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

Species: Mouse
Result: present
Method: anterograde tracer
Sign: unknown
Evidence: AAVs encoding bPAC variants and C1ChrimsonSA-tdTomato were stereotaxically delivered to the lateral parabrachial nucleus, and labeled axons and bouton-like puncta were seen in the central amygdala; the terminal puncta overlapped with the presynaptic marker VGLUT2, confirming that parabrachial axons terminate in CeA.
Source: All-optical presynaptic plasticity induction by photoactivated adenylyl cyclase targeted to axon terminals
Cell Reports Methods, 2024
DOI 10.1016/j.crmeth.2024.100740 · PubMed 38521059 · PMC11045876, Figs. 2A–2D, 3A–3C
Licence: CC-BY-NC-ND-4.0
Named in the paper: “lateral parabrachial nucleus (PB)” and “central amygdala (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) agrees, 2026-10-09
“AAV-mediated anterograde labeling from PB showed EYFP-labeled axons and VGLUT2-colocalized boutons in CeA.”
Status: proposed
Drafted and checked by AI models; it stays proposed until people have audited a sample of such claims.