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CEA (central amygdaloid nucleus) projects to PB (Parabrachial nucleus)

All claims for this connection
Species
Rat
Result
present
Method
anterograde tracer
Sign
inhibitory
Evidence
Synaptophysin-mRuby terminals from GAD1-positive central amygdala neurons were found on lateral parabrachial cells that were both CaMKIIa-EGFP positive and immunoreactive for prodynorphin; the number of such prodynorphin/EGFP cells contacted by synaptophysin puncta fell after Nrxn3 knockdown in the central amygdala.
Source

Neurexin 3 Regulates Synaptic Connections Between Central Amygdala Neurons and Excitable Cells of the Lateral Parabrachial Nucleus in Rats with Varicella Zoster Induced Orofacial Pain

Journal of Pain Research, 2024

DOI 10.2147/jpr.s441706 · PubMed 38974829 · PMC11227312, Figs. 6D–I

Licence: CC-BY-NC-3.0

Named in the paper
“central amygdala” and “prodynorphin positive neurons within the lateral parabrachial nucleus”
Made by
an AI model reading the paper (claude-opus-5, extract@0.3.0), 2026-10-10
Checked by

a second AI model (claude-opus-5) agrees, 2026-10-10

“The paper's own counts (Fig. 6E, images F–I) show GABAergic central amygdala synaptophysin terminals on prodynorphin/EGFP-positive lateral parabrachial cells, reduced by Nrxn3 knockdown.”

Status

proposed

Drafted and checked by AI models; it stays proposed until people have audited a sample of such claims.