Hypophyseal Portal Blood Collection for Analysis of GnRH Neurosecretion in Shiba Goats

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概要

• 論文の詳細を見る

• Sequential sampling of hypophyseal portal blood was performed in the Shiba goat. The technique for portal blood collection originally developed for sheep was adapted with some modification. Portal blood was withdrawn by lesioning a part of the pituitary portal vessels via a collection apparatus placed beforehand at the rostral surface of the anterior pituitary gland. In four ovariectomized goats, portal blood was collected successively at 5 min intervals for several hours to examine the neurosecretory dynamics of hypothalamic GnRH. A pulsatile pattern of GnRH discharge into the pituitary portal circulation was clearly observed. Mean ± SD inter-pulse intervals in each of the 4 animals were 29.0 ± 2.0 min, 38.8 ± 2.2 min, 29.3 ± 1.7 min and 23.9 ± 2.1 min. Each GnRH pulse was associated with an LH pulse, and temporal correlation between the GnRH and LH pulses was consistent despite differing pulse frequencies among individual animals. Thus the technique for continuous pituitary portal blood collection from conscious goat has become available.

• 日本繁殖生物学会の論文
• 1997-02-01

著者

• MORI Yuji

  Laboratory of Veterinary Ethology, The University of Tokyo

• TAKEUCHI Yukari

  Laboratory of Veterinary Ethology, The University of Tokyo

• Mori Y

  Laboratory Of Veterinary Ethology The University Of Tokyo

• KAMOMAE Hideo

  Laboratory of Veterinary Reproduction, Tokyo University of Agriculture and Technology

• Mori Yuji

  Univ. Tokyo Tokyo Jpn

• Mori Yuji

  Laboratory Of Veterinary Ethology The University Of Tokyo

• Tanaka Tomomi

  Laboratory Of Veterinary Reproduction Tokyo University Of Agriculture And Technology

• Tanaka T

  Department Of Veterinary Medicine Tokyo University Of Agriculture And Technology

• Kamomae Hideo

  Laboratory Of Veterinary Reproduction Tokyo University Of Agriculture And Technology

• OHGATA Natsuki

  Laboratory of Veterinary Reproduction, Tokyo University of Agriculture and Technology, Saiwai-cho 3-

• KARSCH Fred

  Reproductive Science Program, The University of Michigan, U. S. A.

• Karsch Fred

  Reproductive Science Program The University Of Michigan

• Ohgata Natsuki

  Laboratory Of Veterinary Reproduction Tokyo University Of Agriculture And Technology

• Takeuchi Yukari

  Laboratory Of Veterinary Ethology The University Of Tokyo

• Tanaka T

  Lab. Of Veterinary Reproduction Tokyo Univ. Of Agriculture And Technol.

• Mori Yuji

  Laboratory Of Veterinary Ethology Animal Resource Science The University Of Tokyo

• Mori Yuji

  Laboratory of Physical Chemistry Tokyo Institute of Technology

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