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Cytokeratin-20 as a marker for detection of circulating tumor cells in preoperative and postoperative blood samples from colorectal cancer patients (CROSBI ID 588314)

Prilog sa skupa u časopisu | sažetak izlaganja sa skupa | međunarodna recenzija

Šamija, Ivan ; Lukač, Josip ; Končar-Mubrin, Mirjana ; Kirac, Iva ; Kovačević, Dujo ; Kusić, Zvonko Cytokeratin-20 as a marker for detection of circulating tumor cells in preoperative and postoperative blood samples from colorectal cancer patients // European journal of cancer (1990) / Eggermont, Alexander M.M. (ur.). 2012. str. S178-S178

Podaci o odgovornosti

Šamija, Ivan ; Lukač, Josip ; Končar-Mubrin, Mirjana ; Kirac, Iva ; Kovačević, Dujo ; Kusić, Zvonko

engleski

Cytokeratin-20 as a marker for detection of circulating tumor cells in preoperative and postoperative blood samples from colorectal cancer patients

Background: In this study cytokeratin-20 (CK20) was evaluated as a marker for detection of circulating colorectal cancer cells by real-time RT-PCR and influence of surgical tumor resection on the presence of circulating colorectal cancer cells was analyzed. Material and methods: Blood samples were taken from 95 colorectal cancer patients before and after tumor resection. Blood samples from 23 healthy volunteers were analyzed as controls. RNA was isolated from mononuclear cell fraction of the blood and assayed by real-time RT-PCR for the expression of CK20. Results: One out of 23 healthy volunteers was positive for CK20. Out of 95 colorectal cancer patients, 25 were positive for CK20 before surgery and 23 were positive for CK20 after surgery. Nine patients that were positive before surgery became negative after surgery, while 15 patients that were negative before surgery became positive after surgery. A statistically significant trend of increase in the proportion of CK20 positive blood samples with increasing stage of the disease was observed for preoperative, but not for postoperative blood samples. Conclusions: This study confirmed that CK20 is a specific marker for detection of circulating colorectal cancer cells and association with clinical stage indicates that it might have prognostic value. We have also shown that surgical tumor resection can both reduce and induce the presence of circulating colorectal cancer cells.

cytokeratin-20; colorectal cancer; circulating tumor cells

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Podaci o prilogu

S178-S178.

2012.

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objavljeno

Podaci o matičnoj publikaciji

European journal of cancer (1990)

Eggermont, Alexander M.M.

Elsevier

0959-8049

Podaci o skupu

22nd Biennial Congress of the European Association for Cancer Research

poster

07.07.2012-10.07.2012

Barcelona, Španjolska

Povezanost rada

Temeljne medicinske znanosti, Kliničke medicinske znanosti, Biologija

Indeksiranost