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J Neurooncol. 1999;44(3):223-31.

Effects of radiation on a model of malignant glioma invasion.

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Department of Radiation Oncology, London Regional Cancer Clinic, University of Western Ontario, Canada.


We sought to characterize the effects of radiation alone and in combination with BCNU and dexamethasone on malignant glioma invasion. A model of malignant glioma invasion into a gel matrix of collagen type I was used to characterize response to radiation treatment for four malignant glioma cell lines (C6, U251, U373, A172) and nine primary human glioblastoma explants. A radiation dose dependent inhibition of invasion was noted for the C6 astrocytoma cell line but not the other cell lines or explants. Addition of BCNU and dexamethasone to radiation produced additional inhibition of invasion among the cell lines and explants but could not suppress invasion entirely.

[Indexed for MEDLINE]

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