Distribution of neuropeptide Y immunoreactivity in the forebrain of the rat.
The distribution of neuropeptide Y (NPY) like immunoreactivity was investigated in the forebrain of the rat with immunohistochemical methods. Specificity of the antisera was established by the absence of all immunoreactive staining in tissue incubated in antisera which had been preabsorbed with the pure NPY antigen. NPY containing cells were distributed widely in the forebrain. These included neocortex, basal forebrain, septum, bed nucleus of the stria terminalis, neostratium, hypothalamic arcuate nucleus, and intergeniculate leaflet. This study also demonstrated an extensive network of NPY fibers in various areas of the forebrain such as the prepotic area, the hypothalamus and the paraventricular nucleus of the thalamus. The distribution of avian pancreatic polypeptide and NPY was compared, and the possible importance of NPY is briefly discussed.
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D000818:Animals; D001921:Brain / Q000166:cytology*; D005260:Female; D007124:Immunoenzyme Techniques; D009478:Neuropeptide Y / Q000032:analysis*; D051381:Rats; D011919:Rats, Inbred Strains; D014018:Tissue Distribution
D009478:Neuropeptide Y