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Scientists discovered that Barrett oesophagus is a genetic change in the esophageal mucous membrane that can lead to esophageal cancer. If certain biomarkers, known as miDNA, which are extremely short DNA strands, are found in these tissue alterations, it could be an indication that this early stage of esophageal cancer leads to cancer.Esophageal cancer is the eighth most common tumor disease in the western world. A subtype, the adeno carcinoma, is the kind of cancer with the strongest relative increase during the past 10 years, namely around 600% in men and up to 380% in women. The highest risk factor for esophageal cancer is heartburn, i.e. the reflux of sour and acrid stomach liquid into the esophagus (reflux). If reflux remains untreated, it can lead to genetic changes in the mucous membrane and thus to the outbreak of the disease in the long term. One preliminary stage of adeno carcinoma is the so-called Barrett esophagus, which also exhibits mutations in the mucous membrane. Barrett esophagus leads to esophageal cancer in 0.5% of the cases. In order to prevent a malignant development, physicians recommend the removal of this mucosal change.Control modules for the tumor developmentAs not all cases of Barrett esophagus become malignant, it is important for the treating physician to know whether there are reliable indicators (so-called biomarkers) which allow the estimation of a tumor development in the still benign tissue. Sebastian Schoppmann of the University Clinic for Surgery at the MedUni Vienna and the AKH Vienna, Chief of CCC-GET and one of the managers of the study: "In this project, we have examined the role of molecular-biological control modules for this tumor occurrence, the so-called miDNA in the affected tissue with the aid of a gene test. Our results show that the miDNA profiles of esophageal cancer are indeed different from Barrett esophagus."Risk estimation and cost-saving disease controlThe results of the study suggest that, based on the existence of specific miDNA, it is possible to estimate whether the existing change in the mucous membrane develops into a malignant disease. It would save patients from enduring the removal of the Barrett esophagus and save costs with respect to the follow-up checks of the disease.Top cooperationAll 300 patients who participated in the study were procured from the CCC-GET unit of MedUni Vienna and AKH Vienna. Schoppmann: "The cooperation with the National Institutes of Health and the Johns Hopkins University, both extremely renowned establishments in the USA, is a great success. The cooperation not only shows the expertise we have developed during the past years, but also that it is recognized in international circles."The study was led by Gastroesophageal Tumor Unit (CCC-GET) of the Comprehensive Cancer Center (CCC) Vienna of the MedUni Vienna and the AKH Vienna in a joint study with the National Institutes of Health, USA, and the Johns Hopkins University, USA.( With inputs from ANI )Disclaimer: This post has been auto-published from an agency feed without any modifications to the text and has not been reviewed by an editor

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Scientists discovered that Barrett oesophagus is a genetic change in the esophageal mucous membrane that can lead to esophageal ... ...