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-W777345
    Moperone
    		Antagonist 99.5%
    Moperone (R 1658) is an antagonist for D2 dopamine receptor and D3 dopamine receptor, with IC50 of 1.0 nM and 1.0 nM.
    Moperone
  • HY-B0451AS6
    Dopamine-13C,15N hydrochloride
    		Activator 99.02%
    Dopamine-13C,15N (hydrochloride) is the 13C and 15N labeled Dopamine hydrochloride.
    Dopamine-<sup>13</sup>C,<sup>15</sup>N hydrochloride
  • HY-U00185
    A-437203
    		Antagonist 99.08%
    A-437203 is a selective D3 receptor antagonist with Ki of 71, 1.6, and 6220 nM for D2, D3, and D4 receptors, respectively.
    A-437203
  • HY-B0549AR
    Flavoxate hydrochloride (Standard)
    		Ligand
    Flavoxate (hydrochloride) (Standard) is the analytical standard of Flavoxate (hydrochloride). This product is intended for research and analytical applications. Flavoxate hydrochloride (Rec-7-0040; DW61) is an orally active L-type Ca2+ channel inhibitor and antispasmodic. Flavoxate hydrochloride inhibits cyclic adenosine monophosphate production by blocking voltage-dependent inward Ba2+ currents, regulating the brainstem micturition center, and stimulating G protein-coupled receptors. Consequently, Flavoxate hydrochloride induces relaxation of bladder smooth muscle and inhibits isovolumetric rhythmic contractions. Flavoxate hydrochloride effectively increases bladder capacity and alleviates symptoms of urgent urination frequency and pollakiuria caused by overactive bladder. Flavoxate hydrochloride can be used in research on overactive bladder and related voiding dysfunctions.
    Flavoxate hydrochloride (Standard)
  • HY-B0358AR
    Flunarizine dihydrochloride (Standard)
    		Antagonist
    Flunarizine (dihydrochloride) (Standard) is the analytical standard of Flunarizine (dihydrochloride). This product is intended for research and analytical applications. Flunarizine dihydrochloride is a potent dual Na+/Ca2+ channel (T-type) blocker. Flunarizine dihydrochloride is a D2 dopamine receptor antagonist. Flunarizine dihydrochloride shows anticonvulsive and antimigraine activity, and peripheral vasodilator effects.
    Flunarizine dihydrochloride (Standard)
  • HY-100454
    CGP 25454A
    		Antagonist 99.65%
    CGP 25454A is a selective presynaptic dopamine autoreceptor antagonist which induces the increase of dopamine and acetyl choline. CGP 25454A can be used for major depression research.
    CGP 25454A
  • HY-100648
    Keto Ziprasidone
    		Antagonist 98.96%
    Keto Ziprasidone is an impurity of Ziprasidone. Ziprasidone, an antipsychotic agent, is a combined 5-HT (serotonin) and dopamine receptor antagonist.
    Keto Ziprasidone
  • HY-W966282
    Aplindore
    		Agonist 98.44%
    Aplindore (DAB-452) is a potent agonist of the dopamine D2 receptor, with the pKi of 9.1. Aplindore plays an important role in Parkinson's disease research.
    Aplindore
  • HY-10435
    SKF-82958
    		Agonist
    SKF-82958 ((±)-SKF 82958) is a dopamine D1 receptor full agonist (K0.5=4 nM), displays selective for D1 over D2 receptors (K0.5=73 nM). SKF-82958 induces dopamine D1 receptor-dependent adenylate cyclase activity in rat striatal membranes (EC50=491 nM).
    SKF-82958
  • HY-141647
    18F-Labeled L-dopa precursor
    18F-Labeled L-dopa precursor is a precursor for synthesis of 18F-labeled L-dopa.
    18F-Labeled L-dopa precursor
  • HY-101622
    5-HT6/7 antagonist 1
    		Inhibitor
    5-HT6/7 antagonist 1 is a multifunctional ligand that antagonizes 5-HT6/7/2A and D2 receptors, without interacting with M1 receptors and hERG channels.
    5-HT6/7 antagonist 1
  • HY-B1240R
    Droperidol (Standard)
    		Antagonist
    Droperidol (Standard) is the analytical standard of Droperidol. This product is intended for research and analytical applications. Droperidol is a butyrophenone-type Dopamine-2 receptor antagonist.
    Droperidol (Standard)
  • HY-111066AR
    JNJ-37822681 dihydrochloride (Standard)
    		Antagonist
    JNJ-37822681 (dihydrochloride) (Standard) is the analytical standard of JNJ-37822681 (dihydrochloride). This product is intended for research and analytical applications. JNJ-37822681 dihydrochloride is a potent, specific, centrally active, fast-dissociating dopamine D2 receptor antagonist with a moderate binding affinity for the dopamine D2L receptor (Ki =158 nM), which has potential for the treatment of schizophrenia and bipolar disorder.
    JNJ-37822681 dihydrochloride (Standard)
  • HY-A0163S
    Zuclopenthixol-d4 succinate
    		Antagonist 99.0%
    Zuclopenthixol-d4 succinate is the deuterium labeled Zuclopenthixol. Zuclopenthixol is a thioxanthene derivative which acts as a mixed dopamine D1/D2 receptor antagonist.
    Zuclopenthixol-d<sub>4</sub> succinate
  • HY-100649
    Hydroxy ziprasidone
    		Antagonist 99.53%
    Hydroxy ziprasidone is an impurity of Ziprasidone. Ziprasidone, an antipsychotic agent, is a combined 5-HT (serotonin) and dopamine receptor antagonist.
    Hydroxy ziprasidone
  • HY-11018S2
    Risperidone-d6
    		Antagonist
    Risperidone-d6 (R 64 766-d6) is the deuterium labeled Risperidone (HY-11018). 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.
    Risperidone-d<sub>6</sub>
  • HY-159524
    Matsupexolum
    		Agonist
    Matsupexolum (Matsupexole) is a dopamine receptor agonist.
    Matsupexolum
  • HY-B1470S
    Azaperone-d4
    		Antagonist
    Azaperone-d4 (R-1929-d4) is the deuterium labeled Azaperone (HY-B1470). Azaperone is an antagonist of dopamine D2 receptor (Dopamine D2 Receptor) and α-adrenergic receptor (AR). Azaperone reduces vasomotor tone, mean arterial pressure, hematocrit, hemoglobin concentration, and etorphine-induced duration; induces transient tachycardia followed by bradycardia, splenic uptake of red blood cells, and sedation; alters animal behaviors; and produces sedation with distinct onset and duration in foals. Azaperone is used for sedation and tranquilization in various animals to reduce stress and aggressive behaviors, and serves as a preanesthetic agent.
    Azaperone-d<sub>4</sub>
  • HY-168537
    LB-102
    		Inhibitor 98.75%
    LB-102 is an orally active inhibitor of dopamine D2, D3, and 5-HT7 receptors, which can be used in research on schizophrenia and other psychiatric disorders.
    LB-102
  • HY-14542B
    Ziprasidone mesylate trihydrate
    		Antagonist
    Ziprasidone (CP-88059) mesylate trihydrate is an orally active combined 5-HT and dopamine receptor antagonist. Ziprasidone mesylate trihydrate has affinities for Rat D2 (Ki=4.8 nM), 5-HT2A (Ki=0.42 nM) and 5-HT1A (Ki=3.4 nM).
    Ziprasidone mesylate trihydrate
Cat. No. Product Name / Synonyms Application Reactivity
Dopamine Receptor Isoform Comparison

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