Immunocytochemical identification of hyperglycemic hormone-producing cells in the eyestalk of Carcinus maenas |
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Authors: | Dr. Peter P. Jaros Rainer Keller |
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Affiliation: | (1) Institut für Zoophysiologie der Universität Bonn, Endenicher Allee 11-13, D-5300 Bonn, Germany |
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Abstract: | Summary Antiserum raised in rabbits against extracts of sinus glands from Carcinus and shown by several criteria to contain antibodies directed against the neurosecretory hyperglycemic hormone was used to locate the hormone-producing perikarya in the optic ganglia. By means of the double antibody fluorescence technique, selective staining of the large neurosecretory perikarya of the medulla terminalis ganglionic X-organ (MTGXO) and their axons is obtained. The axon endings of the sinus gland are also stained. None of the other groups of neurosecretory cells in the eyestalk shows fluorescence. Preabsorption of the antiserum with pure hyperglycemic hormone abolishes the fluorescence.Supported by the Deutsche Forschungsgemeinschaft (SFB 87, A 3; Ke 206/2). Thanks are due to E. Schmid (Ulm) for excellent technical assistance and to Prof. R. Martin and E. Weber for help and suggestions. A short version of parts of the results has been presented at theXth Conference of European Comparative Endocrinologists, Sorrento, May 1979 |
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Keywords: | Neurosecretion Immunofluorescence Crustacea X-organ Hyperglycemic Hormone |
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