Abstract
A possible involvement of enkephalin-like substances in the control of gonadal activities has been suggested in vertebrates. Recently, proopiomelanocortin-related peptides have been detected in the gonads of amphibians and teleosts living in temperate waters. The aim of this study was to look for enkephalin-like peptides in the ovary and in the testis of the icefish Chionodraco hamatus. Our results confirmed the presence of enkephalinergic systems in the gonads of Antarctic notothenioid fishes.
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A preliminary account of this work was presented to the XII International Congress of Comparative Endocrinology, 16–21 May 1993, Toronto, Canada (Pestarino et al. 1983b)
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Pestarino, M., Mandich, A. & Massari, A. Evidence for enkephalin-like antigenic determinants in the gonads of the icefish Chionodraco hamatus . Polar Biol 15, 125–130 (1995). https://doi.org/10.1007/BF00241050
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DOI: https://doi.org/10.1007/BF00241050