Lung cancer is the leading cause of cancer-related mortality in industrialized countries. Unfortunately, most lung cancers are found too late for a cure, therefore early detection and treatment is very important. We have applied proteomic analysis by using two-dimensional gel electrophoresis and peptide mass fingerprinting techniques for examination of cancerous and adjacent non-cancerous lung tissues from the same patient. The aim of the study was to find proteins, which could be used as biomarkers for diagnosis and monitoring of this disease. Indeed, we found differences in expression of several proteins, related to various cellular activities, such as, chaperoning (e,g. GRP96, GRP78, HSP27), metabolism and oxidation stress (e.g. L-fucose, GST), cytoskeleton (e.g., tubulin beta 2/3, beta actin), cell adhesion (e.g. annexin A5/3), binding proteins (e.g. 14-3-3 theta) and signal transduction. These changes may be important for progression of carcinogenesis; they may be used as the molecular-support for future diagnostic markers.
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Keywords: proteomics, two-dimensional gel electrophoresis, lung cancer, mass spectrometry
Citation:
Ki Beom Lee, Kyung Bae Pi (2010) Comparative proteomic analysis of cancerous and adjacent normal lung tissues. Biomeditsinskaya Khimiya, 56(6), 663-673.
Ki Beom Lee et al. Comparative proteomic analysis of cancerous and adjacent normal lung tissues // Biomeditsinskaya Khimiya. - 2010. - V. 56. -N 6. - P. 663-673.
Ki Beom Lee et al., "Comparative proteomic analysis of cancerous and adjacent normal lung tissues." Biomeditsinskaya Khimiya 56.6 (2010): 663-673.
Ki, Beom, Lee,, Kyung, Bae, Pi (2010). Comparative proteomic analysis of cancerous and adjacent normal lung tissues. Biomeditsinskaya Khimiya, 56(6), 663-673.
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