Dopamine Transporter

GBR 12935 dihydrochloride is a potent, and selective dopamine reuptake inhibitor, with the binding constant (K_d) of 1.08 nM in COS-7 cells. GBR 12935 dihydrochloride stimulates the locomotion activity in different mice strains but fails to induce stereotypy. Thus, GBR 12935 dihydrochloride also prevents the d-Fenfluramine-induced head-twitch response in mice.

LH2-051, a lysosome-enhancing compound (LYEC), is a brain-penetrant dopamine transporter (DAT) inhibitor (K_i: 0.95 μM). LH2-051 inhibits DAT-mediated dopamine uptake with an IC₅₀ of 3.0 μM. LH2-051 promotes nuclear translocation of TFEB and lysosome biogenesis. LH2-051 improves the memory of amyloid precursor protein (APP)/Presenilin 1 (PS1) mice. LH2-051 can be used for the study of Alzheimer’s disease.

Diclofensine (Ro 8-46500) hydrochloride is an orally active neuronal monoamine uptake inhibitor. Diclofensine hydrochloride blocks the uptake of dopamine, noradrenaline, and serotonin by rat brain synaptosomes with IC₅₀ values of 0.74, 2.3 and 3.7 nM, respectively. Diclofensine hydrochloride potentiates norepinephrine-induced hypertension and attenuates Tyramine (HY-W007606)-induced hypertension. Diclofensine hydrochloride produces psychostimulant and mood-elevating effects without causing sudden disappearance or withdrawal reactions. Diclofensine hydrochloride can be used in the research of moderate to severe depression.

5,7-Dimethoxyluteolin, a 5,7-dimethylluteolin derivative, is a dopamine transporter (DAT) activator with an EC₅₀ of 3.417 μM.

Amitifadine (DOV-21947; EB-1010) hydrochloride is a serotonin-norepinephrine-dopamine reuptake inhibitor (SNDRI), with IC₅₀s of 12, 23, 96 nM for serotonin, norepinephrine and dopamine in HEK 293 cells , respectively.

AHN 1-055 hydrochloride is a dopamine uptake inhibitor that can cross the blood-brain barrier, with an IC₅₀ of 71 nM. AHN 1-055 hydrochloride binds with high affinity to the dopamine transporter (DAT).

J147 is an exceptionally potent, orally active, neuroprotective agent for cognitive enhancement. J147 can pass the blood brain barrier (BBB). J147 can inhibit monoamine oxidase B (MAO B) and the dopamine transporter. J147 plays an impotant role in Alzheimer’s disease (AD).

Amitriptyline-d₆ hydrochloride is the deuterium labeled Amitriptyline hydrochloride (HY-B0527A). Amitriptyline hydrochloride is an orally active tricyclic antidepressant (TCA). Amitriptyline hydrochloride mainly exerts its antidepressant effect by blocking SERT (K_i = 3.45 nM) and NET (K_i = 13.3 nM), thereby increasing the concentrations of 5-hydroxytryptamine (5-HT) and norepinephrine (NE) in the synaptic cleft. Amitriptyline hydrochloride is also an agonist at α2A and TrkA/TrkB receptors, thereby exerting analgesic and neurotrophic activities (inhibiting cell apoptosis). Amitriptyline hydrochloride can reduce inflammation, angiogenesis and fibrosis. Amitriptyline hydrochloride binds to DAT (with K_i = 2.58 μM). Amitriptyline hydrochloride has high affinity for a series of receptors and can antagonize muscarinic cholinergic receptors (M1/M2/M3/M4/M5 receptors) (K_i = 11-24 nM), H1 receptors (K_i = 0.5-1.1 nM), adrenergic α1 receptors (K_i = 4.4 nM), etc., resulting in a series of side effects. Amitriptyline hydrochloride can block sodium channels and hERG potassium channel (IC₅₀ = 4.78 μM) and it has cardiotoxicity.

Z1078601926 is an allosterical inhibitor of human dopamine transporter (hDAT). Z1078601926 has synergistic effect with Nomifensine (HY-B1110).

Liafensine (BMS-820836) is an orally active, blood-brain barrier-permeable monoamine reuptake inhibitor, with an IC₅₀ of 5.67 nM against DAT, 1.08 nM against SERT, and 7.99 nM against NET. Liafensine binds to DAT to block dopamine reuptake. Liafensine binds to SERT to block serotonin reuptake. Liafensine binds to NET to block norepinephrine reuptake. Liafensine can be used in studies related to depression.

Hordenine hydrochloride (Ordenina hydrochloride; Peyocactine hydrochloride) is a multifunctional alkaloid with oral activity and blood-brain barrier penetration. Hordenine hydrochloride inhibits LPS-induced phosphorylation of p38, JNK, ERK1/2, p65, IκB, and AKT, prevents p65 nuclear translocation, and suppresses inflammatory cytokines and mediators. Hordenine hydrochloride promotes M2 macrophage polarization, restores blood-milk barrier integrity, alleviates oxidative stress by reducing ROS and MDA, and attenuates LPS-induced lung injury and pulmonary edema. Hordenine hydrochloride inhibits cAMP production, CREB phosphorylation, and MITF expression, thereby suppressing melanin synthesis in melanocytes and reconstructed epidermis. Hordenine hydrochloride activates the Wnt/β-catenin signaling pathway, promotes dermal papilla cell proliferation and hair shaft elongation, and accelerates hair regeneration. Hordenine hydrochloride activates DRD2, acts as a D3R partial agonist, α2A-AR full agonist, and 5-HT2A-R antagonist, and inhibits SERT and DAT. Hordenine hydrochloride inhibits α-synuclein accumulation and ameliorates motor deficits in Parkinson's disease models. Hordenine hydrochloride limits alcohol intake, reduces relapse drinking behavior, and modulates alcohol-induced conditioned place preference. Hordenine hydrochloride can be used for research on mastitis, skin pigmentation, acute lung injury, foodborne diseases, hair loss, Parkinson's disease, bacterial infections, and alcohol use disorder.

