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The effect of somatostatins srif 14 25 and 28 galanin and anti srif on plasma growth hormone levels in coho salmon oncorhynchus kisutch walbaum

The effect of somatostatins srif 14 25 and 28 galanin and anti srif on plasma growth hormone levels in coho salmon oncorhynchus kisutch walbaum

Journal of Fish Biology 40(6): 887-893

Porcine galanin, somatostatins (SRIF-25 and SRIF-28) and invariant SRIF-14, known to have inhibitory-stimulatory actions on growth hormone (GH) secretion in higher vertebrates, were tested for their ability to affect plasma GH levels in coho salmon. Peptides were administered by intraperitoneal injection of 10 or 100 ng g-1 body weight. All three SRIFs decreased plasma GH concentrations, their activity following the order SRIF-14 > SRIF-28 > SRIF-25. Galanin and an anto-SRIF produced pronounced, although transient increases in plasma GH.

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