Molecular Genetics of the Heterogeneiety of Gastrointestinal Cancer in association of cancer stem cells.
Project/Area Number |
18390367
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Research Category |
Grant-in-Aid for Scientific Research (B)
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Allocation Type | Single-year Grants |
Section | 一般 |
Research Field |
Digestive surgery
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Research Institution | Kyushu University |
Principal Investigator |
INOUE Hiroshi Kyushu University, Medical Institute of Bioregulation, Department of Molecular and Cellular Biology, Associate Professor (90203249)
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Co-Investigator(Kenkyū-buntansha) |
MIMORI Koshi Kyushu University, Medical Insttitute of Bioregulation, Department of Molecular and Cellular Biology, Research Associate (50322748)
TANAKA Fumiaki Kyushu University, Hospital, Department of Molecular and Cellular Biology, Research Associate (30332836)
MORI Masaki Kyushu University, Medical Insttitute of Bioregulation, Medical Insttitute of Bioregulation, Department of Molecular and Cellular Biology, Professor (70190999)
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Project Period (FY) |
2006 – 2007
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Project Status |
Completed (Fiscal Year 2007)
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Budget Amount *help |
¥17,620,000 (Direct Cost: ¥15,400,000、Indirect Cost: ¥2,220,000)
Fiscal Year 2007: ¥9,620,000 (Direct Cost: ¥7,400,000、Indirect Cost: ¥2,220,000)
Fiscal Year 2006: ¥8,000,000 (Direct Cost: ¥8,000,000)
|
Keywords | Cancer / Heterogeneity / DNA microarray / LMD / Gastric cancer / Hepatocellular carcinoma / Laser pressure cell transfer method / Genome array / CD49 / 抗癌剤耐性 / SP |
Research Abstract |
Purpose To investigate the genetic base of the heterogeneity of the digestive cancer, two approaches such as 1) DNA microarray analysis combined with laser microdissection for the gene expression of the digestive tract carcinoma and 2) cancer stem cell survey have been conducted. Material and method Cell line and clinically resected tumor specimens were used for the analysis. Human 44k-DNA microarray were purchased from “Agilent technology" and microarray analysis were performed according to the company's instruction. In addition, genomic microarray were performed for 10 cases of esophageal cancer and 5 cased of heptocellular carcinoma. Results 1) Early staged cancer shows no definitive different expression profile from various parts of the tumor, however, in advance staged cancer, a definitive difference of the profile was observed among the portions of the tumor, in particular, superficial luminal parts and deeper invasive portions. 2) Expression profiles differ in cases with different histological types. 3) Genomic alteration and simultaneous mRNA expression changes were observed in accordance with the histological development of the tumor. In heptocellular carcinoma, peripheral portion of the tumor shows very faint alteration in both mRNA and genomics. However, in the central portion that reciprocally later developed, histologically showed more aggressive pattern and also manifested very variable alterations in both mRNA and genomics. Discussion DNA microarray analysis combined with laser microdissection for the gene expression as well as genomic alteration had very powerful potential for the analysis of histologically complexed tumor. More detailed study will clarify the perplexed nature of the human carcinogenesis.
