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5-HT1 receptor

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The receptor subfamily is coupled to Gi/Go and mediate inhibitory neurotransmission by inhibiting the function of adenylate cyclase and modulating downstream ionic effects. This R-coupling to Gi/Go proteins leads to a reduction in local concentrations of cAMP, proving that 5-HT1 are primarily inhibitory. There is no 5-HT1C receptor, as it was reclassified as the 5-HT2C receptor. For more information, please see the respective main articles of the individual subtypes:

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