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Masmudi-Martín M, López-Aranda MF, Navarro-Lobato I, Khan ZU. A role of frontal association cortex in long-term object recognition memory of objects with complex features in rats. Eur J Neurosci 2024; 59:1743-1752. [PMID: 38238909 DOI: 10.1111/ejn.16243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 11/21/2023] [Accepted: 12/13/2023] [Indexed: 04/04/2024]
Abstract
Perirhinal cortex is a brain area that has been considered crucial for the object recognition memory (ORM). However, with the use of an ORM enhancer named RGS14414 as gain-in-function tool, we show here that frontal association cortex and not the Perirhinal cortex is essential for the ORM of objects with complex features that consisted of detailed drawing on the object surface (complex ORM). An expression of RGS14414, in rat brain frontal association cortex, induced the formation of long-term complex ORM, whereas the expression of the same memory enhancer in Perirhinal cortex failed to produce this effect. Instead, RGS14414 expression in Perirhinal cortex caused the formation of ORM of objects with simple features that consisted of the shape of object (simple ORM). Further, a selective elimination of frontal association cortex neurons by treatment with an immunotoxin Ox7-SAP completely abrogated the formation of complex ORM. Thus, our results suggest that frontal association cortex plays a key role in processing of a high-order recognition memory information in brain.
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Affiliation(s)
- Mariam Masmudi-Martín
- Laboratory of Neurobiology, CIMES, University of Malaga, Malaga, Spain
- Department of Medicine, Faculty of Medicine, University of Malaga, Malaga, Spain
- Brain Metastasis Group, National Cancer Research Centre (CNIO), Madrid, Spain
| | - Manuel F López-Aranda
- Laboratory of Neurobiology, CIMES, University of Malaga, Malaga, Spain
- Department of Medicine, Faculty of Medicine, University of Malaga, Malaga, Spain
- Department of Neurobiology, University of California-Los Angeles, Los Angeles, California, USA
| | - Irene Navarro-Lobato
- Laboratory of Neurobiology, CIMES, University of Malaga, Malaga, Spain
- Department of Medicine, Faculty of Medicine, University of Malaga, Malaga, Spain
- Donders Institute for Brain Cognition and Behaviour, Radboud University, Nijmegen, The Netherlands
| | - Zafar U Khan
- Laboratory of Neurobiology, CIMES, University of Malaga, Malaga, Spain
- Department of Medicine, Faculty of Medicine, University of Malaga, Malaga, Spain
- CIBERNED, Institute of Health Carlos III, Madrid, Spain
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2
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Masmudi‐Martín M, Navarro‐Lobato I, López‐Aranda MF, Quiros‐Ortega ME, Carretero‐Rey M, Garcia‐Garrido MF, López Téllez JF, Jiménez‐Recuerda I, Muñoz de Leon López CA, Khan ZU. Brain areas interconnected to ventral pathway circuits are independently able to induce enhancement in object recognition memory and cause reversal in object recognition memory deficit. CNS Neurosci Ther 2024; 30:e14727. [PMID: 38644593 PMCID: PMC11033489 DOI: 10.1111/cns.14727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 04/02/2024] [Accepted: 04/03/2024] [Indexed: 04/23/2024] Open
Abstract
AIMS Ventral pathway circuits are constituted by the interconnected brain areas that are distributed throughout the brain. These brain circuits are primarily involved in processing of object related information in brain. However, their role in object recognition memory (ORM) enhancement remains unknown. Here, we have studied on the implication of these circuits in ORM enhancement and in reversal of ORM deficit in aging. METHODS The brain areas interconnected to ventral pathway circuits in rat brain were activated by an expression of a protein called regulator of G-protein signaling 14 of 414 amino acids (RGS14414). RGS14414 is an ORM enhancer and therefore used here as a gain-in-function tool. ORM test and immunohistochemistry, lesions, neuronal arborization, and knockdown studies were performed to uncover the novel function of ventral pathway circuits. RESULTS An activation of each of the brain areas interconnected to ventral pathway circuits individually induced enhancement in ORM; however, same treatment in brain areas not interconnected to ventral pathway circuits produced no effect. Further study in perirhinal cortex (PRh), area V2 of visual cortex and frontal cortex (FrC), which are brain areas that have been shown to be involved in ORM and are interconnected to ventral pathway circuits, revealed that ORM enhancement seen after the activation of any one of the three brain areas was unaffected by the lesions in other two brain areas either individually in each area or even concurrently in both areas. This ORM enhancement in all three brain areas was associated to increase in structural plasticity of pyramidal neurons where more than 2-fold higher dendritic spines were observed. Additionally, we found that an activation of either PRh, area V2, or FrC not only was adequate but also was sufficient for the reversal of ORM deficit in aging rats, and the blockade of RGS14414 activity led to loss in increase in dendritic spine density and failure in reversal of ORM deficit. CONCLUSIONS These results suggest that brain areas interconnected to ventral pathway circuits facilitate ORM enhancement by an increase in synaptic connectivity between the local brain area circuits and the passing by ventral pathway circuits and an upregulation in activity of ventral pathway circuits. In addition, the finding of the reversal of ORM deficit through activation of an interconnected brain area might serve as a platform for developing not only therapy against memory deficits but also strategies for other brain diseases in which neuronal circuits are compromised.
