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PB (Parabrachial nucleus) projects to CEA (Central amygdalar nucleus)

Species: Mouse
Result: present
Method: anterograde tracer
Sign: unknown
Evidence: AAV expressing ChR2-Venus injected into the right lateral parabrachial nucleus produced YFP-labelled axons distributed across all central amygdala subdivisions in both SOM-tdTomato and CRH-tdTomato reporter mice.
Source: Spared nerve injury differentially alters parabrachial monosynaptic excitatory inputs to molecularly specific neurons in distinct subregions of the central amygdala
Pain, 2019
DOI 10.1097/j.pain.0000000000001691 · PubMed 31479066 · PMC6940027, Fig. 1H, 1I, 1Q, 1R; Results 3.1
Licence: CC-BY-NC-ND-4.0
Named in the paper: “PBn (lateral parabrachial nucleus)” and “CeA”
Made by: an AI model reading the paper (claude-opus-5, extract@0.3.0), 2026-10-09
Checked by: a second AI model (claude-opus-5-5) agrees, 2026-10-09
“YFP-labelled PBn axons appeared throughout the CeA in both reporter lines after the lateral PBn AAV injection.”
Status: proposed
Drafted and checked by AI models; it stays proposed until people have audited a sample of such claims.