Biomarkers discovery in cancer--up-dates in methodology |
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Authors: | Tacu Cristina Neagu Monica Constantin Carolina Sajin Maria |
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Affiliation: | University Hospital, 169 Splaiul Independentei, sector 5, Bucharest, Romania. |
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Abstract: | Biomarkers are biomolecules that can indicate normal/pathological processes, or physiological responses to therapy. Due to the serum abundance in proteins, such as albumin and lypo/glycoproteins, biomarkers are difficult to assess. Serum biomarkers identification can contribute to personalized medicine and improve cancer diagnostic and prognostic. The paper summarizes some of the proteomics techniques and the workflow used for protein signatures identification associated to cancer development. Thus, biomarkers validated for prostatic, breast, cervical or lung cancers are presented as examples for clinical application of serum markers. In spite of the continuous research efforts, there are only few validated biomarkers that have proved a good predictive power in cancer. Modern technology and the combination of various techniques used for proteins quantification represent important means for the identification and validation of new biomarkers. |
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