| Budget Amount *help |
¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2015: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2014: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
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| Outline of Final Research Achievements |
Peridontal diseases are chronic oral bacterial infectious diseases which indicate inflammation of periodontal tissues, alveolar bone loss, and, leading to loss of tooth. In this research, Porphyromonas gingivalis, which is one of the most major oral pathogens, produces cysteine proteases called as gingipains. The gingipains attenuate PI3 kinase/Akt signaling pathway, and Akt downstream proteins, which are mTOR, GSK3, Bad, PRAS40, and MDM2, are also altered the their level of phosphorylation by gingipains in gingival epithelial cells. Taken together, their activity is disturbed by gingipains in parallel with inactivation of PI3K/Akt.
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