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Tyrosine-hydroxylase, dopamine β-hydroxylase and choline acetyltransferase-like immunoreactive fibres in the human major sublingual gland

Journal article
Authors F. Loy
M. P. Serra
M. Boi
R. Isola
Jörgen Ekström
M. Quartu
Published in Archives of Oral Biology
Volume 109
ISSN 0003-9969
Publication year 2020
Published at Institute of Neuroscience and Physiology, Department of Pharmacology
Language en
Subject categories Pharmacology and Toxicology, Dentistry


Objective: To study the innervation of the major sublingual gland by means of immunohistochemistry. Design: Bioptic and autoptic specimens of the major sublingual gland of humans were examined for the presence of immunoreactivity to tyrosine hydroxylase and dopamine-β-hydroxylase, on one hand, and choline acetyltransferase, on the other, to indicate adrenergic and cholinergic nerves, respectively. Results: Acini and ducts were supplied by both divisions of the autonomic nervous system. Conclusions: Mucous and seromucous cells of the human major sublingual glands may respond with secretion not only to parasympathetic activity but also to sympathetic activity. The major sublingual gland is therefore a potential contributor to the mucin secretion recently reported in the literature in response to high sympathetic activity during physical exercise. © 2019 Elsevier Ltd

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