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Lee J. Tetrahydrocannabinol and dopamine D1 receptor. Front Neurosci 2024; 18:1360205. [PMID: 38419666 PMCID: PMC10899378 DOI: 10.3389/fnins.2024.1360205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Accepted: 01/31/2024] [Indexed: 03/02/2024] Open
Abstract
Dopamine is a hormone that is released by the adrenal gland and influences motor control and motivation. Dopamine is known to have 5 receptors which are D1, D2, D3, D4 and D5, which are further categorized into 2 families: D1 family and D2 family. The D1 family is known to play a role in motivation and motor control whereas the D2 family is known to affect attention and sleep. THC, a type of cannabinoid, can lead to feelings of euphoria, anxiety, fear, distrust, or panic. THC is known to affect dopamine in regions such as the anterior cingulate cortex (ACC), and plays a role in fundamental cognitive processes. Although there is a vast amount of research between the relationship of THC on dopamine, there continues to be limited research in relation to THC on dopamine receptors. The D1 receptor plays a role in several essential functions, such as memory, attention, impulse control, regulation of renal function, and locomotion. Accordingly, this review is intended to summarize the relationship between THC and D1 receptors, highlighting key gaps in the literature and avenues for future research.
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Affiliation(s)
- Jiwon Lee
- Department of Psychology, Harvard University, Cambridge, MA, United States
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Casados-Delgado O, Avalos-Fuentes JA, Lara-Lozano M, Tovar-Medina G, Florán-Hernández CD, Martínez-Nolasco KG, Cortes H, Felix R, Segovia J, Florán B. Modulation of D 3R Splicing, Signaling, and Expression by D 1R through PKA→PTB Phosphorylation. Biomedicines 2024; 12:206. [PMID: 38255311 PMCID: PMC10813448 DOI: 10.3390/biomedicines12010206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 01/11/2024] [Accepted: 01/11/2024] [Indexed: 01/24/2024] Open
Abstract
The D1R and D3R receptors functionally and synergistically interact in striatonigral neurons. Dopaminergic denervation turns this interaction antagonistic, which is correlated with a decrement in D3nf isoform and an increment in D3R membranal expression. The mechanisms of such changes in D3R are attributed to the dysregulation of the expression of their isoforms. The cause and mechanism of this phenomenon remain unknown. Dopaminergic denervation produces a decrement in D1R and PKA activity; we propose that the lack of phosphorylation of PTB (regulator of alternative splicing) by PKA produces the dysregulation of D3R splicing and changes D3R functionality. By using in silico analysis, we found that D3R mRNA has motifs for PTB binding and, by RIP, co-precipitates with PTB. Moreover, D1R activation via PKA promotes PTB phosphorylation. Acute and 5-day D1R blockade decreases the expression of D3nf mRNA. The 5-day treatment reduces D3R, D3nf, and PTB protein in the cytoplasm and increases D3R in the membrane and PTB in the nucleus. Finally, the blockade of D1R mimics the effect of dopaminergic denervation in D1R and D3R signaling. Thus, our data indicate that through PKA→PTB, D1R modulates D3R splicing, expression, and signaling, which are altered during D1R blockade or the lack of stimulation in dopaminergic denervation.
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Affiliation(s)
- Orlando Casados-Delgado
- Departamento de Fisiología, Biofísica y Neurociencias, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Mexico City 07360, Mexico; (O.C.-D.); (J.A.A.-F.); (M.L.-L.); (G.T.-M.); (C.D.F.-H.); (K.G.M.-N.); (J.S.)
| | - José Arturo Avalos-Fuentes
- Departamento de Fisiología, Biofísica y Neurociencias, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Mexico City 07360, Mexico; (O.C.-D.); (J.A.A.-F.); (M.L.-L.); (G.T.-M.); (C.D.F.-H.); (K.G.M.-N.); (J.S.)
| | - Manuel Lara-Lozano
- Departamento de Fisiología, Biofísica y Neurociencias, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Mexico City 07360, Mexico; (O.C.-D.); (J.A.A.-F.); (M.L.-L.); (G.T.-M.); (C.D.F.-H.); (K.G.M.-N.); (J.S.)
| | - Gisela Tovar-Medina
- Departamento de Fisiología, Biofísica y Neurociencias, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Mexico City 07360, Mexico; (O.C.-D.); (J.A.A.-F.); (M.L.-L.); (G.T.-M.); (C.D.F.-H.); (K.G.M.-N.); (J.S.)
| | - Carla Daniela Florán-Hernández
- Departamento de Fisiología, Biofísica y Neurociencias, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Mexico City 07360, Mexico; (O.C.-D.); (J.A.A.-F.); (M.L.-L.); (G.T.-M.); (C.D.F.-H.); (K.G.M.-N.); (J.S.)
| | - Karla Gisela Martínez-Nolasco
- Departamento de Fisiología, Biofísica y Neurociencias, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Mexico City 07360, Mexico; (O.C.-D.); (J.A.A.-F.); (M.L.-L.); (G.T.-M.); (C.D.F.-H.); (K.G.M.-N.); (J.S.)
| | - Hernán Cortes
- Laboratorio de Medicina Genómica, Departamento de Genómica, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, Mexico City 14389, Mexico;
| | - Ricardo Felix
- Departamento de Biología Celular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Mexico City 07360, Mexico;
| | - José Segovia
- Departamento de Fisiología, Biofísica y Neurociencias, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Mexico City 07360, Mexico; (O.C.-D.); (J.A.A.-F.); (M.L.-L.); (G.T.-M.); (C.D.F.-H.); (K.G.M.-N.); (J.S.)
| | - Benjamín Florán
- Departamento de Fisiología, Biofísica y Neurociencias, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Mexico City 07360, Mexico; (O.C.-D.); (J.A.A.-F.); (M.L.-L.); (G.T.-M.); (C.D.F.-H.); (K.G.M.-N.); (J.S.)
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Plateau V, Baufreton J, Le Bon-Jégo M. Age-Dependent Modulation of Layer V Pyramidal Neuron Excitability in the Mouse Primary Motor Cortex by D1 Receptor Agonists and Antagonists. Neuroscience 2024; 536:21-35. [PMID: 37952579 DOI: 10.1016/j.neuroscience.2023.11.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 10/31/2023] [Accepted: 11/07/2023] [Indexed: 11/14/2023]
Abstract
The primary motor cortex (M1) receives dopaminergic (DAergic) projections from the midbrain which play a key role in modulating motor and cognitive processes, such as motor skill learning. However, little is known at the level of individual neurons about how dopamine (DA) and its receptors modulate the intrinsic properties of the different neuronal subpopulations in M1 and if this modulation depends on age. Using immunohistochemistry, we first mapped the cells expressing the DA D1 receptor across the different layers in M1, and quantified the number of pyramidal neurons (PNs) expressing the D1 receptor in the different layers, in young and adult mice. This work reveals that the spatial distribution and the molecular profile of D1 receptor-expressing neurons (D1+) across M1 layers do not change with age. Then, combining whole-cell patch-clamp recordings and pharmacology, we explored ex vivo in young and adult mice the impact of activation or blockade of D1 receptors on D1+ PN intrinsic properties. While the bath application of the D1 receptor agonist induced an increase in the excitability of layer V PNs both in young and adult, we identified a distinct modulation of intrinsic electrical properties of layer V D1+ PNs by D1 receptor antagonist depending on the age of the animal.
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Affiliation(s)
- Valentin Plateau
- Université de Bordeaux, Institut des Maladies Neurodégénératives, 33076 Bordeaux, France; CNRS UMR 5293, Institut des Maladies Neurodégénératives, 33076 Bordeaux, France
| | - Jérôme Baufreton
- Université de Bordeaux, Institut des Maladies Neurodégénératives, 33076 Bordeaux, France; CNRS UMR 5293, Institut des Maladies Neurodégénératives, 33076 Bordeaux, France
| | - Morgane Le Bon-Jégo
- Université de Bordeaux, Institut des Maladies Neurodégénératives, 33076 Bordeaux, France; CNRS UMR 5293, Institut des Maladies Neurodégénératives, 33076 Bordeaux, France.
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Jia J, Peng H, Tian R, Zhou H, Zheng H, Liu B, Lu Y. Gm527 deficiency in dentate gyrus improves memory through upregulating dopamine D1 receptor pathway. CNS Neurosci Ther 2023; 29:3290-3306. [PMID: 37248637 PMCID: PMC10580352 DOI: 10.1111/cns.14259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 03/29/2023] [Accepted: 04/26/2023] [Indexed: 05/31/2023] Open
Abstract
AIMS Dopamine D1 receptor (D1R) hypofunction is associated with negative and cognitive symptoms in schizophrenia; therefore, the mechanism of D1R function modulation needs further investigation. Gm527 is the rodent homologous of the schizophrenia-related gene C14orf28, encoding a predicated D1R-interacting protein. However, the role of Gm527-D1R interaction in schizophrenia needs to be clarified. METHODS Gm527-floxed mice were generated and crossed with D1-Cre mice (D1:Gm527-/-) to knockout Gm527 in D1R-positive neurons. Then behavioral tests were performed to explore the schizophrenia-related phenotypes. Immunofluorescence, fluorescence in situ hybridization, electrophysiological recording, quantitative real-time PCR, and western blotting were conducted to investigate the mechanisms. RESULTS Working memory, long-term memories, and adult neurogenesis in the DG were enhanced in D1:Gm527-/- mice. LTP was also increased in the DG in D1:Gm527-/- mice, resulting from the Gm527 knockout-induced D1R expression enhancement on the plasma membrane and subsequently cAMP signaling and NMDA receptor pathways activation. The requirement of Gm527 knockout in the DG was confirmed by reversing Gm527 expression or knockdown Gm527 in the DG D1R-positive neurons through AAV-CAG-FLEX-Gm527-GFP or AAV-CMV-FLEX-EGFP-Gm527-RNAi injection. CONCLUSIONS The DG Gm527 knockout induces D1R hyperfunction in improving schizophrenia cognitive symptoms.
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Affiliation(s)
- Jie Jia
- Department of Physiology, School of Basic MedicineTongji Medical College, Huazhong University of Science and TechnologyWuhanChina
| | - Hualing Peng
- Department of Physiology, School of Basic MedicineTongji Medical College, Huazhong University of Science and TechnologyWuhanChina
| | - Rui Tian
- Department of Physiology, School of Basic MedicineTongji Medical College, Huazhong University of Science and TechnologyWuhanChina
| | - Hong Zhou
- Department of Physiology, School of Basic MedicineTongji Medical College, Huazhong University of Science and TechnologyWuhanChina
| | - Hua Zheng
- Department of Anesthesiology, Hubei Key Laboratory of Geriatric Anesthesia and Perioperative Brain Health, and Wuhan Clinical Research Center for Geriatric AnesthesiaTongji Hospital, Tongji Medical College, Huazhong University of Science and TechnologyWuhanChina
| | - Bo Liu
- Department of Otorhinolaryngology, Union HospitalTongji Medical College, Huazhong University of Science and TechnologyWuhanChina
| | - Yisheng Lu
- Department of Physiology, School of Basic MedicineTongji Medical College, Huazhong University of Science and TechnologyWuhanChina
- Institute of Brain Research, Collaborative Innovation Center for Brain ScienceHuazhong University of Science and TechnologyWuhanChina
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Avila-Luna A, Gálvez-Rosas A, Aguirre-Pérez A, Hidalgo-Bravo A, Alfaro-Rodriguez A, Ríos C, Arias-Montaño JA, Bueno-Nava A. Chronic H 3R activation reduces L-Dopa-induced dyskinesia, normalizes cortical GABA and glutamate levels, and increases striatal dopamine D 1R mRNA expression in 6-hydroxydopamine-lesioned male rats. Psychopharmacology (Berl) 2023; 240:1221-1234. [PMID: 37086286 DOI: 10.1007/s00213-023-06339-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Accepted: 02/09/2023] [Indexed: 04/23/2023]
Abstract
RATIONALE Dyskinesias induced by L-3,4-dihydroxyphenylalanine, L-Dopa (LIDs), are the major complication in the pharmacological treatment of Parkinson's disease. LIDs induce overactivity of the glutamatergic cortico-striatal projections, and drugs that reduce glutamatergic overactivity exert antidyskinetic actions. Chronic administration of immepip, agonist at histamine H3 receptors (H3R), reduces LIDs and diminishes GABA and glutamate content in striatal dialysates (Avila-Luna et al., Psychopharmacology 236: 1937-1948, 2019). OBJECTIVES AND METHODS In rats unilaterally lesioned with 6-hydroxydopamine in the substantia nigra pars compacta (SNc), we examined whether the chronic administration of immepip and their withdrawal modify LIDs, the effect of L-Dopa on glutamate and GABA content, and mRNA levels of dopamine D1 receptors (D1Rs) and H3Rs in the cerebral cortex and striatum. RESULTS The administration of L-Dopa for 21 days induced LIDs. This effect was accompanied by increased GABA and glutamate levels in the cerebral cortex ipsi and contralateral to the lesioned SNc, and immepip administration prevented (GABA) or reduced (glutamate) these actions. In the striatum, GABA content increased in the ipsilateral nucleus, an effect prevented by immepip. L-Dopa administration had no significant effects on striatal glutamate levels. In lesioned and L-Dopa-treated animals, D1R mRNA decreased in the ipsilateral striatum, an effect prevented by immepip administration. CONCLUSIONS Our results indicate that chronic H3R activation reduces LIDs and the overactivity of glutamatergic cortico-striatal projections, providing further evidence for an interaction between D1Rs and H3Rs in the cortex and striatum under normal and pathological conditions.
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Affiliation(s)
- Alberto Avila-Luna
- Coordinación de Neurociencias Básicas, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, SSa, Calzada México-Xochimilco 289, Arenal de Guadalupe, Ciudad de México, 14389, México
- Laboratorio de Neurofisiología Química de la Discapacidad, Coordinación de Neurociencias Básicas, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, SSa, Calz. México-Xochimilco 289, Arenal de Guadalupe, Ciudad de México, 14389, México
| | - Arturo Gálvez-Rosas
- Coordinación de Neurociencias Básicas, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, SSa, Calzada México-Xochimilco 289, Arenal de Guadalupe, Ciudad de México, 14389, México
- Laboratorio de Neurofisiología Química de la Discapacidad, Coordinación de Neurociencias Básicas, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, SSa, Calz. México-Xochimilco 289, Arenal de Guadalupe, Ciudad de México, 14389, México
| | - Alexander Aguirre-Pérez
- Laboratorio de Neurofisiología Química de la Discapacidad, Coordinación de Neurociencias Básicas, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, SSa, Calz. México-Xochimilco 289, Arenal de Guadalupe, Ciudad de México, 14389, México
| | - Alberto Hidalgo-Bravo
- Departamento de Medicina Genómica, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, SSa, Calzada México-Xochimilco 289, Arenal de Guadalupe, Ciudad de México, 14389, México
| | - Alfonso Alfaro-Rodriguez
- Coordinación de Neurociencias Básicas, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, SSa, Calzada México-Xochimilco 289, Arenal de Guadalupe, Ciudad de México, 14389, México
| | - Camilo Ríos
- Coordinación de Neurociencias Básicas, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, SSa, Calzada México-Xochimilco 289, Arenal de Guadalupe, Ciudad de México, 14389, México
- Departamento de Neuroquímica, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, SSa, Insurgentes Sur 3877, La Fama, Ciudad de México, 14269, México
- Laboratorio de Neurofarmacología Molecular, Departamento de Sistemas Biológicos, Universidad Autónoma Metropolitana, Unidad Xochimilco, Calzada del Hueso 1100, Col. Villa Quietud, Ciudad de México, 04960, México
| | - José-Antonio Arias-Montaño
- Departamento de Fisiología, Biofísica y Neurociencias, Centro de Investigación y de Estudios Avanzados del IPN, Av. IPN 2508, Zacatenco, Ciudad de México, 07360, México
| | - Antonio Bueno-Nava
- Coordinación de Neurociencias Básicas, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, SSa, Calzada México-Xochimilco 289, Arenal de Guadalupe, Ciudad de México, 14389, México.
- Laboratorio de Neurofisiología Química de la Discapacidad, Coordinación de Neurociencias Básicas, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, SSa, Calz. México-Xochimilco 289, Arenal de Guadalupe, Ciudad de México, 14389, México.
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Witt KM, Harper DN, Ellenbroek BA. Dopamine D1 receptor and effort-based decision making in rats: The moderating effect of sex. Prog Neuropsychopharmacol Biol Psychiatry 2023; 120:110651. [PMID: 36191805 DOI: 10.1016/j.pnpbp.2022.110651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Revised: 09/26/2022] [Accepted: 09/27/2022] [Indexed: 11/18/2022]
Abstract
Dopamine is a modulating factor in effort-based decision-making, and emerging evidence from pharmacological research suggests that the dopamine D1 receptor is the primary regulator. Given the limited selectivity of pharmacological tools, we further explored this hypothesis using dopamine D1 mutant (DAD1-/-) rats which have a specific genetic reduction in functional D1 receptors. Moreover, given the strong focus on males in neuroscience research in general and in the role of D1 receptors in effort-based learning, we compared both sexes in the present study. Adult male and female DAD1-/- mutant rats and wild type controls were trained to press a lever for a reinforcer. Once trained, subjects completed multiple fixed ratio, progressive ratio, and operant effort-choice (concurrent progressive ratio/chow feeding task [PROG/chow]) experiments. We predicted that DAD1-/- mutant rats would press the lever significantly less than controls across all experiments, have lower breakpoints, and consume more freely available food. As predicted, DAD1-/- mutant rats (regardless of sex) pressed the lever significantly less than controls and had lower breakpoints. Interestingly, there was a sex * genotype interaction for acquisition rates of lever pressing and change in breakpoints with free food available. Only 31% of DAD1-/- mutant males acquired lever pressing while 73% of DAD1-/- mutant females acquired lever pressing. Additionally, DAD1-/- mutant males had significantly larger decreases in breakpoints when free food was available. These findings extend the pharmacological research suggesting that the dopamine D1 receptor modulates decisions based on effort, which has implications for the development of treatment targeting amotivation in neuropsychiatric disorders. The sex * genotype interaction highlights the importance of including both sexes in future research, especially when there are sex differences in incidences and severity of neuropsychiatric disorders.
