Neural development and the ontogeny of central nervous system tumors

Scott L Pomeroy1

  • 1Program in Neuroscience, Department of Neurology, Children's Hospital Boston, Harvard Medical School, Boston, MA 02115, USA. scott.pomeroy@childrens.harvard.edu

Neuron Glia Biology
|March 8, 2006
PubMed

Insights

Central nervous system (CNS) tumor development is linked to disrupted neural development pathways. Emerging research significantly impacts understanding and treating these brain cancers.

Area of Science:

  • Neuro-oncology
  • Developmental Neuroscience
  • Cancer Biology

Background:

  • Oncogenesis and growth of central nervous system (CNS) tumors are increasingly understood to involve aberrant molecular and cellular processes.
  • These processes are closely related to the mechanisms governing normal neural development.

Purpose of the Study:

  • To review recent evidence linking CNS tumor development to neural development pathways.
  • To highlight new insights impacting CNS tumor research and treatment.

Main Methods:

  • Literature review of recent studies on CNS tumor oncogenesis.
  • Analysis of molecular and cellular mechanisms in neural development relevant to cancer.

Main Results:

  • Dysregulated neural development mechanisms are critical drivers of CNS tumor oncogenesis and progression.
  • New molecular and cellular insights are emerging from this field.

Conclusions:

  • Understanding the links between neural development and CNS tumors offers novel therapeutic strategies.
  • Continued research in this area holds significant promise for improving patient outcomes in neuro-oncology.

Related Concept Videos

Neurulation01:30

Neurulation

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 anterior...
Tumor Progression02:07

Tumor Progression

Tumor progression is a phenomenon where the pre-formed tumor acquires successive mutations to become clinically more aggressive and malignant. In the 1950s, Foulds first described the stepwise progression of cancer cells through successive stages.
Colon cancer is one of the best-documented examples of tumor progression. Early mutation in the APC gene in colon cells causes a small growth on the colon wall called a polyp. With time, this polyp grows into a benign, pre-cancerous tumor. Further...
Tumor Progression02:07

Tumor Progression

Tumor progression is a phenomenon where the pre-formed tumor acquires successive mutations to become clinically more aggressive and malignant. In the 1950s, Foulds first described the stepwise progression of cancer cells through successive stages.
Colon cancer is one of the best-documented examples of tumor progression. Early mutation in the APC gene in colon cells causes a small growth on the colon wall called a polyp. With time, this polyp grows into a benign, pre-cancerous tumor. Further...
Neurogenesis and Regeneration of Nervous Tissue01:15

Neurogenesis and Regeneration of Nervous Tissue

In the CNS, neurogenesis, the birth of new neurons from stem cells, is limited to the hippocampus in adults. In other regions of the brain and spinal cord, neurogenesis is almost non-existent due to inhibitory influences from neuroglia, especially oligodendrocytes, and the absence of growth-stimulating cues. The myelin produced by oligodendrocytes in the CNS inhibits neuronal regeneration. Furthermore, astrocytes proliferate rapidly after neuronal damage, forming scar tissue that physically...