| Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2016: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2015: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2014: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
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| Outline of Final Research Achievements |
The purpose of the present study is to analyze gene alteration accompanied with acquisition of drug-resistance against chemotherapy.
During chemotherapy, cancer cells that are sensitive and resistance to chemotherapy were obtained by repeated paracentesis from gastric cancer patients with peritoneal dissemination. Cancer cells were selectively cultured for short duration eliminating normal cells including blood cells and mesothelial cells. Microarray analysis of gene expression and DNA methylation were performed using the cultured cancer cells. Furthermore, we established drug-resistant cells of gastric cancer cell line AGS, and performed genome-wide analysis. We extracted gene alteration with possible relationship with drug resistance.
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