Effects of some steroids and other compounds on ovarian growth of the red swamp crayfish, Procambarus clarkii, during early vitellogenesis

The effects of spiperone, a dopaminergic receptor blocker, the terpenoid JHIII, and the steroids 17α-hydroxyprogesterone and 17β-estradiol (10-7 mol/crayfish) were assayed in vivo on females of the red swamp crayfish, Procambarus clarkii, during early vitellogenesis. All these compounds were injecte...

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Autores principales:	Rodriguez, Enrique Marcelo, Medesani, Daniel Alberto, López G., Laura Susana
Publicado:	2002
Materias:	dopamine receptor blocking agent estradiol hydroxyprogesterone juvenile hormone iii sesquiterpene spiperone animal article Astacoidea drug effect female growth, development and aging molting oocyte ovary physiology ultrastructure vitellogenesis 17-Hydroxyprogesterone Animal Dopamine Antagonists Estradiol Female Molting Oocytes Ovary Sesquiterpenes Spiperone Support, Non-U.S. Gov't Vitellogenesis Procambarus clarkii
Acceso en línea:	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0022104X_v292_n1_p82_Rodriguez http://hdl.handle.net/20.500.12110/paper_0022104X_v292_n1_p82_Rodriguez
Aporte de:	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

id	paper:paper_0022104X_v292_n1_p82_Rodriguez
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spelling	paper:paper_0022104X_v292_n1_p82_Rodriguez2023-06-08T14:45:50Z Effects of some steroids and other compounds on ovarian growth of the red swamp crayfish, Procambarus clarkii, during early vitellogenesis Rodriguez, Enrique Marcelo Medesani, Daniel Alberto López G., Laura Susana dopamine receptor blocking agent estradiol hydroxyprogesterone juvenile hormone iii sesquiterpene spiperone animal article Astacoidea drug effect female growth, development and aging molting oocyte ovary physiology ultrastructure vitellogenesis 17-Hydroxyprogesterone Animal Astacoidea Dopamine Antagonists Estradiol Female Molting Oocytes Ovary Sesquiterpenes Spiperone Support, Non-U.S. Gov't Vitellogenesis Astacoidea Procambarus clarkii The effects of spiperone, a dopaminergic receptor blocker, the terpenoid JHIII, and the steroids 17α-hydroxyprogesterone and 17β-estradiol (10-7 mol/crayfish) were assayed in vivo on females of the red swamp crayfish, Procambarus clarkii, during early vitellogenesis. All these compounds were injected twice a week for 3 weeks. The rate of molting in response to these compounds was also determined. At the end of the experiment the ovaries were dissected out, in order to determine the gonadosomatic indexes and oocyte diameters. Spiperone, 17α-hydroxyprogesterone, and 17β-estradiol produced a significant increase in the gonadosomatic index, while only the first two compounds were able to significantly increase the oocyte diameter; therefore, the effect of 17β-estradiol the on gonadosomatic index could be merely due to increased water uptake by the ovary. Spiperone could be causing a decrease in secretion of the gonad and/or mandibular inhibiting hormones from the eyestalks, and 17α-hydroxyprogesterone could be having a direct stimulatory effect on vitellogenin production. Concerning molting, of the compound tested, only JHIII had a significant (P < 0.05) stimulatory effect, producing a 100% molting rate versus 66.7% among the controls. © 2002 Wiley-Liss, Inc. Fil:Rodríguez, E.M. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Medesani, D.A. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:López Greco, L.S. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 2002 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0022104X_v292_n1_p82_Rodriguez http://hdl.handle.net/20.500.12110/paper_0022104X_v292_n1_p82_Rodriguez
institution	Universidad de Buenos Aires
institution_str	I-28
repository_str	R-134
collection	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic	dopamine receptor blocking agent estradiol hydroxyprogesterone juvenile hormone iii sesquiterpene spiperone animal article Astacoidea drug effect female growth, development and aging molting oocyte ovary physiology ultrastructure vitellogenesis 17-Hydroxyprogesterone Animal Astacoidea Dopamine Antagonists Estradiol Female Molting Oocytes Ovary Sesquiterpenes Spiperone Support, Non-U.S. Gov't Vitellogenesis Astacoidea Procambarus clarkii
