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lüll Platelet-derived growth factor receptor alpha in glioma: a bad seed Liu KW; Hu B; Cheng SYChin J Cancer 2011[Sep]; 30 (9): 590-602Recent collaborative, large-scale genomic profiling of the most common and aggressive brain tumor glioblastoma multiforme(GBM) has significantly advanced our understanding of this disease. The gene encoding platelet-derived growth factor receptor alpha(PDGFRalpha) was identified as the third of the top 11 amplified genes in clinical GBM specimens. The important roles of PDGFRalpha signaling during normal brain development also implicate the possible pathologic consequences of PDGFRalpha over-activation in glioma. Although the initial clinical trials using PDGFR kinase inhibitors have been predominantly disappointing, diagnostic and treatment modalities involving genomic profiling and personalized medicine are expected to improve the therapy targeting PDGFRalpha signaling. In this review, we discuss the roles of PDGFRalphasignaling during development of the normal central nervous system(CNS) and in pathologic conditions such as malignant glioma. We further compare various animal models of PDGF-induced gliomagenesis and their potential as a novel platform of pre-clinical drug testing. We then summarize our recent publication and how these findings will likely impact treatments for gliomas driven by PDGFRalpha overexpression. A better understanding of PDGFRalpha signaling in glioma and their microenvironment, through the use of human or mouse models, is necessary to design a more effective therapeutic strategy against gliomas harboring the aberrant PDGFRalpha signaling.|*Disease Models, Animal[MESH]|Animals[MESH]|Antineoplastic Agents/therapeutic use[MESH]|Autocrine Communication[MESH]|Brain Neoplasms/drug therapy/genetics/*metabolism[MESH]|Central Nervous System/cytology/*embryology/metabolism[MESH]|Glioblastoma/drug therapy/genetics/metabolism[MESH]|Glioma/drug therapy/genetics/*metabolism[MESH]|Humans[MESH]|Neurons/cytology/metabolism[MESH]|Protein Kinase Inhibitors/therapeutic use[MESH]|Receptor, Platelet-Derived Growth Factor alpha/genetics/*metabolism[MESH] |