Biosynthesis of melanotropins and endorphins by the lead hematoxylin positive cells in pars intermedia of the cichlid teleost sarotherodon mossambicus

Van Eys, G.J.J.M.; Lowik, C.W.G.M.; Cruijsen, P.M.J.M.; Wendelaar Bonga, S.E.

Comparative Biochemistry and Physiology B 77(1): 135-142


ISSN/ISBN: 1096-4959
Accession: 004843136

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Biosynthesis in the Pb-hematoxylin positive pars intermedia cells of S. mossambicus was analyzed by SDS -precursor was processed into a number of smaller products. Melanotropic and endorphin-like peptides appeared to be the final products of this precursor-product processing. Results indicate that the biosynthetic pathways in the Pb-hematoxylin positive cells in the teleost pars intermedia are similar to those described for pars intermedia cells in other vertebrate groups.