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Affiliation(s)
- Mariam Masmudi‐Martín
- Laboratory of NeurobiologyCIMESUniversity of MalagaMalagaSpain
- Department of MedicineFaculty of MedicineUniversity of MalagaMalagaSpain
- Present address:
Brain Metastasis GroupNational Cancer Research Centre (CNIO)MadridSpain
| | - Irene Navarro‐Lobato
- Laboratory of NeurobiologyCIMESUniversity of MalagaMalagaSpain
- Department of MedicineFaculty of MedicineUniversity of MalagaMalagaSpain
| | - Manuel F. López‐Aranda
- Laboratory of NeurobiologyCIMESUniversity of MalagaMalagaSpain
- Department of MedicineFaculty of MedicineUniversity of MalagaMalagaSpain
- Present address:
Departmento de Biología celular, Genética y FisiologíaUniversidad de MálagaMálagaMálagaSpain
| | - María E. Quiros‐Ortega
- Laboratory of NeurobiologyCIMESUniversity of MalagaMalagaSpain
- Department of MedicineFaculty of MedicineUniversity of MalagaMalagaSpain
| | - Marta Carretero‐Rey
- Laboratory of NeurobiologyCIMESUniversity of MalagaMalagaSpain
- Department of MedicineFaculty of MedicineUniversity of MalagaMalagaSpain
| | - María F. Garcia‐Garrido
- Laboratory of NeurobiologyCIMESUniversity of MalagaMalagaSpain
- Department of MedicineFaculty of MedicineUniversity of MalagaMalagaSpain
| | - Juan F. López Téllez
- Laboratory of NeurobiologyCIMESUniversity of MalagaMalagaSpain
- Department of MedicineFaculty of MedicineUniversity of MalagaMalagaSpain
| | - Inmaculada Jiménez‐Recuerda
- Laboratory of NeurobiologyCIMESUniversity of MalagaMalagaSpain
- Department of MedicineFaculty of MedicineUniversity of MalagaMalagaSpain
| | - Cristina A. Muñoz de Leon López
- Laboratory of NeurobiologyCIMESUniversity of MalagaMalagaSpain
- Department of MedicineFaculty of MedicineUniversity of MalagaMalagaSpain
| | - Zafar U. Khan
- Laboratory of NeurobiologyCIMESUniversity of MalagaMalagaSpain
- Department of MedicineFaculty of MedicineUniversity of MalagaMalagaSpain
- CIBERNEDInstitute of Health Carlos IIIMadridSpain
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3
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Wolter M, Lapointe T, Baidoo N, Mitchnick KA, Wideman C, Winters BD, Leri F. Double dissociation of perirhinal nicotinic acetylcholine receptors and dopamine D2 receptors in modulation of object memory consolidation by nicotine, cocaine and their conditioned stimuli. Eur Neuropsychopharmacol 2023; 72:50-59. [PMID: 37086715 DOI: 10.1016/j.euroneuro.2023.04.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 03/27/2023] [Accepted: 04/03/2023] [Indexed: 04/24/2023]
Abstract
There are indications that drug conditioned stimuli (CS) may activate neurochemical systems of memory modulation that are activated by the drugs themselves. To directly test this hypothesis, a cholinergic nicotinic receptor antagonist (mecamylamine; MEC: 0, 10 or 30 µg/side) and a dopamine D2 receptor antagonist (l-741,626: 0, 0.63, 2.5 µg/side) were infused in the perirhinal cortex (PRh) to block modulation of object recognition memory consolidation induced by 0.4 mg/kg nicotine, 20 mg/kg cocaine, or their CSs. To establish these CSs, male Sprague-Dawley rats were confined for 2 h in a chamber, the CS+, after injections of 0.4 mg/kg nicotine, or 20 mg/kg cocaine, and in another chamber, the CS-, after injections of vehicle. This was repeated over 10 days (5 drug/CS+ and 5 vehicle/CS- pairings in total). It was found that the memory enhancing action of post-sample nicotine was blocked by intra-PRh infusions of both MEC doses, and 30 µg/side MEC also blocked the memory enhancing action of the nicotine CS. Interestingly, intra-PRh MEC did not block the memory enhancing effect of cocaine, nor that of the cocaine CS. In contrast, the memory enhancing action of post-sample cocaine administration was blocked by both l-741,626 doses, and 2.5 µg/side also blocked the effect of the cocaine CS, but not the memory effects of nicotine or of the nicotine CS. This functional double dissociation strongly indicates that drug CSs modulate memory consolidation by activating neural systems that are activated by the drugs themselves.
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Affiliation(s)
- Michael Wolter
- Department of Psychology & Neuroscience Specialization, University of Guelph, ON, N1G 2W1 Canada
| | - Thomas Lapointe
- Department of Psychology & Neuroscience Specialization, University of Guelph, ON, N1G 2W1 Canada
| | - Nana Baidoo
- Department of Psychology & Neuroscience Specialization, University of Guelph, ON, N1G 2W1 Canada
| | | | - Cassidy Wideman
- Department of Psychology & Neuroscience Specialization, University of Guelph, ON, N1G 2W1 Canada
| | - Boyer D Winters
- Department of Psychology & Neuroscience Specialization, University of Guelph, ON, N1G 2W1 Canada
| | - Francesco Leri
- Department of Psychology & Neuroscience Specialization, University of Guelph, ON, N1G 2W1 Canada.
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4
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Ramirez-Mejia G, Gil-Lievana E, Urrego-Morales O, Galvez-Marquez D, Hernández-Ortiz E, Carrillo-Lorenzo JA, Bermúdez-Rattoni F. Salience to remember: VTA-IC dopaminergic pathway activity is necessary for object recognition memory formation. Neuropharmacology 2023; 228:109464. [PMID: 36804534 DOI: 10.1016/j.neuropharm.2023.109464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 02/08/2023] [Accepted: 02/09/2023] [Indexed: 02/17/2023]
Abstract
Previous studies have shown that dopaminergic activity modulates the salience of novel stimuli enabling the formation of recognition memories. In this work, we hypothesize that dopamine released into the insular cortex (IC) from the ventral tegmental area (VTA) inputs enables the acquisition to consolidate object recognition memory. It has been reported that short training produces weak recognition memories; on the contrary, longer training produces lasting and robust recognition memories. Using a Cre-recombinase under the tyrosine hydroxylase (TH+) promoter mouse model, we photostimulated the VTA-IC dopaminergic pathway during short training or photoinhibited the same pathway during long training while mice explored objects. Our results showed that the photostimulation of the VTA-IC pathway during a short training enables the acquisition of recognition memory. Conversely, photoinhibition of the same pathway during a long training prevents the acquisition of recognition memory. Interestingly, the exploration time of the objects under photoinhibition or photostimulation of the dopaminergic VTA-IC pathway was not altered. Significantly, this enhancement of acquisition of the object recognition memory through the photostimulation of the VTA dopaminergic neurons could be impaired by the blockage of the D1-like receptors into the IC, either before or after the photostimulation. Altogether, our results suggest that dopamine released by the VTA is required during the acquisition to consolidate the object recognition memory through D1-like receptors into the IC without affecting the activity or the motivation to explore objects.
