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Cited by 228

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Serotonergic excitatory drive to hypoglossal motoneurons in the decerebrate cat

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Kubin, L., Tojima, H., Davies, R.O., Pack, A.I.·1992·Neuroscience Letters
DOI 10.1016/0304-3940(92)90563-m
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Abstract

In decerebrate, paralyzed, vagotomized and artificially ventilated cats, serotonin (5-HT) and its analogues, microinjected into the hypoglossal (XII) motor nucleus, altered the activity of the genioglossal branch of XII nerve. 5-HT, carboxamidotryptamine maleate (5-CT) and DOI (1-5 mM) increased the activity by over 200%. Methysergide reversed this increase. Methysergide, mianserin, or ketanserin (100-250 nl, 1 mM) reduced the spontaneous hypoglossal activity by 20-50%. Buspirone, 8-OH-DPAT and (-)-propranolol were without effect. Thus, 5-HT provides a substantial tonic excitatory drive to XII motoneurons. The 5-HT receptors involved are likely to be type 1C or 2, but uncertainty regarding the affinity profiles of the drugs used in in vivo conditions in the cat precludes a definite identification.

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Metadata

Authors
Kubin, L., Tojima, H., Davies, R. O., & Pack, A. I.
Venue
Neuroscience Letters
Publisher
Elsevier BV
Published
1992-05
Volume
139
Issue
2
Pages
243-248
ISSN
0304-3940 (ISSN-L)
DOI
10.1016/0304-3940(92)90563-m
OpenAlex
W2035771827
Cited by
228
References
0
FWCI
1.71
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: Serotonergic excitatory drive to hypoglossal motoneurons in the decerebrate cat. https://app.cochat.ai/papers/10.1016/0304-3940(92)90563-m
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Kubin, L., Tojima, H., Davies, R. O., & Pack, A. I. (1992). Serotonergic excitatory drive to hypoglossal motoneurons in the decerebrate cat. Neuroscience Letters. https://doi.org/10.1016/0304-3940(92)90563-m

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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