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de Oliveira-Higa MA, da Silva Rodrigues P, Sampaio ACS, de Camargo Coque A, Kirsten TB, Massironi SMG, Alexandre-Ribeiro SR, Mori CMC, da Silva RA, Bernardi MM. The dopaminergic D1 receptor modulates the hyperactivity of Bapa mutant mice. Behav Brain Res 2023; 452:114562. [PMID: 37394124 DOI: 10.1016/j.bbr.2023.114562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 06/19/2023] [Accepted: 06/29/2023] [Indexed: 07/04/2023]
Abstract
The mutant bate-palmas ("claps"; symbol - bapa) mice induced by the mutagenic chemical ENU present motor incoordination and postural alterations. A previous study showed that bapa mice present increased motor/exploratory behaviors during the prepubertal period due to increased striatal tyrosine hydroxylase expression, suggesting striatal dopaminergic system hyperactivity. This study aimed to evaluate the involvement of striatal dopaminergic receptors in the hyperactivity of bapa mice. Male bapa mice and their wild strain (WT) were used. Spontaneous motor behavior was observed in the open-field test, and stereotypy was evaluated after apomorphine administration. The effects of DR1 and DR2 dopaminergic antagonists (SCH-23,390; sulpiride) and the striatal DR1 and D2 receptor gene expression were evaluated. Relative to WT, bapa mice showed: 1) increased general activity for four days; 2) increased rearing and sniffing behavior and decreased immobility after apomorphine; 3) blockage of rearing behavior after the DR2 antagonist but no effect after DR1 antagonist; 4) blockage of sniffing behavior after the DR1 antagonist in bapa and WT mice but no effect after the DR2 antagonist; 5) increased immobility after the DR1 antagonist but no effect after the DR2 antagonist; 6) increased expression of striatal DR1 receptor gene and reduced the DR2 expression gene after apomorphine administration. Bapa mice showed increased activity in open field behavior. The increased rearing behavior induced by apomorphine of bapa mice resulted from the increased gene expression of the DR1 receptor.
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Affiliation(s)
- Marisa Alves de Oliveira-Higa
- Psychoneuroimmunology Laboratory, Program in Environmental and Experimental Pathology, Paulista University, São Paulo, Brazil
| | - Paula da Silva Rodrigues
- Psychoneuroimmunology Laboratory, Program in Environmental and Experimental Pathology, Paulista University, São Paulo, Brazil
| | - Ana Claudia Silva Sampaio
- Psychoneuroimmunology Laboratory, Program in Environmental and Experimental Pathology, Paulista University, São Paulo, Brazil
| | - Alex de Camargo Coque
- Psychoneuroimmunology Laboratory, Program in Environmental and Experimental Pathology, Paulista University, São Paulo, Brazil
| | - Thiago Berti Kirsten
- Psychoneuroimmunology Laboratory, Program in Environmental and Experimental Pathology, Paulista University, São Paulo, Brazil
| | - Silvia Maria Gomes Massironi
- CEEpiRG - Center for Epigenetic Study and Genic Regulation, Program in Environmental and Experimental Pathology, Paulista University, São Paulo, Brazil; Experimental and Comparative Pathology, Department of Pathology, School of Veterinary Medicine and Animal Science, University of São Paulo, Brazil
| | | | - Claudia Madalena Cabrera Mori
- Experimental and Comparative Pathology, Department of Pathology, School of Veterinary Medicine and Animal Science, University of São Paulo, Brazil
| | - Rodrigo Augusto da Silva
- Psychoneuroimmunology Laboratory, Program in Environmental and Experimental Pathology, Paulista University, São Paulo, Brazil; CEEpiRG - Center for Epigenetic Study and Genic Regulation, Program in Environmental and Experimental Pathology, Paulista University, São Paulo, Brazil
| | - Maria Martha Bernardi
- Psychoneuroimmunology Laboratory, Program in Environmental and Experimental Pathology, Paulista University, São Paulo, Brazil.