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Affiliation(s)
- Gerardo Ramirez-Mejia
- División de Neurociencias, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, 04510, Mexico City, Mexico
| | - Elvi Gil-Lievana
- División de Neurociencias, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, 04510, Mexico City, Mexico
| | - Oscar Urrego-Morales
- División de Neurociencias, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, 04510, Mexico City, Mexico
| | - Donovan Galvez-Marquez
- División de Neurociencias, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, 04510, Mexico City, Mexico
| | - Eduardo Hernández-Ortiz
- División de Neurociencias, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, 04510, Mexico City, Mexico
| | - José Alberto Carrillo-Lorenzo
- División de Neurociencias, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, 04510, Mexico City, Mexico
| | - Federico Bermúdez-Rattoni
- División de Neurociencias, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, 04510, Mexico City, Mexico.
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5
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Pulido LN, Pochapski JA, Sugi A, Esaki JY, Stresser JL, Sanchez WN, Baltazar G, Levcik D, Fuentes R, Da Cunha C. Pre-clinical evidence that methylphenidate increases motivation and/or reward preference to search for high value rewards. Behav Brain Res 2023; 437:114065. [PMID: 36037842 DOI: 10.1016/j.bbr.2022.114065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 08/04/2022] [Accepted: 08/16/2022] [Indexed: 11/25/2022]
Abstract
Methylphenidate is a stimulant used to treat attention deficit and hyperactivity disorder (ADHD). In the last decade, illicit use of methylphenidate has increased among healthy young adults, who consume the drug under the assumption that it will improve cognitive performance. However, the studies that aimed to assess the methylphenidate effects on memory are not consistent. Here, we tested whether the effect of methylphenidate on a spatial memory task can be explained as a motivational and/or a reward effect. We tested the effects of acute and chronic i.p. administration of 0.3, 1 or 3 mg/kg of methylphenidate on motivation, learning and memory by using the 8-arm radial maze task. Adult male Wistar rats learned that 3 of the 8 arms of the maze were consistently baited with 1, 3, or 6 sucrose pellets, and the number of entries and reentries into reinforced and non-reinforced arms of the maze were scored. Neither acute nor chronic (20 days) methylphenidate treatment affected the number of entries in the non-baited arms. However, chronic, but not acute, 1-3 mg/kg methylphenidate increased the number of reentries in the higher reward arms, which suggests a motivational/rewarding effect rather than a working memory deficit. In agreement with this hypothesis, the methylphenidate treatment also decreased the approach latency to the higher reward arms, increased the approach latency to the low reward arm, and increased the time spent in the high, but not low, reward arm. These findings suggest that methylphenidate may act more as a motivational enhancer rather than a cognitive enhancer in healthy people.
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Affiliation(s)
- Laura N Pulido
- Laboratorio de Fisiologia e Farmacologia do Sistema Nervoso Central, Department of Pharmacology, Universidade Federal do Parana, Curitiba, Brazil
| | - Jose A Pochapski
- Laboratorio de Fisiologia e Farmacologia do Sistema Nervoso Central, Department of Pharmacology, Universidade Federal do Parana, Curitiba, Brazil; Department of Biochemistry, Universidade Federal do Parana, Curitiba, Brazil
| | - Adam Sugi
- Laboratorio de Fisiologia e Farmacologia do Sistema Nervoso Central, Department of Pharmacology, Universidade Federal do Parana, Curitiba, Brazil; Department of Biochemistry, Universidade Federal do Parana, Curitiba, Brazil
| | - Julie Y Esaki
- Laboratorio de Fisiologia e Farmacologia do Sistema Nervoso Central, Department of Pharmacology, Universidade Federal do Parana, Curitiba, Brazil
| | - Joao L Stresser
- Laboratorio de Fisiologia e Farmacologia do Sistema Nervoso Central, Department of Pharmacology, Universidade Federal do Parana, Curitiba, Brazil
| | - William N Sanchez
- Laboratorio de Fisiologia e Farmacologia do Sistema Nervoso Central, Department of Pharmacology, Universidade Federal do Parana, Curitiba, Brazil; Department of Biochemistry, Universidade Federal do Parana, Curitiba, Brazil; Integrative Neurobiology Section, Molecular Targets and Medications Discovery Branch, National Institute on Drug Abuse, Intramural Research Program, National Institutes of Health, Baltimore, MD, USA
| | - Gabriel Baltazar
- Laboratorio de Fisiologia e Farmacologia do Sistema Nervoso Central, Department of Pharmacology, Universidade Federal do Parana, Curitiba, Brazil; Department of Biochemistry, Universidade Federal do Parana, Curitiba, Brazil
| | - David Levcik
- Laboratory of Neurophysiology of Memory, Institute of Physiology of the Czech Academy of Sciences, Prague, Czech Republic
| | - Romulo Fuentes
- Departamento de Neurociencias, Facultad de Medicina, Universidad de Chile, Santiago de Chile, Chile
| | - Claudio Da Cunha
- Laboratorio de Fisiologia e Farmacologia do Sistema Nervoso Central, Department of Pharmacology, Universidade Federal do Parana, Curitiba, Brazil; Department of Biochemistry, Universidade Federal do Parana, Curitiba, Brazil.
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6
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Stewart A, Mayer FP, Gowrishankar R, Davis GL, Areal LB, Gresch PJ, Katamish RM, Peart R, Stilley SE, Spiess K, Rabil MJ, Diljohn FA, Wiggins AE, Vaughan RA, Hahn MK, Blakely RD. Behaviorally penetrant, anomalous dopamine efflux exposes sex and circuit dependent regulation of dopamine transporters. Mol Psychiatry 2022; 27:4869-4880. [PMID: 36117213 DOI: 10.1038/s41380-022-01773-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 08/18/2022] [Accepted: 08/31/2022] [Indexed: 01/19/2023]
Abstract
Virtually all neuropsychiatric disorders display sex differences in prevalence, age of onset, and/or clinical symptomology. Although altered dopamine (DA) signaling is a feature of many of these disorders, sex-dependent mechanisms uniquely responsive to DA that drive sex-dependent behaviors remain unelucidated. Previously, we established that anomalous DA efflux (ADE) is a prominent feature of the DA transporter (DAT) variant Val559, a coding substitution identified in two male-biased disorders: attention-deficit/hyperactivity disorder and autism spectrum disorder. In vivo, Val559 ADE induces activation of nigrostriatal D2-type DA autoreceptors (D2ARs) that magnifies inappropriate, nonvesicular DA release by elevating phosphorylation and surface trafficking of ADE-prone DAT proteins. Here we demonstrate that DAT Val559 mice exhibit sex-dependent alterations in psychostimulant responses, social behavior, and cognitive performance. In a search for underlying mechanisms, we discovered that the ability of ADE to elicit D2AR regulation of DAT is both sex and circuit-dependent, with dorsal striatum D2AR/DAT coupling evident only in males, whereas D2AR/DAT coupling in the ventral striatum is exclusive to females. Moreover, systemic administration of the D2R antagonist sulpiride, which precludes ADE-driven DAT trafficking, can normalize DAT Val559 behavioral changes unique to each sex and without effects on the opposite sex or wildtype mice. Our studies support the sex- and circuit dependent capacity of D2ARs to regulate DAT as a critical determinant of the sex-biased effects of perturbed DA signaling in neurobehavioral disorders. Moreover, our work provides a cogent example of how a shared biological insult drives alternative physiological and behavioral trajectories as opposed to resilience.
