Table 1

Immunohistochemical analyses of expression of glial acidic fibrillary protein (GFAP) and the human poliovirus receptor (CD155) in human malignant gliomas*

No. of tumors testedHistological gradeNo. of tumors positive for
GFAPCD155
6I/II66
Low-grade astrocytoma
6III 65
Anaplastic astrocytoma
Anaplastic oligodendroglioma
13IV 138
Glioblastoma multiforme
  • * Glioma tissue obtained through craniotomy was processed and immunohistochemically analyzed as described (20). Biochemical properties of CD155 are described in ref. 22