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Pogorelov VM, Rodriguiz RM, Roth BL, Wetsel WC. The G protein biased serotonin 5-HT2A receptor agonist lisuride exerts anti-depressant drug-like activities in mice. Front Mol Biosci 2023; 10:1233743. [PMID: 37900918 PMCID: PMC10603247 DOI: 10.3389/fmolb.2023.1233743] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Accepted: 09/19/2023] [Indexed: 10/31/2023] Open
Abstract
There is now evidence from multiple Phase II clinical trials that psychedelic drugs can exert long-lasting anxiolytic, anti-depressant, and anti-drug abuse (nicotine and ethanol) effects in patients. Despite these benefits, the hallucinogenic actions of these drugs at the serotonin 2A receptor (5-HT2AR) limit their clinical use in diverse settings. Activation of the 5-HT2AR can stimulate both G protein and β-arrestin (βArr) -mediated signaling. Lisuride is a G protein biased agonist at the 5-HT2AR and, unlike the structurally-related lysergic acid diethylamide (LSD), the drug does not typically produce hallucinations in normal subjects at routine doses. Here, we examined behavioral responses to lisuride, in wild-type (WT), βArr1-knockout (KO), and βArr2-KO mice. In the open field, lisuride reduced locomotor and rearing activities, but produced a U-shaped function for stereotypies in both βArr lines of mice. Locomotion was decreased overall in βArr1-KOs and βArr2-KOs relative to wild-type controls. Incidences of head twitches and retrograde walking to lisuride were low in all genotypes. Grooming was decreased in βArr1 mice, but was increased then decreased in βArr2 animals with lisuride. Serotonin syndrome-associated responses were present at all lisuride doses in WTs, but they were reduced especially in βArr2-KO mice. Prepulse inhibition (PPI) was unaffected in βArr2 mice, whereas 0.5 mg/kg lisuride disrupted PPI in βArr1 animals. The 5-HT2AR antagonist MDL100907 failed to restore PPI in βArr1 mice, whereas the dopamine D2/D3 antagonist raclopride normalized PPI in WTs but not in βArr1-KOs. Clozapine, SCH23390, and GR127935 restored PPI in both βArr1 genotypes. Using vesicular monoamine transporter 2 mice, lisuride reduced immobility times in tail suspension and promoted a preference for sucrose that lasted up to 2 days. Together, it appears βArr1 and βArr2 play minor roles in lisuride's actions on many behaviors, while this drug exerts anti-depressant drug-like responses without hallucinogenic-like activities.
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Affiliation(s)
- Vladimir M. Pogorelov
- Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, NC, United States
| | - Ramona M. Rodriguiz
- Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, NC, United States
- Mouse Behavioral and Neuroendocrine Analysis Core Facility, Duke University Medical Center, Durham, NC, United States
| | - Bryan L. Roth
- Department of Pharmacology, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, NC, United States
- Center for Integrative Chemical Biology and Drug Discovery, Division of Chemical Biology and Medicinal Chemistry, Eshelman School of Pharmacy, National Institute of Mental Health Psychoactive Drug Screening Program, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, NC, United States
| | - William C. Wetsel
- Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, NC, United States
- Mouse Behavioral and Neuroendocrine Analysis Core Facility, Duke University Medical Center, Durham, NC, United States
- Departments of Cell Biology and Neurobiology, Duke University Medical Center, Durham, NC, United States
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Pogorelov VM, Rodriguiz RM, Roth BL, Wetsel WC. The G protein biased serotonin 5-HT 2A receptor agonist lisuride exerts anti-depressant drug-like activities in mice. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.06.01.543310. [PMID: 37333376 PMCID: PMC10274653 DOI: 10.1101/2023.06.01.543310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/20/2023]
Abstract
There is now evidence from multiple Phase II clinical trials that psychedelic drugs can exert longlasting anxiolytic, anti-depressant, and anti-drug abuse (nicotine and ethanol) effects in patients. Despite these benefits, the hallucinogenic actions of these drugs at the serotonin 2A receptor (5-HT2AR) limit their clinical use in diverse settings. Activation of the 5-HT2AR can stimulate both G protein and β-arrestin (βArr) -mediated signaling. Lisuride is a G protein biased agonist at the 5-HT2AR and, unlike the structurally-related LSD, the drug does not typically produce hallucinations in normal subjects at routine doses. Here, we examined behavioral responses to lisuride, in wild-type (WT), βArr1-KO, and βArr2-KO mice. In the open field, lisuride reduced locomotor and rearing activities, but produced a U-shaped function for stereotypies in both βArr lines of mice. Locomotion was decreased overall in βArr1-KOs and βArr2-KOs, relative to WT controls. Incidences of head twitches and retrograde walking to lisuride were low in all genotypes. Grooming was depressed in βArr1 mice, but was increased then decreased in βArr2 animals with lisuride. Prepulse inhibition (PPI) was unaffected in βArr2 mice, whereas 0.5 mg/kg lisuride disrupted PPI in βArr1 animals. The 5-HT2AR antagonist MDL100907 failed to restore PPI in βArr1 mice, whereas the dopamine D2/D3 antagonist raclopride normalized PPI in WTs but not in βArr1-KOs. Using vesicular monoamine transporter 2 mice, lisuride reduced immobility times in tail suspension and promoted a preference for sucrose that lasted up to 2 days. Together, it appears βArr1 and βArr2 play minor roles in lisuride's actions on many behaviors, while this drug exerts anti-depressant drug-like responses without hallucinogenic-like activities.