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Affiliation(s)
- Adele Stewart
- Department of Biomedical Science, Florida Atlantic University, Jupiter, FL, USA.,Stiles-Nicholson Brain Institute, Florida Atlantic University, Jupiter, FL, USA
| | - Felix P Mayer
- Department of Biomedical Science, Florida Atlantic University, Jupiter, FL, USA
| | | | - Gwynne L Davis
- Department of Biomedical Science, Florida Atlantic University, Jupiter, FL, USA
| | - Lorena B Areal
- Department of Biomedical Science, Florida Atlantic University, Jupiter, FL, USA
| | - Paul J Gresch
- Department of Biomedical Science, Florida Atlantic University, Jupiter, FL, USA.,Stiles-Nicholson Brain Institute, Florida Atlantic University, Jupiter, FL, USA
| | - Rania M Katamish
- Department of Biomedical Science, Florida Atlantic University, Jupiter, FL, USA
| | - Rodeania Peart
- Wilkes Honors College, Florida Atlantic University, Jupiter, FL, USA
| | - Samantha E Stilley
- Department of Biomedical Science, Florida Atlantic University, Jupiter, FL, USA
| | - Keeley Spiess
- Department of Biomedical Science, Florida Atlantic University, Jupiter, FL, USA
| | - Maximilian J Rabil
- Department of Biomedical Science, Florida Atlantic University, Jupiter, FL, USA
| | | | - Angelica E Wiggins
- Department of Biomedical Science, Florida Atlantic University, Jupiter, FL, USA
| | - Roxanne A Vaughan
- Department of Biomedical Sciences, University of North Dakota School of Medicine and Health Sciences, Grand Forks, ND, USA
| | - Maureen K Hahn
- Department of Biomedical Science, Florida Atlantic University, Jupiter, FL, USA.,Stiles-Nicholson Brain Institute, Florida Atlantic University, Jupiter, FL, USA
| | - Randy D Blakely
- Department of Biomedical Science, Florida Atlantic University, Jupiter, FL, USA. .,Stiles-Nicholson Brain Institute, Florida Atlantic University, Jupiter, FL, USA.
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Grochecki P, Smaga I, Surowka P, Marszalek-Grabska M, Kalaba P, Dragacevic V, Kotlinska P, Filip M, Lubec G, Kotlinska JH. Novel Dopamine Transporter Inhibitor, CE-123, Ameliorates Spatial Memory Deficits Induced by Maternal Separation in Adolescent Rats: Impact of Sex. Int J Mol Sci 2022; 23:ijms231810718. [PMID: 36142621 PMCID: PMC9503873 DOI: 10.3390/ijms231810718] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Revised: 09/06/2022] [Accepted: 09/10/2022] [Indexed: 11/16/2022] Open
Abstract
Maternal separation (MS) is a key contributor to neurodevelopmental disorders, including learning disabilities. To test the hypothesis that dopamine signaling is a major factor in this, an atypical new dopamine transporter (DAT) inhibitor, CE-123, was assessed for its potential to counteract the MS-induced spatial learning and memory deficit in male and female rats. Hence, neonatal rats (postnatal day (PND)1 to 21) were exposed to MS (180 min/day). Next, the acquisition of spatial learning and memory (Barnes maze task) and the expression of dopamine D1 receptor, dopamine transporter (DAT), and the neuronal GTPase, RIT2, which binds DAT in the vehicle-treated rats were evaluated in the prefrontal cortex and hippocampus in the adolescent animals. The results show that MS impairs the acquisition of spatial learning and memory in rats, with a more severe effect in females. Moreover, the MS induced upregulation of DAT and dopamine D1 receptors expression in the prefrontal cortex and hippocampus in adolescent rats. Regarding RIT2, the expression was decreased in the hippocampus for both the males and females, however, in the prefrontal cortex, reduction was found only in the females, suggesting that there are region-specific differences in DAT endocytic trafficking. CE-123 ameliorated the behavioral deficits associated with MS. Furthermore, it decreased the MS-induced upregulation of D1 receptor expression level in the hippocampus. These effects were more noted in females. Overall, CE-123, an atypical DAT inhibitor, is able to restore cognitive impairment and dopamine signaling in adolescent rats exposed to MS—with more evident effect in females than males.
