Proteomic analysis of subcellular changes during apoptosis

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This project aims to use a novel proteomic approach to examine mechanisms of apoptosis at the level of the plasma membrane, mitochondrion, nucleus and cytosol, screening protein extracts of cell organelles by the new technique of SELDI-TOF mass spectrometry in which proteins are adsorbed onto activated chips. This will provide protein mass profiles characteristic of various stages of apoptosis, and will allow identification of proteins of interest by conventional proteomic methods. The establishment of SELDI-MS as a viable tool for cell proteomics would open new opportunities to understand a broad range of cellular functions at the level of protein expression.