Utilisation of New Biomarkers for the Optimalization of Diagnostics and Therapy of Tumors of the Gastrointestinal Tract

Utilisation of New Biomarkers for the Optimalization of Diagnostics and Therapy of Tumors of the Gastrointestinal Tract Introduction: Tumor markers are standard diagnostic tools. They are mainly used to monitor the course of the disease and to check the efficacy of the treatment. It is important to observe dynamics. Changing the level of the biomarker can prevent clinical manifestation and lead to early diagnosis of relapse, which in turn means improving the quality of life, including prolonging survival. Recently, we have encountered a number of diagnostic algorithms that suggest algorithms for estimating the risk of tumor presence or the risk of progression of cancer, using statistical methods. Objectives: The aim of this work is to verify new biomarkers for the diagnosis of gastric cancer and to develop an optimal algorithm for their use. Further, to evaluate the importance of cytokeratin markers - Tissue Polypeptide Antigen (TPA) and Tissue Polypeptide Specific Antigen (TPS) for the diagnosis of metastatic colorectal carcinoma in the liver. To carry out a pilot study of FGF23 levels in people with colorectal carcinoma and other gastrointestinal tumors. Methods and patients: Patient samples were analyzed using immunoradiometric, chemiluminescence and fluorescence assays. For each solved problem,..