Summary
The localization of somatostatin-like immunore-activity (SOM-LI) was examined in human lumbar sympathetic ganglia using the peroxidase-antiperoxidase method. Few of the principal neurons showed immunolabelling for somatostatin and sparse networks of nerve terminals were unevenly associated with ganglion cells. Using light microscopy, the most intense SOM-LI was seen in the perinuclear zone of the neurons. Electron-microscopically, the staining was localized on the membranes of the Golgi apparatuses. In the nerve terminals, SOM-LI was seen inside the small vesicles (40–60 nm diameter). All neurons with SOM-LI were also found to be tyrosine-hydroxylase immunoreactive when excamined with a double-staining technique. These results provide evidence that somatostatin and noradrenaline co-exist in human sympathetic neurons.
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Järvi, R., Pelto-Huikko, M., Helen, P. et al. Somatostatin-like immunoreactivity in human sympathetic ganglia. Cell Tissue Res. 249, 1–5 (1987). https://doi.org/10.1007/BF00215411
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DOI: https://doi.org/10.1007/BF00215411