2. シグナル伝達
  3. GPCR/G Protein
    Neuronal Signaling
  4. Dopamine Receptor

Dopamine Receptor

Dopamine Receptor

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Dopamine Receptors are a class of G protein-coupled receptors that are prominent in the vertebrate central nervous system (CNS). The neurotransmitter dopamine is the primary endogenous ligand for dopamine receptors. Dopamine receptors are implicated in many neurological processes, including motivation, pleasure, cognition, memory, learning, and fine motor control, as well as modulation of neuroendocrine signaling. Abnormal dopamine receptor signaling and dopaminergic nerve function is implicated in several neuropsychiatric disorders. Thus, dopamine receptors are common neurologic drug targets; antipsychotics are often dopamine receptor antagonists while psychostimulants are typically indirect agonists of dopamine receptors. There are at least five subtypes of dopamine receptors, D1, D2, D3, D4, and D5. The D1 and D5 receptors are members of the D1-like family of dopamine receptors, whereas the D2, D3 and D4receptors are members of the D2-like family.

Dopamine Receptor Isoform Specific Products:

Dopamine Receptor Isoform Comparison
製品番号 製品名 製品効果 純度 構造式
  • HY-119980A
    Fluphenazine dimaleate Antagonist
    Fluphenazine dimaleate is a potent, orally active phenothiazine-based dopamine receptor antagonist. Fluphenazine dimaleate blocks neuronal voltage-gated sodium channels. Fluphenazine dimaleate acts primarily through antagonism of postsynaptic dopamine-2 receptors in mesolimbic, nigrostriatal, and tuberoinfundibular neural pathways. Fluphenazine dimaleate can antagonize Methylphenidate-induced stereotyped gnawing and inhibit climbing behaviour in mice. Fluphenazine dimaleate can be used for researching psychosis and painful peripheral neuropathy associated with diabetes and has potential to inhibit SARS-CoV-2.
    Fluphenazine dimaleate
  • HY-W654010
    Lurasidone-d8-1 hydrochloride Antagonist
    Lurasidone-d8-1 (hydrochloride) is deuterium labeled Lurasidone (Hydrochloride). Lurasidone (Hydrochloride) (SM-13496 (Hydrochloride)) is an antagonist of both dopamine D2 and 5-HT7 with IC50s of 1.68 and 0.495 nM, respectively. Lurasidone (Hydrochloride) (SM-13496 (Hydrochloride)) is also a partial agonist of 5-HT1A receptor with an IC50 of 6.75 nM.
    Lurasidone-d<sub>8</sub>-1 hydrochloride
  • HY-123189
    LY 171859
    LY 171859 is a D2 receptor agonist with significant reductase activity. LY 171859 exhibits enzymatic activity in the cytoplasm of liver, lung, and kidney, and also contains significant reductase activity in rat and human blood. LY 171859 has higher hepatic reductase activity in guinea pigs, followed by hamsters, rabbits, rats, and mice. The substrate of LY 171859 shows an apparent Km of 5.6 μM. The reduction reaction of LY 171859 is NADPH-dependent with an apparent Km of 14.8 μM. Only the A-side hydrogen of NADPH is incorporated in the reduction product of LY 171859. The reaction of LY 171859 is inhibited by cyanide and thiol reagents, and phenobarbital does not induce its activity in rats.
    LY 171859
  • HY-126635A
    Mafoprazine methanesulfonate Antagonist
    Mafoprazine methanesulfonate is a phenylpiperazine derivative with variable affinities for neuronal receptors. It may exert its antipsychotic effects primarily through D2 receptor blockade and α-adrenergic activity, and may increase the activity of dopamine metabolites.
    Mafoprazine methanesulfonate
  • HY-17410S1
    Iloperidone-d3 hydrochloride Antagonist
    Iloperidone-d3 hydrochloride is deuterated labeled Iloperidone (HY-17410). Iloperidone (HP 873) is a D2/5-HT2 receptor antagonist. Iloperidone is an atypical antipsychotic for the schizophrenia symptoms.
    Iloperidone-d<sub>3</sub> hydrochloride
  • HY-14538S1
    Haloperidol-d4-1 98.0%
    Haloperidol-d4-1 is deuterium labeled haloperidol, and the latter is a potent dopamine D2 receptor antagonist.
    Haloperidol-d<sub>4</sub>-1
  • HY-124186
    LR1143 Inhibitor
    LR1143 is a dopamine transporter (DAT) and 5-HT uptake inhibitor, with IC50 values of 3.4 nM and 112 nM in rats, respectively. LR1143 binds to DAT labeled with the dopamine reuptake inhibitor GBR 12935 (HY-12242A), with an IC50 of 4.4 nM. LR1143 shows lower selectivity for DAT than for serotonin reuptake sites. LR1143 can be used in studies related to cocaine abuse.
    LR1143
  • HY-155706
    MOR agonist-2 Antagonist
