The pathophysiology of malignant glioma and treatment strategies

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We have been investigating for three subjects in analysis of malignant glioma cell biology; 1. Identification and functional analysis of cytokines high expressing in malignant glioma cells. 2. Molecular identification of genes and proteins contributing to malignancy in glioma cells. 3. Characterization of glioma cancer stem cells. We have found that several cytokines such as MCP-1 and IL-6 were overexpressed in malignant glioma cells and they contributed to proliferation or invasion of malignant glioma cells. We have analyzed, the genes related to the malignancy of glioma cells using the methods of DNA microarray, DNA tip and proteomix. However it is necessary for furthermore investigation to confirm whether these genes are involved in the signal of the malignancy of glioma cells. We have confirmed that the glioma cancer stem cells established from the patients with glioma had the potential to grow up in the brain of the mouse and have been investigating for the quality of resistance for the tumor therapy such as chemotherapy or radiotherapy.Based on the new discovery we have found in these study, we have been tackling to make up the new molecular targeting therapy such as to block the autocline cytokines loop, to suppress the activating signal in the malignancy of glioma cells. Furthermore we have been trying to establish a new technology to deliver the drug through the blood-brain barrier using the nano-technology. We need furthermore investigation for the application to clinical therapeutical methods in the therapies for glioma patients.