2009 Fiscal Year Final Research Report
The role of TEL in embryonic stem cell differentiation, and identification of a new interacting protein.
| Project/Area Number |
18591085
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Hematology
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| Research Institution | Ehime University (2008-2009)
Dokkyo Medical University (2006-2007) |
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Principal Investigator |
EGUCHI Mariko Ehime University, 医学部・附属病院, 講師 (40420781)
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| Co-Investigator(Kenkyū-buntansha) |
EGUCHI Minenori 愛媛大学, 医学系研究科, 講師 (50420782)
YAMAGATA Tetsuya 獨協医科大学, 医学部, 准教授 (30424047)
MAKI Kazuhiro 獨協医科大学, 医学部, 講師 (50337391)
SASAKI Ko 獨協医科大学, 医学部, 講師 (60282638)
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| Project Period (FY) |
2006 – 2009
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| Keywords | TEL / ETV6 / TEL-TRKC / 転写因子 / 造血細胞分化 / ES細胞 |
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| Research Abstract |
Murine embryonic stem (ES) cells expressing wild type TEL and TEL-TRKC fusion gene, identified as an oncogenic factor in both leukemia and infantile fibrosarcoma, were established. The ES cells were differentiated into hematopoietic cells and analyzed in detail to clarify its function necessary for tumorigenesis. ES cells expressing wild type TEL had the tendency to remain in immature hematopoietic cells, whereas TEL-TRKC expressing ES cells could not differentiate into hemangioblast, a common precursor of endothelial and blood cells, and their capacity to produce hematopoietic stem cells were severely impaired. Mesoderm derived, immature cells increased instead of blood cells, which might be the cancer stem cells for TEL-TRKC harboring fibrosarcoma. Interacting protein to TEL is now being investigated for its association with tumorigenesis.
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[Journal Article] Clinical features and outcome of MLL gene rearranged acute lymphoblastic leukemia in infants with additional chromosomal abnormalities other than 11q23 translocation.2008
Author(s)
H. Tauchi, D. Tomizawa, M. Eguchi, Eguchi-Ishimae, K. Koh, M. Hirayama, N. Miyamura, N. Kinukawa, Y. Hayashi, K. Horibe, E. Ishii
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Journal Title
Leuk Res 32巻10号
Pages: 1523-1529
Peer Reviewed
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[Journal Article] Outcome of risk-based therapy for infant acute lymphoblastic leukemia with or without an MLL gene rearrangement, with emphasis on late effects: a final report of two consecutive studies, MLL96 and MLL98, of the Japan Infant Leukemia Study Group.2007
Author(s)
D. Tomizawa, K. Koh, T. Sato, N. Kinukawa, A. Morimoto, K. Isoyama, Y. Kosaka, T. Oda, M. Oda, Y. Hayashi, M. Eguchi, K. Horibe, T. Nakahata, S. Mizutani, E. Ishii
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Journal Title
Leukemia 21巻11号
Pages: 2258-2263
Peer Reviewed
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