期刊
ASIAN PACIFIC JOURNAL OF CANCER PREVENTION
卷 15, 期 5, 页码 1931-1936出版社
ASIAN PACIFIC ORGANIZATION CANCER PREVENTION
DOI: 10.7314/APJCP.2014.15.5.1931
关键词
Gastric cancer; microarray; molecular markers; P2RY2; EphB1; CD248
类别
资金
- FONIS [SA10I20042]
- CORFO [12IDL2-16202]
- Mecesup [UCH0115]
- Fondecyt [1130292]
Background: Gastric cancer (GC) ranks as one of the major causes of mortality due to cancer worldwide. In Chile, it is currently the leading cause of cancer death. Identification of novel molecular markers that may help to improve disease diagnosis at early stages is imperative. Materials and Methods: Using whole-genome DNA microarrays we determined differential mRNA levels in fresh human GC samples compared to adjacent healthy mucosa from the same patients. Genes significantly overexpressed in GC were validated by RT-PCR in a group of 14 GC cases. Results: The genes CD248, NSD1, RAB17, ABCG8, Ephb1 and P2RY2 were detected as the top overexpressed in GC biopsies. P2RY2, Ephb1 and CD248 showed the best sensitivity for GC detection with values of 92.9%, 85.7% and 64.3% (p<0.05), respectively. Specificity was 85.7%, 71.4% and 71.4% (p<0.05), for each respectively.
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