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Detection of Circulating Tumor Cells in Peripheral Blood by Reverse Transcriptase - polymerase Chain Reaction in Gastric Cancer Patients
±èÇõ, ÀÌ¿µ¿, Á¤ÅÂÁØ, ÃÖÀÏ¿µ, ±èÀμø, Çѵ¿¼ö, Àü¿ëö, ¼ÕÁÖÇö, ¹ÚÈÍ°â, ¹éÈ«±Ô, ÀÌÈ«±â, ³²¿µ¼ö, ¾È¸íÁÖ,
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±èÇõ ( Kim Hawk )
ÇѾç´ëÇб³ ÀÇ°ú´ëÇÐ ³»°úÇб³½Ç
ÀÌ¿µ¿ ( Lee Young-Yiul )
ÇѾç´ëÇб³ ÀÇ°ú´ëÇÐ ³»°úÇб³½Ç
Á¤ÅÂÁØ ( Jeong Tae-June )
ÇѾç´ëÇб³ ÀÇ°ú´ëÇÐ ³»°úÇб³½Ç
ÃÖÀÏ¿µ ( Choi Il-Young )
ÇѾç´ëÇб³ ÀÇ°ú´ëÇÐ ³»°úÇб³½Ç
±èÀμø ( Kim In-Soon )
ÇѾç´ëÇб³ ÀÇ°ú´ëÇÐ ³»°úÇб³½Ç
Çѵ¿¼ö ( Han Dong-Soo )
ÇѾç´ëÇб³ ÀÇ°ú´ëÇÐ ³»°úÇб³½Ç
Àü¿ëö ( Jeon Yong-Chul )
ÇѾç´ëÇб³ ÀÇ°ú´ëÇÐ ³»°úÇб³½Ç
¼ÕÁÖÇö ( Sohn Joo-Hyun )
ÇѾç´ëÇб³ ÀÇ°ú´ëÇÐ ³»°úÇб³½Ç
¹ÚÈÍ°â ( Park Hwon-Kyum )
ÇѾç´ëÇб³ ÀÇ°ú´ëÇÐ ¿Ü°úÇб³½Ç
¹éÈ«±Ô ( Baik Hong-Kyu )
ÇѾç´ëÇб³ ÀÇ°ú´ëÇÐ ¿Ü°úÇб³½Ç
ÀÌÈ«±â ( Lee Hong-Gee )
ÇѾç´ëÇб³ ÀÇ°ú´ëÇÐ ¿Ü°úÇб³½Ç
³²¿µ¼ö ( Nam Young-Soo )
ÇѾç´ëÇб³ ÀÇ°ú´ëÇÐ ¿Ü°úÇб³½Ç
¾È¸íÁÖ ( Ahn Myung-Ju )
ÇѾç´ëÇб³ ÀÇ°ú´ëÇÐ ³»°úÇб³½Ç
KMID : 0360320000320020304
Abstract
Purpose :Cancer cells can be detected in bloods, lymph nodes or bone marrows by using reverse transcriptase-polymerase chain reaction (RT-PCR). We investigated to detect carcinoembryonic antigen (CEA) mRNA in peripheral blood by RT-PCR as a circulating tumor cell marker of gastric
cancer patients.
Materials and Methods :Gastric cancer patients were early gastric cancer with curative surgery (Group A, n=9), advanced gastric cancer with curative surgery (Group B, n=18) and relapsed or metastatic gastric cancer (Group C, n=13). RT-PCR was performed to detect CEA mRNA expression in the peripheral blood mononuclear cells and we used Colo 201 cells as a positive control.
Results :Seventeen patients (42.5%) were positive for CEA mRNA, whereas, all the nine normal subjects were negative. There were significant differences between group A and C (p=0.041), group B and C (p=0.001) and between patients underwent curative surgery and metastatic gastric cancer patients (p=0.001) but not between A and B (p=0.036) for the positive rate of CEA mRNA.
Conclusion :Large number of gastric cancer patients showed positive CEA mRNA in peripheral blood suggesting that gastric cancer cells can metastasize into blood at early stage.
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Stomach neoplasm;Micrometastasis;CEA;
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