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Molecular genetic pathways to glioblastoma Ryo NISHIKAWA 1 1Department of Neurosurgery, Saitama Medical School Keyword: p53 , primary glioblastoma , secondary glioblastoma , glioma pp.369-376
Published Date 1999/6/10
DOI https://doi.org/10.11477/mf.1431901055
  • Abstract
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In astrocytomas, autocrine/paracrine stimulation by platelet-derived growth factorreceptor-α coupled with inactivation of p53 gene may lead to enhanced growth and decreased apoptosis, which mechanisms are thought to be involved in the tumorigenic changes of precursor cells. Transition from astrocytoma to anaplastic astrocytoma needs disruption of theGl-S checkpoint control involvingp16, cdk4, and RB. Finally, glioblastomas may emerge in a complex vicious cycle that involves, enhanced growth, hypoxia, necrosis, angiogenesis, growth factor release, and clonal selection.


Copyright © 1999, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1243 印刷版ISSN 0001-8724 医学書院

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