1. Signaling Pathways
  2. GPCR/G Protein
    Neuronal Signaling
  3. Dopamine Receptor

Dopamine Receptor

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 Related Products (349):

Cat. No. Product Name Effect Purity
  • HY-15608
    MPTP hydrochloride
    99.54%
    MPTP hydrochloride is a brain penetrant dopamine neurotoxin, inducing Parkinson’s Disease. MPTP hydrochloride, a precusor of MPP+, induces apoptosis.
  • HY-B1081A
    Oxidopamine hydrobromide
    Antagonist 99.95%
    Oxidopamine hydrobromide (6-OHDA hydrobromide), an antagonist of the neurotransmitter dopamine, is a widely used neurotoxin that selectively destroys dopaminergic neurons.
  • HY-B1081
    Oxidopamine hydrochloride
    Antagonist ≥98.0%
    Oxidopamine hydrochloride (6-OHDA hydrochloride), an antagonist of the neurotransmitter dopamine, is a widely used neurotoxin that selectively destroys dopaminergic neurons.
  • HY-N0304
    L-DOPA
    99.98%
    L-DOPA (Levodopa) is an orally active metabolic precursor of neurotransmitters dopamine. L-DOPA can cross the blood-brain barrier and is converted into dopamine in the brain. L-DOPA has anti-allodynic effects and the potential for Parkinson's disease.
  • HY-12705A
    Bromocriptine mesylate
    Agonist 99.98%
    Bromocriptine mesylate is a potent dopamine D2/D3 receptor agonist, which binds D2 dopamine receptor with pKi of 8.05±0.2.
  • HY-110080
    Lisuride maleate
    Agonist 98.85%
    Lisuride (maleate) is a potent agonist of dopamine with a probably direct action on dopaminergic receptors. Lisuride (maleate) is an ergot derivative. Lisuride (maleate) releases the premenstrual mastalgia without significant side effects.
  • HY-145454
    (R)-Preclamol
    99.88%
    (R)-Preclamol is a dopamine (DA) agonist with autoreceptor as well as postsynaptic receptor stimulatory properties. (R)-Preclamol inhibits the locomotor activity of mice and rats in low doses.
  • HY-B1371
    Spiperone
    Antagonist
    Spiperone is a potent dopamine D2, serotonin 5-HT1A, and serotonin 5-HT2A antagonist. Spiperone is a widely used pharmacological tool. Spiperone has the potential for the research of neurology diseases.
  • HY-19545A
    SCH-23390 hydrochloride
    Antagonist 99.91%
    SCH-23390 hydrochloride (R-(+)-SCH-23390 hydrochloride) is a potent and selective dopamine D1-like receptor antagonist with Kis of 0.2 nM and 0.3 nM for the D1 and D5 receptor, respectively. SCH-23390 hydrochloride is a potent and high efficacy human 5-HT2C receptor agonist with a Ki of 9.3 nM. SCH-23390 hydrochloride also binds with high affinity to the 5-HT2 and 5-HT1C receptors. SCH-23390 hydrochloride inhibits G protein-coupled inwardly rectifying potassium (GIRK) channels with an IC50 of 268 nM.
  • HY-12987
    Pimozide
    Antagonist 99.88%
    Pimozide is a dopamine receptor antagonist, with Kis of 1.4 nM, 2.5 nM and 588 nM for dopamine D2, D3 and D1 receptors, respectively, and also has affinity at α1-adrenoceptor, with a Ki of 39 nM; Pimozide also inhibits STAT3 and STAT5.
  • HY-14538
    Haloperidol
    Antagonist 99.77%
    Haloperidol is a potent dopamine D2 receptor antagonist, widely used as an antipsychotic.
  • HY-12520A
    SKF 38393 hydrochloride
    Agonist 99.44%
    SKF 38393 hydrochloride is a selective agonist of the dopamine D1 receptor (D1DR) with an IC50 of 110 nM.
  • HY-15296
    Cabergoline
    Agonist 99.80%
    Cabergoline is an ergot derived-dopamine D2-like receptor agonist that has high affinity for D2, D3, and 5-HT2B receptors (Ki=0.7, 1.5, and 1.2, respectively).
  • HY-15780
    Brexpiprazole
    Agonist 99.64%
    Brexpiprazole (OPC-34712), an atypical orally active antipsychotic drug, is a partial agonist of human 5-HT1A and dopamine D2L receptor with Kis of 0.12 nM and 0.3 nM, respectively. Brexpiprazole is also a 5-HT2A receptor antagonist with a Ki of 0.47 nM. Brexpiprazole also shows potent antagonist activity at human noradrenergic α1B (Ki=0.17 nM) and α2C receptors (Ki=0.59 nM).
  • HY-B0965
    Thioridazine hydrochloride
    Antagonist 99.96%
    Thioridazine hydrochloride, an orally active antagonist of the dopamine receptor D2 family proteins, exhibits potent anti-psychotic and anti-anxiety activities. Thioridazine hydrochloride is also a potent inhibitor of PI3K-Akt-mTOR signaling pathways with anti-angiogenic effect. Thioridazine hydrochloride shows antiproliferative and apoptosis induction effects in various types of cancer cells, with specificity on targeting cancer stem cells (CSCs).
  • HY-11018
    Risperidone
    Antagonist 98.01%
    Risperidone is a serotonin 5-HT2 receptor blocker, P-Glycoprotein inhibitor and potent dopamine D2 receptor antagonist, with Kis of 4.8, 5.9 nM for 5-HT2A and dopamine D2 receptor, respectively.
  • HY-10349A
    WAY-100635 Maleate
    Agonist 99.89%
    WAY-100635 maleate is a potent and selective 5-hydroxytryptamine 1A (5-HT1A) receptor antagonist with an IC50 value of 0.91 nM and Ki value of 0.39 nM. WAY-100635 maleate has pIC50 values for 5-HT1A and α1-adrenergic receptors of 8.9 and 6.6, respectively. WAY-100635 maleate is also a potent dopamine D4 receptor agonist.
  • HY-A0081
    Fluphenazine dihydrochloride
    Inhibitor 99.27%
    Fluphenazine dihydrochloride is a phenothiazine-class D1DR and D2DR inhibitor; used to deliver Fluphenazine to biological systems in studies probing the effects and metabolic fates of this commonly used dopamine antagonist.
  • HY-14544
    Quetiapine
    Antagonist 99.96%
    Quetiapine (ICI204636) is a 5-HT receptors agonist with a pEC50 of 4.77 for human 5-HT1A receptor. Quetiapine is a dopamine receptor antagonist with a pIC50 of 6.33 for human D2 receptor. Quetiapine has moderate to high affinity for the human D2, HT1A, 5-HT2A, 5-HT2C receptor with pKis of 7.25, 5.74, 7.54, 5.55. Antidepressant and anxiolytic effects.
  • HY-B1019
    Sulpiride
    Antagonist 99.92%
    Sulpiride is a D2 receptor a antagonist, an atypical antipsychotic drug of the benzamide class, used mainly in the treatment of psychosis associated with schizophrenia and major depressive disorder, and sometimes used in low dosage to treat anxiety and mild depression.
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