| Project/Area Number |
20770056
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Single-year Grants |
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| Research Field |
Animal physiology/Animal behavior
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| Research Institution | Hiroshima University |
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Principal Investigator |
UKENA Kazuyohsi Hiroshima University, 大学院・総合科学研究科, 准教授 (10304370)
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| Project Period (FY) |
2008 – 2009
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| Project Status |
Completed (Fiscal Year 2009)
|
| Budget Amount *help |
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2009: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2008: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
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| Keywords | 神経ペプチド / 自律神経調節 / 鳥類 / 生理作用 / 視床下部ホルモン |
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| Research Abstract |
Gonadotropin-inhibitory hormone (GnIH) is a novel avian hypothalamic neuropeptide which plays important roles in the hypothalamo-pituitary gonadal axis. The previous study showed that the most prominent GnIH-immunoreactive fibers were seen in the median eminence of the hypothalamus and in the dorsal motor nucleus of the vagus (DMV) in the medulla oblongata, showing GnIH might participate not only in neuroendocrine functions but also in autonomic functions. In this study, we investigated the neural connections between the paraventricular nucleus in the hypothalamus and the DMV. In addition, the receptor for GnIH was localized in the DMV sending efferent fibers into the visceral tissues.
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