Hordenine-d₆ (Ordenina-d₆; Peyocactine-d₆) is the deuterated-labeled Hordenine (HY-N0113). Hordenine (Ordenina; Peyocactine) is a multifunctional alkaloid with oral activity and blood-brain barrier penetration. Hordenine inhibits LPS-induced phosphorylation of p38, JNK, ERK1/2, p65, IκB, and AKT, prevents p65 nuclear translocation, and suppresses inflammatory cytokines and mediators. Hordenine promotes M2 macrophage polarization, restores blood-milk barrier integrity, alleviates oxidative stress by reducing ROS and MDA, and attenuates LPS-induced lung injury and pulmonary edema. Hordenine inhibits cAMP production, CREB phosphorylation, and MITF expression, thereby suppressing melanin synthesis in melanocytes and reconstructed epidermis. Hordenine activates the Wnt/β-catenin signaling pathway, promotes dermal papilla cell proliferation and hair shaft elongation, and accelerates hair regeneration. Hordenine activates DRD2, acts as a D3R partial agonist, α2A-AR full agonist, and 5-HT2A-R antagonist, and inhibits SERT and DAT. Hordenine inhibits α-synuclein accumulation and ameliorates motor deficits in Parkinson's disease models. Hordenine limits alcohol intake, reduces relapse drinking behavior, and modulates alcohol-induced conditioned place preference. Hordenine can be used for research on mastitis, skin pigmentation, acute lung injury, foodborne diseases, hair loss, Parkinson's disease, bacterial infections, and alcohol use disorder.

Indatraline hydrochloride (Lu 19-005) is a non-selective monoamine transporter inhibitor that blocks the reuptake of neurotransmitters (dopamine, serotonin, and norepinephrine). Indatraline hydrochloride can be used for the research of antidepressive. Indatraline hydrochloride induces autophagy while simultaneously inhibiting cell proliferation. Indatraline hydrochloride may also serve to direct the development of new agents for autophagy-related diseases such as atherosclerosis or restenosis.

Bupropion morpholinol (Hydroxy Bupropion) is a major metabolite of Bupropion. Bupropion morpholinol inhibits Dopamine, Norepinephrine transporters and the α4β2 nicotinic receptor in vitro. Bupropion morpholinol contributes to antidepressant and smoking cessation activities.

Levophacetoperane inhibits in vitro in a competitive manner, norepinephrin uptake and dopamine uptake.

Vanoxerine (GBR-12909) is a competitive, potent, and highly selective dopamine reuptake inhibitor (K_i=1 nM). Vanoxerine (GBR-12909) binds to the target site on the dopamine transporter (DAT).

SRI-31142 is a putative, brain-penetrant allosteric inhibitor of the dopamine transporter (DAT). In behavioral studies using intracranial self-stimulation (ICSS), SRI-31142 did not produce the abuse-related effects seen with cocaine and GBR-12935, but instead reduced ICSS responses and dopamine levels in the nucleus accumbens (NAc) at effective doses. SRI-31142 also blocked cocaine-induced increases in ICSS and NAc dopamine.

SKF-83566 hydrobromide is an orally active, blood-brain barrier-permeable D1/D5 dopamine receptor antagonist with a K_i value of approximately 0.4-0.56 nM. SKF-83566 hydrobromide modulates locomotor behavior and spatial memory by blocking D1 receptors and inhibits glioblastoma progression by targeting the DRD1/c-Myc/UHRF1 pathway. SKF-83566 hydrobromide acts as an inhibitor of the dopamine transporter (DAT) and adenylyl cyclase 2 (AC2). SKF-83566 hydrobromide competitively binds to DAT to inhibit dopamine reuptake and non-competitively inhibits AC2 activity, thereby reducing cAMP accumulation. SKF-83566 hydrobromide is used in research areas such as dopaminergic system mechanisms, learning and memory, targeted intervention for glioblastoma, AC2 pathophysiology, antiparasitic drug screening, and synaptic plasticity (the "gating effect").

Medifoxamine is an orally active monoamine reuptake inhibitor and antidepressant. Medifoxamine preferentially inhibits presynaptic dopamine reuptake. Medifoxamine acts as an intraocular pressure-lowering agent to reduce intraocular pressure, and also functions as a miotic agent to decrease pupil diameter. Medifoxamine exhibits characteristic properties of antidepressant compounds, including preventing hypothermia induced by Reserpine (HY-N0480) or Apomorphine (HY-12723), potentiating the toxic effects of Yohimbine (HY-N0127) in mice, and reducing immobility behavior in mice and rats in the "behavioral despair" model. Medifoxamine has no anticholinergic activity. Medifoxamine can be used in research related to depression.

Centanafadine is dual norepinephrine (NE)/dopamine (DA) transporter inhibitor, also inhibits serotonin transporter, with IC₅₀s of 6 nM, 38 nM and 83 nM for human NE, DA and serotonin transporter , respectively.