Effects of seawater and freshwater challenges on the Gh/Igf system in the saline-tolerant blackchin tilapia (Sarotherodon melanotheron)

Link, Karl; Shved, Natallia; Serrano, Nabil; Akgül, Gülfirde; Caelers, Antje; Faass, Oliver; Mouttet, Farouhar; Raabe, Oksana; D'Cotta, Helena; Baroiller, Jean-François; Eppler, Elisabeth

doi:10.5167/uzh-222783

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Link, K., Shved, N., Serrano, N., Akgül, G., Caelers, A., Faass, O., Mouttet, F., Raabe, O., D’Cotta, H., Baroiller, J.-F., & Eppler, E. (2022). Effects of seawater and freshwater challenges on the Gh/Igf system in the saline-tolerant blackchin tilapia (Sarotherodon melanotheron). Frontiers in Endocrinology, 13, 976488. https://doi.org/10.3389/fendo.2022.976488

Abstract

Prolactin (Prl) and growth hormone (Gh) as well as insulin-like growth factor 1 (Igf1) are involved in the physiological adaptation of fish to varying salinities. The Igfs have been also ascribed other physiological roles during development, growth, reproduction and immune regulation. However, the main emphasis in the investigation of osmoregulatory responses has been the endocrine, liver-derived Igf1 route and local regulation within the liver and osmoregulatory organs. Few studies have focused on the impact of salinity alterations o