Evidence presented in this review indicates that the GH/IGF-I axis has a role in seawater acclimation, and that GH, IGF-I and cortisol interact positively to promote salt secretion and the underlying
2006
Key concepts
Scholarcy highlights
- In this paper I will review recent evidence for the hormones involved in development and differentiation of transport epithelia that control the ability of teleost fish to move between fresh water and seawater
- Cortisol has long been known to play an important role in seawater acclimation of teleost fishes
- Evidence presented in this review indicates that the GH/IGF-I axis has a role in seawater acclimation, and that GH, IGF-I and cortisol interact positively to promote salt secretion and the underlying physiological processes
- Prolactin has a well-established role in ion uptake and inhibition of salt secretion
- This review has presented evidence that there are many common features to the endocrine control of osmoregulation in teleost fish
- Most of the regulatory actions described above have examined seawater-adapted fish, and there is relatively little information on rapid stimulation of transport epithelia involved in net ion uptake in fresh water
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