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Affiliation(s)
- Vladimir M. Pogorelov
- Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, NC 27710, USA
| | - Ramona M. Rodriguiz
- Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, NC 27710, USA
- Mouse Behavioral and Neuroendocrine Analysis Core Facility, Duke University Medical Center, Durham, NC, 27710, USA
| | - Bryan L. Roth
- Department of Pharmacology, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, NC 27599, USA
- National Institute of Mental Health Psychoactive Drug Screening Program, Center for Integrative Chemical Biology and Drug Discovery, Division of Chemical Biology and Medicinal Chemistry, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, NC 27599, USA
| | - William C. Wetsel
- Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, NC 27710, USA
- Mouse Behavioral and Neuroendocrine Analysis Core Facility, Duke University Medical Center, Durham, NC, 27710, USA
- Departments of Cell Biology and Neurobiology, Duke University Medical Center, Durham, NC 27710, USA
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Abstract
The maintenance of intravenous (i.v.) cocaine self-administration appears to depend upon activation of dopamine terminals within mesocorticolimbic areas. Since the nonaddictive ergot derivative lisuride is a direct dopamine receptor agonist, the present study was designed to investigate whether administration of lisuride to rats trained to lever-press for IV self-administration of cocaine could affect the intake of cocaine. IP administration of several doses of lisuride reduced, in a dose-dependent manner, cocaine self-administration. In a control experiment, lisuride did not increase the psychomotor-activating properties of cocaine as measured by locomotor activity, suggesting that lisuride did not simply potentiate the activating effects of cocaine. The present results show that lisuride reduced IV cocaine self-administration in rats; the possibility of a new therapeutic approach to the treatment of cocaine abuse in humans using lisuride may therefore deserve clinical attention.
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Affiliation(s)
- L Pulvirenti
- Department of Neuropharmacology, Scripps Research Institute, La Jolla, CA 92037
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Nisoli E, Tonello C, Memo M, Pizzi M, Spano P, Reina G, Carruba MO. Tolerance to hypoactivity and sensitization to hyperactivity after chronic treatment with a presynaptic dose of lisuride in rats. Eur J Pharmacol 1992; 216:81-6. [PMID: 1356088 DOI: 10.1016/0014-2999(92)90212-m] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
We studied the adaptive changes of the locomotor effects of lisuride, a selective agonist for dopamine (DA) D2 receptors, and the functional state of D1 and D2 receptors after repeated administration of lisuride at a dose supposed to act preferentially on DA autoreceptors. Rats were treated daily with saline or lisuride, at a dose that causes a significant reduction in locomotor activity when given to naive rats (25 micrograms/kg i.p.), for 33 days and the effect of different challenging doses of the drug on locomotor activity was measured at different times during and after the treatment. The functional state of D1 and D2 DA receptors was evaluated by measuring SKF 82526-stimulated and LY 171555-inhibited adenylate cyclase (AC) activity in the caudatus/putamen, nucleus accumbens and substantia nigra and naive and chronically treated rats. There was a progressive decline in the ability of lisuride to decrease locomotor activity in rats given daily injections of lisuride, and there was a marked reduction in the threshold dose of lisuride for causing hypermotility. The functional state of DA receptors, positively or negatively linked to AC activity, was not modified by the treatment. The most suitable explanation of the reported adaptive behavioral changes is a down-regulation of DA autoreceptors after chronic treatment with presynaptic doses of lisuride.
