Neuropeptide Created 2026-10-25 Updated 2026-11-05
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A neuropeptide is a peptide used for signaling by neurons. A neuropeptide can act through a receptor to alter the excitability or responsiveness of a target, often contributing to neuromodulation.
One neuron can release a neuropeptide together with another neurotransmitter, an example of co-transmission. Identifying the cell by one signal therefore does not mean an experimental manipulation changes only that molecule's action.
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