Abstract
Mass spectrometry (MS)-based proteomics is a rapidly developing technology for the large scale analysis of proteins, their interactions and subcellular localization. In recent years proteomics has attracted much attention in medicine. Since a single biomarker might not have sufficient sensitivity and specificity in clinical practice, the identification of biomarker panels that comprise several proteins would improve the detection and clinical management of cancer patients. Additionally, the characteristics of protein profiles of most severe human malignancies certainly contribute to the understanding of the biology of cancer and fill the gap in our knowledge of carcinogenesis. This knowledge also is likely to result in the discovery of novel potential cancer markers and targets for molecular therapeutics. It is believed that the novel biomarkers will help in the development of personalized therapy tailored to the individual patient and will thereby reduce the mortality rate from cancer. In this review, the use of different types of human clinical samples (cell cultures, tissues and body fluids) in oncoproteomics is explained and the latest advances in mass spectrometry-based proteomics biomarker discovery are discussed.
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