Mechanisms of ligand-induced desensitization of the 5-hydroxytryptamine(2A) receptor.

  title={Mechanisms of ligand-induced desensitization of the 5-hydroxytryptamine(2A) receptor.},
  author={Nicole R Sullivan Hanley and Julie G. Hensler},
  journal={The Journal of pharmacology and experimental therapeutics},
  volume={300 2},
We have examined the cellular processes underlying the desensitization of the 5-hydroxytryptamine (5-HT)(2A) receptor induced by agonist or antagonist exposure. Treatment of C6 glioma cells with either 5-HT or the 5-HT(2A) receptor antagonist ketanserin resulted in an attenuation in 5-HT(2A) receptor function, specifically the accumulation of inositol phosphates stimulated by the partial agonist quipazine. 5-HT-induced desensitization of the 5-HT(2A) receptor involved receptor internalization… CONTINUE READING


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