Table 2.
Associations between tumor cell and tumor endothelial cell expression of KIT, phosphorylated KIT, SCF and VEGFR‐2 in juvenile pilocytic astrocytomas. Abbreviations: SCF = the stem cell factor; VEGFR‐2 = vascular endothelial cell growth factor receptor‐2.
| Tumor cell expression | Tumor endothelial cell expression | |||
|---|---|---|---|---|
| KIT | phospho‐KIT | SCF | VEGFR‐2 | |
| P * | P * | P * | P * | |
| KIT | 0.0011 | 0.019 | 0.0078 | 1.0 |
| phospho‐KIT | 0.011 | 0.07 | 0.41 | 1.0 |
| SCF | 0.65 | 0.33 | 0.029 | 0.21 |
| VEGFR‐2 | 0.022 | 0.049 | 0.077 | 0.24 |
*
Fisher's exact test.