References of "Wendelaar-Bonga, S E"
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See detailCalcitropic effect of recombinant prolactins in Oreochromis mossambicus
Flik, G.; Rentier-Delrue, Françoise ULg; Wendelaar-Bonga, S. E.

in The American Physiological Society (1994)

Homologous recombinant tilapia prolactins 1 and 2 were tested for calcitropic activity in tilapia Oreochromis mossambicus. Injection of both PRLs induced hypercalcemia that resulted for an enhanced ... [more ▼]

Homologous recombinant tilapia prolactins 1 and 2 were tested for calcitropic activity in tilapia Oreochromis mossambicus. Injection of both PRLs induced hypercalcemia that resulted for an enhanced calcium influx via the gills and a decreased calcium efflux. Both PRLs increased the density of the Ca2+-transporting Ca2+-adenosinetriphosphatase in a plasma membrane preparation of the branchial epithelium. Dose-response studies demonstrated that the PRL-1 was roughly twofold more potent than PRL2 in inducing hypercalcemia, in enhacing basal levels of cortisol and in stimulating opercular ionocyte density. But both PRL were equipotent in stimulating the dermal mucocyte frequency. [less ▲]

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Peer Reviewed
See detailHomologous recombinant growth hormone and calcium metabolism in the tilapia oreochromis mossambicus, adapted to freshwater
Flik, G.; Atsma, W.; Fenwick, J. C. et al

in Journal of Experimental Biology (1993)

Homologous recombinant tilapia growth hormoe was tested for its effect on calcium metabolism in freshwater tilapia Oreochromis mossambicus. A comparison of the role of GH and prolactin in calcium ... [more ▼]

Homologous recombinant tilapia growth hormoe was tested for its effect on calcium metabolism in freshwater tilapia Oreochromis mossambicus. A comparison of the role of GH and prolactin in calcium regulation of the tilapia led to the conclusion that GH has specific calciopropic effects on freshwater Tilapia that differ from those of prolactin. [less ▲]

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