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Affiliation(s)
- Kate M Witt
- Behavioural Neurogenetics Group, Victoria University of Wellington, PO Box 600, Wellington, New Zealand
| | - David N Harper
- Behavioural Neurogenetics Group, Victoria University of Wellington, PO Box 600, Wellington, New Zealand
| | - Bart A Ellenbroek
- Behavioural Neurogenetics Group, Victoria University of Wellington, PO Box 600, Wellington, New Zealand.
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Zhang J, Li J, Liu C, Gui H, Yuan C, Zhang Y. The role of intracerebral dopamine D1 and D2 receptors in sleep-wake cycles and general anesthesia. Ibrain 2022; 8:48-54. [PMID: 37786416 PMCID: PMC10528804 DOI: 10.1002/ibra.12024] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Revised: 01/25/2022] [Accepted: 01/25/2022] [Indexed: 10/04/2023]
Abstract
Dopamine (DA), a monoamine neurotransmitter, is synthesized and released mainly by neurons in the ventral tegmental area and the substantia nigra (SN) pars compacta of the midbrain. DA and its receptors are essential for the regulation of arousal, movement, cognition, reward, and other neurobiological behaviors. Arousal, locomotion, cognition, reward, and other neurobiological functions are all regulated by dopamine and its receptors. Dopamine receptors can be divided into D1-like receptors (including D1 and D5) or D2-like receptors (containing D2, D3, and D4), with D1 and D2 receptors (D1Rs, and D2Rs) being the most important. Currently, studies indicated that D1Rs and D2Rs are tightly involved with the process of sleep-wake and general anesthesia, but the specific mechanism remains unclear. In this review, we compiled the most recent findings, mainly focusing on the structure, distribution, and signal pathway of D1Rs and D2Rs in the central nervous system, as well as the involvement of D1Rs and D2Rs in sleep-wake and general anesthesia. Thus, the investigations of the D1Rs and D2Rs will benefit not only better knowledge for how sleep-wake control works but also the mechanism of general anesthesia.
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Affiliation(s)
- Jie Zhang
- The Second Affiliated Hospital of Zunyi Medical UniversityZunyiChina
- Guizhou Key Laboratory of Anesthesia and Organ ProtectionZunyi Medical UniversityZunyiChina
- School of AnesthesiologyZunyi Medical UniversityZunyiChina
| | - Jia Li
- Guizhou Key Laboratory of Anesthesia and Organ ProtectionZunyi Medical UniversityZunyiChina
- School of AnesthesiologyZunyi Medical UniversityZunyiChina
| | - Cheng‐Xi Liu
- Guizhou Key Laboratory of Anesthesia and Organ ProtectionZunyi Medical UniversityZunyiChina
- School of AnesthesiologyZunyi Medical UniversityZunyiChina
| | - Huan Gui
- Guizhou Key Laboratory of Anesthesia and Organ ProtectionZunyi Medical UniversityZunyiChina
- School of AnesthesiologyZunyi Medical UniversityZunyiChina
| | - Cheng‐Dong Yuan
- The Second Affiliated Hospital of Zunyi Medical UniversityZunyiChina
- Guizhou Key Laboratory of Anesthesia and Organ ProtectionZunyi Medical UniversityZunyiChina
- School of AnesthesiologyZunyi Medical UniversityZunyiChina
| | - Yi Zhang
- The Second Affiliated Hospital of Zunyi Medical UniversityZunyiChina
- Guizhou Key Laboratory of Anesthesia and Organ ProtectionZunyi Medical UniversityZunyiChina
- School of AnesthesiologyZunyi Medical UniversityZunyiChina
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Abstract
Restless Legs Syndrome (RLS) is a sensorimotor disorder that severely affects sleep. It is characterized by an urge to move the legs that is often accompanied by periodic limb movements during sleep (PLMS). RLS has a high prevalence in the population and is usually a life-long condition. While its origins remain unclear, RLS is initially highly responsive to treatment with dopaminergics that target the D3 receptor. However, over time patients often develop a gradual tolerance that can lead to the emergence of adverse effects and the augmentation of the symptoms. While the basal ganglia and the striatum control leg movements, the lumbar spinal cord is the gateway for the sensory processing of the symptoms and critical for the associated leg movements. D3 receptors are highly expressed in nucleus accumbens (NAc) of the striatum and the sensory-processing areas of the spinal dorsal horn. In contrast, D1 receptors are strongly expressed throughout the entire striatum and in the ventral horn of the spinal cord. Long-term treatment with D3 receptor full agonists is associated with an upregulation of the D1 receptor subtype, and D3 and D1 receptors can form functional heteromers, in which the D3R controls the D1R function. It is conceivable that the switch from beneficial treatment to augmentation observed in RLS patients after prolonged D3R agonist exposure may be the result of unmasked D1-like receptor actions.
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Affiliation(s)
- Stefan Clemens
- Department of Physiology, Brody School of Medicine, East Carolina University, Greenville, NC, USA.
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Dong Z, Zhang G, Xiang S, Jiang C, Chen Z, Li Y, Huang B, Zhou W, Lian Q, Wu B. The Antagonism of Corticotropin-Releasing Factor Receptor-1 in Brain Suppress Stress-Induced Propofol Self-Administration in Rats. Front Behav Neurosci 2021; 15:775209. [PMID: 34924971 PMCID: PMC8674615 DOI: 10.3389/fnbeh.2021.775209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Accepted: 10/22/2021] [Indexed: 11/22/2022] Open
Abstract
Propofol addiction has been detected in humans and rats, which may be facilitated by stress. Corticotropin-releasing factor acts through the corticotropin-releasing factor (CRF) receptor-1 (CRF1R) and CRF2 receptor-2 (CRF2R) and is a crucial candidate target for the interaction between stress and drug abuse, but its role on propofol addiction remains unknown. Tail clip stressful stimulation was performed in rats to test the stress on the establishment of the propofol self-administration behavioral model. Thereafter, the rats were pretreated before the testing session at the bilateral lateral ventricle with one of the doses of antalarmin (CRF1R antagonist, 100–500 ng/site), antisauvagine 30 (CRF2R antagonist, 100–500 ng/site), and RU486 (glucocorticoid receptor antagonist, 100–500 ng/site) or vehicle. The dopamine D1 receptor (D1R) in the nucleus accumbens (NAc) was detected to explore the underlying molecular mechanism. The sucrose self-administration establishment and maintenance, and locomotor activities were also examined to determine the specificity. We found that the establishment of propofol self-administration was promoted in the tail clip treated group (the stress group), which was inhibited by antalarmin at the dose of 100–500 ng/site but was not by antisauvagine 30 or RU486. Accordingly, the expression of D1R in the NAc was attenuated by antalarmin, dose-dependently. Moreover, pretreatments fail to change sucrose self-administration behavior or locomotor activities. This study supports the role of CRF1R in the brain in mediating the central reward processing through D1R in the NAc and provided a possibility that CRF1R antagonist may be a new therapeutic approach for the treatment of propofol addiction.
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Affiliation(s)
- Zhanglei Dong
- Department of Anesthesiology, Perioperative and Pain Medicine, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Gaolong Zhang
- Department of Anesthesiology, Perioperative and Pain Medicine, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Saiqiong Xiang
- Department of Anesthesiology, Perioperative and Pain Medicine, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Chenchen Jiang
- Clinical Research Unit, The Second Affiliated and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Zhichuan Chen
- Department of Anesthesiology, Perioperative and Pain Medicine, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China.,Medical School, Institution of Reproductive Medicine, Nantong University, Nantong, China
| | - Yan Li
- Department of Neurology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Bingwu Huang
- Department of Anesthesiology, Perioperative and Pain Medicine, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Wenhua Zhou
- Zhejiang Provincial Key Lab of Addiction, Ningbo Kangning Hospital, School of Medicine, Ningbo Universtiy, Ningbo, China
| | - Qingquan Lian
- Department of Anesthesiology, Perioperative and Pain Medicine, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Binbin Wu
- Department of Anesthesiology, Perioperative and Pain Medicine, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
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10
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Lançon K, Qu C, Navratilova E, Porreca F, Séguéla P. Decreased dopaminergic inhibition of pyramidal neurons in anterior cingulate cortex maintains chronic neuropathic pain. Cell Rep 2021; 37:109933. [PMID: 34852233 PMCID: PMC8728690 DOI: 10.1016/j.celrep.2021.109933] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 07/02/2021] [Accepted: 10/13/2021] [Indexed: 12/20/2022] Open
Abstract
Pyramidal neurons in the anterior cingulate cortex (ACC), a prefrontal region involved in processing the affective components of pain, display hyperexcitability in chronic neuropathic pain conditions, and their silencing abolishes hyperalgesia. We show that dopamine, through D1 receptor (D1R) signaling, inhibits pyramidal neurons of mouse ACC by modulation of hyperpolarization-activated cyclic nucleotide-gated (HCN) channels. Activation of Gs-coupled D1R by dopamine induces the opening of HCN channels at physiological membrane potentials, driving a significant decrease in input resistance and excitability. Systemic L-DOPA in chronic neuropathic mice rescues HCN channel activity, normalizes pyramidal excitability in ACC, and blocks mechanical and thermal allodynia. Moreover, microinjection of a selective D1R agonist in the ACC relieves the aversiveness of ongoing neuropathic pain, while an ACC D1R antagonist blocks gabapentin- and lidocaine-evoked antinociception. We conclude that dopaminergic inhibition via D1R in ACC plays an analgesic role in physiological conditions and is decreased in chronic pain.
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Affiliation(s)
- Kevin Lançon
- Montréal Neurological Institute, Department of Neurology & Neurosurgery, Alan Edwards Centre for Research on Pain, McGill University, Montréal, QC H3A 2B4, Canada
| | - Chaoling Qu
- Department of Pharmacology, Arizona Health Sciences Center, University of Arizona, Tucson, AZ 85721, USA
| | - Edita Navratilova
- Department of Pharmacology, Arizona Health Sciences Center, University of Arizona, Tucson, AZ 85721, USA
| | - Frank Porreca
- Department of Pharmacology, Arizona Health Sciences Center, University of Arizona, Tucson, AZ 85721, USA
| | - Philippe Séguéla
- Montréal Neurological Institute, Department of Neurology & Neurosurgery, Alan Edwards Centre for Research on Pain, McGill University, Montréal, QC H3A 2B4, Canada.
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11
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Jiang A, Wang L, Lu JYD, Freeman A, Campbell C, Su P, Wong AHC, Liu F. Sex Differences in Dopamine Receptor Signaling in Fmr1 Knockout Mice: A Pilot Study. Brain Sci 2021; 11:brainsci11111398. [PMID: 34827397 PMCID: PMC8615700 DOI: 10.3390/brainsci11111398] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Revised: 10/15/2021] [Accepted: 10/21/2021] [Indexed: 12/02/2022] Open
Abstract
Fragile X syndrome (FXS) is an X-chromosome-linked dominant genetic disorder that causes a variable degree of cognitive dysfunction and developmental disability. Current treatment is symptomatic and no existing medications target the specific cause of FXS. As with other X-linked disorders, FXS manifests differently in males and females, including abnormalities in the dopamine system that are also seen in Fmr1-knockout (KO) mice. We investigated sex differences in dopamine signaling in Fmr1-KO mice in response to L-stepholidine, a dopamine D1 receptor agonist and D2 receptor antagonist. We found significant sex differences in basal levels of phosphorylated protein kinase A (p-PKA) and glycogen synthase kinase (GSK)-3β in wild type mice that were absent in Fmr1-KO mice. In wild-type mice, L-stepholidine increased p-PKA in males but not female mice, decreased p-GSK-3 in female mice and increased p-GSK-3 in male mice. Conversely, in Fmr1-KO mice, L-stepholidine increased p-PKA and p-GSK-3β in females, and decreased p-PKA and p-GSK-3β in males.
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Affiliation(s)
- Anlong Jiang
- Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON M5T 1R8, Canada; (A.J.); (L.W.); (J.Y.D.L.); (A.F.); (C.C.); (P.S.); (A.H.C.W.)
| | - Le Wang
- Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON M5T 1R8, Canada; (A.J.); (L.W.); (J.Y.D.L.); (A.F.); (C.C.); (P.S.); (A.H.C.W.)
| | - Justin Y. D. Lu
- Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON M5T 1R8, Canada; (A.J.); (L.W.); (J.Y.D.L.); (A.F.); (C.C.); (P.S.); (A.H.C.W.)
| | - Amy Freeman
- Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON M5T 1R8, Canada; (A.J.); (L.W.); (J.Y.D.L.); (A.F.); (C.C.); (P.S.); (A.H.C.W.)
| | - Charlie Campbell
- Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON M5T 1R8, Canada; (A.J.); (L.W.); (J.Y.D.L.); (A.F.); (C.C.); (P.S.); (A.H.C.W.)
| | - Ping Su
- Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON M5T 1R8, Canada; (A.J.); (L.W.); (J.Y.D.L.); (A.F.); (C.C.); (P.S.); (A.H.C.W.)
| | - Albert H. C. Wong
- Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON M5T 1R8, Canada; (A.J.); (L.W.); (J.Y.D.L.); (A.F.); (C.C.); (P.S.); (A.H.C.W.)
- Department of Pharmacology, University of Toronto, Toronto, ON M5S 1A8, Canada
- Institute of Medical Science, University of Toronto, Toronto, ON M5S 1A8, Canada
- Department of Psychiatry, University of Toronto, Toronto, ON M5T 1R8, Canada
| | - Fang Liu
- Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON M5T 1R8, Canada; (A.J.); (L.W.); (J.Y.D.L.); (A.F.); (C.C.); (P.S.); (A.H.C.W.)
- Institute of Medical Science, University of Toronto, Toronto, ON M5S 1A8, Canada
- Department of Psychiatry, University of Toronto, Toronto, ON M5T 1R8, Canada
- Department of Physiology, University of Toronto, Toronto, ON M5S 1A8, Canada
- Correspondence:
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12
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Kawahara Y, Ohnishi YN, Ohnishi YH, Kawahara H, Nishi A. Distinct Role of Dopamine in the PFC and NAc During Exposure to Cocaine-Associated Cues. Int J Neuropsychopharmacol 2021; 24:988-1001. [PMID: 34626116 PMCID: PMC8653875 DOI: 10.1093/ijnp/pyab067] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 09/29/2021] [Accepted: 10/05/2021] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Dopamine neurotransmission plays a critical role in reward in drug abuse and drug addiction. However, the role of dopamine in the recognition of drug-associated environmental stimuli, retrieval of drug-associated memory, and drug-seeking behaviors is not fully understood. METHODS Roles of dopamine neurotransmission in the prefrontal cortex (PFC) and nucleus accumbens (NAc) in the cocaine-conditioned place preference (CPP) paradigm were evaluated using in vivo microdialysis. RESULTS In mice that had acquired cocaine CPP, dopamine levels in the PFC, but not in the NAc, increased in response to cocaine-associated cues when mice were placed in the cocaine chamber of an apparatus with 2 separated chambers. The induction of the dopamine response and the development of cocaine CPP were mediated through activation of glutamate NMDA (N-methyl-D-aspartate)/AMPA (α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid) receptor signaling in the PFC during conditioning. Activation of dopamine D1 or D2 receptor signaling in the PFC was required for cocaine-induced locomotion, but not for the induction of the dopamine response or the development of cocaine CPP. Interestingly, dopamine levels in the NAc increased in response to cocaine-associated cues when mice were placed at the center of an apparatus with 2 connected chambers, which requires motivated exploration associated with cocaine reward. CONCLUSIONS Dopamine neurotransmission in the PFC is activated by the exposure to the cocaine-associated cues, whereas dopamine neurotransmission in the NAc is activated in a process of motivated exploration of cues associated with cocaine reward. Furthermore, the glutamate signaling cascade in the PFC is suggested to be a potential therapeutic target to prevent the progression of drug addiction.
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Affiliation(s)
- Yukie Kawahara
- Department of Pharmacology, Kurume University School of Medicine, Kurume, Japan,Department of Dental Anesthesiology, Tsurumi University School of Dental Medicine, Yokohama, Japan,Correspondence: Yukie Kawahara, DDS, PhD, 67 Asahi-machi, Kurume, Fukuoka 830-0011, Japan ()
| | - Yoshinori N Ohnishi
- Department of Pharmacology, Kurume University School of Medicine, Kurume, Japan
| | - Yoko H Ohnishi
- Department of Pharmacology, Kurume University School of Medicine, Kurume, Japan
| | - Hiroshi Kawahara
- Department of Pharmacology, Kurume University School of Medicine, Kurume, Japan
| | - Akinori Nishi
- Department of Pharmacology, Kurume University School of Medicine, Kurume, Japan
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13
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Barret O, Zhang L, Alagille D, Constantinescu CC, Sandiego C, Papin C, Sullivan JM, Morley T, Carroll VM, Seibyl J, Chen J, Lee C, Villalobos A, Gray D, McCarthy TJ, Tamagnan G. Dopamine D 1 Receptor Agonist PET Tracer Development: Assessment in Nonhuman Primates. J Nucl Med 2021; 62:1307-1313. [PMID: 33579806 DOI: 10.2967/jnumed.120.256008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Accepted: 12/22/2020] [Indexed: 11/16/2022] Open
Abstract
Non-catechol-based high-affinity selective dopamine D1 receptor (D1R) agonists were recently described, and candidate PET ligands were selected on the basis of favorable properties. The objective of this study was to characterize in vivo in nonhuman primates 2 novel D1R agonist PET radiotracers, racemic 18F-MNI-800 and its more active atropisomeric (-)-enantiomer, 18F-MNI-968. Methods: Ten brain PET experiments were conducted with 18F-MNI-800 on 2 adult rhesus macaques and 2 adult cynomolgus macaques, and 8 brain PET experiments were conducted with 18F-MNI-968 on 2 adult rhesus macaques and 2 adult cynomolgus macaques. PET data were analyzed with both plasma-input-based methods and reference-region-based methods. Whole-body PET images were acquired with 18F-MNI-800 from 2 adult rhesus macaques for radiation dosimetry estimates. Results: 18F-MNI-800 and 18F-MNI-968 exhibited regional uptake consistent with D1R distribution. Specificity and selectivity were demonstrated by dose-dependent blocking with the D1 antagonist SCH-23390. 18F-MNI-968 showed a 30% higher specific signal than 18F-MNI-800, with a nondisplaceable binding potential of approximately 0.3 in the cortex and approximately 1.1 in the striatum. Dosimetry radiation exposure was favorable, with an effective dose of about 0.023 mSv/MBq. Conclusion: 18F-MNI-968 has significant potential as a D1R agonist PET radiotracer, and further characterization in human subjects is warranted.
