| Budget Amount *help |
¥14,430,000 (Direct Cost: ¥11,100,000、Indirect Cost: ¥3,330,000)
Fiscal Year 2013: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2012: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Fiscal Year 2011: ¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2010: ¥5,980,000 (Direct Cost: ¥4,600,000、Indirect Cost: ¥1,380,000)
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| Research Abstract |
In this project, polyglycerol dendrimers (PGDs) were focused as a candidate of protein stabilizers aiming at creation of new polymeric scaffolds bearing growth factor stabilization. Thermal denatulation of alcohol dehydrogenase (ADH), as a model protein, was found to be prevented in the presence of PGDs, suggesting that the PGDs act as a stabilizer of proteins. This effect was due to modulation of water structure, which was clarified by NMR studies. In addition, PGDs could interact with basic amino acids, which was investigated by isothermal titration calorimetric studies, and biological activity of basic fibroblast growth factor (bFGF) was apparently preserved by the addition of PGDs. Therefore, PGDs are feasible to use as a protein stabilizer, and can be applicable as a polymeric scaffold bearing growth factor stabilization.
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