Figure 3From: High Incidence of MGMT and RARβ Promoter Methylation in Primary Glioblastomas: Association with Histopathological Characteristics, Inflammatory Mediators and Clinical OutcomeExpression of angiogenic factors in astrocytic tumors. VEGF immunoreactivity in neoplastic cells of grade II astrocytoma (A) and grade IV glioblastoma (B). COX-2 immunostaining in neoplastic cells of grade II astrocytoma (C) and grade IV glioblastoma (D) (magnification 200×).Back to article page