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Affiliation(s)
- Olivier Barret
- Invicro, LLC, New Haven, Connecticut; .,Université Paris-Saclay, CEA, CNRS, MIRCen, Laboratoire des Maladies Neurodégénératives, Fontenay-aux-Roses, France
| | - Lei Zhang
- Medicine Design, Medicinal Chemistry, Pfizer Inc., Cambridge, Massachusetts
| | - David Alagille
- Invicro, LLC, New Haven, Connecticut.,Xing Imaging, New Haven, Connecticut
| | | | | | | | | | | | | | | | - Jianqing Chen
- Digital Medicine and Imaging, Early Clinical Development, Pfizer Inc., Cambridge, Massachusetts; and
| | - Chewah Lee
- Medicine Design, Medicinal Chemistry, Pfizer Inc., Cambridge, Massachusetts
| | | | - David Gray
- Medicine Design, Medicinal Chemistry, Pfizer Inc., Cambridge, Massachusetts.,Cerevel Therapeutics, Boston, Massachusetts
| | - Timothy J McCarthy
- Digital Medicine and Imaging, Early Clinical Development, Pfizer Inc., Cambridge, Massachusetts; and
| | - Gilles Tamagnan
- Invicro, LLC, New Haven, Connecticut.,Xing Imaging, New Haven, Connecticut
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14
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Abi-Dargham A, Javitch JA, Slifstein M, Anticevic A, Calkins ME, Cho YT, Fonteneau C, Gil R, Girgis R, Gur RE, Gur RC, Grinband J, Kantrowitz J, Kohler C, Krystal J, Murray J, Ranganathan M, Santamauro N, Van Snellenberg J, Tamayo Z, Wolf D, Gray D, Lieberman J. Dopamine D1R Receptor Stimulation as a Mechanistic Pro-cognitive Target for Schizophrenia. Schizophr Bull 2021; 48:199-210. [PMID: 34423843 PMCID: PMC8781338 DOI: 10.1093/schbul/sbab095] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Decades of research have highlighted the importance of optimal stimulation of cortical dopaminergic receptors, particularly the D1R receptor (D1R), for prefrontal-mediated cognition. This mechanism is particularly relevant to the cognitive deficits in schizophrenia, given the abnormalities in cortical dopamine (DA) neurotransmission and in the expression of D1R. Despite the critical need for D1R-based therapeutics, many factors have complicated their development and prevented this important therapeutic target from being adequately interrogated. Challenges include determination of the optimal level of D1R stimulation needed to improve cognitive performance, especially when D1R expression levels, affinity states, DA levels, and the resulting D1R occupancy by DA, are not clearly known in schizophrenia, and may display great interindividual and intraindividual variability related to cognitive states and other physiological variables. These directly affect the selection of the level of stimulation necessary to correct the underlying neurobiology. The optimal mechanism for stimulation is also unknown and could include partial or full agonism, biased agonism, or positive allosteric modulation. Furthermore, the development of D1R targeting drugs has been complicated by complexities in extrapolating from in vitro affinity determinations to in vivo use. Prior D1R-targeted drugs have been unsuccessful due to poor bioavailability, pharmacokinetics, and insufficient target engagement at tolerable doses. Newer drugs have recently become available, and these must be tested in the context of carefully designed paradigms that address methodological challenges. In this paper, we discuss how a better understanding of these challenges has shaped our proposed experimental design for testing a new D1R/D5R partial agonist, PF-06412562, renamed CVL-562.
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Affiliation(s)
- Anissa Abi-Dargham
- Department of Psychiatry, Stony Brook Renaissance School of Medicine, Stony Brook, NY, USA,Department of Psychiatry, New York State Psychaitric Institute, Columbia University, New York, NY, USA,Department of Psychiatry, Yale University, New Haven, CT, USA,Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA,Cerevel Therapeutics Research and Development, Boston, MA, USA,To whom correspondence should be addressed; Tel: +(631) 885-0814; e-mail:
| | - Jonathan A Javitch
- Department of Psychiatry, New York State Psychaitric Institute, Columbia University, New York, NY, USA
| | - Mark Slifstein
- Department of Psychiatry, Stony Brook Renaissance School of Medicine, Stony Brook, NY, USA
| | - Alan Anticevic
- Department of Psychiatry, Yale University, New Haven, CT, USA
| | - Monica E Calkins
- Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Youngsun T Cho
- Department of Psychiatry, Yale University, New Haven, CT, USA
| | - Clara Fonteneau
- Department of Psychiatry, Yale University, New Haven, CT, USA
| | - Roberto Gil
- Department of Psychiatry, Stony Brook Renaissance School of Medicine, Stony Brook, NY, USA
| | - Ragy Girgis
- Department of Psychiatry, New York State Psychaitric Institute, Columbia University, New York, NY, USA
| | - Raquel E Gur
- Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Ruben C Gur
- Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Jack Grinband
- Department of Psychiatry, New York State Psychaitric Institute, Columbia University, New York, NY, USA
| | - Joshua Kantrowitz
- Department of Psychiatry, New York State Psychaitric Institute, Columbia University, New York, NY, USA
| | - Christian Kohler
- Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - John Krystal
- Department of Psychiatry, Yale University, New Haven, CT, USA
| | - John Murray
- Department of Psychiatry, Yale University, New Haven, CT, USA
| | | | | | - Jared Van Snellenberg
- Department of Psychiatry, Stony Brook Renaissance School of Medicine, Stony Brook, NY, USA
| | - Zailyn Tamayo
- Department of Psychiatry, Yale University, New Haven, CT, USA
| | - Daniel Wolf
- Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | | | - David Gray
- Cerevel Therapeutics Research and Development, Boston, MA, USA
| | - Jeffrey Lieberman
- Department of Psychiatry, New York State Psychaitric Institute, Columbia University, New York, NY, USA
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15
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Servonnet A, Allain F, Gravel-Chouinard A, Hernandez G, Bourdeau Caporuscio C, Legrix M, Lévesque D, Rompré PP, Samaha AN. Dopaminergic mechanisms underlying the expression of antipsychotic-induced dopamine supersensitivity in rats. Neuropharmacology 2021; 197:108747. [PMID: 34364897 DOI: 10.1016/j.neuropharm.2021.108747] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 07/23/2021] [Accepted: 08/03/2021] [Indexed: 10/20/2022]
Abstract
Antipsychotic treatment can produce a dopamine-supersensitive state, potentiating the response to dopamine receptor stimulation. In both schizophrenia patients and rats, this is linked to tolerance to ongoing antipsychotic treatment. In rodents, dopamine supersensitivity is often confirmed by an exaggerated psychomotor response to d-amphetamine after discontinuation of antipsychotic exposure. Here we examined in rats the dopaminergic mechanisms mediating this enhanced behavioural response, as this could uncover pathophysiological processes underlying the expression of antipsychotic-evoked dopamine supersensitivity. Rats received 0.5 mg/kg/day haloperidol via osmotic minipump for 2 weeks, before treatment was discontinued. After cessation of antipsychotic treatment, rats showed a supersensitive psychomotor response to the D2 agonist quinpirole, but not to the D1 partial agonist SKF38393 or the dopamine reuptake blocker GBR12783. Furthermore, acute D1 receptor blockade (using SCH39166) decreased the exaggerated psychomotor response to d-amphetamine in haloperidol-pretreated rats, whereas acute D2 receptor blockade (using sulpiride) enhanced it. Thus, after discontinuation of antipsychotic treatment, D1- and D2-mediated transmission differentially modulate the expression of a supersensitive response to d-amphetamine. This supersensitive behavioural response was accompanied by enhanced GSK3β activity and suppressed ERK1/2 activity in the nucleus accumbens (but not caudate-putamen), suggesting increased mesolimbic D2 transmission. Finally, after discontinuing haloperidol treatment, neither increasing ventral midbrain dopamine impulse flow nor infusing d-amphetamine into the cerebral ventricles triggered the expression of already established dopamine supersensitivity, suggesting that peripheral effects are required. Thus, while dopamine receptor-mediated signalling regulates the expression of antipsychotic-evoked dopamine supersensitivity, a simple increase in central dopamine neurotransmission is insufficient to trigger this supersensitivity.
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Affiliation(s)
- Alice Servonnet
- Department of Neurosciences, Faculty of Medicine, Université de Montréal, 2900 Edouard-Montpetit boulevard, Montreal, H3T 1J4, Quebec, Canada.
| | - Florence Allain
- Department of Pharmacology and Physiology, Faculty of Medicine, Université de Montréal, 2900 Edouard-Montpetit boulevard, Montreal, H3T 1J4, Quebec, Canada
| | - Alice Gravel-Chouinard
- Department of Neurosciences, Faculty of Medicine, Université de Montréal, 2900 Edouard-Montpetit boulevard, Montreal, H3T 1J4, Quebec, Canada
| | - Giovanni Hernandez
- Department of Neurosciences, Faculty of Medicine, Université de Montréal, 2900 Edouard-Montpetit boulevard, Montreal, H3T 1J4, Quebec, Canada; Faculty of Pharmacy, Université de Montréal, 2900 Edouard-Montpetit boulevard, Montreal, H3T 1J4, Quebec, Canada
| | - Casey Bourdeau Caporuscio
- Department of Pharmacology and Physiology, Faculty of Medicine, Université de Montréal, 2900 Edouard-Montpetit boulevard, Montreal, H3T 1J4, Quebec, Canada
| | - Mathilde Legrix
- Department of Neurosciences, Faculty of Medicine, Université de Montréal, 2900 Edouard-Montpetit boulevard, Montreal, H3T 1J4, Quebec, Canada
| | - Daniel Lévesque
- Faculty of Pharmacy, Université de Montréal, 2900 Edouard-Montpetit boulevard, Montreal, H3T 1J4, Quebec, Canada
| | - Pierre-Paul Rompré
- Department of Neurosciences, Faculty of Medicine, Université de Montréal, 2900 Edouard-Montpetit boulevard, Montreal, H3T 1J4, Quebec, Canada
| | - Anne-Noël Samaha
- Department of Pharmacology and Physiology, Faculty of Medicine, Université de Montréal, 2900 Edouard-Montpetit boulevard, Montreal, H3T 1J4, Quebec, Canada; Groupe de recherche sur le système nerveux central, Faculty of Medicine, Université de Montréal, 2900 Edouard-Montpetit boulevard, Montrea, H3T 1J4, Quebec, Canada.
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16
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Sugiyama K, Kuroiwa M, Shuto T, Ohnishi YN, Kawahara Y, Miyamoto Y, Fukuda T, Nishi A. Subregion-Specific Regulation of Dopamine D1 Receptor Signaling in the Striatum: Implication for L-DOPA-Induced Dyskinesia. J Neurosci 2021; 41:6388-6414. [PMID: 34131032 PMCID: PMC8318081 DOI: 10.1523/jneurosci.0373-21.2021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Revised: 06/02/2021] [Accepted: 06/07/2021] [Indexed: 11/21/2022] Open
Abstract
The striatum is the main structure of the basal ganglia. The striatum receives inputs from various cortical areas, and its subregions play distinct roles in motor and emotional functions. Recently, striatal maps based on corticostriatal connectivity and striosome-matrix compartmentalization were developed, and we were able to subdivide the striatum into seven subregions. Dopaminergic modulation of the excitability of medium spiny neurons (MSNs) is critical for striatal function. In this study, we investigated the functional properties of dopamine signaling in seven subregions of the striatum from male mice. By monitoring the phosphorylation of PKA substrates including DARPP-32 in mouse striatal slices, we identified two subregions with low D1 receptor signaling: the dorsolateral portion of the intermediate/rostral part (DL-IR) and the intermediate/caudal part (IC). Low D1 receptor signaling in the two subregions was maintained by phosphodiesterase (PDE)10A and muscarinic M4 receptors. In an animal model of 6-hydroxydopamine (6-OHDA)-induced hemi-parkinsonism, D1 receptor signaling was upregulated in almost all subregions including the DL-IR, but not in the IC. When L-DOPA-induced dyskinesia (LID) was developed, D1 receptor signaling in the IC was upregulated and correlated with the severity of LID. Our results suggest that the function of the striatum is maintained through the subregion-specific regulation of dopamine D1 receptor signaling and that the aberrant activation of D1 receptor signaling in the IC is involved in LID. Future studies focusing on D1 receptor signaling in the IC of the striatum will facilitate the development of novel therapeutics for LID.SIGNIFICANCE STATEMENT Recent progress in striatal mapping based on corticostriatal connectivity and striosome-matrix compartmentalization allowed us to subdivide the striatum into seven subregions. Analyses of D1 receptor signaling in the seven subregions identified two unique subregions with low D1 receptor signaling: the dorsolateral portion of the intermediate/rostral part (DL-IR) and the intermediate/caudal part (IC). Aberrant activation of D1 receptor signaling in the IC is involved in L-DOPA-induced dyskinesia (LID). Previous studies of LID have mainly focused on the DL-IR, but not on the IC of the striatum. Future studies to clarify aberrant D1 receptor signaling in the IC are required to develop novel therapeutics for LID.
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Affiliation(s)
- Keita Sugiyama
- Department of Pharmacology, Kurume University School of Medicine, Kurume, Fukuoka 830-0011, Japan
| | - Mahomi Kuroiwa
- Department of Pharmacology, Kurume University School of Medicine, Kurume, Fukuoka 830-0011, Japan
| | - Takahide Shuto
- Department of Pharmacology, Kurume University School of Medicine, Kurume, Fukuoka 830-0011, Japan
| | - Yoshinori N Ohnishi
- Department of Pharmacology, Kurume University School of Medicine, Kurume, Fukuoka 830-0011, Japan
| | - Yukie Kawahara
- Department of Pharmacology, Kurume University School of Medicine, Kurume, Fukuoka 830-0011, Japan
| | - Yuta Miyamoto
- Department of Anatomy and Neurobiology, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Kumamoto 860-8556, Japan
| | - Takaichi Fukuda
- Department of Anatomy and Neurobiology, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Kumamoto 860-8556, Japan
| | - Akinori Nishi
- Department of Pharmacology, Kurume University School of Medicine, Kurume, Fukuoka 830-0011, Japan
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17
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Wulaer B, Kunisawa K, Tanabe M, Yanagawa A, Saito K, Mouri A, Nabeshima T. Pharmacological blockade of dopamine D1- or D2-receptor in the prefrontal cortex induces attentional impairment in the object-based attention test through different neuronal circuits in mice. Mol Brain 2021; 14:43. [PMID: 33640003 PMCID: PMC7916264 DOI: 10.1186/s13041-021-00760-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2021] [Accepted: 02/19/2021] [Indexed: 11/12/2022] Open
Abstract
Dopamine is a key neurotransmitter that regulates attention through dopamine D1 and D2-receptors in the prefrontal cortex (PFC). We previously developed an object-based attention test (OBAT) to evaluate attention in mice. Disruption of the dopaminergic neuronal system in the PFC induced attentional impairment in the OBAT. However, previous studies have not systematically examined which specific brain regions are associated with the blockade of PFC dopamine D1 and D2-receptors in the OBAT. In this study, we investigated the association of dopamine D1 and D2-receptors in the PFC with attention and neuronal activity in diverse brain regions. We found that both dopamine D1 and D2-receptor antagonists induced attentional impairment in the OBAT by bilateral microinjection into the PFC of mice, suggesting that both dopamine D1 and D2-receptors were associated with attention in the OBAT. Our analysis of the neuronal activity as indicated by c-Fos expression in 11 different brain regions showed that based on the antagonist types, there was selective activation of several brain regions. Overall, this study suggests that both dopamine D1 and D2-receptors play a role in attention through different neuronal circuits in the PFC of mice.
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Affiliation(s)
- Bolati Wulaer
- Advanced Diagnostic System Research Laboratory, Aichi, Japan.,Department of Disease Control and Prevention, Aichi, Japan
| | - Kazuo Kunisawa
- Department of Regulatory Science for Evaluation & Development of Pharmaceuticals & Devices, Fujita Health University Graduate School of Health Science, 1-98 Dengakugakubo, Kutsukake-cho, Toyoake, Aichi, 470-192, Japan
| | - Moeka Tanabe
- Department of Regulatory Science for Evaluation & Development of Pharmaceuticals & Devices, Fujita Health University Graduate School of Health Science, 1-98 Dengakugakubo, Kutsukake-cho, Toyoake, Aichi, 470-192, Japan
| | - Aika Yanagawa
- Department of Regulatory Science for Evaluation & Development of Pharmaceuticals & Devices, Fujita Health University Graduate School of Health Science, 1-98 Dengakugakubo, Kutsukake-cho, Toyoake, Aichi, 470-192, Japan
| | - Kuniaki Saito
- Department of Disease Control and Prevention, Aichi, Japan.,Japanese Drug Organization of Appropriate Use and Research, Nagoya, Aichi, Japan
| | - Akihiro Mouri
- Department of Regulatory Science for Evaluation & Development of Pharmaceuticals & Devices, Fujita Health University Graduate School of Health Science, 1-98 Dengakugakubo, Kutsukake-cho, Toyoake, Aichi, 470-192, Japan. .,Japanese Drug Organization of Appropriate Use and Research, Nagoya, Aichi, Japan.
| | - Toshitaka Nabeshima
- Advanced Diagnostic System Research Laboratory, Aichi, Japan.,Japanese Drug Organization of Appropriate Use and Research, Nagoya, Aichi, Japan
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18
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Niu M, Kasai A, Seiriki K, Hayashida M, Tanuma M, Yokoyama R, Hirato Y, Hashimoto H. Altered Functional Connectivity of the Orbital Cortex and Striatum Associated with Catalepsy Induced by Dopamine D1 and D2 Antagonists. Biol Pharm Bull 2021; 44:442-447. [PMID: 33642553 DOI: 10.1248/bpb.b20-01006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The dopamine system plays an important role in regulating many brain functions, including the motor function. The blockade of dopamine receptors results in a serious motor dysfunction, such as catalepsy and Parkinsonism. However, the neuronal mechanism underlying the drug-induced motor dysfunction is not well understood. Here, we examine brain-wide activation patterns in Fos-enhanced green fluorescent protein reporter mice that exhibit cataleptic behavior induced by SCH39166, a dopamine D1-like receptor antagonist, and raclopride, a dopamine D2-like receptor antagonist. Support vector classifications showed that the orbital cortex (ORB) and striatum including the caudoputamen (CP) and nucleus accumbens (ACB), prominently contribute to the discrimination between brains of the vehicle-treated and both SCH39166- and raclopride-treated mice. Interregional correlations indicated that the increased functional connectivity of functional networks, including the ORB, CP, and ACB, is the common mechanism underlying SCH39166- and raclopride-induced cataleptic behavior. Moreover, the distinct mechanisms in the SCH39166- and raclopride-induced cataleptic behaviors are the decreased functional connectivity between three areas above and the cortical amygdala, and between three areas above and the anterior cingulate cortex, respectively. Thus, the alterations of functional connectivity in diverse brain regions, including the ORB, provide new insights on the mechanism underlying drug-induced movement disorders.
