Uncovering the neural control of laryngeal activity and subglottic pressure in anaesthetized rats: insights from mesencephalic regions

To assess the possible interactions between the dorsolateral periaqueductal gray matter (dlPAG) and the different domains of the nucleus ambiguus (nA), we have examined the pattern of double-staining c-Fos/FoxP2 protein immunoreactivity (c-Fos-ir/FoxP2-ir) and tyrosine hydroxylase (TH) throughout th...

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Bibliographic Details
Published in:Pflügers Archiv 2024-08, Vol.476 (8), p.1235-1247
Main Authors: González-García, M., Carrillo-Franco, L., Morales-Luque, C., Ponce-Velasco, M., Gago, B., Dawid-Milner, M. S., López-González, M. V.
Format: Article
Language:English
Subjects:
Animals
Biomedical and Life Sciences
Biomedicine
c-Fos protein
Cell Biology
Electrical stimuli
Foxp2 protein
Human Physiology
Immunoreactivity
Larynx
Molecular Medicine
Neuroscience
Neurosciences
Nucleus ambiguus
Periaqueductal gray area
Physiology
Proteins
Receptors
Respiration
Substantia grisea
Tyrosine 3-monooxygenase
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Summary:To assess the possible interactions between the dorsolateral periaqueductal gray matter (dlPAG) and the different domains of the nucleus ambiguus (nA), we have examined the pattern of double-staining c-Fos/FoxP2 protein immunoreactivity (c-Fos-ir/FoxP2-ir) and tyrosine hydroxylase (TH) throughout the rostrocaudal extent of nA in spontaneously breathing anaesthetised male Sprague–Dawley rats during dlPAG electrical stimulation. Activation of the dlPAG elicited a selective increase in c-Fos-ir with an ipsilateral predominance in the somatas of the loose ( p  
ISSN:0031-6768
1432-2013
1432-2013
DOI:10.1007/s00424-024-02976-3