Physiological role of acidic extracellular pH-mediated SPARC processing
Project/Area Number |
19592185
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Research Category |
Grant-in-Aid for Scientific Research (C)
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Allocation Type | Single-year Grants |
Section | 一般 |
Research Field |
Pathobiological dentistry/Dental radiology
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Research Institution | Kanagawa Dental College |
Principal Investigator |
KATO Yasumasa Kanagawa Dental College, 歯学部, 准教授 (50214408)
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Co-Investigator(Kenkyū-buntansha) |
HATA Ryuichiro 神奈川歯科大学, 歯学部, 教授 (10014276)
OZAWA Shigeyuki 神奈川歯科大学, 歯学部, 助教 (40434394)
|
Project Period (FY) |
2007 – 2008
|
Project Status |
Completed (Fiscal Year 2008)
|
Budget Amount *help |
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2008: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2007: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
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Keywords | SPARC / 腫瘍 / 転移 / プロセッシング / 細胞外pH / 酸性細胞外pH |
Research Abstract |
SPARCはosteonectinとしても知られる細胞外基質タンパク質である. 本研究では癌細胞の悪性形質発現への役割について検討した. その結果, 癌細胞が作り出す微小細胞外pHの酸性化は, 高転移性B16-BL6からのSPARCのprocessingを促進し, 癌細胞の悪性形質発現に寄与していることが示唆された. また, 酸性細胞外pH刺激により活性化する細胞内情報伝達には, 細胞外からのCa^(2+)の流入によるphospholipase Dの活性化の他, acidic sphingomyelinaseの活性化も重要であることを見出した.
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Report
(3 results)
Research Products
(32 results)
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[Journal Article] Soluble form of ephrinB2 inhibits xenograft growth of squamous cell carcinoma of the head and neck2009
Author(s)
Kimura, M., Kato, Y., Sano, D., Fujita, K., Sakakibara, A., Kondo, N., Mikami, Y., Tsukuda, M.
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Journal Title
Int J Oncol 34(2)
Pages: 321-7
Related Report
Peer Reviewed
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[Journal Article] Chemokine BRAK stimulates apoptosis of oral squamous cell carcinoma caused by gefitinib2008
Author(s)
Ito, S., Ozawa, S., Shiiki, N., Tsukinoki, K., Kubota, E., Kato, Y., Taguchi, T., Imagawa-Ishiguro, Y., Tsukuda, M., Hata, R.
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Journal Title
Bull. Kanagawa Dent. Coll 36(2)(招待原稿)
Pages: 87-89
Related Report
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[Journal Article] Determination of transcriptional start site and promoter sequence of BRAK/CXCL142008
Author(s)
Komori, R., Ozawa, S., Kato, Y., Shinji, H., Kimoto, S., Hata, R.
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Journal Title
gene. Bull. Kanagawa Dent. Coll 36(2)(招待原稿)
Pages: 90-92
Related Report
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[Journal Article] Type III collagen is essential for growth acceleration of human osteoblastic cells by ascorbic acid 2-phosphate, a long-acting vitamin C derivative2007
Author(s)
Maehata, Y., Takamizawa, S., Ozawa, S., Izukuri, K., Kato, Y., Sato, S., Lee, M.C., Kimura, A., Hata, R.
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Journal Title
Matrix Biol 26(5)
Pages: 371-81
Related Report
Peer Reviewed
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[Journal Article] Acidic extracellular pH increases calcium influx-triggered phospholipase D activity along with acidic sphingomyelinase activation to induce matrix metalloproteinase-9 expression in mouse metastatic melanoma2007
Author(s)
Kato, Y., Ozawa, S., Tsukuda, M., Kubota, E., Miyazaki, K., St-Pierre, Y., Hata, R.
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Journal Title
FEBS J 274(12)
Pages: 3171-83
Related Report
Peer Reviewed
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[Presentation] Distinct roles of NF-κB subunits in matrix metalloproteinase-9 expression induced by acidic extracellular Ph2008
Author(s)
Kato, Y., Ozawa, S., Kubota, E., Tsukuda, M., Miyazaki, K., St-Pierre, Y., and Hata, R.
Organizer
MRS-AACR Joint Meeting, Vancouver, BC
Place of Presentation
Canada
Related Report
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[Presentation] Determination of transcription start-site of CXCL14/BRAK in squamous cell carcinoma2008
Author(s)
Komori, R., Ozawa, S., Kato, Y., Shinji, H., Kimoto, S., and Hata, R.
Organizer
86th General Session & Exhibition of the International Association of the Dental Research, Toronto, ON
Place of Presentation
Canada
Related Report
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[Presentation] p38 signaling up-regulates BRAK expression in squamous cell carcinoma2008
Author(s)
Ozawa, S., Kato, Y., Ito, S., Komori, R., Maehata, Y., Kubota, E., Hata, R.
Organizer
86th General Session & Exhibition of the International Association of the Dental Research, Toronto, ON
Place of Presentation
Canada
Related Report
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[Presentation] Type III collagen regulates growth of human osteoblastic cells2008
Author(s)
Maehata, Y., Takamizawa, S., Ozawa, S., Izukuri, K., Kato, Y., Sato, S., Yoshino, F., Lee, M.C., and Hata, R.
Organizer
86th General Session & Exhibition of the International Association of the Dental Research, Toronto, ON
Place of Presentation
Canada
Related Report
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[Presentation] Type III collagen is essential for growth acceleration of osteoblasts2007
Author(s)
Maehata, Y., Takamizawa, S., Ozawa, S., Izukuri, K., Kato, Y., Sato, S., Lee, MC., and Hata, R.
Organizer
55th Annual Meeting of Japanese Association for Dental Research (JADR)
Place of Presentation
Yokohama, Japan
Related Report
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