| Budget Amount *help |
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2015: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2014: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2013: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
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| Outline of Final Research Achievements |
Topological analysis of the rat renal efferent nerve ganglia were observed by a specific neuronal tracing method with micro-capsule which introduce the fluoro-gold (FG) retrogradely into the renal nerve plexus. As the results, FG-labeled cells were observed to the sympathetic chain ganglia T10 to L1 and prevertebral suprarenal ganglia (SrG) while no labeled cells were observed to the parasympathetic motor nuclei. Tracer injection of FG into the cranial- or caudal-segment of the kidney was shown that the SrG neurons and T13 chain neurons may particularly innervate into the cranial- and caudal-segment, respectively. Novel renal ischemia/reperfusion model of rats which is preserved the renal nerves represented increasing in renal tyrosine hydroxylase immuno-reactivity but no apparent changes in the receptor expression. These indicate the hyper-activation of renal sympathetic nerves in this model and useful to investigate the effects of sympathetic activity in the renal I/R injury.
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