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Affiliation(s)
- Misaki Niu
- Laboratory of Molecular Neuropharmacology, Graduate School of Pharmaceutical Sciences, Osaka University
| | - Atsushi Kasai
- Laboratory of Molecular Neuropharmacology, Graduate School of Pharmaceutical Sciences, Osaka University
| | - Kaoru Seiriki
- Laboratory of Molecular Neuropharmacology, Graduate School of Pharmaceutical Sciences, Osaka University
- Institute for Transdisciplinary Graduate Degree Programs, Osaka University
| | - Misuzu Hayashida
- Laboratory of Molecular Neuropharmacology, Graduate School of Pharmaceutical Sciences, Osaka University
| | - Masato Tanuma
- Laboratory of Molecular Neuropharmacology, Graduate School of Pharmaceutical Sciences, Osaka University
| | - Rei Yokoyama
- Laboratory of Molecular Neuropharmacology, Graduate School of Pharmaceutical Sciences, Osaka University
| | - Yumi Hirato
- Laboratory of Molecular Neuropharmacology, Graduate School of Pharmaceutical Sciences, Osaka University
| | - Hitoshi Hashimoto
- Laboratory of Molecular Neuropharmacology, Graduate School of Pharmaceutical Sciences, Osaka University
- Open and Transdisciplinary Research Initiatives, Osaka University
- Department of Molecular Pharmaceutical Sciences, Graduate School of Medicine, Osaka University
- Molecular Research Center for Children's Mental Development, United Graduate School of Child Development, Osaka University, Kanazawa University, Hamamatsu University School of Medicine, Chiba University, and University of Fukui
- Division of Bioscience, Institute for Datability Science, Osaka University
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19
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Lanza K, Centner A, Coyle M, Del Priore I, Manfredsson FP, Bishop C. Genetic suppression of the dopamine D3 receptor in striatal D1 cells reduces the development of L-DOPA-induced dyskinesia. Exp Neurol 2020; 336:113534. [PMID: 33249031 DOI: 10.1016/j.expneurol.2020.113534] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 11/19/2020] [Accepted: 11/23/2020] [Indexed: 12/17/2022]
Abstract
Parkinson's Disease (PD) is symptomatically managed with L-DOPA but chronic use results in L-DOPA-induced dyskinesia (LID) characterized by abnormal involuntary movements (AIMs). In LID, dopamine D3 receptors (D3R) are upregulated on D1 receptor (D1R)-bearing medium spiny neurons where the can synergistically drive downstream signaling and motor behaviors. Despite evidence implying D1R-D3R cooperativity in LID, the dyskinesiogenic role of D3R has never been directly tested. To this end, we developed a specific cre-dependent microRNA (miRNA) to irreversibly prevent D3R upregulation in D1R striatal cells. D1-Cre rats received unilateral 6-hydroxydopamine lesions. Three weeks later, rats received an adeno-associated virus expressing either D3R miRNA or a scrambled (SCR) miRNA delivered into the striatum. After 4 weeks, rats received chronic L-DOPA (6 mg/kg) or vehicle. AIMs development and motor behaviors were assayed throughout treatment. At the conclusion of the experiment, efficacy and fidelity of the miRNA strategy was analyzed using in situ hybridization (ISH). ISH analyses demonstrated that D1R+/D3R+ cells were upregulated in LID and that the selective D3R miRNA reduced D1R+/D3R+ co-expression. Importantly, silencing of D3R also significantly attenuated LID development without impacting L-DOPA efficacy or other locomotion. These data highlight a dyskinesiogenic role of D3R within D1R cells in LID and highlight aberrant D1R-D3R interactions as targets of LID management.
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Affiliation(s)
- Kathryn Lanza
- Behavioral Neuroscience Program, Department of Psychology, Binghamton University - State University of New York, Binghamton, NY, USA.
| | - Ashley Centner
- Behavioral Neuroscience Program, Department of Psychology, Binghamton University - State University of New York, Binghamton, NY, USA
| | - Michael Coyle
- Behavioral Neuroscience Program, Department of Psychology, Binghamton University - State University of New York, Binghamton, NY, USA
| | - Isabella Del Priore
- Behavioral Neuroscience Program, Department of Psychology, Binghamton University - State University of New York, Binghamton, NY, USA
| | | | - Christopher Bishop
- Behavioral Neuroscience Program, Department of Psychology, Binghamton University - State University of New York, Binghamton, NY, USA
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20
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Sobczuk P, Łomiak M, Cudnoch-Jędrzejewska A. Dopamine D1 Receptor in Cancer. Cancers (Basel) 2020; 12:cancers12113232. [PMID: 33147760 PMCID: PMC7693420 DOI: 10.3390/cancers12113232] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 10/18/2020] [Accepted: 10/29/2020] [Indexed: 12/18/2022] Open
Abstract
Simple Summary Circulating hormones and their specific receptors play a significant role in the development and progression of various cancers. This review aimed to summarize current knowledge about the dopamine D1 receptor’s biological role in different cancers, including breast cancer, central nervous system tumors, lymphoproliferative disorders, and other neoplasms. Treatment with dopamine D1 receptor agonists was proven to exert a major anti-cancer effect in many preclinical models. We highlight this receptor’s potential as a target for the adjunct therapy of tumors and discuss possibilities and necessities for further research in this area. Abstract Dopamine is a biologically active compound belonging to catecholamines. It plays its roles in the human body, acting both as a circulating hormone and neurotransmitter. It acts through G-protein-coupled receptors divided into two subgroups: D1-like receptors (D1R and D5R) and D2-like receptors (D2R, D3R, D4R). Physiologically, dopamine receptors are involved in central nervous system functions: motivation or cognition, and peripheral actions such as blood pressure and immune response modulation. Increasing evidence indicates that the dopamine D1 receptor may play a significant role in developing different human neoplasms. This receptor’s value was presented in the context of regulating various signaling pathways important in tumor development, including neoplastic cell proliferation, apoptosis, autophagy, migration, invasiveness, or the enrichment of cancer stem cells population. Recent studies proved that its activation by selective or non-selective agonists is associated with significant tumor growth suppression, metastases prevention, and tumor microvasculature maturation. It may also exert a synergistic anti-cancer effect when combined with tyrosine kinase inhibitors or temozolomide. This review provides a comprehensive insight into the heterogeneity of dopamine D1 receptor molecular roles and signaling pathways in human neoplasm development and discusses possible perspectives of its therapeutic targeting as an adjunct anti-cancer strategy of treatment. We highlight the priorities for further directions in this research area.
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Affiliation(s)
- Paweł Sobczuk
- Department of Experimental and Clinical Physiology, Laboratory of Centre for Preclinical Research, Medical University of Warsaw, 02-097 Warsaw, Poland; (M.Ł.); (A.C.-J.)
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, 02-097 Warsaw, Poland
- Correspondence: ; Tel.: +48-221166113
| | - Michał Łomiak
- Department of Experimental and Clinical Physiology, Laboratory of Centre for Preclinical Research, Medical University of Warsaw, 02-097 Warsaw, Poland; (M.Ł.); (A.C.-J.)
| | - Agnieszka Cudnoch-Jędrzejewska
- Department of Experimental and Clinical Physiology, Laboratory of Centre for Preclinical Research, Medical University of Warsaw, 02-097 Warsaw, Poland; (M.Ł.); (A.C.-J.)
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21
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Yarur HE, Zegers J, Vega-Quiroga I, Novoa J, Ciruela F, Andres ME, Gysling K. Functional Interplay of Type-2 Corticotrophin Releasing Factor and Dopamine Receptors in the Basolateral Amygdala-Medial Prefrontal Cortex Circuitry. Int J Neuropsychopharmacol 2020; 24:221-228. [PMID: 33125479 PMCID: PMC7968619 DOI: 10.1093/ijnp/pyaa079] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 10/09/2020] [Accepted: 10/26/2020] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND Basolateral amygdala (BLA) excitatory projections to medial prefrontal cortex (PFC) play a key role controlling stress behavior, pain, and fear. Indeed, stressful events block synaptic plasticity at the BLA-PFC circuit. The stress responses involve the action of corticotrophin releasing factor (CRF) through type 1 and type 2 CRF receptors (CRF1 and CRF2). Interestingly, it has been described that dopamine receptor 1 (D1R) and CRF peptide have a modulatory role of BLA-PFC transmission. However, the participation of CRF1 and CRF2 receptors in BLA-PFC synaptic transmission still is unclear. METHODS We used in vivo microdialysis to determine dopamine and glutamate (GLU) extracellular levels in PFC after BLA stimulation. Immunofluorescence anatomical studies in rat PFC synaptosomes devoid of postsynaptic elements were performed to determine the presence of D1R and CRF2 receptors in synaptical nerve endings. RESULTS Here, we provide direct evidence of the opposite role that CRF receptors exert over dopamine extracellular levels in the PFC. We also show that D1R colocalizes with CRF2 receptors in PFC nerve terminals. Intra-PFC infusion of antisauvagine-30, a CRF2 receptor antagonist, increased PFC GLU extracellular levels induced by BLA activation. Interestingly, the increase in GLU release observed in the presence of antisauvagine-30 was significantly reduced by incubation with SCH23390, a D1R antagonist. CONCLUSION PFC CRF2 receptor unmasks D1R effect over glutamatergic transmission of the BLA-PFC circuit. Overall, CRF2 receptor emerges as a new modulator of BLA to PFC glutamatergic transmission, thus playing a potential role in emotional disorders.
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Affiliation(s)
- H E Yarur
- Department of Cellular and Molecular Biology, Faculty of Biological Sciences, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - J Zegers
- Department of Cellular and Molecular Biology, Faculty of Biological Sciences, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - I Vega-Quiroga
- Department of Cellular and Molecular Biology, Faculty of Biological Sciences, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - J Novoa
- Department of Cellular and Molecular Biology, Faculty of Biological Sciences, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - F Ciruela
- Unitat de Farmacologia, Departament Patologia i Terapèutica Experimental, Facultat de Medicina, IDIBELL, Universitat de Barcelona, L’Hospitalet de Llobregat, Barcelona, Spain,Institut de Neurociències, Universitat de Barcelona, Barcelona, Spain
| | - M E Andres
- Department of Cellular and Molecular Biology, Faculty of Biological Sciences, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - K Gysling
- Department of Cellular and Molecular Biology, Faculty of Biological Sciences, Pontificia Universidad Católica de Chile, Santiago, Chile,Correspondence: Katia Gysling, PhD, Department of Cellular and Molecular Biology, Faculty of Biological Sciences, Pontificia Universidad Católica de Chile, 8331150 Santiago, Chile ()
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22
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David O, Barrera I, Gould N, Gal-Ben-Ari S, Rosenblum K. D1 Dopamine Receptor Activation Induces Neuronal eEF2 Pathway-Dependent Protein Synthesis. Front Mol Neurosci 2020; 13:67. [PMID: 32499677 PMCID: PMC7242790 DOI: 10.3389/fnmol.2020.00067] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Accepted: 04/07/2020] [Indexed: 12/31/2022] Open
Abstract
Dopamine, alongside other neuromodulators, defines brain and neuronal states, inter alia through regulation of global and local mRNA translation. Yet, the signaling pathways underlying the effects of dopamine on mRNA translation and psychiatric disorders are not clear. In order to examine the molecular pathways downstream of dopamine receptors, we used genetic, pharmacologic, biochemical, and imaging methods, and found that activation of dopamine receptor D1 but not D2 leads to rapid dephosphorylation of eEF2 at Thr56 but not eIF2α in cortical primary neuronal culture in a time-dependent manner. NMDA receptor, mTOR, and ERK pathways are upstream of the D1 receptor-dependent eEF2 dephosphorylation and essential for it. Furthermore, D1 receptor activation resulted in a major reduction in dendritic eEF2 phosphorylation levels. D1-dependent eEF2 dephosphorylation results in an increase of BDNF and synapsin2b expression which was followed by a small yet significant increase in general protein synthesis. These results reveal the role of dopamine D1 receptor in the regulation of eEF2 pathway translation in neurons and present eEF2 as a promising therapeutic target for addiction and depression as well as other psychiatric disorders.
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Affiliation(s)
- Orit David
- Sagol Department of Neurobiology, University of Haifa, Haifa, Israel
| | - Iliana Barrera
- Sagol Department of Neurobiology, University of Haifa, Haifa, Israel.,School of Physiology, Pharmacology and Neuroscience, University of Bristol, Bristol, United Kingdom
| | - Nathaniel Gould
- Sagol Department of Neurobiology, University of Haifa, Haifa, Israel
| | | | - Kobi Rosenblum
- Sagol Department of Neurobiology, University of Haifa, Haifa, Israel.,Center for Gene Manipulation in the Brain, University of Haifa, Haifa, Israel
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23
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Mao Q, Qin WZ, Zhang A, Ye N. Recent advances in dopaminergic strategies for the treatment of Parkinson's disease. Acta Pharmacol Sin 2020; 41:471-82. [PMID: 32112042 DOI: 10.1038/s41401-020-0365-y] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Accepted: 01/13/2020] [Indexed: 12/19/2022] Open
Abstract
Parkinson's disease (PD) is the second most common progressive neurodegenerative disease worldwide. However, there is no available therapy reversing the neurodegenerative process of PD. Based on the loss of dopamine or dopaminergic dysfunction in PD patients, most of the current therapies focus on symptomatic relief to improve patient quality of life. As dopamine replacement treatment remains the most effective symptomatic pharmacotherapy for PD, herein we provide an overview of the current pharmacotherapies, summarize the clinical development status of novel dopaminergic agents, and highlight the challenge and opportunity of emerging preclinical dopaminergic approaches aimed at managing the features and progression of PD.
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24
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Wang CX, Ge XY, Wang MY, Ma T, Zhang Y, Lin Y. Dopamine D1 receptor-mediated activation of the ERK signaling pathway is involved in the osteogenic differentiation of bone mesenchymal stem cells. Stem Cell Res Ther 2020; 11:12. [PMID: 31900224 PMCID: PMC6942280 DOI: 10.1186/s13287-019-1529-x] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Revised: 12/06/2019] [Accepted: 12/11/2019] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND Osteogenic differentiation of bone mesenchymal stem cells (BMSCs) is regulated by numerous signaling pathways. Dopamine (DA), a neurotransmitter, has previously been demonstrated to induce new bone formation by stimulating the receptors on BMSCs, but the essential mediators of DA-induced osteogenic signaling remain unclear. METHODS In this work, we evaluated the influence of both dopamine D1 and D2 receptor activation on BMSC osteogenic differentiation. Gene and protein expression of osteogenic-related markers were tested. The direct binding of transcriptional factor, Runx2, to those markers was also investigated. Additionally, cellular differentiation-associated signaling pathways were evaluated. RESULTS We showed that the expression level of the D1 receptor on BMSCs increased during osteogenic differentiation. A D1 receptor agonist, similar to DA, induced the osteogenic differentiation of BMSCs, and this phenomenon was effectively inhibited by a D1 receptor antagonist or by D1 receptor knockdown. Furthermore, the suppression of protein kinase A (PKA), an important kinase downstream of the D1 receptor, successfully inhibited DA-induced BMSC osteogenic differentiation and decreased the phosphorylation of ERK1/2. Compared with P38, MAPK, and JNK, DA mainly induced the phosphorylation of ERK1/2 and led to the upregulation of Runx2 transcriptional activity, thus facilitating BMSC osteogenic differentiation. On the other hand, an ERK1/2 inhibitor could reverse these effects. CONCLUSIONS Taken together, these results suggest that ERK signaling may play an essential role in coordinating the DA-induced osteogenic differentiation of BMSCs by D1 receptor activation.
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Affiliation(s)
- Chen-Xi Wang
- Department of Implantology, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing, 100081, People's Republic of China
| | - Xi-Yuan Ge
- Central Laboratory, Peking University School and Hospital of Stomatology, Beijing, 100081, People's Republic of China
| | - Ming-Yue Wang
- Department of Implantology, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing, 100081, People's Republic of China
| | - Ting Ma
- Department of Implantology, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing, 100081, People's Republic of China
| | - Yu Zhang
- Department of Implantology, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing, 100081, People's Republic of China.
| | - Ye Lin
- Department of Implantology, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing, 100081, People's Republic of China.