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Affiliation(s)
- Pawel Grochecki
- Department of Pharmacology and Pharmacodynamics, Medical University, Chodzki 4A, 20-093 Lublin, Poland
| | - Irena Smaga
- Department of Drug Addiction Pharmacology, Maj Institute of Pharmacology, Polish Academy of Sciences, Smetna 12, 31-343 Krakow, Poland
| | - Paulina Surowka
- Department of Drug Addiction Pharmacology, Maj Institute of Pharmacology, Polish Academy of Sciences, Smetna 12, 31-343 Krakow, Poland
| | - Marta Marszalek-Grabska
- Department of Experimental and Clinical Pharmacology, Medical University, Jaczewskiego 8B, 20-090 Lublin, Poland
| | - Predrag Kalaba
- Department of Pharmaceutical Chemistry, Faculty of Life Sciences, University of Vienna, 1010 Vienna, Austria
- Paracelsus Private Medical University, 5020 Salzburg, Austria
| | - Vladimir Dragacevic
- Department of Pharmaceutical Chemistry, Faculty of Life Sciences, University of Vienna, 1010 Vienna, Austria
| | | | - Malgorzata Filip
- Department of Drug Addiction Pharmacology, Maj Institute of Pharmacology, Polish Academy of Sciences, Smetna 12, 31-343 Krakow, Poland
| | - Gert Lubec
- Department of Pharmaceutical Chemistry, Faculty of Life Sciences, University of Vienna, 1010 Vienna, Austria
- Paracelsus Private Medical University, 5020 Salzburg, Austria
| | - Jolanta H. Kotlinska
- Department of Pharmacology and Pharmacodynamics, Medical University, Chodzki 4A, 20-093 Lublin, Poland
- Correspondence: ; Tel.: +48-81-448-7255; Fax: +48-81-448-7250
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8
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Osorio-Gómez D, Guzmán-Ramos K, Bermúdez-Rattoni F. Dopamine activity on the perceptual salience for recognition memory. Front Behav Neurosci 2022; 16:963739. [PMID: 36275849 PMCID: PMC9583835 DOI: 10.3389/fnbeh.2022.963739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Accepted: 06/29/2022] [Indexed: 11/17/2022] Open
Abstract
To survive, animals must recognize relevant stimuli and distinguish them from inconspicuous information. Usually, the properties of the stimuli, such as intensity, duration, frequency, and novelty, among others, determine the salience of the stimulus. However, previously learned experiences also facilitate the perception and processing of information to establish their salience. Here, we propose “perceptual salience” to define how memory mediates the integration of inconspicuous stimuli into a relevant memory trace without apparently altering the recognition of the physical attributes or valence, enabling the detection of stimuli changes in future encounters. The sense of familiarity is essential for successful recognition memory; in general, familiarization allows the transition of labeling a stimulus from the novel (salient) to the familiar (non-salient). The novel object recognition (NOR) and object location recognition (OLRM) memory paradigms represent experimental models of recognition memory that allow us to study the neurobiological mechanisms involved in episodic memory. The catecholaminergic system has been of vital interest due to its role in several aspects of recognition memory. This review will discuss the evidence that indicates changes in dopaminergic activity during exposure to novel objects or places, promoting the consolidation and persistence of memory. We will discuss the relationship between dopaminergic activity and perceptual salience of stimuli enabling learning and consolidation processes necessary for the novel-familiar transition. Finally, we will describe the effect of dopaminergic deregulation observed in some pathologies and its impact on recognition memory.
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Affiliation(s)
- Daniel Osorio-Gómez
- División de Neurociencias, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Circuito Exterior, Ciudad Universitaria, Mexico, Mexico
| | - Kioko Guzmán-Ramos
- Departamento de Ciencias de la Salud, División de Ciencias Biológicas y de la Salud, Universidad Autónoma Metropolitana, Unidad Lerma, Estado de México, Mexico
| | - Federico Bermúdez-Rattoni
- División de Neurociencias, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Circuito Exterior, Ciudad Universitaria, Mexico, Mexico
- *Correspondence: Federico Bermúdez-Rattoni
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9
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de Landeta AB, Medina JH, Katche C. Dopamine D1/D5 Receptors in the Retrosplenial Cortex Are Necessary to Consolidate Object Recognition Memory. Front Behav Neurosci 2022; 16:922971. [PMID: 35874647 PMCID: PMC9301477 DOI: 10.3389/fnbeh.2022.922971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Accepted: 06/02/2022] [Indexed: 11/13/2022] Open
Abstract
The retrosplenial cortex (RSC) has been widely related to spatial and contextual memory. However, we recently demonstrated that the anterior part of the RSC (aRSC) is required for object recognition (OR) memory consolidation. In this study, we aimed to analyze the requirement of dopaminergic inputs into the aRSC for OR memory consolidation in male rats. We observed amnesia at 24-h long-term memory when we infused SCH23390, a D1/D5 dopamine receptors antagonist, into aRSC immediately after OR training session. However, the same infusion had no effect on OR short-term memory. Then, we analyzed whether the ventral tegmental area (VTA) is necessary for OR consolidation. VTA inactivation by intra-VTA administration of muscimol, a GABAA agonist, immediately after an OR training session induced amnesia when animals were tested at 24 h. Moreover, we observed that this VTA inactivation-induced amnesia was reversed by the simultaneous intra-aRSC delivery of SKF38393, a D1/D5 receptor agonist. Altogether, our results suggest that VTA dopaminergic inputs to aRSC play an important modulatory role in OR memory consolidation.
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Affiliation(s)
- Ana Belén de Landeta
- CONICET-Universidad de Buenos Aires, Instituto de Biología Celular y Neurociencia “Prof. E. De Robertis” (IBCN), Buenos Aires, Argentina
- Universidad de Buenos Aires, Facultad de Medicina, Buenos Aires, Argentina
| | - Jorge H. Medina
- CONICET-Universidad de Buenos Aires, Instituto de Biología Celular y Neurociencia “Prof. E. De Robertis” (IBCN), Buenos Aires, Argentina
- Universidad de Buenos Aires, Facultad de Medicina, Buenos Aires, Argentina
- Instituto Tecnológico de Buenos Aires (ITBA), Buenos Aires, Argentina
| | - Cynthia Katche
- CONICET-Universidad de Buenos Aires, Instituto de Biología Celular y Neurociencia “Prof. E. De Robertis” (IBCN), Buenos Aires, Argentina
- Universidad de Buenos Aires, Facultad de Medicina, Buenos Aires, Argentina
- Instituto Tecnológico de Buenos Aires (ITBA), Buenos Aires, Argentina
- *Correspondence: Cynthia Katche
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10
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Bi N, Gu X, Fan A, Li D, Wang M, Zhou R, Sun QC, Wang HL. Bisphenol-A exposure leads to neurotoxicity through upregulating the expression of histone deacetylase 2 in vivo and in vitro. Toxicology 2022; 465:153052. [PMID: 34838597 DOI: 10.1016/j.tox.2021.153052] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2021] [Revised: 11/17/2021] [Accepted: 11/22/2021] [Indexed: 11/17/2022]
Abstract
Bisphenol-A (BPA), an environmental endocrine disruptor, is toxic to the central nervous system. Although recent studies have shown BPA-induced neurotoxicity, it is far from clear what precisely epigenetic mechanisms are involved in BPA-induced cognitive deficits. In this study, pheochromocytoma (PC12) cells were treated with BPA at 1 μM for 36 h in vitro. In vivo, C57BL/6 mice were administered to BPA at a dose of 1 mg/kg/day for 10 weeks. The results showed that 1 μM BPA exposure for 36 h impaired neurite outgrowth of PC12 cells through decreasing the primary and secondary branches. Besides, BPA exposure decreased the level of Ac-H3K9 (histone H3 Lys9 acetylation) by upregulating the expression of HDAC2 (histone deacetylases 2) in PC12 cells. Furthermore, treatment of both TSA (Trichostatin A, inhibitor of the histone deacetylase) and shHDAC2 plasmid (HDAC2 knockdown construct) resulted in amelioration neurite outgrowth deficits induced by BPA. In addition, it was shown that repression of HDAC2 could markedly rescue the spine density impairment in the hippocampus and prevent the cognitive impairment caused by BPA exposure in mice. Collectively, HDAC2 plays an essential role in BPA-induced neurotoxicity, which provides a potential molecular target for medical intervention.
