2008 Fiscal Year Final Research Report
Mechanism for inflammation-associated gastrointestinal carcinogenesis.
Project/Area Number |
18209027
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Research Category |
Grant-in-Aid for Scientific Research (A)
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Allocation Type | Single-year Grants |
Section | 一般 |
Research Field |
Gastroenterology
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Research Institution | Kyoto University |
Principal Investigator |
CHIBA Tsutomu Kyoto University, 医学研究科, 教授 (30188487)
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Co-Investigator(Renkei-kenkyūsha) |
WATANABE Norihiko 京都大学, 医学研究科, 准教授 (50419446)
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Project Period (FY) |
2006 – 2008
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Keywords | AID / 炎症 / 発癌 / 遺伝子変異 / H. pylori / REG蛋白 |
Research Abstract |
炎症から消化器発癌に至る機序について研究を行い、HPからの胃癌発症では、ホストのTh1/Th2バランスが重要であり、IFNγ, IL6, 22などがregIαの発現を増強して発癌に関与していること、胃炎、胃癌の発症には小腸パイエル板が必須であること、さらにHPが胃粘膜でAIDの発現を誘導して遺伝子変異を誘導することが明らかとなった。さらにColitic cancerについては、潰瘍性大腸炎における種々のサイトカインがAIDの発現を増強して遺伝子変異を導入し、発癌に寄与していると考えられた。
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Research Products
(44 results)
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[Journal Article] A novel mouse model of hepatocarcinogenesis triggered by AID causing deleterious p53 mutations2009
Author(s)
Takai A, Toyoshima T, Uemura M, Kitawaki Y, Marusawa H, Hiai H, Yamada S, Okazaki I, Honjo T, Chiba T, Kinoshita K
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Journal Title
Oncogene 28
Pages: 469-478(53)
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[Journal Article] Growth arrest-specific gene 6 and Axl signaling enhances gastric cancer cell survival via Akt pathway2007
Author(s)
Sawabu T, Seno H, Kawashima T, Fukuda A, Uenoyama Y, Kawada M, Kanda N, Sekikawa A, Fukui H, Yanagita M, Yoshibayashi H, Satoh S, Sakai Y, Nakano T, Chiba T.
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Journal Title
Mol Carcinogenesis 46
Pages: 155-164
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[Journal Article] Essential role of Peyer's patches in the development of Helicobacter-induced gastritis2007
Author(s)
Kiriya K, Watanabe N, Nishio A, Okazaki K, Kido M, Saga K, Tanaka J, Akamatsu T, Ohashi S, Asada M, Fukui T, Chiba T
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Journal Title
Int Immunol 19
Pages: 435-446
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[Journal Article] Matrix metalloproteinase-7 triggers the matricrine action of insulin-like growth factor binding protein 2 in the extracellular matrix2007
Author(s)
Miyamoto S, Nakamura M, Yano K, Ishii G, Hasebe T, Endoh Y, Sangai T, Maeda H, Shi-Chuang Z, Chiba T, Ochiai A
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Journal Title
Cancer Sci 98
Pages: 685-691
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[Journal Article] Immunoglobulin VH gene analysis in primary gastric MALT lymphoma2007
Author(s)
Sakuma H, Nakamura T, Uemura N, Chiba T, Sugiyama T, Asaka M, Akamatsu T, Ueda R, Eimoto T, Goto H, Nakamura S, Inagaki H
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Journal Title
Modern Pathol 20
Pages: 460-466
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[Journal Article] Chromosomal instability by β-catenin/TCF trascription in APC or β-catenin mutant cells2007
Author(s)
Aoki K, Aoki M, Sugai M, Harada N, Miyoshi H, Tsukamoto T, Mizoshita T, Tatematsu M, Seno H, Chiba T, Oshima M, Hsieh C-L, Taketo MM
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Journal Title
Oncogene 26
Pages: 3511-3520
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[Journal Article] Cross-Primed CD8(+) Cytotoxic T cells Induce Severe Helicobacter-associated Gastritis in the Absence of CD4(+) T cells2007
Author(s)
Fukui T, Nishio A, Okazaki K, Kasahara K, Saga K, Tanaka J, Uza N, Ueno S, Kido M, Ohashi S, Asada M, Nakase H, Watanabe N, Chiba T
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Journal Title
Helicobacter 12
Pages: 486-497
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[Journal Article] Gastric mucosal hyperplasia via up-regulation of gastrin induced by persistent activation of gastric innate immunity in MHC class II-deficient mice2006
Author(s)
Fukui T, Nishio A, Okazaki K, Uza N, Ueno S, Kido M, Inoue S, Kitamura H, Kiriya K, Ohashi S, Asada M, Tamaki H, Matsuura M, Kawasaki K, Suzuki K, Uchida K, Fukui H, Nakase H, Watanabe N, Chiba T
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Journal Title
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[Journal Article] Hypoxia induced by benign intestinal epithelial cells is associated with cyclooxygenase-2 expression in stromal cells through AP-1-dependent pathway2006
Author(s)
Uenoyama Y, Seno H, Fukuda A, Sekikawa A, Nanakin A, Sawabu T, Kawada M, Kanda N, Suzuki K, Yada N, Fukui H, Chiba T
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Journal Title
Oncogene 25
Pages: 3277-3285
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[Journal Article] Anti-viral protein APOBEC3G is induced by interferon-alpha stimulation in human hepatocytes2006
Author(s)
Tanaka Y, Marusawa H, Seno H, Matsumoto Y, Ueda Y, Kodama Y, Endo Y, Yamauchi J, Matsumoto T, Takaori-Kondo A, Ikai I, Chiba T
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Journal Title
Biochem Biophys Res Commun 341
Pages: 314-319
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[Presentation] High expression of activation induced cytidine deaminase in human bile duct epithelium during cholangiocarcinogenesis2007
Author(s)
J Komori, H Marusawa, T Machimoto, Y Endo, K Kinoshita, T Kou, H Haga, I Ikai, S Uemoto, T Honjo, T Chiba
Organizer
Digestive Disease Week and the 108th Annual Meeting of the American Gastroenterological Association Institute
Place of Presentation
Washington DC(USA)
Year and Date
2007-05-20
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