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MESH Headings
- 2,3,4,5-Tetrahydro-7,8-dihydroxy-1-phenyl-1H-3-benzazepine/analogs & derivatives
- 2,3,4,5-Tetrahydro-7,8-dihydroxy-1-phenyl-1H-3-benzazepine/pharmacology
- Adenylyl Cyclases/metabolism
- Analysis of Variance
- Animals
- Brain/drug effects
- Brain/metabolism
- Down-Regulation
- Drug Tolerance
- Ergolines/pharmacology
- Fenoldopam
- Lisuride/administration & dosage
- Lisuride/pharmacology
- Male
- Motor Activity/drug effects
- Quinpirole
- Radioimmunoassay
- Rats
- Rats, Inbred Strains
- Receptors, Dopamine/drug effects
- Receptors, Dopamine/metabolism
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Affiliation(s)
- E Nisoli
- Department of Biomedical Sciences and Biotechnologies, School of Medicine, University of Brescia, Italy
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Foreman MM, Hall JL. Effects of D2-dopaminergic receptor stimulation on male rat sexual behavior. J Neural Transm (Vienna) 1987; 68:153-70. [PMID: 2951493 DOI: 10.1007/bf02098495] [Citation(s) in RCA: 83] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
The effects of selective D2-dopaminergic receptor stimulation with LY163502 on male rat copulatory behavior were evaluated. LY163502 (25 ng/kg to 25 micrograms/kg s.c.) produced increases in the percentage of sexually inactive rats displaying mounting behavior and ejaculating during the test period. Within this same dose range, LY163502 administration induced an increase in the percentage of non-ejaculator rats that were capable of ejaculation. These findings are viewed as evidence that LY163502 can initiate sexual behavior and lower the threshold for ejaculation. The effects of LY163502 were further evaluated in rats that were capable of ejaculation during the test period. LY163502 (25 ng/kg to 25 micrograms/kg s.c. or p.o.) induced significant reductions in ejaculatory latency. These effects were blocked by prior treatment with centrally active dopaminergic antagonists, RO 22-1319 and sulpiride, but not with a peripherally active antagonist, domperidone. LY163502 administration was also found to inhibit sexual behavior in low doses of 25 pg/kg-10 ng/kg s.c. and in a much larger dose of 25 mg/kg s.c. These inhibitory effects are viewed as behavioral manifestations of selective dopaminergic autoreceptor activation with low doses and as the disruption of sexual behavior by induction of intense stereotypic behavior with high doses.
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Pizzi M, Coen E, Memo M, Missale C, Carruba MO, Spano PF. Evidence for the presence of D2 but not D1 dopamine receptors in rat hypothalamic perifornical area. Neurosci Lett 1986; 67:159-62. [PMID: 2941702 DOI: 10.1016/0304-3940(86)90390-3] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Behavioural studies have shown that the perifornical hypothalamus (PFH) plays a fundamental role in mediating dopamine-induced anorexia. In the present report, we provide biochemical evidence for the occurrence of dopamine receptors in the PFH, but not in the paraventricular nucleus of the hypothalamus. Dopamine as well as bromocriptine, a D2 dopamine receptor agonist, strongly reduced the adenylate cyclase activity in the PFH. This inhibitory effect was reversed by haloperidol and by (-)-sulpiride, but not by (+)-sulpiride. On the contrary, the selective D1 dopamine agonist SKF 82526 was completely inactive in affecting adenylate cyclase activity. Our conclusion asserts the existence of dopamine D2 but not D1 receptors in the PFH, which therefore can be conceived as the only region in the brain where a single class of dopamine receptors is present.
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Hanada S, Hijikuro K, Kaneto H. Reverse tolerance to the swimming time prolonging effect of d-amphetamine in mice. JAPANESE JOURNAL OF PHARMACOLOGY 1986; 41:81-6. [PMID: 3735813 DOI: 10.1254/jjp.41.81] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Development and disappearance of reverse tolerance to the swimming time prolonging effect of d-amphetamine (AMP) was studied in mice in comparison with that to the ambulation accelerating effect. The swimming time prolonging effect was progressively enhanced by daily administration of 2 mg/kg AMP. The development of reverse tolerance to the effect was more rapid than that to the ambulation accelerating effect and reached its maximal level by 5-6 repetitions. Repetition at a daily interval was more effective than at the interval of 3-4 days, and administration at a weekly interval failed to develop the reverse tolerance. Restriction of swimming space or immobilization in a small box after administration of AMP blocked the development of reverse tolerance. Reverse tolerance to the swimming time prolonging effect disappeared faster than that to the ambulation accelerating effect, but the enhancement was well maintained after 30 days of withdrawal. Thus, many factors affect the development of reverse tolerance to the various effects of AMP; however, the swimming time prolonging effect is a simple, sensitive, and reproducible index for the study of this phenomenon.
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