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25
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Dobrovitsky V, West MO, Horvitz JC. The role of the nucleus accumbens in learned approach behavior diminishes with training. Eur J Neurosci 2019; 50:3403-3415. [PMID: 31340074 PMCID: PMC6848754 DOI: 10.1111/ejn.14523] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2019] [Revised: 06/10/2019] [Accepted: 07/05/2019] [Indexed: 01/17/2023]
Abstract
Nucleus accumbens dopamine plays a key role in reward-directed approach. Past findings suggest that dopamine's role in the expression of learned behavior diminishes with extended training. However, little is known about the central substrates that mediate the shift to dopamine-independent reward approach. In the present study, rats approached and inserted the head into a reward compartment in response to a cue signaling food delivery. On days 4 and 5 of 28-trial-per-day sessions, D1 receptor antagonist R(+)-7-chloro-8-hydroxy-3-methyl-1-phenyl-2,3,4,5-tetrahydro-1H-3-benzazepine hydrochloride (SCH23390) infused to the NAc core reduced the probability and speed of cued approach. The disruptive effect of D1 receptor blockade was specific to the nucleus accumbens core and not seen with drug infusions to nearby dopamine target regions. In rats that received drug infusions after extended training (days 10 or 11), accumbens core D1 receptor blockade produced little effect on the expression of the same behavior. These results could have been due to a continued accumbens mediation of cued approach even after the behavior had become independent of accumbens D1 receptors. However, accumbens core ionotropic glutamate receptor blockade disrupted cued approach during early but not late stages of training, similar to the effects of D1 antagonist infusions. The results suggest that with extended training, a nucleus accumbens D1-dependent behavior becomes less dependent not only on nucleus accumbens D1 transmission but also on excitatory transmission in the nucleus accumbens. These findings fill an important gap in a growing literature on reorganization of striatal function over the course of training.
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Affiliation(s)
- Veronica Dobrovitsky
- The Graduate Center, City University of New York, Program in Behavioral and Cognitive Neuroscience, NY, NY 10016; CCNY, Dept of Psychology NY, NY, 10031, USA
| | - Mark O. West
- Department of Psychology, Rutgers University, Piscataway, NJ, 08854, USA
| | - Jon C. Horvitz
- The Graduate Center, City University of New York, Program in Behavioral and Cognitive Neuroscience, NY, NY 10016; CCNY, Dept of Psychology NY, NY, 10031, USA
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26
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Yang W, Munhall AC, Johnson SW. AMP-activated protein kinase slows D2 dopamine autoreceptor desensitization in substantia nigra neurons. Neuropharmacology 2019; 158:107705. [PMID: 31301335 DOI: 10.1016/j.neuropharm.2019.107705] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Revised: 07/08/2019] [Accepted: 07/09/2019] [Indexed: 12/14/2022]
Abstract
Dopamine neurons in the substantia nigra zona compacta (SNC) are well known to express D2 receptors. When dopamine is released from somatodendritic sites, activation of D2 autoreceptors suppresses dopamine neuronal activity through activation of G protein-coupled K+ channels. AMP-activated protein kinase (AMPK) is a master enzyme that acts in somatic tissues to suppress energy expenditure and encourage energy production. We hypothesize that AMPK may also conserve energy in central neurons by reducing desensitization of D2 autoreceptors. We used whole-cell patch-clamp recordings to study the effects of AMPK activators and inhibitors on D2 autoreceptor-mediated current in SNC neurons in midbrain slices from rat pups (11-23 days post-natal). Slices were superfused with 100 μM dopamine or 30 μM quinpirole for 25 min, which evoked outward currents that decayed slowly over time. Although the AMPK activators A769662 and ZLN024 significantly slowed rundown of dopamine-evoked current, slowing of quinpirole-evoked current required the presence of a D1-like agonist (SKF38393). Moreover, the D1-like agonist also slowed the rundown of quinpirole-induced current even in the absence of an AMPK activator. Pharmacological antagonist experiments showed that the D1-like agonist effect required activation of either protein kinase A (PKA) or exchange protein directly activated by cAMP 2 (Epac2) pathways. In contrast, the effect of AMPK on rundown of current evoked by quinpirole plus SKF38393 required PKA but not Epac2. We conclude that AMPK slows D2 autoreceptor desensitization by augmenting the effect of D1-like receptors.
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27
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Felsing DE, Jain MK, Allen JA. Advances in Dopamine D1 Receptor Ligands for Neurotherapeutics. Curr Top Med Chem 2019; 19:1365-1380. [PMID: 31553283 DOI: 10.2174/1568026619666190712210903] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2019] [Revised: 04/04/2019] [Accepted: 04/07/2019] [Indexed: 12/15/2022]
Abstract
The dopamine D1 receptor (D1R) is essential for neurotransmission in various brain pathways where it modulates key functions including voluntary movement, memory, attention and reward. Not surprisingly, the D1R has been validated as a promising drug target for over 40 years and selective activation of this receptor may provide novel neurotherapeutics for neurodegenerative and neuropsychiatric disorders. Several pharmacokinetic challenges with previously identified small molecule D1R agonists have been recently overcome with the discovery and advancement of new ligands, including drug-like non-catechol D1R agonists and positive allosteric modulators. From this, several novel molecules and mechanisms have recently entered clinical studies. Here we review the major classes of D1R selective ligands including antagonists, orthosteric agonists, non-catechol biased agonists and positive allosteric modulators, highlighting their structure-activity relationships and medicinal chemistry. Recent chemistry breakthroughs and innovative approaches to selectively target and activate the D1R also hold promise for creating pharmacotherapy for several neurological diseases.
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Affiliation(s)
- Daniel E Felsing
- Department of Pharmacology and Toxicology, University of Texas Medical Branch, Galveston, Texas, 77555-0615, United States.,Center for Addiction Research, University of Texas Medical Branch, Galveston, Texas, 77555-0615, United States
| | - Manish K Jain
- Department of Pharmacology and Toxicology, University of Texas Medical Branch, Galveston, Texas, 77555-0615, United States.,Center for Addiction Research, University of Texas Medical Branch, Galveston, Texas, 77555-0615, United States
| | - John A Allen
- Department of Pharmacology and Toxicology, University of Texas Medical Branch, Galveston, Texas, 77555-0615, United States.,Center for Addiction Research, University of Texas Medical Branch, Galveston, Texas, 77555-0615, United States
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Abstract
The striatum is critically involved in value-based decision making. However, it is unclear how striatal direct and indirect pathways work together to make optimal choices in a dynamic and uncertain environment. Here, we examined the effects of selectively inactivating D1 receptor (D1R)- or D2 receptor (D2R)-expressing dorsal striatal neurons (corresponding to direct- and indirect-pathway neurons, respectively) on mouse choice behavior in a reversal task with progressively increasing reversal frequency and a dynamic two-armed bandit task. Inactivation of either D1R- or D2R-expressing striatal neurons impaired performance in both tasks, but the pattern of altered choice behavior differed between the two animal groups. A reinforcement learning model-based analysis indicated that inactivation of D1R- and D2R-expressing striatal neurons selectively impairs value-dependent action selection and value learning, respectively. Our results suggest differential contributions of striatal direct and indirect pathways to two distinct steps in value-based decision making.
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Affiliation(s)
- Shinae Kwak
- Center for Synaptic Brain Dysfunctions, Institute for Basic Science, Daejeon, Republic of Korea.,Department of Biological Sciences, Korea Advanced Institute of Science and Technology, Daejeon, Republic of Korea
| | - Min Whan Jung
- Center for Synaptic Brain Dysfunctions, Institute for Basic Science, Daejeon, Republic of Korea.,Department of Biological Sciences, Korea Advanced Institute of Science and Technology, Daejeon, Republic of Korea
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Svensson KA, Hao J, Bruns RF. Positive allosteric modulators of the dopamine D1 receptor: A new mechanism for the treatment of neuropsychiatric disorders. Adv Pharmacol 2019; 86:273-305. [PMID: 31378255 DOI: 10.1016/bs.apha.2019.06.001] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The dopamine D1 receptor plays an important role in motor activity, reward, and cognition. Efforts to develop D1 agonists have been mixed due to poor drug-like properties, tachyphylaxis, and inverted U-shaped dose-response curves. Recently, positive allosteric modulators (PAMs) for the dopamine D1 receptor were discovered and initial pharmacological profiling has suggested that several of the above issues could be addressed with this mechanism. This paper presents an overview of key findings for DETQ (2-(2,6-dichlorophenyl)-1-((1S,3R)-3-(hydroxymethyl)-5-(2-hydroxypropan-2-yl)-1-methyl-3,4-dihydroisoquinolin-2(1H)-yl)ethan-1-one), which is currently the only D1 PAM for which published in vivo data is available. In vitro studies showed selective potentiation of the human D1 receptor without significant allosteric agonist effects. Due to a species difference in affinity for DETQ, transgenic mice expressing the human D1 receptor (hD1 mice) were used in vivo. In contrast to D1 agonists, DETQ increased locomotor activity over a wide dose-range without inverted U-shaped dose response or tachyphylaxis. DETQ also reversed hypo-activity in mice with dopamine depletion due to reserpine pretreatment, suggesting potential for treatment of motor symptoms in Parkinson's disease. Potential pro-cognitive effects were supported by improved performance in the novel object recognition task, enhanced release of cortical acetylcholine and histamine, and increased phosphorylation of the AMPA receptor (GluR1) and the transcription factor CREB. In addition, DETQ enhanced wakefulness in EEG studies and decreased immobility in the forced-swim test. Together, these results provide support for potential utility of D1 PAMs in the treatment of several neuropsychiatric disorders. LY3154207, a close analog of DETQ, is currently in phase 2 clinical trials.
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Affiliation(s)
- Kjell A Svensson
- Neuroscience Discovery, Lilly Research Laboratories, Eli Lilly & Co, Lilly Corporate Center, Indianapolis, IN, United States.
| | - Junliang Hao
- Discovery Chemistry and Research Technologies, Lilly Research Laboratories, Eli Lilly & Co, Lilly Corporate Center, Indianapolis, IN, United States
| | - Robert F Bruns
- Discovery Chemistry and Research Technologies, Lilly Research Laboratories, Eli Lilly & Co, Lilly Corporate Center, Indianapolis, IN, United States
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30
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Dias VT, Rosa HZ, D'avila LF, Vey LT, Barcelos RCS, Burger ME. Modafinil reduces amphetamine preference and prevents anxiety-like symptoms during drug withdrawal in young rats: Involvement of dopaminergic targets in VTA and striatum. Prog Neuropsychopharmacol Biol Psychiatry 2019; 92:199-206. [PMID: 30664970 DOI: 10.1016/j.pnpbp.2019.01.007] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2018] [Revised: 01/15/2019] [Accepted: 01/17/2019] [Indexed: 12/25/2022]
Abstract
Drug abuse and addiction are overwhelming health problems mainly during adolescence. Based on a previous study of our research group, the rats that received modafinil (MD) during the adolescence showed less preference for amphetamine (AMPH) in adulthood. Our current hypothesis is that MD will show beneficial effects against AMPH preference and abstinence symptoms during adolescence, a critical lifetime period when drug hedonic effects are more pronounced. We investigated the influence of MD pretreatment on AMPH preference in conditioned place preference (CPP) paradigm in adolescent rats and anxiety-like symptoms during drug withdrawal (48 h after the last AMPH dose) in elevated plus maze (EPM) task. Besides that, oxidative and molecular status were evaluated in the ventral tegmental area (VTA) and striatum. Our findings showed, as it was expected, that adolescent animals developed AMPH preference together with anxiety-like symptoms during the drug withdrawal while the MD pretreatment prevented those behaviors. Besides promoting benefits on reward parameters, MD was able to preserve VTA and striatum from oxidative damages. This was observed by the increased catalase activity and reduced generation of reactive species and lipid peroxidation, which were inversely modified by AMPH exposure. At molecular level, MD exerted an interesting modulatory activity on the VTA and induced an up-regulation in striatal dopaminergic targets (TH, DAT, D1R and D2R). So far, during the adolescence, MD presented beneficial behavioral outcomes that could be attributed to its modulatory activity on the striatal dopaminergic system in an attempt to maintain the adequate dopamine levels.
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Affiliation(s)
- Verônica Tironi Dias
- Graduate Program of Pharmacology, Federal University of Santa Maria (UFSM), Santa Maria, RS, Brazil
| | - Higor Zuquetto Rosa
- Graduate Program of Pharmacology, Federal University of Santa Maria (UFSM), Santa Maria, RS, Brazil
| | - Lívia Ferraz D'avila
- Graduate Program of Pharmacology, Federal University of Santa Maria (UFSM), Santa Maria, RS, Brazil
| | - Luciana Taschetto Vey
- Graduate Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria (UFSM), Santa Maria, RS, Brazil
| | | | - Marilise Escobar Burger
- Graduate Program of Pharmacology, Federal University of Santa Maria (UFSM), Santa Maria, RS, Brazil; Graduate Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria (UFSM), Santa Maria, RS, Brazil.
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31
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Avila-Luna A, Ríos C, Gálvez-Rosas A, Montes S, Arias-Montaño JA, Bueno-Nava A. Chronic administration of the histamine H 3 receptor agonist immepip decreases L-Dopa-induced dyskinesias in 6-hydroxydopamine-lesioned rats. Psychopharmacology (Berl) 2019; 236:1937-1948. [PMID: 30762089 DOI: 10.1007/s00213-019-5182-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/24/2018] [Accepted: 01/28/2019] [Indexed: 01/06/2023]
Abstract
RATIONALE Histamine H3 receptors (H3Rs) are co-expressed with dopamine D1 receptors (D1Rs) by striato-nigral medium spiny GABAergic neurons, where they functionally antagonize D1R-mediated responses. OBJECTIVES AND METHODS We examined whether the chronic administration of the H3R agonist immepip modifies dyskinesias induced by L-3,4-dihydroxyphenylalanine, L-Dopa (LIDs), in rats lesioned with 6-hydroxydopamine in the substantia nigra pars compacta, and the effect of D1R and H3R co-activation on glutamate and GABA content in dialysates from the dorsal striatum of naïve rats. RESULTS The systemic administration (i.p.) of L-Dopa for 14 days significantly increased axial, limb, and orolingual abnormal involuntary movements (AIMs) compared with the vehicle group. The chronic administration of the H3R agonist immepip alongside L-Dopa significantly decreased axial, limb, and orolingual AIMs compared with L-Dopa alone, but AIMs returned to previous values on immepip withdrawal. Chronic immepip was ineffective when administered prior to L-Dopa. The chronic administration of immepip significantly decreased GABA and glutamate content in striatal dialysates, whereas the administration of L-Dopa alone increased GABA and glutamate content. CONCLUSIONS These results indicate that chronic H3R activation reduces LIDs, and the effects on striatal GABA and glutamate release provide evidence for a functional interaction between D1Rs and H3Rs.
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Affiliation(s)
- Alberto Avila-Luna
- Lab. Neurofisiología Química de la Discapacidad, División de Neurociencias, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, SSa, Calz. México-Xochimilco 289, 14389, Mexico City, Mexico.,Programa de Doctorado en Ciencias Biológicas y de la Salud, Universidad Autónoma Metropolitana, Unidad Xochimilco, Calzada del Hueso 1100, Col Villa Quietud, 04960, Mexico City, Mexico
| | - Camilo Ríos
- Departamento de Neuroquímica, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, SSa, Insurgentes Sur 3877, 14269, Mexico City, Mexico.,Lab. Neurofarmacología Molecular, Departamento de Sistemas Biológicos, Universidad Autónoma Metropolitana, Unidad Xochimilco, Calzada del Hueso 1100, Col. Villa Quietud, 04960, Mexico City, Mexico
| | - Arturo Gálvez-Rosas
- Lab. Neurofisiología Química de la Discapacidad, División de Neurociencias, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, SSa, Calz. México-Xochimilco 289, 14389, Mexico City, Mexico
| | - Sergio Montes
- Departamento de Neuroquímica, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, SSa, Insurgentes Sur 3877, 14269, Mexico City, Mexico
| | - José-Antonio Arias-Montaño
- Departamento de Fisiología, Biofísica y Neurociencias, Centro de Investigación y de Estudios Avanzados del IPN, Av. IPN 2508, 07360, Mexico City, Mexico
| | - Antonio Bueno-Nava
- Lab. Neurofisiología Química de la Discapacidad, División de Neurociencias, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, SSa, Calz. México-Xochimilco 289, 14389, Mexico City, Mexico.
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32
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Eswine SL, Pontinen JK, Heimovics SA. Competitive ability during mate competition relates to unique patterns of dopamine-related gene expression in the social decision-making network of male zebra finches. Neurosci Lett 2019; 706:30-35. [PMID: 31051224 DOI: 10.1016/j.neulet.2019.04.027] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Revised: 03/28/2019] [Accepted: 04/09/2019] [Indexed: 12/18/2022]
Abstract
Aggressive interactions usually reveal individual differences in the competitive ability of contest participants. Individuals with higher competitive ability often gain priority access to resources such as food, territory, and/or mates. Individuals with lower competitive ability usually have reduced access to these resources and limited mating opportunities. Despite the importance of contest performance to the reproductive success of individuals, the neuroendocrine factors associated with individual differences in competitive ability have not been fully elucidated. Here, we investigate the relationship between dopamine (DA)-related gene expression and competitive ability during mate competition in male zebra finches. Males demonstrating high competitive ability (HCA) had higher tyrosine hydroxylase mRNA levels in the ventral tegmental area and higher D1 receptor (D1-R) mRNA levels in the preoptic area than low competitive ability (LCA) males. Additionally, HCA males had lower levels of D1-R mRNA in the anterior hypothalamus relative to LCA males. These data suggest that there are dynamic and region-specific changes in DA function that relate to variation in competitive ability during mate competition.
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Affiliation(s)
- Stephanie L Eswine
- Department of Biology and Interdisciplinary Neuroscience Program, University of St. Thomas, St. Paul, MN, USA
| | - Jill K Pontinen
- Department of Biology and Interdisciplinary Neuroscience Program, University of St. Thomas, St. Paul, MN, USA
| | - Sarah A Heimovics
- Department of Biology and Interdisciplinary Neuroscience Program, University of St. Thomas, St. Paul, MN, USA.