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Affiliation(s)
- Nanxi Bi
- Engineering Research Center of Bio-process, Ministry of Education, Hefei University of Technology, 193 Tunxi Road, Hefei, Anhui, 230009, PR China; School of Food and Biological Engineering, Hefei University of Technology, Hefei, Anhui, 230009, PR China
| | - Xiaozhen Gu
- Engineering Research Center of Bio-process, Ministry of Education, Hefei University of Technology, 193 Tunxi Road, Hefei, Anhui, 230009, PR China; School of Food and Biological Engineering, Hefei University of Technology, Hefei, Anhui, 230009, PR China
| | - Anni Fan
- Engineering Research Center of Bio-process, Ministry of Education, Hefei University of Technology, 193 Tunxi Road, Hefei, Anhui, 230009, PR China; School of Food and Biological Engineering, Hefei University of Technology, Hefei, Anhui, 230009, PR China
| | - Danyang Li
- Engineering Research Center of Bio-process, Ministry of Education, Hefei University of Technology, 193 Tunxi Road, Hefei, Anhui, 230009, PR China; School of Food and Biological Engineering, Hefei University of Technology, Hefei, Anhui, 230009, PR China
| | - Mengmeng Wang
- Engineering Research Center of Bio-process, Ministry of Education, Hefei University of Technology, 193 Tunxi Road, Hefei, Anhui, 230009, PR China; School of Food and Biological Engineering, Hefei University of Technology, Hefei, Anhui, 230009, PR China
| | - Ruiqing Zhou
- Engineering Research Center of Bio-process, Ministry of Education, Hefei University of Technology, 193 Tunxi Road, Hefei, Anhui, 230009, PR China; School of Food and Biological Engineering, Hefei University of Technology, Hefei, Anhui, 230009, PR China
| | - Quan-Cai Sun
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, 212013, PR China
| | - Hui-Li Wang
- Engineering Research Center of Bio-process, Ministry of Education, Hefei University of Technology, 193 Tunxi Road, Hefei, Anhui, 230009, PR China; School of Food and Biological Engineering, Hefei University of Technology, Hefei, Anhui, 230009, PR China.
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11
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Wolter M, Lapointe T, Melanson B, Baidoo N, Francis T, Winters BD, Leri F. Memory enhancing effects of nicotine, cocaine, and their conditioned stimuli; effects of beta-adrenergic and dopamine D2 receptor antagonists. Psychopharmacology (Berl) 2021; 238:2617-2628. [PMID: 34175982 DOI: 10.1007/s00213-021-05884-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Accepted: 05/27/2021] [Indexed: 11/30/2022]
Abstract
BACKGROUND There is evidence that post-training exposure to nicotine, cocaine, and their conditioned stimuli (CS), enhance memory consolidation in rats. The present study assessed the effects of blocking noradrenergic and dopaminergic receptors on nicotine and cocaine unconditioned and conditioned memory modulation. METHODS Males Sprague-Dawley rats tested on the spontaneous object recognition task received post-sample exposure to 0.4 mg/kg nicotine, 20 mg/kg cocaine, or their CSs, in combination with 5-10 mg/kg propranolol (PRO; beta-adrenergic antagonist) or 0.2-0.6 mg/kg pimozide (PIM; dopamine D2 receptor antagonist). The CSs were established by confining rats in a chamber (the CS +) after injections of 0.4 mg/kg nicotine, or 20 mg/kg cocaine, for 2 h and in another chamber (the CS -) after injections of vehicle, repeated over 10 days (5 drug/CS + and 5 vehicle/CS - pairings in total). Object memory was tested 72 h post sample in drug-free animals. RESULTS Co-administration of PRO or PIM blocked the memory-enhancing effects of post-training injections of nicotine, cocaine, and, importantly, exposure to their CSs. CONCLUSIONS These data suggest that nicotine, cocaine as well as their conditioned stimuli share actions on overlapping noradrenergic and dopaminergic systems to modulate memory consolidation.
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Affiliation(s)
- Michael Wolter
- Department of Psychology, Collaborative Neuroscience Program, University of Guelph, Guelph, ON, Canada
| | - Thomas Lapointe
- Department of Psychology, Collaborative Neuroscience Program, University of Guelph, Guelph, ON, Canada
| | - Brett Melanson
- Department of Psychology, Collaborative Neuroscience Program, University of Guelph, Guelph, ON, Canada
| | - Nana Baidoo
- Department of Psychology, Collaborative Neuroscience Program, University of Guelph, Guelph, ON, Canada
| | - Travis Francis
- Department of Psychology, Collaborative Neuroscience Program, University of Guelph, Guelph, ON, Canada
| | - Boyer D Winters
- Department of Psychology, Collaborative Neuroscience Program, University of Guelph, Guelph, ON, Canada
| | - Francesco Leri
- Department of Psychology, Collaborative Neuroscience Program, University of Guelph, Guelph, ON, Canada.
