ArticleCell and tissue research1991
Studies on colocalization of neuropeptide Y, vasoactive intestinal polypeptide, catecholamine-synthesizing enzymes and acetylcholinesterase in the larynx of the rat.
Article in Cell and tissue research, 1991. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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1 citing paper in PubMed, 29 citations in OpenAlex.
- Irradiation influences the expression of substance P and enkephalin in the rat larynx.Cell and tissue research · 1995Article
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3 authors at 1 institution in 1 country.
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Abstract
In the present immunohistochemical study, the distribution of nerve fibers containing neuropeptide Y (NPY) and vasoactive intestinal polypeptide (VIP) in the larynx was examined and compared with that of fibers containing tyrosine hydroxylase (TH) and dopamine beta-hydroxylase (DBH), and with that of acetylcholinesterase (AChE)-positive nerve fibers, in intact and vagotomized rats and in rats subjected to removal of the superior cervical ganglion (SCG). Fibers showing TH/DBH-like immunoreactivity (LI) were only found in the walls of arteries and arterioles, whereas AChE-positive nerve fibers were located close to the acini and ducts of the glands, in blood vessel walls, in the perichondrium and in the lamina propria. NPY-LI and VIP-LI coexisted in local AChE-positive ganglionic cells and in a subpopulation of the AChE-positive fibers, NPY-LI also being present in some periarterial fibers showing TH/DBH-LI. Unilateral removal of the SCG eliminated the TH/DBH-innervation in the upper but not the lower parts of the larynx ipsilaterally, whereas the NPY-innervation of the arteries in the upper parts only partly disappeared and the NPY-innervation of the other structures remained unchanged. The distribution of VIP-innervation was unchanged after vagotomy and removal of the SCG. The results suggest that VIP is present in the postganglionic parasympathetic innervation, whereas NPY is present in both the postganglionic parasympathetic and sympathetic innervation of the rat larynx.
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