Identification of TGF-beta signaling during palatal fusion
| Project/Area Number |
23593046
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Orthodontic/Pediatric dentistry
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| Research Institution | Nihon University |
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Principal Investigator |
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| Project Period (FY) |
2011 – 2013
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| Project Status |
Completed (Fiscal Year 2013)
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| Budget Amount *help |
¥5,330,000 (Direct Cost: ¥4,100,000、Indirect Cost: ¥1,230,000)
Fiscal Year 2013: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2012: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2011: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
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| Keywords | TGF-beta / 口蓋裂 / 二次口蓋 / 分子生物学 / 成長・発育 / 口蓋列 |
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| Research Abstract |
Reported expression patterns for TGF-b receptors (TbR-I, -II, and -III) during palatogenesis suggest that they play essential roles in the mechanisms leading to palatal fusion. This study was to compare the functions of the TbRs during palatal fusion. Using organ culture of mouse palate, TbR-I, -II, and -III expressions were suppressed by the siRNAs of TbR-I, -II, and -III, respectively. Phospho-SMAD2 and MMP-13 expressions also measured. The siRNA treatment decreased the expression level of each receptor. When treated with either siTbR-I or -II, palatal shelves were complete clefting. Treatment with siTbR-III resulted in a persistent midline seam of medial edge epithelium (MEE). Treatment with all siTbRs altered the pattern of phosphor-SMAD2. Treated with siTbR-I or -II showed altered MMP-13 expression levels. The ability to identify and recover MEE cells during palatal fusion will aid in the evaluation of the different mechanistic events regulated by each TbR during palatogenesis.
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Report
(4 results)
Research Products
(19 results)
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Author(s)
Nakajima A, Tsuboi Y, Suzuki I, Honda K, Shinoda M, Kondo M, Matsuura S, Shibuta K, Yasuda M, Shimizu N, Iwata K
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Journal Title
J Dent Res
Volume: 90
Pages: 777-81
Related Report
Peer Reviewed
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