2009 Fiscal Year Final Research Report
Mechanism and regulation of gastric carcinogenesis caused by Helicobacter pylori infection
Project/Area Number |
17013001
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Research Category |
Grant-in-Aid for Scientific Research on Priority Areas
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Allocation Type | Single-year Grants |
Review Section |
Biological Sciences
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Research Institution | Hokkaido University |
Principal Investigator |
HATAKEYAMA Masanori Hokkaido University, 大学院・医学系研究科, 教授 (40189551)
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Project Period (FY) |
2005 – 2009
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Keywords | ヘリコバクター・ピロリ / CagA / トランスジェニックマウス / 胃がん / 血液がん |
Research Abstract |
We identified that, upon delivery into host gastric epithelial cells, Helicobacter pylori virulence factor CagA binds to a human oncoprotein SHP-2 phosphatase and PAR1/MARK cell polarity regulator to perturb their activities, thereby causing cellular dysfunction that lead to malignant transformation. We also generated transgenic mice that express the H. pylori cagA gene and confirmed that CagA is the first bacterium-derived oncoprotein. Furthermore, we delineated the relationship between the structural polymorphism and the degree of oncogenic potential of CagA.
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Research Products
(59 results)
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[Journal Article] Helicobacter pylor CagA activates NF-kB by targeting TAK1 for TRAF6-mediated K63-ubiquitination.2009
Author(s)
Lamb, A., Yang, X-D., Nicole, Tsang., Y-H., Li, J-D., Higashi, H., Hatakeyama, M., Peek, R.M., Blanke, S. R, Chen, L-F.
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Journal Title
EMBO Rep. 10
Pages: 1242-1249
Peer Reviewed
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[Journal Article] Helicobacter pylori CagA causes mitotic impairment and induces chromosomal instability.2009
Author(s)
Umeda, M., Murata-Kamiya, N., Saito Y., Ohba, Y., Takahashi, M, Hatakeyama, M.
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Journal Title
J. Biol. Chem. 284
Pages: 22166-22172
Peer Reviewed
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[Journal Article] Helicobacter pylori VacA-induced inhibition of GSK3 through the PI3K/Akt signaling pathway.2009
Author(s)
Nakayama, M., Hisatsune, J., Yamasaki, E., Isomoto, H., Kurazono, H., Hatakeyama, M., Azuma, T., Yamaoka, Y., Yahiro, K., Moss, J, Hirayama, T.
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Journal Title
J. Biol. Chem. 284
Pages: 1612-1619
Peer Reviewed
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[Journal Article] Structural and functional diversity in the PAR1b/MARK2-binding region of Helicobacter pylori CagA.2008
Author(s)
Lu, H., Saito, Y., Umeda, M., Murata-Kamiya, N., Zhang, H., Higashi, H, Hatakeyama, M.
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Journal Title
Cancer Science 99
Pages: 2004-2011
Peer Reviewed
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[Journal Article] Anti-tumor activity of ESX1 on cancer cells harboring oncogenic K-ras mutation.2008
Author(s)
Nakajima, J., Ishikawa, S., Hamada, J., Yanagihara, M., Koike, T, Hatakeyama, M.
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Journal Title
Biochem. Biophys. Res. Commun. 370
Pages: 189-194
Peer Reviewed
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[Journal Article] Transgenic expression of Helicobacter pylori CagA induces gastrointestinal and hematopoietic neoplasms in mouse. Proc.2008
Author(s)
Ohnishi, N., Yuasa, H., Tanaka, S., Sawa, H., Miura, M., Matsui, A., Higashi, H., Musashi, M., Iwabuchi, K., Suzuki, M., Yamada, G., Azuma, T, Hatakeyama, M.
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Journal Title
Natl. Acad. Sci. USA 105
Pages: 1003-1008
Peer Reviewed
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[Journal Article] Isolation of a distinct class of gain-of-function SHP-2 muntants with oncogenic RAS-like transforming activity from solid tumors.2008
Author(s)
Miyamoto, D., Miyamoto, M., Takahashi, A., Yomogita, Y., Higashi, H., Kondo, S, Hatakeyama, M.
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Journal Title
Oncogene 27
Pages: 3508-3515
Peer Reviewed
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[Journal Article] Deregulation of b-catenin signal by Helicobacter pylori CagA requires the CagA - multimerization sequence.2008
Author(s)
Kurashima, Y., Murata-Kamiya, N., Kikuchi, K., Higashi, H., Azuma, T., Kondo, S, Hatakeyama, M.
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Journal Title
International Journal of Cancer 122
Pages: 823-831
Peer Reviewed
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[Journal Article] Helicobacter pylori CagA targets PAR1 / MARK kinase to disrupt epithelial cell polarity.2007
Author(s)
Saadat, I., Higashi, H., Obuse, C., Umeda, M., Murata-Kamiya, N., Saito, Y., Lu, H., Ohnishi, N., Azuma, T., Suzuki, A., Ohno, S, Hatakeyama, M.
