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Immunocytochemical localization of neuropeptide Y (NPY) in the human hypothalamus

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Summary

In order to study the distribution of neuropeptide Y-like immunoreactivity in the human hypothalamus, an immunocytochemical localization of this peptide was performed. Using antibodies developed against synthetic porcine neuropeptide Y (NPY), we have been able to localize immunoreactivity in neuronal cell bodies located exclusively in the infundibular nucleus. Immunostained fibers were found in several regions in the hypothalamus with a high concentration in the periventricular areas. Fibers were also found in the neurovascular zone of the median eminence, the pituitary stalk and the posterior pituitary. These results suggest that immunoreactive material related to porcine NPY is present in the human hypothalamus, with a distribution similar to that observed in the rat.

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Authors and Affiliations

  1. MRC Group in Molecular Endocrinology, Le Centre Hospitalier de l'Université Laval, Québec, Canada

    G. Pelletier, L. Desy, L. Kerkerian & J. Cote

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  1. G. Pelletier
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  2. L. Desy
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  3. L. Kerkerian
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  4. J. Cote
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Pelletier, G., Desy, L., Kerkerian, L. et al. Immunocytochemical localization of neuropeptide Y (NPY) in the human hypothalamus. Cell Tissue Res. 238, 203–205 (1984). https://doi.org/10.1007/BF00215163

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  • DOI: https://doi.org/10.1007/BF00215163

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