Biological Mechanisms of Glioma Invasion and Potential Therapeutic Targets

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Abstract
The current understanding of glioma biology reveals targets for anti-invasive therapy which include manipulations of extracellular matrix and receptors, growth factors and cytokines, proteases, cytoskeletal components, oncogenes and tumor suppressor genes. A better understanding of the complex regulation and the signalling molecules involved in glioma invasion is still needed in order to design new and effective treatment modalities towards invasive tumor cells. Representative and valid in vitro experimental systems and animal models of gliomas are necessary for the characterization of the invasive phenotype and further development of anti-invasive therapy. In the future, it will probably be important to move from comparative genomic modelling through protein characterization based on advanced proteomic techniques to analyse tissue samples, where the aim for gliomas should be to compare invaded and non-invaded tissue. This will hopefully render promising new therapeutic targets for gliomas.