Table 1.

Distribution of the 4 Pharmaceutically Targetable Receptors Within the GBM Microenvironment

Tumor Compartment	IL-13RA2	EphA2	EphA3	EphB2
Differentiated tumor cells	+	+	+	+
Infiltrating tumor cells	+	+	+	+
Glioma-stem like cells	+	+	+	+
Neovascular	−	+	−	−
Tumor-infiltrating cells	−	+	+	−
Linked to survival	+	+	+	+
Normal brain	−	−	−	−