Abstract
Angiogenesis performs a critical role in the development of cancer. Angiogenesis research is a cutting-edge field in cancer research. Proteomics is a powerful tool in identifying multiple proteins that are altered following a neuropharacological intervention in a disease of the central nervous system. Diagnostic oncoproteomics is the application of proteomic techniques for the diagnosis of malignancies. We extracted proteins of tumor and normal brain tissues and then evaluated the protein purity by Bradford test and spectrophotometery method. In this study, we separated proteins by two-dimensional (2D) gel electrophoresis method and the spots were then analyzed and compared using statistical data and specific software, after providing three-dimensional images of spots alteration. Spots were identified by pH isoelectric, molecular weights, and data banks. Simple statistical test were used to establish a putative hierarchy in which the change in protein level were ranked according a cutoff point with P < 0.05. Apolipoprotein A1 (apo A1) protein and albumin were consistently upregulated in astrocytoma brain tumors. The vascular microenvironment of glioma play a major role in determining the pathophysiological character is tics of the tumor. apo A1 and albumin are very significant due to their functional consequences in glioma tumor growth, migration and angiogenesis.
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