Effects of a Gonadotropin-Releasing Hormone Analog (HOE 766) on Germinal and Interstitial Compartments during the Annual Cycle in the Green Frog : Rana esculenta(Endocrinology)

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概要

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• Seasonal changes, related to treatments carried out using a GnRH-analog (HOE766, GnRHA), germinal and interstitial compartment activites were studied in the frog, Rana esculenta testis. We have investigated on: a) annual variations of mitotic index (MI) of primary spermatogonia (I SPG), b) changes of interstitial area, c) fluctuation of testicular androgen concentration, and d) variations of sperm releasing activity during different periods of the year were also studied. Our results indicate that testes of Rana esculenta show a cycle of responsiveness to GnRHA treatments with respect to androgen production, interstitial growth, I SPG multiplication and spermiation. For each phenomenon considered, the extent of the response is peculiar of the period of the year in which the experiment is carried out.

• 社団法人日本動物学会の論文
• 1992-04-15

著者

• Fasano Silvia

  Dipartimento Di Fisiologia Umana E Funzioni Biologiche Integrate

• Minucci Sergio

  Dipartimento Di Fisiologia Umana E Funzioni Biologiche Integrate

• MATTEO LOREDANA

  Dipartimento di Fisiologia Umana e Funzioni Biologiche Integrate

• PIERANTONI RICCARDO

  Dipartimento di Fisiologia Umana e Funzioni Biologiche Integrate

• D'antonio Mauro

  Dipartimento Di Fisiologia Umana E Funzioni Biologiche Integrate

• Matteo Lorenada

  Dipartimento di Fisiologia Umana e Funzioni Biologiche Integrate

関連論文

• Effects of a Gonadotropin-Releasing Hormone Analog (HOE 766) on Germinal and Interstitial Compartments during the Annual Cycle in the Green Frog : Rana esculenta(Endocrinology)
• The Effects of Testosterone and Estradiol on Mast Cell Number in the Harderian Gland of the Frog, Rana esculenta.

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