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Journal Title
Nature 447
Pages: 330-333
Peer Reviewed
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[Journal Article] Helicobacter pylori CagA interacts with E-cadherin and deregulates the b-catenin signal that promotes intestinal transdifferentiation in gastric epithelial cells.2007
Author(s)
Murata-Kamiya, N., Kurashima, Y., Teishikata, Y., Yamahashi, Y., Saito, Y., Higashi, H., Aburatani, H., Akiyama, T., Peek, R.M., Jr., Azuma, T, Hatakeyama, M.
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Journal Title
Oncogene 26
Pages: 4617-4626
Peer Reviewed
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[Journal Article] Development of a novel method to detect Helicobacter pylori cagA genotype from paraffin - embedded materials: comparison between patients with duodenal ulcer and gastric cancer in young Japanese.2006
Author(s)
Ueda, H., Ito, M., Eguchi, H., Tanaka, S., Yoshihara, M., Haruma, K., Hatakeyama, M, Chayama, K.
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Journal Title
Digestion 73
Pages: 47-53
Peer Reviewed
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[Journal Article] Influence of EPIYA - repeat polymorphism on the phosphorylation- dependent biological activity of Helicobacter pylori CagA.2006
Author(s)
Naito, M., Yamazaki, T., Tsutsumi, R., Higashi, H., Onoe, K., Yamazaki, S., Azuma, T, Hatakeyama, M.
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Journal Title
Gastroenterology 130
Pages: 1181-1190
Peer Reviewed
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[Journal Article] Downregulation of cyclin-dependent kinase inhibitor; p57(kip2), is involved in the cell cycle progression of vascular smooth muscle cells.2005
Author(s)
Nakano, N., Urasawa, K., Takagi, Y., Saito, T., Kaneta, S., Ishikawa, S., Higashi, H., Tsutsui, H., Hatakeyama, M, Kitabatake, A.
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Journal Title
Biochem. Biophys. Res. Commun. 338
Pages: 1661-1667
Peer Reviewed
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[Journal Article] Paired-like homeoprotein ESXR1 acts as a sequence-specific transcriptional repressor of the human K-ras gene.2005
Author(s)
Yanagihara, M., Ishikawa, S., Naito, M., Nakajima, J., Aburatani, H, Hatakeyama, M.
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Journal Title
Oncogene 24
Pages: 5878-5887
Peer Reviewed
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[Journal Article] Functional antagonism between Helicobacter pylori CagA and vacuolating toxin VacA in control of the NFAT signaling pathway in gastric epithelial cells.2005
Author(s)
Yokoyama, K., Higashi, H., Ishikawa, S., Fujii, Y., Kondo, S., Kato, H., Azuma, T., Wada, A., Hirayama, T., Aburatani, H, Hatakeyama, M.
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Journal Title
Proc. Natl. Acad. Sci. USA 102
Pages: 9661-9666
Peer Reviewed
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[Journal Article] EPIYA motif is a membrane-targeting singnal of Helicobacter pylori virulence factor CagA in mammalian cells.2005
Author(s)
Higashi, H., Yokoyama, K., Fujii, Y., Ren, S., Yuasa, H., Saadat, I., Murata-Kamiya, N., Azuma, T, Hatakeyama, M.
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Journal Title
J. Biol. Chem. 280
Pages: 23130-23137
Peer Reviewed
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[Journal Article] Activation of beta-catenin by carcinogenic Helicobacter pylori. Proc.2005
Author(s)
Franco, A.T., Israel, D.A., Washington, M.K., Krishna, U., Fox, J.G., Rogers, A.B., Neish, A.S., Collier-Hyams, L., Perez-Perez, G.I., Hatakeyama, M., Whitehead, R., gaus, K., O'brien, D.P., Romero-Gallo, J., Peek, R.M., Jr.
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Journal Title
Natl. Acad. Sci. USA 102
Pages: 10646-10651
Peer Reviewed
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[Journal Article] Distinct diversity of vacA, cagA, and cagE genes of Helicobacter pylori associated with peptic ulcer in Japan.2005
Author(s)
Yamazaki, S., Yamakawa, A., Okuda, T., Ohtani, M., Suto, H., Ito, Y., Yamazaki, Y., Keida, Y., Higashi, H., Hatakeyama, M, Azuma, T.
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Journal Title
J. Clin. Microbiol. 43
Pages: 3906-3916
Peer Reviewed
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[Journal Article] Identification of Helicobacter pylori and the cagA genotype in gastric biopsies using higly sensitive real-time PCR as a new diagnostic tool.2005
Author(s)
Yamazaki, S., Kato, S., Matsukura, N., Ohtani, M., Ito, Y., Suto, H., Yamazaki, Y., Yamakawa, A., Tokudome, S., Higashi, H., Hatakeyama, M, Azuma, T.
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Journal Title
FEMS Immunol. Med. Microbiol. 44
Pages: 261-268
Peer Reviewed
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[Presentation] H. pylori and gastric carcinogenesis2008
Author(s)
畠山昌則
Organizer
The Asia - Africa International Network Symposium of JSPS Asia and Africa Science Platform Program and The Fourth LiverCare Center Symposium
Place of Presentation
Charoen Thani Hotel, Khon Kaen, Thailand.
Year and Date
2008-02-20
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