| Budget Amount *help |
¥24,310,000 (Direct Cost: ¥18,700,000、Indirect Cost: ¥5,610,000)
Fiscal Year 2018: ¥6,500,000 (Direct Cost: ¥5,000,000、Indirect Cost: ¥1,500,000)
Fiscal Year 2017: ¥7,280,000 (Direct Cost: ¥5,600,000、Indirect Cost: ¥1,680,000)
Fiscal Year 2016: ¥10,530,000 (Direct Cost: ¥8,100,000、Indirect Cost: ¥2,430,000)
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| Outline of Final Research Achievements |
In mammalian retinas, there are three photoreceptors: rods, cones and melanopsin-expressing retinal ganglion cells. Rods and cones are responsible for image forming vision. In contrast, melanopsin-expressing retinal ganglion cells contribute to non-image forming visions, such as circadian photoentrainment and pupil constriction. Melanopsin is a GPCR which can be activated by 460-480 nm light, and its light response properties are different from those of rods and cones. We had revealed phosphorylation of and Arrestin binding to the C-terminus cytosolic region of melanopsin is responsible for the shut-off mechanism after light pulse.
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