2015 Fiscal Year Final Research Report
Biologic elucidation of memory deficits by tooth loss
| Project/Area Number |
26861641
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Multi-year Fund |
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| Research Field |
Prosthodontics/ Dental materials science and
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| Research Institution | Hiroshima University |
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Principal Investigator |
Oue Hiroshi 広島大学, 医歯薬保健学研究院(歯), 助教 (70711307)
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| Project Period (FY) |
2014-04-01 – 2016-03-31
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| Keywords | 歯の喪失 |
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| Outline of Final Research Achievements |
Twenty eight-weeks-old C57BL/6J mice were divided into molar extracted group and molar intact group. We fed the mice either solid or powder. To analyze the memory ability, the step-through passive avoidance test was conducted. BDNF-related mRNA in the hippocampus was analyzed by real-time polymerase chain reaction (RT-PCR). Molar loss group showed memory impairment, and the effect of molar loss on mRNA level were observed. The effect of powder diet on memory ability and mRNA level were not observed.
These results suggested that the maintenance of teeth and mastication might be important for prevention of cognitive impairment.
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| Free Research Field |
歯科補綴学
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