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Sigma Receptor

Activation of σ–receptors by an agonist ligand may induce hallucinogenic effects and also may be responsible for the paradoxical convulsions sometimes seen in opiate overdose. Drugs known to be σ–agonists include cocaine, morphine/diacetylmorphine, opipramol, PCP, fluoxetine, methamphetamine, dextromethorphan, and the herbal antidepressant berberine. Physiologic effects when the σ–receptor is activated include hypertonia, tachycardia, tachypnea, antitussive effects, and mydriasis. However the exact role of σ–receptors is difficult to establish as many σ–agonists also bind to other targets such as the κ-opioid receptor and the NMDA glutamate receptor. In animal experiments, σ–antagonists such as rimcazole were able to block convulsions from cocaine overdose. σ–antagonists are also under investigation for use as antipsychotic medications.
  • GBR 12909 dihydrochloride EI1174

    GBR 12909 dihydrochloride是选择性 DA uptake inhibitor(摄取抑制剂)。 也是 σ 的配体。

  • Carbetapentane citrate EI0686

    Carbetapentane citrate是高亲和性 σ1 配体。

  • BMY 14802 hydrochloride EI0602

    BMY 14802 hydrochloride是Sigma 受体拮抗剂。 抗精神病剂。

  • BD 1063 dihydrochloride EI0544

    BD 1063 dihydrochloride是选择性 σ1 配体, 拮抗剂。

  • BD 1047 dihydrobromide EI0543

    BD 1047 dihydrobromide是σ1 选择性拮抗剂。

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