1. Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences 2. Orekhovich Institute of Biomedical Chemistry, Russian Academy of Medical Sciences
Using reverse-phase (MB-HIC 8 and HB-HIC 18) weak cation exchange (MB-WCX) and metal affinity ClinProt magnetoc beads peptides and protein factions were obtained from human sera for their profiling by MALDI-TOF mass spectrometry. Proteome profiling of sera from I-IV stage ovarian cancer patients (47 women, average age 51) and from healthy women (47 subjects, average age 49) using MB-WCX beads allowed calculation of the best diagnostic models based on the Genetic Algorithm and Supervised Neural Network classifiers; these model generated 100% sensitivity and specificity when the test set of subjects was analyzed. Introduction of additional sera from patients with colorectal cancer (19) and ulcerous colitis (5) to the statistical model confirmed 100% ovarian cancer recognition. Statistical mass-spectrometry analysis of mass-spectrometry peak areas included to the diagnostic classifiers showed 3 peaks distinctive for ovarian cancer and 4 peaks distinctive for ovarian and colorectal cancer.
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Keywords: proteome profiling, serum, MALDI-TOF-mass-spectrometry, ClinProt magnetic beads, ovarian cancer
Citation:
Ziganshin R.H., Alexeev D.G., Arapidi G.P., Ivanov V.T., Moshkovskii S.A., Govorun V.M. (2008) Serum proteome profiling for ovarion cancer diagnosis using ClinProt magnetic bead technique and MALDI-TOF-mass-spectrometry. Biomeditsinskaya Khimiya, 54(4), 408-419.
Ziganshin R.H. et al. Serum proteome profiling for ovarion cancer diagnosis using ClinProt magnetic bead technique and MALDI-TOF-mass-spectrometry // Biomeditsinskaya Khimiya. - 2008. - V. 54. -N 4. - P. 408-419.
Ziganshin R.H. et al., "Serum proteome profiling for ovarion cancer diagnosis using ClinProt magnetic bead technique and MALDI-TOF-mass-spectrometry." Biomeditsinskaya Khimiya 54.4 (2008): 408-419.
Ziganshin, R. H., Alexeev, D. G., Arapidi, G. P., Ivanov, V. T., Moshkovskii, S. A., Govorun, V. M. (2008). Serum proteome profiling for ovarion cancer diagnosis using ClinProt magnetic bead technique and MALDI-TOF-mass-spectrometry. Biomeditsinskaya Khimiya, 54(4), 408-419.
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