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Gonadotropin-releasing activities in striped bass (Morone saxatilis) of the three native forms of gonadotropin-releasing hormone (GnRH) and of novel agonists
Mylonas, C.; Blaise, O.; Gothilf, Y.; Steven, C.; Alok, D.; Zohar, Y. (2000). Gonadotropin-releasing activities in striped bass (Morone saxatilis) of the three native forms of gonadotropin-releasing hormone (GnRH) and of novel agonists, in: Norberg, B. et al. (Ed.) Proceedings of the 6th International Symposium on the Reproductive Physiology of Fish, Bergen, Norway, July 4-9, 1999. pp. 451
In: Norberg, B. et al. (2000). Proceedings of the 6th International Symposium on the Reproductive Physiology of Fish, Bergen, Norway, July 4-9, 1999. International Symposium on the Reproductive Physiology of Fish, 6. Department of Fisheries and Marine Biology, University of Bergen: Bergen. ISBN 82-7461-048-2. 499 pp., more
In: International Symposium on the Reproductive Physiology of Fish. Museo Nacional de Ciencias Naturales. , more
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Keyword
    Marine/Coastal
Authors  Top 
  • Mylonas, C.
  • Blaise, O.
  • Gothilf, Y.
  • Steven, C.
  • Alok, D.
  • Zohar, Y.
Abstract
    The luteinizing hormone (LH)-releasing activities of the three native forms of gonadotropin-releasing hormone (GnRH) identified in striped bass, and of novel synthetic agonists (GnRHa) were evaluated during vitellogenesis. The longer duration of LH stimulation by the chicken (c) GnRH-II suggests that this form is less prone to enzymatic degradation probably because the endogenous peptidases have a higher specificity for the usually more abundant seabream (sb) GnRH. Similarly, of the GnRHas tested, again the GnRHas based on the cGnRH-II had a higher potency than the ones prepared based on the sbGnRH form. None of the novel GnRHas had a higher gonadotropic potency than the commonly used DAla super(6)-mGnRHa.
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