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Bricker B, Voshavar C, Onyameh EK, Gonela UM, Lin X, Swanson TL, Kozell LB, Schmachtenberg JL, Bloom SH, Janowsky AJ, Ablordeppey SY. Enantiomeric Separation, Absolute Configuration by X-ray Crystallographic Analysis, and Functional Evaluation of Enantiomers of the Dual Ligand, SYA0340 at 5-HT 1A and 5-HT 7A Receptors. ACS OMEGA 2023; 8:21736-21744. [PMID: 37360419 PMCID: PMC10285950 DOI: 10.1021/acsomega.3c01283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Accepted: 05/25/2023] [Indexed: 06/28/2023]
Abstract
We have previously identified 5-chloro-2-methyl-2-(3-(4-(pyridin-2-yl)piperazin-1-yl)propyl)-2,3-dihydro-1H-inden-1-one (SYA0340) as a dual 5-HT1A and 5-HT7 receptor ligand, and we posited such ligands might find utility in the treatment of various CNS related illnesses including cognitive and anxiolytic impairments. However, SYA0340 has a chiral center and its enantiomers may confound the readouts for their functional characteristics. Thus, in this study, we resynthesized SYA0340, separated the enantiomers, identified the absolute configurations, and evaluated their binding affinities and functional characteristics at both the 5-HT1A and 5-HT7A receptors. The results of this study show that the (+)-SYA0340-P1 [specific rotation [α] = +18.4 (deg.mL)/(g.dm)] has a binding affinity constant, Ki = 1.73 ± 0.55 nM at 5-HT1AR and Ki = 2.20 ± 0.33 nM at 5-HT7AR and (-)-SYA0340-P2 [specific rotation [α] = -18.2 (deg.mL)/(g.dm)] has Ki = 1.06 ± 0.32 nM (5-HT1AR) and 4.7 ± 1.1 nM (5-HT7AR). Using X-ray crystallographic techniques, the absolute configuration of the P2 isomer was identified as the S-enantiomer and, therefore, the P1 isomer as the R-enantiomer. Functionally, both SYA0340-P1 (EC50 = 1.12 ± 0.41 nM; Emax = 94.6 ± 3.1%) and SYA0340-P2 (EC50 = 2.21 ± 0.59 nM; Emax = 96.8 ± 5.1%) display similar agonist properties at the 5-HT1AR while both enantiomers display antagonist properties at the 5-HT7AR with P1 (IC50 = 32.1 ± 9.2 nM) displaying over 8 times greater potency as P2 (IC50 = 277 ± 46 nM). Thus, based on the functional evaluation results, SYA0340-P1 is considered as the eutomer of the pair of enantiomers of SYA0340. It is expected that these enantiomers will serve as new pharmacological probes for the 5-HT1A and 5-HT7A receptors.
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Affiliation(s)
- Barbara
A. Bricker
- Division
of Basic Pharmaceutical Sciences, College of Pharmacy and Pharmaceutical
Sciences, Institute of Public Health, Florida
A&M University, Tallahassee, Florida 32307, United States
| | - Chandrashekhar Voshavar
- Division
of Basic Pharmaceutical Sciences, College of Pharmacy and Pharmaceutical
Sciences, Institute of Public Health, Florida
A&M University, Tallahassee, Florida 32307, United States
| | - Edem K. Onyameh
- Division
of Basic Pharmaceutical Sciences, College of Pharmacy and Pharmaceutical
Sciences, Institute of Public Health, Florida
A&M University, Tallahassee, Florida 32307, United States
| | - Uma M. Gonela
- Division
of Basic Pharmaceutical Sciences, College of Pharmacy and Pharmaceutical
Sciences, Institute of Public Health, Florida
A&M University, Tallahassee, Florida 32307, United States
| | - Xinsong Lin
- Department
of Chemistry and Biochemistry, Florida State
University, 95 Chieftan Way Room 118 DLC, Tallahassee, Florida 32306-4390, United States
| | - Tracy L. Swanson
- Research
Service, VA Portland Health Care System, and Department of Psychiatry, Oregon Health and Science University, Portland Oregon 97239, United States
| | - Laura B. Kozell
- Research
Service, VA Portland Health Care System, and Department of Psychiatry, Oregon Health and Science University, Portland Oregon 97239, United States
| | - Jennifer L. Schmachtenberg
- Research
Service, VA Portland Health Care System, and Department of Psychiatry, Oregon Health and Science University, Portland Oregon 97239, United States
| | - Shelley H. Bloom
- Research
Service, VA Portland Health Care System, and Department of Psychiatry, Oregon Health and Science University, Portland Oregon 97239, United States
| | - Aaron J. Janowsky
- Research
Service, VA Portland Health Care System, and Department of Psychiatry, Oregon Health and Science University, Portland Oregon 97239, United States
| | - Seth Y. Ablordeppey
- Division
of Basic Pharmaceutical Sciences, College of Pharmacy and Pharmaceutical
Sciences, Institute of Public Health, Florida
A&M University, Tallahassee, Florida 32307, United States
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