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논문 기본 정보

자료유형
학술저널
저자정보
Lee, Seung-Ho (Department of Biochemistry & Molecular Biology, College of Medicine, Korea University) Yun, Mi-Jin (Department of Biochemistry & Molecular Biology, College of Medicine, Korea University) Kim, Ki-Nam (Department of Biochemistry & Molecular Biology, College of Medicine, Korea University) Seo, Sang-Hui (Department of Biochemistry & Molecular Biology, College of Medicine, Korea University) Sohn, Sung-Hwa (Department of Biochemistry & Molecular Biology, College of Medicine, Korea University) Kim, Yu-Ri (Department of Biochemistry & Molecular Biology, College of Medicine, Korea University) Kim, Hye-Won (Department of Biochemistry & Molecular Biology, College of Medicine, Korea University) Kim, In-Kyoung (Department of Biochemistry & Molecular Biology, College of Medicine, Korea University) Shim, Boo-Im (Department of Biochemistry & Molecular Biology, College of Medicine, Korea University) Lee, Seung-Min (Department of Biochemistry & Molecular Biology, College of Medicine, Korea University) Kim, Meyoung-Kon (Department of Biochemistry & Molecular Biology, College of Medicine, Korea University)
저널정보
대한독성유전단백체학회 Molecular & cellular toxicology Molecular & cellular toxicology 제3권 제3호
발행연도
2007.1
수록면
198 - 207 (10page)

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[ $^{18}F$ ]-fluorodeoxyglucose (FDG) uptake on positron emission tomography (PET) scan has been found to reflect tumor aggressiveness and prognosis in various types of cancer. In this study, the gene expression profiles of glial tumors were evaluated to determine whether glial tumors with high $^{18}F$-FDG uptake have more aggressive biological potential than with low uptake. Surgical specimens were obtained from the 12 patients with glial tumors (4 males and 8 females, age range 42-68 years). The tumor samples were divided into two groups based on the $^{18}F$-FDG uptake PET scan findings: high $^{18}F$-FDG uptake (n=4) and low $^{18}F$-FDG uptake (n=8). The pathological tumor grade was closely correlated with the $^{18}F$-FDG uptake pattern: Glial tumors with high $^{18}F$-FDG uptake were pathologically Edmondson-Steiner grade III, while those with low uptake were grade II. The total RNA was extracted from the frozen tissues of all glial tumors (n=12), and adjacent non-cancerous tissue (n=3). The gene expression profiles were evaluated using cDNA microarray. The glial tumors with high $^{18}F$-FDG uptake showed increase expression of 15 genes compared to those with low uptake (P<0.005). Nine genes were down-regulated. Gene expression is closely related to cell survival, cell-to-cell adhesion or cell spreading; therefore, glial tumors with high $^{18}F$-FDG uptake appear to have more aggressive biological properties than those with low uptake.

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