Detection of circulating tumor cells in bladder cancer using multiplex PCR assays
The aim of this study was to develop multiplex-PCR assays for the detection of circulating tumor cells in peripheral blood and urine samples of patients with bladder cancer. Peripheral blood and urine samples were collected from 208 patients (169 patients and 39 healthy volunteers). After RNA extrac...
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Published in | Anticancer research Vol. 34; no. 12; pp. 7415 - 7424 |
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Main Authors | , , , , , , , |
Format | Journal Article |
Language | English |
Published |
Greece
01.12.2014
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Abstract | The aim of this study was to develop multiplex-PCR assays for the detection of circulating tumor cells in peripheral blood and urine samples of patients with bladder cancer.
Peripheral blood and urine samples were collected from 208 patients (169 patients and 39 healthy volunteers). After RNA extraction and cDNA synthesis, the samples were analyzed for the expression of cytokeratin 19 (CK19), CK20 and epidermal growth factor receptor (EGFR) mRNA in blood and for SURVIVIN, human telomerase reverse transcriptase (hTERT), cytokeratin 20 (CK20) mRNA in urine, using multiplex-PCR assays.
EGFR and CK20 alone or in combination as well as all urine markers correlated well with histological grade. hTERT correlated well with primary tumor size T≥3. Patients with positive urine markers had significantly worse progression-free survival.
Multiplex-PCR assays can be a useful tool for staging and monitoring purposes in patients with bladder cancer. |
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AbstractList | AIMThe aim of this study was to develop multiplex-PCR assays for the detection of circulating tumor cells in peripheral blood and urine samples of patients with bladder cancer.MATERIALS AND METHODSPeripheral blood and urine samples were collected from 208 patients (169 patients and 39 healthy volunteers). After RNA extraction and cDNA synthesis, the samples were analyzed for the expression of cytokeratin 19 (CK19), CK20 and epidermal growth factor receptor (EGFR) mRNA in blood and for SURVIVIN, human telomerase reverse transcriptase (hTERT), cytokeratin 20 (CK20) mRNA in urine, using multiplex-PCR assays.RESULTSEGFR and CK20 alone or in combination as well as all urine markers correlated well with histological grade. hTERT correlated well with primary tumor size T≥3. Patients with positive urine markers had significantly worse progression-free survival.CONCLUSIONMultiplex-PCR assays can be a useful tool for staging and monitoring purposes in patients with bladder cancer. The aim of this study was to develop multiplex-PCR assays for the detection of circulating tumor cells in peripheral blood and urine samples of patients with bladder cancer. Peripheral blood and urine samples were collected from 208 patients (169 patients and 39 healthy volunteers). After RNA extraction and cDNA synthesis, the samples were analyzed for the expression of cytokeratin 19 (CK19), CK20 and epidermal growth factor receptor (EGFR) mRNA in blood and for SURVIVIN, human telomerase reverse transcriptase (hTERT), cytokeratin 20 (CK20) mRNA in urine, using multiplex-PCR assays. EGFR and CK20 alone or in combination as well as all urine markers correlated well with histological grade. hTERT correlated well with primary tumor size T≥3. Patients with positive urine markers had significantly worse progression-free survival. Multiplex-PCR assays can be a useful tool for staging and monitoring purposes in patients with bladder cancer. |
Author | Msaouel, Pavlos Stravodimos, Konstantinos G Nezos, Adrianos Constantinides, Constantinos A Koutsilieris, Michael Dimopoulos, Panagiotis Gkioka, Eliona Leotsakos, Ioannis |
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Copyright | Copyright© 2014 International Institute of Anticancer Research (Dr. John G. Delinassios), All rights reserved. |
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Keywords | h-TERT SURVIVIN bladder cancer CK20 Circulating tumor cells EGFR PCR CK19 |
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SubjectTerms | Aged Biomarkers, Tumor - blood Biomarkers, Tumor - genetics Biomarkers, Tumor - urine Disease-Free Survival Female Humans Inhibitor of Apoptosis Proteins - genetics Inhibitor of Apoptosis Proteins - urine Keratin-19 - blood Keratin-20 - blood Keratin-20 - genetics Keratin-20 - urine Male Multiplex Polymerase Chain Reaction - methods Neoplasm Grading Neoplasm Staging - methods Neoplastic Cells, Circulating - pathology Receptor, Epidermal Growth Factor - blood RNA, Messenger - urine Telomerase - genetics Telomerase - urine Urinary Bladder Neoplasms - blood Urinary Bladder Neoplasms - pathology Urinary Bladder Neoplasms - urine |
Title | Detection of circulating tumor cells in bladder cancer using multiplex PCR assays |
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