Molecular versus conventional markers in pancreatic cancer

Digestion
H FriessM W Büchler

Abstract

Diagnosing and monitoring pancreatic cancer is an ongoing challenge. Conventional markers such as tumor-associated antigens might be supplemented by molecular markers such as gene mutations and growth factor/growth factor receptor alterations in the future. Tumor-associated antigens can easily be measured by different EIA/ELISA systems, but the analysis of gene mutations, growth factors and their receptors requires advanced molecular techniques. CA 19-9 is the most widely used conventional marker for pancreatic cancer and is a useful tool in the diagnosis and follow-up of patients after tumor resection. Nonetheless, its role in detecting early pancreatic cancer is limited. The detection of K-ras and p53 mutations, which occur in about 90 and 50% of pancreatic cancers, respectively, in blood, stool, or bile samples, seems to be a promising approach in the diagnosis. Growth factor and growth factor receptor alterations are often associated with increased tumor aggressiveness and shorter survival following tumor resection. To date the analysis of growth factors/growth factor receptors in pancreatic cancer has not entered clinical use, but further molecular characterization of pancreatic cancer is necessary for earlier and more acc...Continue Reading

Citations

Jan 3, 2001·Teratogenesis, Carcinogenesis, and Mutagenesis·F OzawaM W Büchler
Apr 6, 2001·International Journal of Cancer. Journal International Du Cancer·J LuoM Korc
Jun 11, 1999·American Journal of Clinical Oncology·J L MartinR Martin
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