CEA corticotropin-releasing hormone-expressing neurons synapses onto PGRNl (Paragigantocellular reticular nucleus, lateral part)

Cre-dependent helper AAVs plus a Dbh-Cre virus were placed in the LPGi and then pseudotyped, glycoprotein-deleted rabies virus was injected at the same site; retrogradely labelled starter-connected neurons appeared in the CeM, and most of these labelled CeM cells were immunopositive for CRH, indicating a direct monosynaptic input from CeM CRH cells onto LPGi catecholaminergic neurons.

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