spellingShingle	dopamine receptor blocking agent estradiol hydroxyprogesterone juvenile hormone iii sesquiterpene spiperone animal article Astacoidea drug effect female growth, development and aging molting oocyte ovary physiology ultrastructure vitellogenesis 17-Hydroxyprogesterone Animal Astacoidea Dopamine Antagonists Estradiol Female Molting Oocytes Ovary Sesquiterpenes Spiperone Support, Non-U.S. Gov't Vitellogenesis Astacoidea Procambarus clarkii Rodriguez, Enrique Marcelo Medesani, Daniel Alberto López G., Laura Susana Effects of some steroids and other compounds on ovarian growth of the red swamp crayfish, Procambarus clarkii, during early vitellogenesis
topic_facet	dopamine receptor blocking agent estradiol hydroxyprogesterone juvenile hormone iii sesquiterpene spiperone animal article Astacoidea drug effect female growth, development and aging molting oocyte ovary physiology ultrastructure vitellogenesis 17-Hydroxyprogesterone Animal Astacoidea Dopamine Antagonists Estradiol Female Molting Oocytes Ovary Sesquiterpenes Spiperone Support, Non-U.S. Gov't Vitellogenesis Astacoidea Procambarus clarkii
description	The effects of spiperone, a dopaminergic receptor blocker, the terpenoid JHIII, and the steroids 17α-hydroxyprogesterone and 17β-estradiol (10-7 mol/crayfish) were assayed in vivo on females of the red swamp crayfish, Procambarus clarkii, during early vitellogenesis. All these compounds were injected twice a week for 3 weeks. The rate of molting in response to these compounds was also determined. At the end of the experiment the ovaries were dissected out, in order to determine the gonadosomatic indexes and oocyte diameters. Spiperone, 17α-hydroxyprogesterone, and 17β-estradiol produced a significant increase in the gonadosomatic index, while only the first two compounds were able to significantly increase the oocyte diameter; therefore, the effect of 17β-estradiol the on gonadosomatic index could be merely due to increased water uptake by the ovary. Spiperone could be causing a decrease in secretion of the gonad and/or mandibular inhibiting hormones from the eyestalks, and 17α-hydroxyprogesterone could be having a direct stimulatory effect on vitellogenin production. Concerning molting, of the compound tested, only JHIII had a significant (P < 0.05) stimulatory effect, producing a 100% molting rate versus 66.7% among the controls. © 2002 Wiley-Liss, Inc.
author	Rodriguez, Enrique Marcelo Medesani, Daniel Alberto López G., Laura Susana
author_facet	Rodriguez, Enrique Marcelo Medesani, Daniel Alberto López G., Laura Susana
author_sort	Rodriguez, Enrique Marcelo
title	Effects of some steroids and other compounds on ovarian growth of the red swamp crayfish, Procambarus clarkii, during early vitellogenesis
title_short	Effects of some steroids and other compounds on ovarian growth of the red swamp crayfish, Procambarus clarkii, during early vitellogenesis
title_full	Effects of some steroids and other compounds on ovarian growth of the red swamp crayfish, Procambarus clarkii, during early vitellogenesis
title_fullStr	Effects of some steroids and other compounds on ovarian growth of the red swamp crayfish, Procambarus clarkii, during early vitellogenesis
title_full_unstemmed	Effects of some steroids and other compounds on ovarian growth of the red swamp crayfish, Procambarus clarkii, during early vitellogenesis
title_sort	effects of some steroids and other compounds on ovarian growth of the red swamp crayfish, procambarus clarkii, during early vitellogenesis
publishDate	2002
url	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0022104X_v292_n1_p82_Rodriguez http://hdl.handle.net/20.500.12110/paper_0022104X_v292_n1_p82_Rodriguez
work_keys_str_mv	AT rodriguezenriquemarcelo effectsofsomesteroidsandothercompoundsonovariangrowthoftheredswampcrayfishprocambarusclarkiiduringearlyvitellogenesis AT medesanidanielalberto effectsofsomesteroidsandothercompoundsonovariangrowthoftheredswampcrayfishprocambarusclarkiiduringearlyvitellogenesis AT lopezglaurasusana effectsofsomesteroidsandothercompoundsonovariangrowthoftheredswampcrayfishprocambarusclarkiiduringearlyvitellogenesis
_version_	1768542631243022336

Effects of some steroids and other compounds on ovarian growth of the red swamp crayfish, Procambarus clarkii, during early vitellogenesis

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