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Tyrosine hydroxylase expression in the preoptic area is regulated by a positive gonadal feedback in rainbow trout
Vétillard, A.; Bailhache, T.; Linard, B.; Saligaut, C.; Kah, O.; Jégo, P. (2000). Tyrosine hydroxylase expression in the preoptic area is regulated by a positive gonadal feedback in rainbow trout, 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. 61
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 
  • Vétillard, A.
  • Bailhache, T.
  • Linard, B.
  • Saligaut, C.
  • Kah, O.
  • Jégo, P.
Abstract
    This study was designed to investigate a possible gonadal feedback on TH expression. TH mRNA levels were quantified in the NPOav by in situ hybridization and appeared to be greatly decreased by gonadectomy. Part of this effect has been reversed by estradiol supplementation. A similar effect has been observed on estradiol receptor mRNA levels in the same area. These results suggest that Tyrosine Hydroxylase expression in the preoptic area is regulated by a positive gonadal feedback in the Rainbow trout.
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