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Chemokine growth-regulated oncogene 1 as a putative biomarker for gastric cancer progression

 Jae-Joon Jung  ;  Sewon Noh  ;  Hei-Cheul Jeung  ;  Minkyu Jung  ;  Tae Soo Kim  ;  Sung Hoon Noh  ;  Jae Kyung Roh  ;  Hyun Cheol Chung  ;  Sun Young Rha 
 CANCER SCIENCE, Vol.101(10) : 2200-2206, 2010 
Journal Title
Issue Date
Adult ; Aged ; Aged, 80 and over ; Biomarkers, Tumor/blood* ; Chemokine CXCL1/blood* ; Disease Progression ; Female ; Gene Expression Profiling ; Humans ; Male ; Middle Aged ; Prognosis ; Stomach Neoplasms/blood ; Stomach Neoplasms/diagnosis* ; Stomach Neoplasms/mortality ; Stomach Neoplasms/pathology
Gastric cancer (GC) is a heterogeneous disease that is not well detected by current tumor markers. Identifying molecular markers that can predict the potential for tumor progression is important for appropriate individualized therapy. Using the Cancer Metastasis Research Center microarray database (17K cDNA microarray), we identified genes that were differentially expressed between 96 cancer and 98 normal gastric tissues using significant analysis of microarrays. From these, we selected genes that were overexpressed more than twofold in tumor tissues that encode secreted proteins. The selected genes were validated with ELISA using the sera of 96 GC patients and 48 healthy donors. Our first round of selection included 6510 genes that were differentially expressed between 96 cancer and 98 normal gastric tissues with a minimal false discovery rate of 0.005%. Out of those genes, we picked 386 that encoded secreted proteins based on the SOURCE database. Of these genes, we focused on 55 that were overexpressed more than twofold in GC compared to normal tissues. With Ingenuity Pathway Analysis, we found 34 genes related to cancer. One in particular, chemokine growth-regulated oncogene 1, CXCL1, has been linked to cancer progression in various cancer types, but not yet to GC. Levels of CXCL1 in serum samples of GC patients were significantly higher compared with healthy donors (P < 0.05). Within GC patients, CXCL1 serum levels increased according to tumor stage and lymph node metastasis. The CXCL1 gene appears to be a candidate marker for GC progression
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1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Surgery (외과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Yonsei Biomedical Research Center (연세의생명연구원) > 1. Journal Papers
Yonsei Authors
Noh, Sung Hoon(노성훈) ORCID logo https://orcid.org/0000-0003-4386-6886
Noh, Se Won(노세원)
Roh, Jae Kyung(노재경)
Rha, Sun Young(라선영) ORCID logo https://orcid.org/0000-0002-2512-4531
Jung, Min Kyu(정민규) ORCID logo https://orcid.org/0000-0001-8281-3387
Chung, Hyun Cheol(정현철) ORCID logo https://orcid.org/0000-0002-0920-9471
Jeung, Hei Cheul(정희철) ORCID logo https://orcid.org/0000-0003-0952-3679
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