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  • Articles: DFG German National Licenses  (2)
  • Arcuate nucleus  (1)
  • Calcitionin gene-related peptide  (1)
  • 1
    ISSN: 1432-1106
    Keywords: Enkephalin ; Projection ; Medial preoptic area ; Arcuate nucleus ; Immunocytochemistry ; Double-staining method
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary We studied the distribution of fibers with leucine-enkephalin — like immunoreactivity (L-ENKI) in the medial preoptic area (MPO) of the rat, and the origins of such fibers, using indirect immunofluorescence and a combination of a retrograde tracer with immunocytochemistry that we have developed. These fibers were very dense throughout the rostro-caudal part of the MPO. The distribution was uneven with the highest density in the lateral part. Destruction of the arcuate nucleus, which contains a group of L-ENKI neurons, resulted in the marked reduction of these fibers in the ipsilateral MPO, suggesting that most of these fibers originate in this nucleus. This was also suggested by the fact that injection of biotin-wheat germ agglutinin into the MPO labelled many neurons in the arcuate nucleus ipsilaterally. Simultaneous staining with antiserum showed that some of these neurons are L-ENKI.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-1106
    Keywords: Neurotensin projection ; Lateral parabrachial nucleus ; Central amygdaloid nucleus ; Coexistence ; Calcitionin gene-related peptide ; Immunocytochemistry ; Double-staining method
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The origin of neurotensin-like immunoreactive (NTI) fibers in the central amygdaloid nucleus (AC) in the rat was examined using indirect immunofluorescence and retrograde tracing combined with immunocytochemistry. Destruction of the external subdivision of the lateral parabrachial nucleus, which contains a group of NTI neurons, resulted in a marked reduction of these fibers in the ipsilateral AC, which suggests that most of these fibers are of extrinsic origin. This was also supported by the finding that injection of fast blue dye into the AC labeled many neurons in the external subdivision of the lateral parabrachial nucleus ipsilaterally, and that simultaneous treatment with antiserum against NT stained some of these neurons. Subsequent immunohistochemical staining of alternate sections revealed that many of these NTI neurons were also labeled by calcitonin gene-related peptide antiserum.
    Type of Medium: Electronic Resource
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