2. Signaling Pathways
  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
Cat. No. Product Name Effect Purity Chemical Structure
  • HY-117533
    UNC0006
    UNC0006 is a β-arrestin-biased dopamine D2 ligand. UNC0006 can be used in the study of antipsychotic.
    UNC0006
  • HY-19019
    Y-20024 hydrochloride
    		Antagonist
    Y-20024 hydrochloride is an orally active D2 receptor antagonist with blood-brain barrier permeability. Y-20024 hydrochloride can inhibit Apomorphine (HY-12723)-induced ADHD in mice. Y-20024 hydrochloride can inhibit Apomorphine-induced vomiting in dogs. Y-20024 hydrochloride has prolactin-promoting activity. Y-20024 hydrochloride can be used in research on neurological disorders such as ADHD and vomiting.
    Y-20024 hydrochloride
  • HY-167875
    Neflumozide
    		Antagonist
    Neflumozide (HRP 913) is an orally active benzisoxazole derivative and a potent dopamine antagonist with antipsychotic activity. Neflumozide can be utilized in psychosis research.
    Neflumozide
  • HY-W716520
    Cariprazine-d8
    Cariprazine-d8-1 (RGH-188-d8-1) is the deuterium labeled Cariprazine (HY-14763). Cariprazine is a novel antipsychotic agent candidate that exhibits high affinity for the D3 (Ki=0.085 nM) and D2 (Ki=0.49 nM) receptors, and moderate affinity for the 5-HT1A receptor (Ki=2.6 nM).
    Cariprazine-d<sub>8</sub>
  • HY-106904
    Nexopamil
    		Antagonist
    Nexopamil is a calcium antagonist of Ca2+ channel, 5HT2, 5HT1A, 5HT1C and dopamine D2 receptors. Nexopamil exhibits vasodilatory, cardioprotective, and platelet aggregation inhibiting effects. Nexopamil can be used for researches of stable or unstable angina and possibly of peripheral arterial occlusive disease.
    Nexopamil
  • HY-173044
    5-HT1AR/5-HT6R ligand-1
    		Antagonist
    5-HT1AR/5-HT6R ligand-1 (Compound PP13) is the ligand for 5-HT receptor that exhibits good affinity to 5-HT1AR, 5-HT6R and 5-HT7R (Ki of 19, 69 and 198 nM, respectively), thereby inhibiting the cAMP production in HEK293 cell with EC50 of 1535, 488 and 53 nM, respectively. 5-HT1AR/5-HT6R ligand-1 exhibits anti-proliferative activity against a variety of cancer cells (IC50 for 1321N1, U87MG, MCF7, and AsPC-1 is 9.6, 13.6, 19.3 and 14.6 μM, respectively). 5-HT1AR/5-HT6R ligand-1 also exhibits antagonist activity for dopamine receptor D2R with Ki of 1903 nM.
    5-HT1AR/5-HT6R ligand-1
  • HY-130041
    Tropapride
    		Antagonist
    Tropapride is a dopamine D2 receptor antagonist. Tropapride can be used for the research of neurological disease.
    Tropapride
  • HY-12707A
    Piribedil dihydrochloride
    		Agonist
    Piribedil dihydrochloride is a potent and orally active dopamine D2 and dopamine D3 agonist. Piribedil dihydrochloride is also a α2-adrenoceptors antagonist. Piribedil dihydrochloride can inhibit MLL1 methyltransferase activity (EC50: 0.18 μM). Piribedil dihydrochloride has the potential for the research of parkinson's disease, circulatory disorders, cancers.
    Piribedil dihydrochloride
  • HY-106605S
    Flumezapine-d8 hydrochloride
    		Antagonist
    Flumezapine-d8 (LY 120363-d8) hydrochloride is deuterated labeled Flumezapine hydrochloride. Flumezapine hydrochloride is a potent and balanced antagonist of the dopamine D2 receptor and the 5-hydroxytryptamine receptor (5-HT receptor). Flumezapine hydrochloride does not alter the increase in serum cortisol caused by κ-opioid receptor agonists. Flumezapine hydrochloride inhibits the conditioned avoidance response in rats and has a low risk of extrapyramidal side effects. Flumezapine hydrochloride can be used in antipsychotic research.
    Flumezapine-d<sub>8</sub> hydrochloride
  • HY-W436270
    Bulbocapnine hydrochloride
    		Inhibitor
    Bulbocapnine hydrochloride, an aporphine alkaloid, is a dopamine receptor inhibitor. Bulbocapnine hydrochloride inhibits dopamine synthesis. Bulbocapnine hydrochloride also has neuroleptic-like, anticonvulsant and antinociceptive effects.
