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August 21, 2025Journal of NeuroendocrinologyOpen Access

Corticotropin‐releasing factor type 1 receptors in the rat nodose ganglion are involved in the transduction of stress‐induced visceral sensory signals to the brain

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Authors

AMAsuka Mano‐OtagiriNippon Medical SchoolTSTamotsu ShibasakiNippon Medical SchoolASAtsushi SakaiNippon Medical School

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Overview

Observational analysis evaluates visceral sensory signal transduction in rats, suggesting CRF involvement in stress response.

Key Points

  • Activation of CRF type 1 receptors is crucial for transmitting stress-induced visceral sensory signals to the brain, indicating their key role.
  • CRF administration increased pCREB expression while vagotomy diminished CRF 1-positive cells, showcasing a dynamic interaction.
  • Characterization of CRF 1-like immunoreactivity was conducted in the nodose ganglion, focusing on vagal nerve functions.
  • These findings highlight the relevance of the CRF/CRF 1 system in understanding stress-related gut-brain communication, warranting further investigation.

Cite This Study

Mano‐Otagiri et al. (2025) studied this question.

synapsesocial.com/papers/68af5407ad7bf08b1eadabddhttps://doi.org/10.1111/jne.70082
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  1. 1Identification of bladder and colon afferents in the nodose ganglia of male rats2014 · 54 citations
  2. 2Transport and Localization of the DEG/ENaC Ion Channel BNaC1α to Peripheral Mechanosensory Terminals of Dorsal Root Ganglia Neurons2001 · 243 citations
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  4. 4Cortagine, a CRF 1 agonist, induces stresslike alterations of colonic function and visceral hypersensitivity in rodents primarily through peripheral pathways2009 · 129 citations