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33
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Stubbendorff C, Hale E, Cassaday HJ, Bast T, Stevenson CW. Dopamine D1-like receptors in the dorsomedial prefrontal cortex regulate contextual fear conditioning. Psychopharmacology (Berl) 2019; 236:1771-1782. [PMID: 30656366 PMCID: PMC6602997 DOI: 10.1007/s00213-018-5162-7] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Accepted: 12/21/2018] [Indexed: 11/29/2022]
Abstract
RATIONALE Dopamine D1 receptor (D1R) signalling is involved in contextual fear conditioning. The D1R antagonist SCH23390 impairs the acquisition of contextual fear when administered systemically or infused locally into the dorsal hippocampus or basolateral amygdala. OBJECTIVES We determined if state dependency may account for the impairment in contextual fear conditioning caused by systemic SCH23390 administration. We also examined if the dorsomedial prefrontal cortex (dmPFC), nucleus accumbens (NAc), and ventral hippocampus (VH) are involved in mediating the effect of systemic SCH23390 treatment on contextual fear conditioning. METHODS In experiment 1, SCH23390 (0.1 mg/kg) or vehicle was given before contextual fear conditioning and/or retrieval. In experiment 2, SCH23390 (2.5 μg/0.5 uL) or vehicle was infused locally into dmPFC, NAc, or VH before contextual fear conditioning, and retrieval was tested drug-free. Freezing was quantified as a measure of contextual fear. RESULTS In experiment 1, SCH23390 given before conditioning or before both conditioning and retrieval decreased freezing at retrieval, whereas SCH23390 given only before retrieval had no effect. In experiment 2, SCH23390 infused into dmPFC before conditioning decreased freezing at retrieval, while infusion of SCH23390 into NAc or VH had no effect. CONCLUSIONS The results of experiment 1 confirm those of previous studies indicating that D1Rs are required for the acquisition but not retrieval of contextual fear and rule out state dependency as an explanation for these findings. Moreover, the results of experiment 2 provide evidence that dmPFC is also part of the neural circuitry through which D1R signalling regulates contextual fear conditioning.
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Affiliation(s)
- Christine Stubbendorff
- School of Biosciences, University of Nottingham, Sutton Bonington Campus, Loughborough, LE12 5RD, UK.
| | - Ed Hale
- School of Biosciences, University of Nottingham, Sutton Bonington Campus, Loughborough, LE12 5RD UK
| | - Helen J. Cassaday
- School of Psychology@Nottingham, University of Nottingham, University Park, Nottingham, NG7 2RD UK ,School of Neuroscience@Nottingham, University of Nottingham, University Park, Nottingham, NG7 2RD UK
| | - Tobias Bast
- School of Psychology@Nottingham, University of Nottingham, University Park, Nottingham, NG7 2RD UK ,School of Neuroscience@Nottingham, University of Nottingham, University Park, Nottingham, NG7 2RD UK
| | - Carl W. Stevenson
- School of Biosciences, University of Nottingham, Sutton Bonington Campus, Loughborough, LE12 5RD UK
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34
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Wu L, Zhang W, Qiu X, Wang C, Liu Y, Wang Z, Yu Y, Ye RD, Zhang Y. Identification of Alkaloids from Corydalis yanhusuo W. T. Wang as Dopamine D₁ Receptor Antagonists by Using CRE-Luciferase Reporter Gene Assay. Molecules 2018; 23:E2585. [PMID: 30308941 PMCID: PMC6222624 DOI: 10.3390/molecules23102585] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Revised: 08/02/2018] [Accepted: 08/12/2018] [Indexed: 02/06/2023] Open
Abstract
Corydalis yanhusuo W. T. Wang (C. yanhusuo) has been traditionally used for drug addiction and pain relief in China. In our previous study, we showed that the extract of C. yanhusuo blocks dopamine receptors, demonstrating that its pharmacological activities are mostly due to the antagonistic effects of some of its components at dopamine receptors. As part of our ongoing project on C. yanhusuo, the aim of the present study is to establish a high-throughput and low-cost screening assay system and test the abilities of the isolated alkaloids from C. yanhusuo to inhibit dopamine-induced dopamine D₁ receptor activity. By using our established cyclic adenosine monophosphate (cAMP)-response element (CRE)-luciferase reporter gene assay system, we identified eight alkaloids from C. yanhusuo with D₁ receptor antagonistic activities. We next validated the activities of these compounds using fluorometric imaging plate reader (FLIPR) assay by measuring the intracellular Ca2+ change. Six out of eight compounds, including tetrahydropalmatine, corydaline, 13-methyldehydrocorydalmine, dehydrocorybubine, dehydrocorydaline, and columbamine, can be confirmed for their inhibitory activities. The dopamine-receptor-antagonistic effects of four compounds, including 13-methyldehydrocorydalmine, dehydrocorydaline, columbamine, and corydaline, are reported for the first time. The present study provides an important pharmacological basis to support the traditional use of C. yanhusuo in China.
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Affiliation(s)
- Lehao Wu
- School of Pharmacy, Shanghai Jiao Tong University, Shanghai 200240, China.
| | - Weiyue Zhang
- School of Pharmacy, Shanghai Jiao Tong University, Shanghai 200240, China.
| | - Xin Qiu
- School of Pharmacy, Shanghai Jiao Tong University, Shanghai 200240, China.
| | - Chaoran Wang
- Key Lab of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China.
| | - Yanfang Liu
- Key Lab of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China.
| | - Zhiwei Wang
- DICP-CMC Innovation Institute of Medicine, Taizhou 225300, China.
| | - Yang Yu
- School of Pharmacy, Shanghai Jiao Tong University, Shanghai 200240, China.
| | - Richard D Ye
- School of Pharmacy, Shanghai Jiao Tong University, Shanghai 200240, China.
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau 999078, SAR, China.
| | - Yan Zhang
- School of Pharmacy, Shanghai Jiao Tong University, Shanghai 200240, China.
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35
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Meneely S, Dinkins ML, Kassai M, Lyu S, Liu Y, Lin CT, Brewer K, Li Y, Clemens S. Differential Dopamine D1 and D3 Receptor Modulation and Expression in the Spinal Cord of Two Mouse Models of Restless Legs Syndrome. Front Behav Neurosci 2018; 12:199. [PMID: 30233336 PMCID: PMC6131574 DOI: 10.3389/fnbeh.2018.00199] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Accepted: 08/13/2018] [Indexed: 12/22/2022] Open
Abstract
Restless Legs Syndrome (RLS) is often and successfully treated with dopamine receptor agonists that target the inhibitory D3 receptor subtype, however there is no clinical evidence of a D3 receptor dysfunction in RLS patients. In contrast, genome-wide association studies in RLS patients have established that a mutation of the MEIS1 gene is associated with an increased risk in developing RLS, but the effect of MEIS1 dysfunction on sensorimotor function remain unknown. Mouse models for a dysfunctional D3 receptor (D3KO) and Meis1 (Meis1KO) were developed independently, and each animal expresses some features associated with RLS in the clinic, but they have not been compared in their responsiveness to treatment options used in the clinic. We here confirm that D3KO and Meis1KO animals show increased locomotor activities, but that only D3KO show an increased sensory excitability to thermal stimuli. Next we compared the effects of dopaminergics and opioids in both animal models, and we assessed D1 and D3 dopamine receptor expression in the spinal cord, the gateway for sensorimotor processing. We found that Meis1KO share most of the tested behavioral properties with their wild type (WT) controls, including the modulation of the thermal pain withdrawal reflex by morphine, L-DOPA and D3 receptor (D3R) agonists and antagonists. However, Meis1KO and D3KO were behaviorally more similar to each other than to WT when tested with D1 receptor (D1R) agonists and antagonists. Subsequent Western blot analyses of D1R and D3R protein expression in the spinal cord revealed a significant increase in D1R but not D3R expression in Meis1KO and D3KO over WT controls. As the D3R is mostly present in the dorsal spinal cord where it has been shown to modulate sensory pathways, while activation of the D1Rs can activate motoneurons in the ventral spinal cord, we speculate that D3KO and Meis1KO represent two complementary animal models for RLS, in which the mechanisms of sensory (D3R-mediated) and motor (D1R-mediated) dysfunctions can be differentially explored.
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Affiliation(s)
- Samantha Meneely
- Department of Physiology, Brody School of Medicine, East Carolina University, Greenville, NC, United States
| | - Mai-Lynne Dinkins
- Department of Physiology, Brody School of Medicine, East Carolina University, Greenville, NC, United States
| | - Miki Kassai
- Department of Physiology, Brody School of Medicine, East Carolina University, Greenville, NC, United States
| | - Shangru Lyu
- Department of Neurology, College of Medicine, University of Florida, Gainesville, FL, United States
| | - Yuning Liu
- Department of Neurology, College of Medicine, University of Florida, Gainesville, FL, United States
| | - Chien-Te Lin
- Department of Physiology, Brody School of Medicine, East Carolina University, Greenville, NC, United States
- East Carolina Diabetes and Obesity Institute, Brody School of Medicine, East Carolina University, Greenville, NC, United States
| | - Kori Brewer
- Department of Emergency Medicine, Brody School of Medicine, East Carolina University, Greenville, NC, United States
| | - Yuqing Li
- Department of Neurology, College of Medicine, University of Florida, Gainesville, FL, United States
- Wuxi Medical School, Jiangnan University, Wuxi, China
| | - Stefan Clemens
- Department of Physiology, Brody School of Medicine, East Carolina University, Greenville, NC, United States
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36
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van Ruitenbeek P, Hernaus D, Mehta MA. A proof-of-principle study of the effect of combined haloperidol and levodopa administration on working memory-related brain activation in humans. Hum Psychopharmacol 2018; 33:e2675. [PMID: 30306671 DOI: 10.1002/hup.2675] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2018] [Revised: 08/27/2018] [Accepted: 08/29/2018] [Indexed: 11/05/2022]
Abstract
OBJECTIVE Cognitive deficits including impaired working memory are a hallmark feature of schizophrenia. Dopamine D1 receptor modulated changes in prefrontal cortex function play a potentially important role in the pathology underlying such deficits. However, pharmacological interventions that selectively engage the D1 receptor are severely restricted for research in humans. The present study is a proof-of-principle for enhancing cognitive performance and associated brain activation via indirect D1 stimulation, operationalised by combining the nonselective dopamine agonist L-dopa with the D2-antagonist haloperidol. METHODS Fourteen healthy volunteers received placebo or combined carbidopa (25 mg)/L-dopa (100 mg) plus haloperidol (2 mg) orally on two separate occasions according to a within-subjects crossover design. Drug-induced differences in brain activity were assessed during an N-back working memory task in a 3T magnetic resonance imaging environment. RESULTS Drug treatment was associated with greater functional connectivity between the dorsolateral prefrontal cortex and areas within the salience network during all N-back trials. Drug treatment was also associated with reduced activation, most prominently in the occipital/temporal brain areas during 2-back performance. CONCLUSIONS This preliminary study provides initial evidence for combined L-dopa/haloperidol modulation in cognition-related brain areas and networks, which is relevant for the treatment of cognitive impairments in mental illness.
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Affiliation(s)
- Peter van Ruitenbeek
- Department of Neuroimaging, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK.,Department of Neuropsychology and Psychopharmacology, Faculty of Psychology and Neuroscience, Maastricht University, Maastricht, The Netherlands
| | - Dennis Hernaus
- Department of Psychiatry; Maryland Psychiatric Research Center, University of Maryland School of Medicine, Baltimore, Maryland
| | - Mitul Ashok Mehta
- Department of Neuroimaging, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
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Ohene-Nyako M, Persons AL, Napier TC. Region-specific changes in markers of neuroplasticity revealed in HIV-1 transgenic rats by low-dose methamphetamine. Brain Struct Funct 2018; 223:3503-3513. [PMID: 29931627 DOI: 10.1007/s00429-018-1701-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Accepted: 06/15/2018] [Indexed: 12/15/2022]
Abstract
Methamphetamine abuse co-occurring with HIV infection presents neuropathology in brain regions that mediate reward and motivation. A neuronal signaling cascade altered acutely by meth and some HIV-1 proteins is the mitogen-activated protein kinase (MAPK) pathway. It remains unknown if chronic co-exposure to meth and HIV-1 proteins converge on MAPK in vivo. To make this determination, we studied young adult Fischer 344 HIV-1 transgenic (Tg) and non-Tg rats that self-administered meth (0.02-0.04 mg/kg/0.05 ml iv infusion, 2 h/day for 21 days) and their saline-yoked controls. One day following the operant task, rats were killed. Brain regions involved in reward-motivation [i.e., nucleus accumbens (NA) and ventral pallidum (VP)], were assayed for a MAPK cascade protein, extracellular signal-regulated kinase (ERK), and a downstream transcription factor, ΔFosB. In the NA, activated (phosphorylated; p) ERK-to-ERK ratio (pERK/ERK) was increased in meth-exposed Tg rats versus saline Tg controls, and versus meth non-Tg rats. ΔFosB was increased in meth Tg rats versus saline and meth non-Tg rats. Assessment of two targets of ΔFosB-regulated transcription revealed (1) increased dopamine D1 receptor (D1R) immunoreactivity in the NA shell of Tg-meth rats versus saline Tg controls, but (2) no changes in the AMPA receptor subunit, GluA2. No changes related to genotype or meth occurred for ERK, ΔFosB or D1R protein in the VP. Results reveal a region-specific activation of ERK, and increases in ΔFosB and D1R expression induced by HIV-1 proteins and meth. Such effects may contribute to the neuronal and behavioral pathology associated with meth/HIV comorbidity.
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Affiliation(s)
- Michael Ohene-Nyako
- Department of Pharmacology, Rush University, Chicago, IL, USA.,Center for Compulsive Behavior and Addiction, Rush University, Chicago, IL, USA
| | - Amanda L Persons
- Department of Physician Assistant Studies, Rush University, Chicago, IL, USA.,Department of Psychiatry, Rush University Medical Center, 1735 W. Harrison Street, Cohn Research Building Suite #424, Chicago, IL, 60612, USA.,Center for Compulsive Behavior and Addiction, Rush University, Chicago, IL, USA
| | - T Celeste Napier
- Department of Psychiatry, Rush University Medical Center, 1735 W. Harrison Street, Cohn Research Building Suite #424, Chicago, IL, 60612, USA. .,Center for Compulsive Behavior and Addiction, Rush University, Chicago, IL, USA.
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Fitzgerald ML, Pickel VM. Adolescent isolation rearing produces a prepulse inhibition deficit correlated with expression of the NMDA GluN1 subunit in the nucleus accumbens. Brain Struct Funct 2018; 223:3169-3181. [PMID: 29779156 DOI: 10.1007/s00429-018-1673-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2017] [Accepted: 04/27/2018] [Indexed: 12/18/2022]
Abstract
Adolescence is a transition period during which social interaction is necessary for normal brain and behavior development. Severely abnormal social interactions during adolescence can increase the incidence of lifelong psychiatric disease. Decreased prepulse inhibition (PPI) is a quantifiable hallmark of some psychiatric illnesses in humans and can be elicited in rodents by isolation rearing throughout the adolescent transition period. PPI is a measure of sensorimotor gating in which the nucleus accumbens (Acb) is crucially involved. The Acb is comprised of core and shell subregions, which receive convergent dopaminergic and glutamatergic inputs. To gain insight into the neurobiological correlates of adolescent adversity, we conducted electron microscopic immunolabeling of dopamine D1 receptors (D1Rs) and the GluN1 subunit of glutamate NMDA receptors in the Acb of isolation-reared (IR) adult male rats. In all animals, GluN1 was primarily located in dendritic profiles, many of which also contained D1Rs. GluN1 was also observed in perisynaptic glia and axon terminals. In IR rats compared with group-reared controls, GluN1 density was selectively decreased in D1R-containing dendrites of the Acb core. Across all animals, dendritic GluN1 density correlated with average percent PPI, implicating endogenous expression of NMDA receptors of the Acb as a possible substrate of the PPI response. These results suggest that adolescent isolation dampens NMDA-mediated excitation in direct (D1R-containing) output neurons of the Acb, and that these changes influence the operational measure of PPI.
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Affiliation(s)
- Megan L Fitzgerald
- Brain and Mind Research Institute, Weill Cornell Medicine, 407 East 61st Street, New York, NY, 10065, USA
- New York State Psychiatric Institute, Columbia University, New York, NY, 10032, USA
| | - Virginia M Pickel
- Brain and Mind Research Institute, Weill Cornell Medicine, 407 East 61st Street, New York, NY, 10065, USA.
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Real JI, Simões AP, Cunha RA, Ferreira SG, Rial D. Adenosine A 2A receptors modulate the dopamine D 2 receptor-mediated inhibition of synaptic transmission in the mouse prefrontal cortex. Eur J Neurosci 2018; 47:1127-1134. [PMID: 29570875 DOI: 10.1111/ejn.13912] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Revised: 03/13/2018] [Accepted: 03/13/2018] [Indexed: 01/20/2023]
Abstract
Prefrontal cortex (PFC) circuits are modulated by dopamine acting on D1 - and D2 -like receptors, which are pharmacologically exploited to manage neuropsychiatric conditions. Adenosine A2A receptors (A2A R) also control PFC-related responses and A2A R antagonists are potential anti-psychotic drugs. As tight antagonistic A2A R-D2 R and synergistic A2A R-D1 R interactions occur in other brain regions, we now investigated the crosstalk between A2A R and D1 /D2 R controlling synaptic transmission between layers II/III and V in mouse PFC coronal slices. Dopamine decreased synaptic transmission, a presynaptic effect based on the parallel increase in paired-pulse responses. Dopamine inhibition was prevented by the D2 R-like antagonist sulpiride but not by the D1 R antagonist SCH23390 and was mimicked by the D2 R agonist sumanirole, but not by the agonists of either D4 R (A-412997) or D3 R (PD128907). Dopamine inhibition was prevented by the A2A R antagonist, SCH58261, and attenuated in A2A R knockout mice. Accordingly, triple-labelling immunocytochemistry experiments revealed the co-localization of A2A R and D2 R immunoreactivity in glutamatergic (vGluT1-positive) nerve terminals of the PFC. This reported positive A2A R-D2 R interaction controlling PFC synaptic transmission provides a mechanistic justification for the anti-psychotic potential of A2A R antagonists.
