Distribution of neuropeptides in the porcine stellate ganglion |
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| Authors: | O Häppölä M Lakom M Majewski K Wasowicz N Yanaihara |
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| Institution: | (1) Department of Anatomy and Neurobiological Research Unit, University of Helsinki, Siltavuorenpenger 20A, SF-00170 Helsinki, Finland;(2) Department of Anatomy, Veterinary Faculty, Agriculture and Technology Academy, Olsztyn, Kortowo, Poland;(3) School of Pharmaceutical Sciences, University of Shizuoka, Shizuoka-shi, Japan |
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| Abstract: | The localization and distribution of neuropeptides including neuropeptide Y (NPY), Met5]enkephalin-Arg6-Gly7-Leu8 (MEAGL), vasoactive intestinal polypeptide (VIP), calcitonin gene-related peptide (CGRP), substance P and somatostatin (SOM) were analyzed in the stellate ganglion of the pig by use of the indirect immunofluorescence technique. NPY, MEAGL, SOM, VIP and CGRP immunoreactivities were found to exist in subpopulations of neuronal cell bodies of the stellate ganglion. A population of the small intensely fluorescent (SIF) cells showed MEAGL immunoreactivity. In addition, the presence of NPY-, MEAGL-, CGRP-, SP-, SOM- and VIP-immunoreactive nerve fibers and axonal varicosities were observed in the stellate ganglion. The localization and pattern of distribution of these peptides in the porcine stellate ganglion were compared with studies carried out on stellate ganglia of other mammalian species. |
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| Keywords: | Neuropeptides Stellate ganglion Immunohistochemistry Pig |
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