Activated Oxytocin Neurons in the PVN-DVC Pathway in Asthmatic Rats.
asthma
dorsal vagal complex
oxytocin
paraventricular nucleus
pathway
Journal
Frontiers in neuroanatomy
ISSN: 1662-5129
Titre abrégé: Front Neuroanat
Pays: Switzerland
ID NLM: 101477943
Informations de publication
Date de publication:
2020
2020
Historique:
received:
13
04
2020
accepted:
08
07
2020
entrez:
28
8
2020
pubmed:
28
8
2020
medline:
28
8
2020
Statut:
epublish
Résumé
Asthma is a heterogeneous disease, and the central nervous system (CNS) also participates in the pathogenesis of asthma. We previously reported the amygdala might regulate asthmatic attacks via projecting to the paraventricular hypothalamic nucleus (PVN). The dorsal vagal complex (DVC) is a crucial region that modulates respiratory. This study aimed to observe the activity in both PVN and DVC and the connection between PVN and DVC in asthmatic rats. Immunohistochemistry was conducted to observe the changes in Fos and oxytocin (OT) expression. Retrograde tracing using wheat germ agglutinin-horseradish peroxidase (WGA-HRP) and double immunohistochemistry for OT and Fos was used to observe the HRP/OT/Fos positive neurons distribution in the PVN. The results showed that during an asthma attack, the Fos positive neurons increased in both PVN and DVC over time. The expression of OT positive neurons in PVN showed a similar trend in parallel to the c-Fos positive neurons in PVN. The HRP retrograde-labeled neurons were densely distributed in the medial and lateral subnucleus in the PVN. OT
Identifiants
pubmed: 32848637
doi: 10.3389/fnana.2020.00047
pmc: PMC7412887
doi:
Types de publication
Journal Article
Langues
eng
Pagination
47Informations de copyright
Copyright © 2020 Chen, Long, Xiao, Liu and Dong.
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