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Affiliation(s)
- Joana I Real
- CNC-Center for Neuroscience and Cell Biology, University of Coimbra, Polo I, Rua Larga, 3004-504, Coimbra, Portugal
| | - Ana Patrícia Simões
- CNC-Center for Neuroscience and Cell Biology, University of Coimbra, Polo I, Rua Larga, 3004-504, Coimbra, Portugal
| | - Rodrigo A Cunha
- CNC-Center for Neuroscience and Cell Biology, University of Coimbra, Polo I, Rua Larga, 3004-504, Coimbra, Portugal.,Faculty of Medicine, University of Coimbra, Coimbra, Portugal
| | - Samira G Ferreira
- CNC-Center for Neuroscience and Cell Biology, University of Coimbra, Polo I, Rua Larga, 3004-504, Coimbra, Portugal
| | - Daniel Rial
- CNC-Center for Neuroscience and Cell Biology, University of Coimbra, Polo I, Rua Larga, 3004-504, Coimbra, Portugal
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Mao LM, He N, Jin DZ, Wang JQ. Regulation of Phosphorylation of AMPA Glutamate Receptors by Muscarinic M4 Receptors in the Striatum In vivo. Neuroscience 2018; 375:84-93. [PMID: 29432883 DOI: 10.1016/j.neuroscience.2018.01.063] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2017] [Revised: 01/30/2018] [Accepted: 01/31/2018] [Indexed: 10/18/2022]
Abstract
The acetylcholine muscarinic 4 (M4) receptor is a principal muscarinic receptor subtype present in the striatum. Notably, Gαi/o-coupled M4 receptors and Gαs/Golf-coupled dopamine D1 receptors are coexpressed in striatonigral projection neurons and are thought to interact with each other to regulate neuronal excitability, although underlying molecular mechanisms are poorly understood. In this study, we investigated the role of M4 receptors in the regulation of phosphorylation of α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) receptors in the rat normal and dopamine-stimulated striatum in vivo. We found that a systemic injection of a M4 antagonist tropicamide increased AMPA receptor GluA1 subunit phosphorylation at a protein kinase A-dependent site (S845) in the striatum. The tropicamide-induced S845 phosphorylation was rapid, reversible, and dose-dependent and occurred in the two subdivisions of the striatum, i.e., the caudate putamen and nucleus accumbens. Coadministration of subthreshold doses of tropicamide and a D1 agonist SKF81297 induced a significant increase in S845 phosphorylation. Coadministered tropicamide and a dopamine psychostimulant amphetamine at their subthreshold doses also elevated S845 phosphorylation. Tropicamide alone or coinjected with SKF81297 or amphetamine had no effect on GluA1 phosphorylation at S831. Tropicamide did not affect GluA2 phosphorylation at S880. These results reveal a selective inhibitory linkage from M4 receptors to GluA1 in S845 phosphorylation in striatal neurons. Blockade of the M4-mediated inhibition significantly augments constitutive and dopamine-stimulated GluA1 S845 phosphorylation.
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Affiliation(s)
- Li-Min Mao
- Department of Biomedical Sciences, School of Medicine, University of Missouri-Kansas City, Kansas City, MO 64108, USA
| | - Nan He
- Department of Biomedical Sciences, School of Medicine, University of Missouri-Kansas City, Kansas City, MO 64108, USA
| | - Dao-Zhong Jin
- Department of Biomedical Sciences, School of Medicine, University of Missouri-Kansas City, Kansas City, MO 64108, USA
| | - John Q Wang
- Department of Biomedical Sciences, School of Medicine, University of Missouri-Kansas City, Kansas City, MO 64108, USA; Department of Anesthesiology, School of Medicine, University of Missouri-Kansas City, Kansas City, MO 64108, USA.
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Avila-Luna A, Gálvez-Rosas A, Durand-Rivera A, Ramos-Languren LE, Ríos C, Arias-Montaño JA, Bueno-Nava A. Dopamine D 1 receptor activation maintains motor coordination and balance in rats. Metab Brain Dis 2018; 33:99-105. [PMID: 29052075 DOI: 10.1007/s11011-017-0126-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2016] [Accepted: 10/09/2017] [Indexed: 10/18/2022]
Abstract
Dopamine (DA) modulates motor coordination, and its depletion, as in Parkinson's disease, produces motor impairment. The basal ganglia, cerebellum and cerebral cortex are interconnected, have functional roles in motor coordination, and possess dopamine D1 receptors (D1Rs), which are expressed at a particularly high density in the basal ganglia. In this study, we examined whether the activation of D1Rs modulates motor coordination and balance in the rat using a beam-walking test that has previously been used to detect motor coordination deficits. The systemic administration of the D1R agonist SKF-38393 at 2, 3, or 4 mg/kg did not alter the beam-walking scores, but the subsequent administration of the D1R antagonist SCH-23390 at 1 mg/kg did produce deficits in motor coordination, which were reversed by the full agonist SKF-82958. The co-administration of SKF-38393 and SCH-23390 did not alter the beam-walking scores compared with the control group, but significantly prevented the increase in beam-walking scores induced by SCH-23390. The effect of the D1R agonist to prevent and reverse the effect of the D1R antagonist in beam-walking scores is an indicator that the function of D1Rs is necessary to maintain motor coordination and balance in rats. Our results support that D1Rs mediate the SCH-23390-induced deficit in motor coordination.
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Affiliation(s)
- Alberto Avila-Luna
- División de Neurociencias, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, SSa, Calz México-Xochimilco 289, 14389, Ciudad de México, Mexico
| | - Arturo Gálvez-Rosas
- División de Neurociencias, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, SSa, Calz México-Xochimilco 289, 14389, Ciudad de México, Mexico
| | - Alfredo Durand-Rivera
- División de Neurociencias, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, SSa, Calz México-Xochimilco 289, 14389, Ciudad de México, Mexico
| | - Laura-Elisa Ramos-Languren
- Departamento de Neuroquímica, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, SSa, Insurgentes Sur 3877, 14269, Ciudad de México, Mexico
| | - Camilo Ríos
- Departamento de Neuroquímica, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, SSa, Insurgentes Sur 3877, 14269, Ciudad de México, Mexico
| | - José-Antonio Arias-Montaño
- Departamento de Fisiología, Biofísica y Neurociencias, Centro de Investigación y de Estudios Avanzados del IPN, Av. IPN 2508, 07360, Ciudad de México, Mexico
| | - Antonio Bueno-Nava
- División de Neurociencias, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, SSa, Calz México-Xochimilco 289, 14389, Ciudad de México, Mexico.
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Wang T, Nowrangi D, Yu L, Lu T, Tang J, Han B, Ding Y, Fu F, Zhang JH. Activation of dopamine D1 receptor decreased NLRP3-mediated inflammation in intracerebral hemorrhage mice. J Neuroinflammation 2018; 15:2. [PMID: 29301581 PMCID: PMC5753458 DOI: 10.1186/s12974-017-1039-7] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2017] [Accepted: 12/12/2017] [Indexed: 12/14/2022] Open
Abstract
Background Inflammasomes are involved in diverse inflammatory diseases. Previous study reported that the neurotransmitter dopamine inhibited NLRP3 inflammasome activation via dopamine D1 receptor (DRD1). The present study aims to investigate the role of DRD1 on neuroinflammation in intracerebral hemorrhage (ICH) mice and the potential mechanism mediated by NLRP3 inhibition. Methods One hundred and six male CD-1 mice were subjected to intrastriatal injection of bacterial collagenase or PBS. A68930 (DRD1 specific agonist) was administered by subcutaneous injection at 1 h after collagenase injection. Behavioral deficits and brain water content were assayed. The expression of Iba 1 and MPO levels were measured by immunofluorescence staining. The expressions of proteins in the DRD1/interferon-beta (IFN-beta)/NLRP3 signaling pathway were evaluated by western blotting. Results Activation of the DRD1 by A68930 decreased brain edema and improved behavior at 24 and 72 h of ICH. A68930 inhibited partly the activation of microglia and the neutrophil infiltration after 24 h of ICH. IFN-beta, p-STAT1 increased while NLRP3, caspase 1, and IL-1beta decreased after A68930 administration in ICH mice. DRD1 antagonist and IFN-beta siRNA reversed effects of A68930 on neurological outcome and brain edema. DRD1 antagonist and IFN-beta siRNA blocked not only A68930-mediated increases of IFN-beta, p-STAT1 but also A68930-mediated decreases of NLRP3, caspase 1, and IL-1beta. Conclusions DRD1 activation by A68930 improves neurological outcome through inhibition of NLRP3-mediated inflammation in ICH mice. Electronic supplementary material The online version of this article (10.1186/s12974-017-1039-7) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Tian Wang
- Department of Anesthesiology and Physiology, School of Medicine, Loma Linda University, 11041 Campus St, Risley Hall, Room 219, Loma Linda, CA, 92354, USA.,School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai, 264005, Shandong, People's Republic of China
| | - Derek Nowrangi
- Department of Anesthesiology and Physiology, School of Medicine, Loma Linda University, 11041 Campus St, Risley Hall, Room 219, Loma Linda, CA, 92354, USA
| | - Lingyan Yu
- Department of Anesthesiology and Physiology, School of Medicine, Loma Linda University, 11041 Campus St, Risley Hall, Room 219, Loma Linda, CA, 92354, USA
| | - Tai Lu
- Department of Anesthesiology and Physiology, School of Medicine, Loma Linda University, 11041 Campus St, Risley Hall, Room 219, Loma Linda, CA, 92354, USA
| | - Jiping Tang
- Department of Anesthesiology and Physiology, School of Medicine, Loma Linda University, 11041 Campus St, Risley Hall, Room 219, Loma Linda, CA, 92354, USA
| | - Bing Han
- School of Life Science, Yantai University, Yantai, 264005, Shandong, People's Republic of China
| | - Yuxin Ding
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai, 264005, Shandong, People's Republic of China
| | - Fenghua Fu
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai, 264005, Shandong, People's Republic of China.
| | - John H Zhang
- Department of Anesthesiology and Physiology, School of Medicine, Loma Linda University, 11041 Campus St, Risley Hall, Room 219, Loma Linda, CA, 92354, USA.
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43
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López JM, Morona R, González A. Immunohistochemical Localization of DARPP-32 in the Brain of Two Lungfishes: Further Assessment of Its Relationship with the Dopaminergic System. Brain Behav Evol 2017; 90:289-310. [PMID: 29161694 DOI: 10.1159/000481929] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Accepted: 10/03/2017] [Indexed: 01/23/2023]
Abstract
The distribution of DARPP-32 (a phosphoprotein related to the dopamine D1 receptor) has been widely used as a means to clarify the brain regions with dopaminoceptive cells, primarily in representative species of tetrapods. The relationship between dopaminergic and dopaminoceptive elements is frequently analyzed using the catecholamine marker tyrosine hydroxylase (TH). In the present study, by means of combined immunohistochemistry, we have analyzed these relationships in lungfishes, the only group of sarcopterygian fishes represented by 6 extant species that are the phylogenetically closest living relatives of tetrapods. We used the Australian lungfish Neoceratodus forsteri and the African lungfish Protopterus dolloi. The DARPP-32 antibody yields a distinct and consistent pattern of neuronal staining in brain areas that, in general, coincide with areas that are densely innervated by TH-immunoreactive fibers. The striatum, thalamus, optic tectum, and torus semicircularis contain intensely DARPP-32-immunoreactive cell bodies and fibers. Cells are also located in the olfactory bulbs, amygdaloid complex, lateral septum, pallidum, preoptic area, suprachiasmatic nucleus, tuberal hypothalamic region, rostral rhombencephalic reticular formation, superior raphe nucleus, octavolateral area, solitary tract nucleus, and spinal cord. Remarkably, DARPP-32-immunoreactive fibers originating in the striatum reach the region of the dopaminergic cells in the mesencephalic tegmentum and represent a well-established striatonigral pathway in lungfishes. Double immunolabeling reveals that DARPP-32 is present in neurons that most likely receive TH input, but it is absent from the catecholaminergic neurons themselves, with the only exception of a few cells in the suprachiasmatic nucleus of Neoceratodus and the solitary tract nucleus of Protopterus. In addition, some species differences exist in the localization of DARPP-32 cells in the pallium, lateral amygdala, thalamus, prethalamus, and octavolateral area. In general, the present study demonstrates that the distribution pattern of DARPP-32, and its relationship with TH, is largely comparable to those reported for tetrapods, highlighting a shared situation among all sarcopterygians.
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Affiliation(s)
- Jesús M López
- Departamento de Biología Celular, Facultad de Biología, Universidad Complutense, Madrid, Spain
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44
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Bruns RF, Mitchell SN, Wafford KA, Harper AJ, Shanks EA, Carter G, O'Neill MJ, Murray TK, Eastwood BJ, Schaus JM, Beck JP, Hao J, Witkin JM, Li X, Chernet E, Katner JS, Wang H, Ryder JW, Masquelin ME, Thompson LK, Love PL, Maren DL, Falcone JF, Menezes MM, Zhang L, Yang CR, Svensson KA. Preclinical profile of a dopamine D1 potentiator suggests therapeutic utility in neurological and psychiatric disorders. Neuropharmacology 2017; 128:351-365. [PMID: 29102759 DOI: 10.1016/j.neuropharm.2017.10.032] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2017] [Revised: 08/24/2017] [Accepted: 10/24/2017] [Indexed: 01/11/2023]
Abstract
DETQ, an allosteric potentiator of the dopamine D1 receptor, was tested in therapeutic models that were known to respond to D1 agonists. Because of a species difference in affinity for DETQ, all rodent experiments used transgenic mice expressing the human D1 receptor (hD1 mice). When given alone, DETQ reversed the locomotor depression caused by a low dose of reserpine. DETQ also acted synergistically with L-DOPA to reverse the strong hypokinesia seen with a higher dose of reserpine. These results indicate potential as both monotherapy and adjunct treatment in Parkinson's disease. DETQ markedly increased release of both acetylcholine and histamine in the prefrontal cortex, and increased levels of histamine metabolites in the striatum. In the hippocampus, the combination of DETQ and the cholinesterase inhibitor rivastigmine increased ACh to a greater degree than either agent alone. DETQ also increased phosphorylation of the AMPA receptor (GluR1) and the transcription factor CREB in the striatum, consistent with enhanced synaptic plasticity. In the Y-maze, DETQ increased arm entries but (unlike a D1 agonist) did not reduce spontaneous alternation between arms at high doses. DETQ enhanced wakefulness in EEG studies in hD1 mice and decreased immobility in the forced-swim test, a model for antidepressant-like activity. In rhesus monkeys, DETQ increased spontaneous eye-blink rate, a measure that is known to be depressed in Parkinson's disease. Together, these results provide support for potential utility of D1 potentiators in the treatment of several neuropsychiatric disorders, including Parkinson's disease, Alzheimer's disease, cognitive impairment in schizophrenia, and major depressive disorder.
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Affiliation(s)
- Robert F Bruns
- Lilly Research Laboratories, Eli Lilly & Co., Lilly Corporate Center, Indianapolis, IN 46285, USA
| | - Stephen N Mitchell
- Lilly Research Laboratories, Eli Lilly & Co., Erl Wood Manor, United Kingdom
| | - Keith A Wafford
- Lilly Research Laboratories, Eli Lilly & Co., Erl Wood Manor, United Kingdom
| | - Alex J Harper
- Lilly Research Laboratories, Eli Lilly & Co., Erl Wood Manor, United Kingdom
| | - Elaine A Shanks
- Lilly Research Laboratories, Eli Lilly & Co., Erl Wood Manor, United Kingdom
| | - Guy Carter
- Lilly Research Laboratories, Eli Lilly & Co., Erl Wood Manor, United Kingdom
| | - Michael J O'Neill
- Lilly Research Laboratories, Eli Lilly & Co., Erl Wood Manor, United Kingdom
| | - Tracey K Murray
- Lilly Research Laboratories, Eli Lilly & Co., Erl Wood Manor, United Kingdom
| | - Brian J Eastwood
- Lilly Research Laboratories, Eli Lilly & Co., Erl Wood Manor, United Kingdom
| | - John M Schaus
- Lilly Research Laboratories, Eli Lilly & Co., Lilly Corporate Center, Indianapolis, IN 46285, USA
| | - James P Beck
- Lilly Research Laboratories, Eli Lilly & Co., Lilly Corporate Center, Indianapolis, IN 46285, USA
| | - Junliang Hao
- Lilly Research Laboratories, Eli Lilly & Co., Lilly Corporate Center, Indianapolis, IN 46285, USA
| | - Jeffrey M Witkin
- Lilly Research Laboratories, Eli Lilly & Co., Lilly Corporate Center, Indianapolis, IN 46285, USA
| | - Xia Li
- Lilly Research Laboratories, Eli Lilly & Co., Lilly Corporate Center, Indianapolis, IN 46285, USA
| | - Eyassu Chernet
- Lilly Research Laboratories, Eli Lilly & Co., Lilly Corporate Center, Indianapolis, IN 46285, USA
| | - Jason S Katner
- Lilly Research Laboratories, Eli Lilly & Co., Lilly Corporate Center, Indianapolis, IN 46285, USA
| | - Hong Wang
- Lilly Research Laboratories, Eli Lilly & Co., Lilly Corporate Center, Indianapolis, IN 46285, USA
| | - John W Ryder
- Lilly Research Laboratories, Eli Lilly & Co., Lilly Corporate Center, Indianapolis, IN 46285, USA
| | - Meghane E Masquelin
- Lilly Research Laboratories, Eli Lilly & Co., Lilly Corporate Center, Indianapolis, IN 46285, USA
| | - Linda K Thompson
- Lilly Research Laboratories, Eli Lilly & Co., Lilly Corporate Center, Indianapolis, IN 46285, USA
| | - Patrick L Love
- Lilly Research Laboratories, Eli Lilly & Co., Lilly Corporate Center, Indianapolis, IN 46285, USA
| | - Deanna L Maren
- Lilly Research Laboratories, Eli Lilly & Co., Lilly Corporate Center, Indianapolis, IN 46285, USA
| | - Julie F Falcone
- Lilly Research Laboratories, Eli Lilly & Co., Lilly Corporate Center, Indianapolis, IN 46285, USA
| | - Michelle M Menezes
- Lilly Research Laboratories, Eli Lilly & Co., Lilly Corporate Center, Indianapolis, IN 46285, USA
| | - Linli Zhang
- Shanghai ChemPartner, Pudong, Shanghai 201203, China
| | | | - Kjell A Svensson
- Lilly Research Laboratories, Eli Lilly & Co., Lilly Corporate Center, Indianapolis, IN 46285, USA.
