| Budget Amount *help |
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2012: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2011: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2010: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2009: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
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| Research Abstract |
In this study, we examined a role of monoamines (noradrenaline (NA) and dopamine (DA)) and secretin on the synaptic transmission using rat cerebellum. 1) Pharmacological study revealed that presynaptic α2-adrenergic (α2-AR) and D2-like receptors (D2R) were activated by both NA and DA. Therefore, it is thought that cross-talk between these receptors play a role of sharing the modulatory action involving distinct monoaminergic controls in the cerebellum. 2) It is well known that neuropeptide secretin increases GABA release involving an activation of cAMP-PKA signal cascade onto inhibitory synapses at the cerebellar cortex. We found that new form of synaptic modulation involving the activation ofPLC-IP3 signal pathway at GABAergic synaptic terminals.
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