| Budget Amount *help |
¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2017: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2016: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
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| Outline of Final Research Achievements |
Saliva amylase is used as a stress marker, however it is secreted by various taste stimulations without stress, therefore we have a doubt in amylase as a stress marker. I investigated a new diagnostic method using the microRNA of salivary gland and saliva as a stress marker exchange from amylase. It is known that antistress hormone increased when a hypothalamus recognized stress. When mice were administrated to make essential condition of stress, microRNA(miR-141, 21a, 29b) of the salivary gland increased. These three microRNA did not change for the transient strain of the sympathetic nerve by epinephrine administration. Thus, these microRNAs become a marker of the essential stress when the organization collection such as biopsies is possible. On the other hand, it was very difficult to make a diagnosis of stress using the microRNA of saliva of the mouse and Homo sapiens, because of big standard deviation.
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