p53 abnormality and tumor invasion in patients with malignant astrocytoma.

Abstract excerpt

Malignant astrocytomas are characterized by diffusely infiltrating nature, and the abnormality of p53 is a cytogenetic hallmark of astrocytic tumors. To elucidate the relationship between p53 abnormality and invasiveness of the tumors, we studied mutation and protein expression of p53 in 48 consecutive patients with malignant astrocytoma (14 anaplastic astrocytomas and 34 glioblastoma multiformes). The tumors...

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