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12
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Osorio-Gómez D, Bermúdez-Rattoni F, Guzmán-Ramos KR. Cortical neurochemical signaling of gustatory stimuli and their visceral consequences during the acquisition and consolidation of taste aversion memory. Neurobiol Learn Mem 2021; 181:107437. [PMID: 33831511 DOI: 10.1016/j.nlm.2021.107437] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2021] [Revised: 03/25/2021] [Accepted: 03/31/2021] [Indexed: 11/24/2022]
Abstract
The insular cortex (IC) has a crucial role in taste recognition memory, including conditioned taste aversion (CTA). CTA is a learning paradigm in which a novel taste stimulus (CS) is associated with gastric malaise (US), inducing aversion to the CS in future encounters. The role of the IC in CTA memory formation has been extensively studied. However, the functional significance of neurotransmitter release during the presentation of taste stimuli and gastric malaise-inducing agents remains unclear. Using microdialysis in free-moving animals, we evaluated simultaneous changes in glutamate, norepinephrine and dopamine release in response to the presentation of an innate appetitive or aversive gustatory novel stimulus, as well as after i.p. administration of isotonic or hypertonic gastric malaise-inducing solutions. Our results demonstrate that the presentation of novel stimuli, regardless of their innate valence, induces an elevation of norepinephrine and dopamine. Administration of a gastric malaise inducing agent (LiCl) promotes an elevation of glutamate regardless of its concentration. In comparison, norepinephrine release is related to the LiCl concentration and its equimolar NaCl control. Additionally, we evaluated their functional role on short and long-term taste aversion memory. Results indicate that the blockade of noradrenergic β1,2 receptors in the IC spares CTA acquisition and memory consolidation. In contrast, blockade of dopamine D1/D5 receptors impaired CTA consolidation, whereas the NMDA receptor blockade impedes both acquisition and consolidation of CTA. These results suggest that dopaminergic and noradrenergic release are related to the salience of conditioned taste stimuli. However, only cortical D1/D5 dopaminergic activity, but not the noradrenergic β1,2 activity, is involved in the acquisition and consolidation of taste memory formation. Additionally, glutamatergic activity signals visceral distress caused by LiCl administration and activates NMDA receptors necessary for the acquisition and consolidation of long-lasting taste aversion memory.
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Affiliation(s)
- Daniel Osorio-Gómez
- División de Neurociencias, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Circuito Exterior, Ciudad Universitaria, 04510 Mexico City, Mexico
| | - Federico Bermúdez-Rattoni
- División de Neurociencias, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Circuito Exterior, Ciudad Universitaria, 04510 Mexico City, Mexico.
| | - Kioko R Guzmán-Ramos
- Departamento de Ciencias de la Salud, División de Ciencias Biológicas y de la Salud, Universidad Autónoma Metropolitana, Unidad Lerma. Av. de las Garzas No. 10, Col. El Panteón, Lerma de Villada, Estado de México C.P. 52005, Mexico.
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13
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Masmudi-Martín M, Navarro-Lobato I, López-Aranda MF, Browning PGF, Simón AM, López-Téllez JF, Jiménez-Recuerda I, Martín-Montañez E, Pérez-Mediavilla A, Frechilla D, Baxter MG, Khan ZU. Reversal of Object Recognition Memory Deficit in Perirhinal Cortex-Lesioned Rats and Primates and in Rodent Models of Aging and Alzheimer's Diseases. Neuroscience 2020; 448:287-298. [PMID: 32905841 DOI: 10.1016/j.neuroscience.2020.08.039] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Revised: 08/27/2020] [Accepted: 08/30/2020] [Indexed: 11/17/2022]
Abstract
The integrity of the perirhinal cortex (PRh) is essential for object recognition memory (ORM) function, and damage to this brain area in animals and humans induces irreversible ORM deficits. Here, we show that activation of area V2, a brain area interconnected with brain circuits of ventral stream and medial temporal lobe that sustain ORM, by expression of regulator of G-protein signaling 14 of 414 amino acids (RGS14414) restored ORM in memory-deficient PRh-lesioned rats and nonhuman primates. Furthermore, this treatment was sufficient for full recovery of ORM in rodent models of aging and Alzheimer's disease, conditions thought to affect multiple brain areas. Thus, RGS14414-mediated activation of area V2 has therapeutic relevance in the recovery of recognition memory, a type of memory that is primarily affected in patients or individuals with symptoms of memory dysfunction. These findings suggest that area V2 modulates the processing of memory-related information through activation of interconnected brain circuits formed by the participation of distinct brain areas.
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Affiliation(s)
- Mariam Masmudi-Martín
- Laboratory of Neurobiology, CIMES, University of Malaga, Campus Teatinos s/n, 29071 Malaga, Spain; Department of Medicine, Faculty of Medicine, University of Malaga, Campus Teatinos s/n, 29071 Malaga, Spain
| | - Irene Navarro-Lobato
- Laboratory of Neurobiology, CIMES, University of Malaga, Campus Teatinos s/n, 29071 Malaga, Spain; Department of Medicine, Faculty of Medicine, University of Malaga, Campus Teatinos s/n, 29071 Malaga, Spain
| | - Manuel F López-Aranda
- Laboratory of Neurobiology, CIMES, University of Malaga, Campus Teatinos s/n, 29071 Malaga, Spain; Department of Medicine, Faculty of Medicine, University of Malaga, Campus Teatinos s/n, 29071 Malaga, Spain
| | - Philip G F Browning
- Department of Neuroscience, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1065, New York, NY 10029, United States
| | - Ana-María Simón
- Division of Neurosciences, CIMA, University of Navarra, Av. Pio XII 55, 31008 Pamplona, Spain
| | - Juan F López-Téllez
- Laboratory of Neurobiology, CIMES, University of Malaga, Campus Teatinos s/n, 29071 Malaga, Spain; Department of Medicine, Faculty of Medicine, University of Malaga, Campus Teatinos s/n, 29071 Malaga, Spain
| | - Inmaculada Jiménez-Recuerda
- Laboratory of Neurobiology, CIMES, University of Malaga, Campus Teatinos s/n, 29071 Malaga, Spain; Department of Medicine, Faculty of Medicine, University of Malaga, Campus Teatinos s/n, 29071 Malaga, Spain
| | - Elisa Martín-Montañez
- Department of Pharmacology, Faculty of Medicine, University of Malaga, Campus Teatinos s/n, Malaga, Spain; IBIMA, University of Malaga, 29071 Malaga, Spain
| | | | - Diana Frechilla
- Division of Neurosciences, CIMA, University of Navarra, Av. Pio XII 55, 31008 Pamplona, Spain
| | - Mark G Baxter
- Department of Neuroscience, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1065, New York, NY 10029, United States
| | - Zafar U Khan
- Laboratory of Neurobiology, CIMES, University of Malaga, Campus Teatinos s/n, 29071 Malaga, Spain; Department of Medicine, Faculty of Medicine, University of Malaga, Campus Teatinos s/n, 29071 Malaga, Spain; IBIMA, University of Malaga, 29071 Malaga, Spain; CIBERNED, Institute of Health Carlos III, Madrid, Spain.