    Bulbocapnine hydrochloride
  • HY-120687
    A68930
    		Agonist
    A68930, as a dopamine D1 receptor agonist, can be used for the research of bronchiectasis.
    A68930
  • HY-169394
    5-HT1AR agonist 2
    		Modulator
    5-HT1AR agonist 2 (Compound 4f) is a 5-HT1A receptor agonist (Ki: 10.0 nM). 5-HT1AR agonist 2 also binds to the SERT, D2 receptor and 5-HT6 receptor (Ki: SERT, 2.8 nM; D2, 23 nM; 5-HT6, 192 nM). 5-HT1AR agonist 2 is stabilized in microsomes and induces hypothermia in mice.
    5-HT1AR agonist 2
  • HY-15394A
    (Rac)-Rotigotine
    		Agonist
    (Rac)-Rotigotine (N-0437) is a racemate of Rotigotine. Rotigotine is a full agonist of dopamine receptor, a partial agonist of the 5-HT1A receptor, and an antagonist of the α2B-adrenergic receptor, with Kis of 0.71 nM, 4-15 nM, and 83 nM for the dopamine D3 receptor and D2, D5, D4 receptors, and dopamine D1 receptor.
    (Rac)-Rotigotine
  • HY-14782A
    Adoprazine hydrochloride
    		Antagonist
    Adoprazine (SLV313) hydrochloride is a full 5-HT1A receptor agonist with a pEC50 of 9 at cloned h5-HT1A receptors. Adoprazine hydrochloride is a full D2 and D3 receptor antagonist with pA2s of 9.3 and 8.9 at hD2 and hD3 receptors, respectively. Adoprazine has the characteristics of atypical antipsychotics.
    Adoprazine hydrochloride
  • HY-114085
    BP 897
    		Agonist
    BP 897 is a potent and partial dopamine D3 receptor agonist and a weak D2 receptor antagonist. BP 897 displays a high affinity at the dopamine D3 receptor (Ki=0.92 nM) and a 70 times lower affinity at the D2 receptor (Ki=61 nM).
    BP 897
  • HY-118064
    (R)-Thionisoxetine
    (R)-Thionisoxetine is a potent and selective inhibitor of central and peripheral norepinephrine (NE) uptake. (R)-thionisoxetine prevented hypothalamic NE depletion by 6-hydroxydopamine with an ED50 of 0.21 mg/kg. (R)-Thionisoxetine can be used for the research of a variety of diseases including depression and urinary incontinence.
    (R)-Thionisoxetine
  • HY-B0532AS
    Trifluoperazine-d3 dihydrochloride
    		Inhibitor
    Trifluoperazine-d3 (dihydrochloride) is deuterium labeled Trifluoperazine (dihydrochloride). Trifluoperazine dihydrochloride, an antipsychotic agent, acts by blocking central dopamine receptors. Trifluoperazine dihydrochloride is a potent α1-adrenergic receptor antagonist. Trifluoperazine dihydrochloride is a potent NUPR1 inhibitor exerting anticancer activity. Trifluoperazine dihydrochloride is a calmodulin inhibitor, and also inhibits P-glycoprotein. Trifluoperazine dihydrochloride can be used for the research of schizophrenia. Trifluoperazine dihydrochloride acts as a reversible inhibitor of influenza virus morphogenesis.
    Trifluoperazine-d<sub>3</sub> dihydrochloride
  • HY-179241
    UNC10062
    		Modulator
    UNC10062 is a dopamine D1 receptor (D1R) positive allosteric modulator. UNC10062 specifically binds to the extracellular allosteric pocket (upper pocket) at the interface of transmembrane helices (TM) 1 and 7 of D1R. UNC10062 can increase dopamine potency and D1R-mediated cAMP production. UNC10062 can be used for the research of neurological disease, such as Parkinson's disease.
    UNC10062
  • HY-A0188
    Norzine dimalate
    		Antagonist
    Norzine dimalate (Thiethylperazine dimalate), a Phenothiazine (HY-Y0055) derivate, is an orally active and potent dopamine D2-receptor and histamine H1-receptor antagonist. Norzine dimalate is also a selective ABCC1activator that reduces amyloid-β load in mice. Norzine dimalate has anti-emetic, antipsychotic and antimicrobial effects.
    Norzine dimalate
  • HY-146135
    Tau-aggregation-IN-1
    		Agonist
    Tau-aggregation-IN-1 (Compound D-519) is a tau441 protein aggregation inhibitor with an IC50 of 21 µM. Tau-aggregation-IN-1 is also a dopamine D2 and D3 receptor agonist.
    Tau-aggregation-IN-1
Cat. No. Product Name / Synonyms Application Reactivity
Dopamine Receptor Isoform Comparison

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