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Molecular pathogenesis of childhood brain tumors

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Abstract

In the last decade, the molecular biology revolution has advanced considerably. These advances have enhanced our understanding of the genetic underpinnings of human brain tumors in general, and pediatric brain tumors in particular. We now know that many pediatric brain tumors arise from disturbances in developmentally regulated signaling pathways. The medulloblastoma, a tumor in which the developmental Hedgehog and WNT pathways have gone awry, is a prime example of this. New techniques in genetic engineering have allowed for the creation of sophisticated mouse models of brain tumors that recapitulate the human disease. Many laboratories are now using cDNA microarrays to study the expression level of thousands of genes that may be aberrantly expressed in brain tumors when compared to normal control cells. In the next decade, the use of several new molecular techniques to establish brain tumor diagnoses will likely become standard tools in the diagnostics and treatment stratification of children with central nervous system tumors.

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  1. Department of Neuropathology, University of Bonn Medical Center, Bonn, Germany

    Torsten Pietsch

  2. Division of Neurosurgery, Hospital for Sick Children, 555 University Avenue, Ontario, Toronto, M5G-1X8, Canada

    Michael D. Taylor & James T. Rutka

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Pietsch, T., Taylor, M.D. & Rutka, J.T. Molecular pathogenesis of childhood brain tumors. J Neurooncol 70, 203–215 (2004). https://doi.org/10.1007/s11060-004-2750-7

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