Nestin SPARC IDH1(R132H)
Tissue n H+ L+ Neg %+ H+ L+ Neg %+ H+ L+ Neg %+
F 3 - 3 - 100 - 3 - 100 - - 3 0
E 4 - - 4 0 - 4 - 100 - - 4 0
G 3 - 3 - 100 - 3 - 100 - - 3 0
PiA 3 3 - - 100 3 - - 100 - - 3 0
OA 3 - 3 - 100 2 1 - 100 3 - - 100
LGA 7 5 2 - 100 5 2 - 100 5 - 2 71
AA 9 8 1 - 100 8 1 - 100 6 1 2 77
pGBM 17 13 4 - 100 10 7 - 100 - - 17 0
sGBM 6 3 3 - 100 2 2 2 66 4 2 - 100
Med 5 - 5 - 100 3 2 - 100 - - 5 0
Meta 1 - 1 - 100 - 1 - 100 - - 0 0
Abbreviations: F: fetal tissue; E: epilepsy tissue; G: gliotic tissue; PiA: pilocytic astrocytoma; OA: oligoastrocytoma; LGA: Low-grade astrocytoma; AA; anaplastic astrocytoma; pGBM: primary glioblastoma; sGBM: secondary glioblastoma; Med: medulloblastoma; Meta; metastasis. n: number of cases, H+: >50% of positive cells; L+: < or equal to 50% positive cells; Neg: negative, no positive cells; %+: percentage of positive cases.
Table 2: Number of positive cases for nestin, SPARC and IDH1(R132H) in the different control brain samples and the brain tumor samples.