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Report
(3 results)
Research Products
(53 results)
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[Journal Article] EML4-ALK fusion transcript is not found in gastrointestinal and breast cancers2008
Author(s)
Inoue, H., Fukuyoshi, Y., Kita, Y., Utsunomiya, T., Ishida, T., Mori, M
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Journal Title
Br J Cancer 98(9)
Pages: 1536-9
Description
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[Journal Article] Activin a causes cancer cell aggressiveness in esophageal squamous cell carcinoma cells2008
Author(s)
Yoshinaga, K., Yamashita, K., Mimori, K., Tanaka, F., Inoue, H., Mori, M
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Journal Title
Ann Surg Oncol 15(1)
Pages: 96-103
Description
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[Journal Article] Efficient identification of a novel cancer/testis antigen for immunotherapy using three-step microarray analysis2008
Author(s)
Yokoe, T., Tanaka, F., Mimori, K., Inoue, H., Ohmachi, T., Kusunoki, M., Mori, M
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Journal Title
Cancer Res 68(4)
Pages: 1074-82
Description
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[Journal Article] Prognostic value of tumor-infiltrating.FOXP3+regulatory T cells in patients with hepatocellular carcinoma2008
Author(s)
Sasaki, A., Tanaka, F., Mimori, K., Inoue, H., Kai, S., Shibata, K., Ohta, M., Kitano, S., Mori, M
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Journal Title
Eur J Surg Oncol 34(2)
Pages: 173-9
Description
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[Journal Article] Clinical Significance of Loss of Fhll Expression in Human Gastric Cancer2008
Author(s)
Sakashita, K., Mimori, K., Tanaka, F., Kamohara, Y., Inoue, H., Sawada, T., Hirakawa, K., Mori, M
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Journal Title
Ann Surg Oncol (in press)
Description
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[Journal Article] Clinical significance of the reduced expression of G protein gamma 7(GNG7) in oesophageal cancer2008
Author(s)
Ohta, M., Mimori, K., Fukuyoshi, Y., Kita, Y., Motoyama, K., Yamashita, K., Ishii, H., Inoue, H., Mori, M
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Journal Title
Br J Cancer 98(2)
Pages: 410-7
Description
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[Journal Article] Clinical Significance of BMP7 in Human Colorectal Cancer2008
Author(s)
Motoyama, K., Tanaka, F., Kosaka, Y., Mimori, K., Uetake, H., Inoue, H., Sugihara, K., Mori, M
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Journal Title
Ann Surg Oncol (in press)
Description
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[Journal Article] Clinical significance of high mobility group A2 in human gastric cancer and its relationship to let-7 microRNA family2008
Author(s)
Motoyama, K., Inoue, H., Nakamura, Y., Uetake, H., Sugihara, K., Mori, M
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Journal Title
Clin Cancer Res 14(8)
Pages: 2334-40
Description
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[Journal Article] Clinical significance of LAMB3 and COL7A1 mRNA in esophageal squamous cell carcinoma2008
Author(s)
Kita, Y., Mimori, K., Tanaka, F., Matsumoto, T., Haraguchi, N., Ishikawa, K., Matsuzaki, S., Fukuyoshi, Y., Inoue, H., Natsugoe, S, Aikou, T., Mori, M
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Journal Title
Eur J Burg Oncol (in press)
Description
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[Journal Article] Biological and genetic characteristics of tumor-initiating cells in colon cancer2008
Author(s)
Ieta, K., Tanaka, F., Haraguchi, N., Kita, Y., Sakashita, H., Mimori, K., Matsumoto, T., Inoue, H., Kuwano, H., Mori, M
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Journal Title
Ann Surg Oncol 15(2)
Pages: 638-48
Description
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[Journal Article] Clinical significance of growth differentiation factor 11 in colorectal cancer2007
Author(s)
Yokoe, T., Ohmachi, T., Inoue, H., Mimori, K., Tanaka, F., Kusunoki, M., Mori, M
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Journal Title
Int J Oncol 31(5)
Pages: 1097-101
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[Journal Article] A specific gene-expression signature quantifies the degree of hepatic fibrosis in patients with chronic liver disease2007
Author(s)
Utsunomiya, T., Okamoto, M., Wakiyama, S., Hashimoto, M., Fukuzawa, K., Ezaki, T., Aishima, S.,Yoshikawa, Y., Hanai, T., Inoue, H., Barnard, G.F., Mori, M
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Journal Title
World J Gastroenterol 13(3)
Pages: 383-90
Description
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[Journal Article] TIMP-3 and Phosphatidylinositol 3-kinase Genes Were Found to Be Related to the Progression of Colon Cancer in a Comparison of Pneumoperitoneum and Laparotomy in a Murine Model2007
Author(s)
Tanaka, F., Sonoda, H., Okamoto, M., Mimori, K., Utsunomiya, T., Inoue, H., Hanai, T., Mori, M
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Journal Title
Surgery Today 37(3)
Pages: 220-5
NAID
Description
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[Journal Article] BAC clones related to prognosis in patients with esophageal squamous carcinoma : an array comparative genomic hybridization study2007
Author(s)
Hirasaki, S., Noguchi, T., Mimori, K., Onuki, J., Morita, K., Inoue, H., Sugi Mori, M., Hirano, T
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Journal Title
Oncologist 12(4)
Pages: 406-17
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