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Wu B, Lin W, Wang H, Abdullah T, Wang B, Su Y, Ge RS, Lian Q. Glucocorticoid receptor in rat nucleus accumbens: Its roles in propofol addictions. Neurosci Lett 2017; 662:115-121. [PMID: 29037790 DOI: 10.1016/j.neulet.2017.10.011] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2017] [Revised: 09/27/2017] [Accepted: 10/09/2017] [Indexed: 11/16/2022]
Abstract
Propofol has been demonstrated as a drug of abuse in humans. Our previous study indicated that dexamethasone, a potent agonist of glucocorticoid receptor (GR), inhibited propofol-maintained rat self-administration behaviors by systematic injection. However, the direct effect of GR in the nucleus accumbens (NAc) on propofol self-administration behavior has not been explored. The propofol-maintained self-administration was established in rats after a successive 3-h daily self-administration of propofol for 14days. On day 15, 30min prior to the last training, rats received one of three doses (0.3, 1.0, or 3.0μg/site) of dexamethasone or vehicle via intra-NAc injection. The number of active nose-poke responses, propofol injections, and inactive nose-poke responses was recorded. Dopamine D1 receptor and c-Fos expressions were detected. Plasma corticosterone level was measured by enzyme-linked immunosorbent assay. Intra-NAc administration of dexamethasone (1.0 and 3.0μg/site) facilitated the active nose-poke responses, which was accompanied by the upregulation of D1 receptor and c-Fos in the NAc. Plasma corticosterone level was not changed in dexamethasone-treated groups. This study provides crucial evidence that GR in the NAc plays an important role in regulating propofol self-administration behaviors in rats, which may be mediated by changes in D1 receptor and c-Fos expressions, and this also needs further examination with GR antagonist in the future.
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Affiliation(s)
- Binbin Wu
- Department of Anesthesiology and Pain Medicine, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, China
| | - Wenxuan Lin
- Department of Anesthesiology and Pain Medicine, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, China
| | - Hong Wang
- Department of Anesthesiology and Pain Medicine, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, China
| | - Taha Abdullah
- Department of Physiology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, 60611, USA
| | - Benfu Wang
- Department of Anesthesiology and Pain Medicine, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, China
| | - Ying Su
- Department of Anesthesiology and Pain Medicine, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, China
| | - Ren-Shan Ge
- Department of Anesthesiology and Pain Medicine, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, China.
| | - Qingquan Lian
- Department of Anesthesiology and Pain Medicine, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, China.
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Lee Y, Kim H, Kim JE, Park JY, Choi J, Lee JE, Lee EH, Han PL. Excessive D1 Dopamine Receptor Activation in the Dorsal Striatum Promotes Autistic-Like Behaviors. Mol Neurobiol 2017; 55:5658-5671. [PMID: 29027111 DOI: 10.1007/s12035-017-0770-5] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2017] [Accepted: 09/11/2017] [Indexed: 12/27/2022]
Abstract
The dopamine system has been characterized in motor function, goal-directed behaviors, and rewards. Recent studies recognize various dopamine system genes as being associated with autism spectrum disorder (ASD). However, how dopamine system dysfunction induces ASD pathophysiology remains unknown. In the present study, we demonstrated that mice with increased dopamine functions in the dorsal striatum via the suppression of dopamine transporter expression in substantia nigra neurons or the optogenetic stimulation of the nigro-striatal circuitry exhibited sociability deficits and repetitive behaviors relevant to ASD pathology in animal models, while these behavioral changes were blocked by a D1 receptor antagonist. Pharmacological activation of D1 dopamine receptors in normal mice or the genetic knockout (KO) of D2 dopamine receptors also produced typical autistic-like behaviors. Moreover, the siRNA-mediated inhibition of D2 dopamine receptors in the dorsal striatum was sufficient to replicate autistic-like phenotypes in D2 KO mice. Intervention of D1 dopamine receptor functions or the signaling pathways-related D1 receptors in D2 KO mice produced anti-autistic effects. Together, our results indicate that increased dopamine function in the dorsal striatum promotes autistic-like behaviors and that the dorsal striatum is the neural correlate of ASD core symptoms.
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Affiliation(s)
- Yunjin Lee
- Department of Brain and Cognitive Sciences, Ewha Womans University, 11-1 Daehyun-Dong, Seodaemoon-Gu, Seoul, 120-750, Republic of Korea
| | - Hannah Kim
- Department of Brain and Cognitive Sciences, Ewha Womans University, 11-1 Daehyun-Dong, Seodaemoon-Gu, Seoul, 120-750, Republic of Korea
| | - Ji-Eun Kim
- Department of Brain and Cognitive Sciences, Ewha Womans University, 11-1 Daehyun-Dong, Seodaemoon-Gu, Seoul, 120-750, Republic of Korea
| | - Jin-Young Park
- Department of Brain and Cognitive Sciences, Ewha Womans University, 11-1 Daehyun-Dong, Seodaemoon-Gu, Seoul, 120-750, Republic of Korea
| | - Juli Choi
- Department of Brain and Cognitive Sciences, Ewha Womans University, 11-1 Daehyun-Dong, Seodaemoon-Gu, Seoul, 120-750, Republic of Korea
| | - Jung-Eun Lee
- Department of Brain and Cognitive Sciences, Ewha Womans University, 11-1 Daehyun-Dong, Seodaemoon-Gu, Seoul, 120-750, Republic of Korea
| | - Eun-Hwa Lee
- Department of Brain and Cognitive Sciences, Ewha Womans University, 11-1 Daehyun-Dong, Seodaemoon-Gu, Seoul, 120-750, Republic of Korea
| | - Pyung-Lim Han
- Department of Brain and Cognitive Sciences, Ewha Womans University, 11-1 Daehyun-Dong, Seodaemoon-Gu, Seoul, 120-750, Republic of Korea. .,Brain Disease Research Institute, Ewha Womans University, Seoul, Republic of Korea. .,Department of Chemistry and Nano Science, Ewha Womans University, Seoul, Republic of Korea.
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47
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Lim J, Fernandez AI, Hinojos SJ, Aranda GP, James J, Seong CS, Han KA. The mushroom body D1 dopamine receptor controls innate courtship drive. Genes Brain Behav 2017; 17:158-167. [PMID: 28902472 PMCID: PMC5820115 DOI: 10.1111/gbb.12425] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/19/2017] [Revised: 08/08/2017] [Accepted: 09/06/2017] [Indexed: 02/01/2023]
Abstract
Mating is critical for species survival and is profoundly regulated by neuromodulators and neurohormones to accommodate internal states and external factors. To identify the underlying neuromodulatory mechanisms, we investigated the roles of dopamine receptors in various aspects of courtship behavior in Drosophila. Here, we report that the D1 dopamine receptor dDA1 regulates courtship drive in naïve males. The wild‐type naïve males actively courted females regardless their appearance or mating status. On the contrary, the dDA1 mutant (dumb) males exhibited substantially reduced courtship toward less appealing females including decapitated, leg‐less and mated females. The dumb male's reduced courtship activity was due to delay in courtship initiation and prolonged intervals between courtship bouts. The dampened courtship drive of dumb males was rescued by reinstated dDA1 expression in the mushroom body α/β and γ neurons but not α/β or γ neurons alone, which is distinct from the previously characterized dDA1 functions in experience‐dependent courtship or other learning and memory processes. We also found that the dopamine receptors dDA1, DAMB and dD2R are dispensable for associative memory formation and short‐term memory of conditioned courtship, thus courtship motivation and associative courtship learning and memory are regulated by distinct neuromodulatory mechanisms. Taken together, our study narrows the gap in the knowledge of the mechanism that dopamine regulates male courtship behavior.
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Affiliation(s)
- J Lim
- Neuromodulation Disorders Cluster at Border Biomedical Research Center, Department of Biological Sciences, University of Texas at El Paso, El Paso, TX, USA
| | - A I Fernandez
- Neuromodulation Disorders Cluster at Border Biomedical Research Center, Department of Biological Sciences, University of Texas at El Paso, El Paso, TX, USA
| | - S J Hinojos
- Neuromodulation Disorders Cluster at Border Biomedical Research Center, Department of Biological Sciences, University of Texas at El Paso, El Paso, TX, USA
| | - G P Aranda
- Neuromodulation Disorders Cluster at Border Biomedical Research Center, Department of Biological Sciences, University of Texas at El Paso, El Paso, TX, USA
| | - J James
- Neuromodulation Disorders Cluster at Border Biomedical Research Center, Department of Biological Sciences, University of Texas at El Paso, El Paso, TX, USA
| | - C-S Seong
- Neuromodulation Disorders Cluster at Border Biomedical Research Center, Department of Biological Sciences, University of Texas at El Paso, El Paso, TX, USA
| | - K-A Han
- Neuromodulation Disorders Cluster at Border Biomedical Research Center, Department of Biological Sciences, University of Texas at El Paso, El Paso, TX, USA
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48
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Zhou X, Pardue MT, Iuvone PM, Qu J. Dopamine signaling and myopia development: What are the key challenges. Prog Retin Eye Res 2017; 61:60-71. [PMID: 28602573 DOI: 10.1016/j.preteyeres.2017.06.003] [Citation(s) in RCA: 176] [Impact Index Per Article: 25.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2017] [Revised: 05/23/2017] [Accepted: 06/05/2017] [Indexed: 01/11/2023]
Abstract
In the face of an "epidemic" increase in myopia over the last decades and myopia prevalence predicted to reach 2.5 billion people by the end of this decade, there is an urgent need to develop effective and safe therapeutic interventions to slow down this "myopia booming" and prevent myopia-related complications and vision loss. Dopamine (DA) is an important neurotransmitter in the retina and mediates diverse functions including retina development, visual signaling, and refractive development. Inspired by the convergence of epidemiological and animal studies in support of the inverse relationship between outdoor activity and risk of developing myopia and by the close biological relationship between light exposure and dopamine release/signaling, we felt it is timely and important to critically review the role of DA in myopia development. This review will revisit several key points of evidence for and against DA mediating light control of myopia: 1) the causal role of extracellular retinal DA levels, 2) the mechanism and action of dopamine D1 and D2 receptors and 3) the roles of cellular/circuit retinal pathways. We examine the experiments that show causation by altering DA, DA receptors and visual pathways using pharmacological, transgenic, or visual environment approaches. Furthermore, we critically evaluate the safety issues of a DA-based treatment strategy and some approaches to address these issues. The review identifies the key questions and challenges in translating basic knowledge on DA signaling and myopia from animal studies into effective pharmacological treatments for myopia in children.
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Affiliation(s)
- Xiangtian Zhou
- School of Ophthalmology and Optometry, Eye Hospital, Wenzhou Medical University, 270 Xueyuan Road, Wenzhou, Zhejiang 325003, China; State Key Laboratory of Ophthalmology, Optometry and Vision Science. 270 Xueyuan Road, Wenzhou, Zhejiang, 325003, China
| | - Machelle T Pardue
- Department of Biomedical Engineering, Georgia Institute of Technology, 313 Ferst Dr, Atlanta, GA 30332, United States; Center for Visual and Neurocognitive Rehabilitation, Atlanta VA Medical Center, 1670 Clairmont Rd, Decatur, GA 30033, United States
| | - P Michael Iuvone
- Department of Ophthalmology, Emory University School of Medicine, 1365B Clifton Rd NE, Atlanta, GA 30322, United States; Department of Pharmacology, Emory University School of Medicine, 1365B Clifton Rd NE, Atlanta, GA 30322, United States
| | - Jia Qu
- School of Ophthalmology and Optometry, Eye Hospital, Wenzhou Medical University, 270 Xueyuan Road, Wenzhou, Zhejiang 325003, China; State Key Laboratory of Ophthalmology, Optometry and Vision Science. 270 Xueyuan Road, Wenzhou, Zhejiang, 325003, China.
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49
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Wang Z, Liang S, Yu S, Xie T, Wang B, Wang J, Li Y, Shan B, Cui C. Distinct Roles of Dopamine Receptors in the Lateral Thalamus in a Rat Model of Decisional Impulsivity. Neurosci Bull 2017; 33:413-422. [PMID: 28585114 DOI: 10.1007/s12264-017-0146-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2016] [Accepted: 04/12/2017] [Indexed: 01/02/2023] Open
Abstract
The thalamus and central dopamine signaling have been shown to play important roles in high-level cognitive processes including impulsivity. However, little is known about the role of dopamine receptors in the thalamus in decisional impulsivity. In the present study, rats were tested using a delay discounting task and divided into three groups: high impulsivity (HI), medium impulsivity (MI), and low impulsivity (LI). Subsequent in vivo voxel-based magnetic resonance imaging revealed that the HI rats displayed a markedly reduced density of gray matter in the lateral thalamus compared with the LI rats. In the MI rats, the dopamine D1 receptor antagonist SCH23390 or the D2 receptor antagonist eticlopride was microinjected into the lateral thalamus. SCH23390 significantly decreased their choice of a large, delayed reward and increased their omission of lever presses. In contrast, eticlopride increased the choice of a large, delayed reward but had no effect on the omissions. Together, our results indicate that the lateral thalamus is involved in decisional impulsivity, and dopamine D1 and D2 receptors in the lateral thalamus have distinct effects on decisional impulsive behaviors in rats. These results provide a new insight into the dopamine signaling in the lateral thalamus in decisional impulsivity.
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Affiliation(s)
- Zhiyan Wang
- Neuroscience Research Institute, Peking University, Beijing, 100191, China.,Department of Neurobiology, School of Basic Medical Sciences, Peking University, Beijing, 100191, China.,Key Laboratory of Neuroscience, The Ministry of Education and Ministry of Public Health, Beijing, 100191, China
| | - Shengxiang Liang
- Division of Nuclear Technology and Applications, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, China
| | - Shuangshuang Yu
- Neuroscience Research Institute, Peking University, Beijing, 100191, China.,Department of Neurobiology, School of Basic Medical Sciences, Peking University, Beijing, 100191, China.,Key Laboratory of Neuroscience, The Ministry of Education and Ministry of Public Health, Beijing, 100191, China
| | - Tong Xie
- Neuroscience Research Institute, Peking University, Beijing, 100191, China.,Department of Neurobiology, School of Basic Medical Sciences, Peking University, Beijing, 100191, China.,Key Laboratory of Neuroscience, The Ministry of Education and Ministry of Public Health, Beijing, 100191, China
| | - Baicheng Wang
- Neuroscience Research Institute, Peking University, Beijing, 100191, China.,Department of Neurobiology, School of Basic Medical Sciences, Peking University, Beijing, 100191, China.,Key Laboratory of Neuroscience, The Ministry of Education and Ministry of Public Health, Beijing, 100191, China
| | - Junkai Wang
- Neuroscience Research Institute, Peking University, Beijing, 100191, China.,Department of Neurobiology, School of Basic Medical Sciences, Peking University, Beijing, 100191, China.,Key Laboratory of Neuroscience, The Ministry of Education and Ministry of Public Health, Beijing, 100191, China
| | - Yijing Li
- Neuroscience Research Institute, Peking University, Beijing, 100191, China.,Department of Neurobiology, School of Basic Medical Sciences, Peking University, Beijing, 100191, China.,Key Laboratory of Neuroscience, The Ministry of Education and Ministry of Public Health, Beijing, 100191, China
| | - Baoci Shan
- Division of Nuclear Technology and Applications, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, China
| | - Cailian Cui
- Neuroscience Research Institute, Peking University, Beijing, 100191, China. .,Department of Neurobiology, School of Basic Medical Sciences, Peking University, Beijing, 100191, China. .,Key Laboratory of Neuroscience, The Ministry of Education and Ministry of Public Health, Beijing, 100191, China.
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50
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Perez XA, Zhang D, Bordia T, Quik M. Striatal D1 medium spiny neuron activation induces dyskinesias in parkinsonian mice. Mov Disord 2017; 32:538-548. [PMID: 28256010 DOI: 10.1002/mds.26955] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2016] [Revised: 12/21/2016] [Accepted: 01/19/2017] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Dyskinesias are a disabling motor complication that arises with prolonged l-dopa treatment. Studies using D1 receptor drugs and genetically modified mice suggest that medium spiny neurons expressing D1 receptors play a primary role in l-dopa-induced dyskinesias. However, the specific role of these neurons in dyskinesias is not fully understood. METHODS We used optogenetics, which allows for precise modulation of select neurons in vivo, to investigate whether striatal D1-expressing medium spiny neuron activity regulates abnormal involuntary movements or dyskinesia in parkinsonian mice. D1-cre mice unilaterally lesioned with 6-hydroxydopamine received striatal injections of cre-dependent channelrhodopsin2 virus or control virus. After stable virus expression, the effect of optical stimulation on dyskinesia was tested in l-dopa-naïve and l-dopa-primed mice. RESULTS Single-pulse and burst-optical stimulation of D1-expressing medium spiny neurons induced dyskinesias in l-dopa-naïve channelrhodopsin2 mice. In stably dyskinetic mice, l-dopa injection induced dyskinesia to a similar or somewhat greater extent than optical stimulation. Combined l-dopa administration and stimulation resulted in an additive increase in dyskinesias, indicating that other mechanisms also contribute. Molecular studies indicate that changes in extracellular signal-regulated kinase phosphorylation in D1-expressing medium spiny neurons are involved. Optical stimulation did not ameliorate parkinsonism in l-dopa-naïve mice. However, it improved parkinsonism in l-dopa-primed mice to a similar extent as l-dopa administration. None of the stimulation paradigms enhanced dyskinesia or modified parkinsonism in l-dopa-naïve or l-dopa-primed control virus mice. CONCLUSION The data provide direct evidence that striatal D1-expressing medium spiny neuron stimulation is sufficient to induce dyskinesias and contributes to the regulation of motor control. © 2017 International Parkinson and Movement Disorder Society.
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Affiliation(s)
- Xiomara A Perez
- Bioscience Division, SRI International, Menlo Park, California, USA
| | - Danhui Zhang
- Bioscience Division, SRI International, Menlo Park, California, USA
| | - Tanuja Bordia
- Bioscience Division, SRI International, Menlo Park, California, USA
| | - Maryka Quik
- Bioscience Division, SRI International, Menlo Park, California, USA
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