    MOR agonist-2 (compound 46) is a antagonist of D3R and agonist of MOR (Ki: 7.26 nM and 564 nM, respectively). MOR agonist-2 has the potential to produce analgesic effects through MOR partial agonism. MOR agonist-2 reduces opioid-misuse liability via D3R antagonism.
    MOR agonist-2
  • HY-N10950
    Vanicoside E Inhibitor
    Vanicoside E is an antioxidant and antitumor agent. Vanicoside E inhibits L-Tyrosine (HY-N0473) and L-DOPA (HY-N0304) with IC50s of 45.23 μM and 189.96 μM, respectively.
    Vanicoside E
  • HY-106820
    BRL 34778 Antagonist
    BRL 34778 is a potent, selective and orally active dopamine D2 receptor antagonist with a Ki of 2.14 nM. BRL 34778 exhibits antipsychotic activity with low activity for extrapyramidal effects and sedation. BRL 34778 can be used for the research of neurological disease, such as schizophrenia.
    BRL 34778
  • HY-106889A
    Zelandopam anhydrous Agonist
    Zelandopam (YM435) anhydrous is an orally active and selective agonist of the dopamine D1 receptor. Zelandopam anhydrous possesses potent renal vasodilatory properties and can effectively alleviate Cisplatin (HY-17394)-induced acute renal failure.
    Zelandopam anhydrous
  • HY-W647997
    Isoremoxipride Antagonist
    Isoremoxipride is a dopamine antagonist. Isoremoxipride is a 3-methoxy isomer that exhibits affinities for the dopamine D2 receptor.
    Isoremoxipride
  • HY-145905
    D4R antagonist-1 Antagonist
    D4R antagonist-1 is a potent and selective D4R antagonist with an IC50 of 6.87 µM. D4R antagonist-1 has the potential for the research of Parkinson’s disease.
    D4R antagonist-1
  • HY-118551R
    Bromperidol decanoate (Standard) Antagonist
    Bromperidol decanoate (Standard) is the analytical standard of Bromperidol decanoate. This product is intended for research and analytical applications. Bromperidol decanoate (R46541) is a compound used for the inhibition of schizophrenia and has certain clinical inhibitory activity.
    Bromperidol decanoate (Standard)
  • HY-122495
    rel-Quinpirole dihydrochloride Agonist
    rel-Quinpirole (rel-LY 171555) dihydrochloride, an ergot compound, is a selective dopamine (DA) D2 receptor agonist. rel-Quinpirole dihydrochloride can be used for research on neurological diseases.
    rel-Quinpirole dihydrochloride
  • HY-111283
    AJ-76 Antagonist
    AJ-76 ((+)-AJ 76; (1S,2R)-AJ 76) is a dopamine autoreceptor antagonist. AJ-76 can increase the synthesis and turnover of dopamine in the rat brain, while having little effect on the synthesis and turnover of serotonin (5-HT) and norepinephrine. AJ-76 can also antagonize the sedative effects of low-dose apomorphine and has a weak antagonistic effect on postsynaptic dopamine receptor.
    AJ-76
  • HY-B0965AR
    Thioridazine (Standard) Antagonist
    Thioridazine (Standard) is the analytical standard of Thioridazine. This product is intended for research and analytical applications. Thioridazine, an antagonist of the dopamine receptor D2 family proteins, exhibits potent anti-psychotic and anti-anxiety activities. Thioridazine is also a potent inhibitor of PI3K-Akt-mTOR signaling pathways with anti-angiogenic effect. Thioridazine shows antiproliferative and apoptosis induction effects in various types of cancer cells, with specificity on targeting cancer stem cells (CSCs).
    Thioridazine (Standard)
  • HY-15608R
    MPTP hydrochloride (Standard)
    Iproniazid (phosphate) (Standard) is the analytical standard of Iproniazid (phosphate). This product is intended for research and analytical applications. Iproniazid phosphate is a non-selective, irreversible monoamine oxidase (MAO) inhibitor of the hydrazine class. Iproniazid phosphate has antidepressive activity.
    MPTP hydrochloride (Standard)
  • HY-W686216
    VK-28
    VK-28 is a blood-brain barrier-permeable iron chelator. VK-28 inhibits mitochondrial membrane lipid peroxidation and the iron-dependent generation of reactive hydroxyl radicals. VK-28 exhibits neuroprotective activity and protects rats against 6-OHDA-induced striatal dopaminergic damage. VK-28 can be used in studies related to Parkinson's disease.
    VK-28
  • HY-107002
    Lergotrile Agonist
    Lergotrile is a potent and orally active dopamine agonist and a prolactin secretion inhibitor. Lergotrile inhibits prolactin release from pituitaries by activating an adenohypophyseal dopamine receptor. Lergotrile has the potential for the research of Parkinson's disease.
    Lergotrile
製品番号 製品名 / Synonyms Application Reactivity
Dopamine Receptor Isoform Comparison

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