Stimulates igf in lamprey liver sharks tested also

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Unformatted text preview: thans and Chondrichthyeans •  GH gene present in lampreys. Stimulates IGF in lamprey liver. •  Sharks tested also have GH, as do lungfish and several teleosts. IGF activity in sharks has not definitely been linked to GH yet. PRL, GH and SL in Bony Fishes •  PRL important for osmoregulation in freshwater teleosts •  Regulates ion and water movement in gills, kidney, intestine, urinary bladder (vs. swim bladder) and skin •  Stimulates mucus secretion by gills, intestine and skin. Blue discus (Symphysodon aequifasciatus) 2 3/15/13 Bluegill Sunfish (Lepomis macrochirus) 3-spined stickleback (Gasterosteus aculeatus) PRL, GH and SL in Bony Fishes •  Teleost PRLs not very effective in amniote bioassays •  Teleost PRLs all lack N-terminal disulphide bond that is present in sturgeon, lungfishes and tetrapods. •  Teleosts have two PRL genes and two forms of PRL 3 3/15/13 PRL, GH and SL in Bony Fishes •  Teleost GH active in mammals and vice-versa •  Interaction with thyroid hormones...
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