Thyroid hormones in growth and development of fish

The thyroid hormones, thyroxine and triiodothyronine are products of the thyroid gland in all vertebrates

D.M Power; L Llewellyn; M Faustino; M.A Nowell; B.Th Björnsson; I.E Einarsdottir; A.V.M Canario; G.E Sweeney

2002

Scholarcy highlights

  • The thyroid hormones, thyroxine and triiodothyronine are products of the thyroid gland in all vertebrates
  • Their role in early development and metamorphosis is well established in mammals and amphibians, respectively, and recently several studies in fish have highlighted the importance of THs during flatfish metamorphosis
  • THs are present in high quantities in fish eggs and are presumably of maternal origin
  • Thyroid hormone receptors have been isolated from several teleosts and in common with tetrapods two receptor isoforms have been identified, TRα and TRβ. Both the receptors are expressed in early embryos and larvae of the Japanese flounder, zebrafish and seabream a different temporal pattern is apparent
  • This paper was originally presented at a symposium dedicated to the memory of Marcel Florkin, held within the ESCPB 21st International Congress, Liège, Belgium, July 24–28, 2000

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