| Budget Amount *help |
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2016: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2015: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2014: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
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| Outline of Final Research Achievements |
We examined skeletal muscle changes of C57BL/6 control mice and angiotensin II receptor 1 knockout mice (AT1aR KO) in young (12 weeks old) and middle aged (12 months old) and old age (24 months old). In control mice, muscle strength was lower in middle aged and older than in younger. On the other hand, in AT1aR KO mice, muscle strength was maintained in middle and old age. Regarding gastrocnemius muscle weight, no significant difference was observed in control and AT1aR KO mouse. It was suggested that although muscle mass difference was not observed, it is possible to prevent muscle weakness by inhibiting the renin / angiotensin system over a long period of time.
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