Walgenbach-Brunagel, Gisela and Burger, Bettina and Leman, Eddy S. and Walgenbach, Klaus-J. and Tolba, Rene and Heukamp, Lukas and Hirner, Andreas and Getzenberg, Robert H.. (2008) The use of a colon cancer associated nuclear antigen CCSA-2 for the blood based detection of colon cancer. Journal of Cellular Biochemistry, 104 (1). pp. 286-294.
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Official URL: https://edoc.unibas.ch/61289/
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Abstract
The early diagnosis of colorectal cancer (CRC) is central for effective treatment, as prognosis is directly related to the stage of the disease. Development of tumor markers found in the blood from patients, which can detect CRC at an early stage, should have a major impact in morbidity and mortality of this disease. The nuclear matrix is the structural scaffolding of the nucleus and specific nuclear matrix proteins (NMPs) have been identified as an "fingerprint" for various cancer types. Previous studies from our laboratory have identified four colon cancer associated NMPs termed colon cancer-specific antigen (CCSA)-2 to (CCSA)-5. The objective of the present study was to analyze the expression of one of these proteins, CCSA-2 in serum from various patient populations and to determine whether CCSA-2 antibodies could be used in a clinically applicable serum-based immunoassay specifically to detect colon cancer. Using an indirect ELISA, which detects CCSA-2, the protein was measured in the serum from 174 individuals, including healthy individuals, patients with colon cancer, patients with diverticulosis, colon polyps, inflammatory bowel disease (IBD) as well as other cancer types. With a predetermined cutoff absorbance of 0.6 OD we have successfully utilized this approach to develop an immunoassay that detected colon cancer. The immunoassay showed a sensitivity of 88.8% (24/27) and an overall specificity of 84.2% (106/127). This initial study showed the potential of CCSA-2 to serve as a highly specific blood based marker for colon cancer. Although potentially promising, the results of this study must be confirmed in larger independent validation studies.
Faculties and Departments: | 03 Faculty of Medicine > Departement Biomedizin > Department of Biomedicine, University Hospital Basel 03 Faculty of Medicine > Departement Biomedizin > Department of Biomedicine, University Hospital Basel > Dermatology (Itin) |
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UniBasel Contributors: | Burger, Bettina |
Item Type: | Article, refereed |
Article Subtype: | Research Article |
Publisher: | Wiley |
ISSN: | 0730-2312 |
e-ISSN: | 1097-4644 |
Note: | Publication type according to Uni Basel Research Database: Journal article |
Identification Number: |
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Last Modified: | 09 Dec 2020 16:28 |
Deposited On: | 09 Dec 2020 16:28 |
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