How do mPFC CaMKIIα neurons specifically regulate vlPAG GABA neuron activity?

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Description

While the study identifies that mPFC CaMKIIα neurons control vlPAG GABA neurons, the synaptic and circuit mechanisms of this control remain undefined. This gap limits understanding of how cortical areas modulate brainstem pain circuits.

Gap type: unexplained_observation Source paper: Sexually dimorphic cannabinoid 1 receptors on CaMKIIα neurons in the medial prefrontal cortex mediate sex differences in ACEA-induced antinociception in mice. (2026, Pain, PMID:41380094)

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