flat sheet of cells—folds upwards and inwards, sealing off to form a hollow neural tube. As development proceeds, the...
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Updated: Dec 24, 2025

An Orthotopic Sciatic Nerve Xenograft for Neurofibromatosis Type 1 Neurofibromas
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Nervous system: Embryonal tumors: Neuroblastoma.

Caileigh Pudela1, Skye Balyasny1, Mark A Applebaum1

  • 1Department of Pediatrics, University of Chicago, Chicago, Illinois.

Atlas of Genetics and Cytogenetics in Oncology and Haematology
|April 17, 2020
PubMed
Summary
This summary is machine-generated.

Neuroblastoma, a pediatric cancer from neural crest cells, shows varied outcomes. Genomic insights are guiding new therapies for better survival rates in high-risk cases.

Keywords:
Neuroblastomaoncologypediatrics

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Area of Science:

  • Pediatric Oncology
  • Cancer Genomics

Background:

  • Neuroblastoma is a heterogeneous pediatric cancer originating from neural crest cells, representing the most common extracranial solid tumor in children.
  • Prognosis varies widely, from spontaneous regression to aggressive disease, necessitating risk stratification based on patient and tumor characteristics.

Purpose of the Study:

  • To review the genomic underpinnings of neuroblastoma pathogenesis.
  • To highlight how genetic advancements inform novel therapeutic strategies for improved patient outcomes.

Main Methods:

  • Review of genomic features including germline mutations, somatic aberrations, copy number variations, transcriptomics, and epigenetics.
  • Analysis of predisposition genes (e.g., ALK, PHOX2B) in familial neuroblastoma.
  • Investigation of chromosomal abnormalities and single-nucleotide polymorphisms in sporadic neuroblastoma.

Main Results:

  • Genomic features significantly contribute to neuroblastoma development and progression.
  • Specific genes like ALK and PHOX2B are implicated in familial forms, while chromosomal aberrations and SNPs play a role in sporadic cases.
  • Understanding these genetic drivers is crucial for risk classification and treatment planning.

Conclusions:

  • Genomic insights have elucidated the complex pathogenesis of neuroblastoma.
  • These discoveries are paving the way for targeted and potentially more effective therapeutic approaches, especially for high-risk neuroblastoma patients.
  • Further research into neuroblastoma genomics holds promise for improving long-term survival rates in affected children.