The detection of disseminated tumor cells in bone marrow and peripheral blood of gastric cancer patients by multimarker (CEA, CK20, TFF1 and MUC2) quantitative real-time PCR

被引:24
作者
Dardaei, L. [1 ,2 ,3 ]
Shahsavani, R. [1 ]
Ghavamzadeh, A. [1 ]
Behmanesh, M. [2 ]
Aslankoohi, E. [1 ]
Alimoghaddam, K. [1 ]
Ghaffari, S. H. [1 ]
机构
[1] Univ Tehran Med Sci, Hematol Oncol & Stem Cell Transplantat Res Ctr, Tehran 11411, Iran
[2] Tarbiat Modares Univ, Fac Biol Sci, Dept Genet, Tehran, Iran
[3] IFOM Fdn Ist FIRC Oncol Mol, I-20139 Milan, Italy
关键词
Gastric cancer; Disseminated tumor cell; Quantitative real-time PCR; CEA; CK20; TFF1; MUC2; BREAST-CANCER; MOLECULAR-DETECTION; CLINICAL IMPACT; EXPRESSION; CARCINOMA; STAGE; CK19; MICROMETASTASES; PROGNOSIS; ALPHA;
D O I
10.1016/j.clinbiochem.2010.11.005
中图分类号
R446 [实验室诊断]; R-33 [实验医学、医学实验];
学科分类号
1001 ;
摘要
Objective: To investigate the suitability of multimarker detection of DTCs in PB and BM of GC patients. Design and method: A qRT-PCR assay was developed to estimate the number of CEA, CK20, TFF1 and MUC2 transcripts in PB and BM samples of 35 GC patients prior to the initiation of therapy. PB samples from healthy volunteers and BM from patients with hematological malignancies were used as negative controls. Results: In PB analysis; 22.9%, 37.1%, 31.4%, and 22.9% of GC patients and in BM analysis; 20%, 28.6%, 45.7%, and 22.9% of GC patients were positive for CEA, CK20, TFF1 and MUC2 mRNAs, respectively. Samples from the control group were negative for the expression of all the markers tested in this study. A higher positive ratio was obtained with the multimarker detection in comparison to the single marker detection. There was a significant correlation between the PB and BM samples for DTC detection. Conclusion: Multimarker detection assay is a reliable and powerful tool for the early detection of DTCs in GC patients. (C) 2010 The Canadian Society of Clinical Chemists. Published by Elsevier Inc. All rights reserved.
引用
收藏
页码:325 / 330
页数:6
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