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14
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Esmaeili-Mahani S, Haghparast E, Nezhadi A, Abbasnejad M, Sheibani V. Apelin-13 prevents hippocampal synaptic plasticity impairment in Parkinsonism rats. J Chem Neuroanat 2020; 111:101884. [PMID: 33161074 DOI: 10.1016/j.jchemneu.2020.101884] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 11/02/2020] [Accepted: 11/03/2020] [Indexed: 12/13/2022]
Abstract
The hippocampus is involved in learning and memory for novel information and implicated within the cognitive dysfunction in Parkinson's disease. Long-term potentiation (LTP), the most type of synaptic plasticity, is the base of learning and memory. We evaluated the consequences of apelin-13 on early long-term potentiation (E-LTP) in the Cornu Ammonis (CA1) area of the hippocampus and synaptic hippocampal protein expression of postsynaptic density protein 95 (PSD-95) and dopaminergic receptor (DR1) of the rat model of Parkinsonism. 6-hydroxydopamine (6-OHDA) was infused within the right substantia nigra. Intra-nigral transfusion of apelin-13 (1, 2, and 3 μg/rat) was performed one week after the 6-OHDA injection. Using hematoxylin and eosin staining, the pathological changes in the substantia nigra neurons were examined. In Vivo field excitatory postsynaptic potentials were recorded in the CA1 region one month after the apelin injection. The PSD-95 and DR1 protein levels were assessed by western blotting. The mRNA expression level of DR1 was also measured by real-time PCR. 6-OHDA meaningfully disrupted short-term memory and LTP, and altered the expression levels of the above-mentioned proteins in the hippocampus. The results suggest that apelin-13 (especially at 3 μg/rat) significantly ameliorates the E-LTP impairment and attenuates the changes in hippocampal synaptic proteins in 6-OHDA-treated rats.
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Affiliation(s)
- Saeed Esmaeili-Mahani
- Department of Biology, Faculty of Sciences, Shahid Bahonar University of Kerman, Kerman, Iran; Laboratory of Molecular Neuroscience, Kerman Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
| | - Elham Haghparast
- Department of Biology, Faculty of Sciences, Shahid Bahonar University of Kerman, Kerman, Iran; Laboratory of Molecular Neuroscience, Kerman Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran.
| | - Akram Nezhadi
- Neuroscience Research Center, Aja University of Medical Sciences, Tehran, Iran
| | - Mehdi Abbasnejad
- Department of Biology, Faculty of Sciences, Shahid Bahonar University of Kerman, Kerman, Iran
| | - Vahid Sheibani
- Laboratory of Molecular Neuroscience, Kerman Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
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15
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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] [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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16
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The medial prefrontal cortex - hippocampus circuit that integrates information of object, place and time to construct episodic memory in rodents: Behavioral, anatomical and neurochemical properties. Neurosci Biobehav Rev 2020; 113:373-407. [PMID: 32298711 DOI: 10.1016/j.neubiorev.2020.04.007] [Citation(s) in RCA: 86] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Revised: 02/25/2020] [Accepted: 04/06/2020] [Indexed: 12/31/2022]
Abstract
Rats and mice have been demonstrated to show episodic-like memory, a prototype of episodic memory, as defined by an integrated memory of the experience of an object or event, in a particular place and time. Such memory can be assessed via the use of spontaneous object exploration paradigms, variably designed to measure memory for object, place, temporal order and object-location inter-relationships. We review the methodological properties of these tests, the neurobiology about time and discuss the evidence for the involvement of the medial prefrontal cortex (mPFC), entorhinal cortex (EC) and hippocampus, with respect to their anatomy, neurotransmitter systems and functional circuits. The systematic analysis suggests that a specific circuit between the mPFC, lateral EC and hippocampus encodes the information for event, place and time of occurrence into the complex episodic-like memory, as a top-down regulation from the mPFC onto the hippocampus. This circuit can be distinguished from the neuronal component memory systems for processing the individual information of object, time and place.
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17
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Wolter M, Huff E, Speigel T, Winters BD, Leri F. Cocaine, nicotine, and their conditioned contexts enhance consolidation of object memory in rats. ACTA ACUST UNITED AC 2019; 26:46-55. [PMID: 30651377 PMCID: PMC6340119 DOI: 10.1101/lm.048579.118] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2018] [Accepted: 12/18/2018] [Indexed: 12/28/2022]
Abstract
To test the hypothesis that drugs of abuse and their conditioned stimuli (CSs) enhance memory consolidation, the effects of post-training exposure to cocaine and nicotine were compared to the effects of post-training exposure to contextual stimuli that were paired with the effects of these drugs. Using the object recognition (OR) task, it was first demonstrated that both 10 and 20 mg/kg cocaine, and 0.2 and 0.4 mg/kg nicotine, enhanced recognition memory when administered immediately after, but not 6 h after the sample phase. To establish the drug CSs, rats were confined for 2 h in a chamber (the CS+) after injections of 20 mg/kg cocaine, or 0.4 mg/kg nicotine, and in another chamber (the CS−) after injections of vehicle. This was repeated over 10 d (5 drug/CS+ and 5 vehicle/CS− pairings in total). At the end of this conditioning period, when tested in a drug-free state, rats displayed conditioned hyperactivity in the CS+ relative to the CS−. More important, immediate, but not delayed, post-sample exposure to the cocaine CS+, or nicotine CS+, enhanced OR memory. Therefore, this study reports for the first time that contextual stimuli paired with cocaine and nicotine, like the drugs themselves, have the ability to enhance memory consolidation.
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Affiliation(s)
- Michael Wolter
- Department of Psychology and Collaborative Program in Neuroscience, University of Guelph, Guelph, Ontario N1G 2W1, Canada
| | - Ethan Huff
- Department of Psychology and Collaborative Program in Neuroscience, University of Guelph, Guelph, Ontario N1G 2W1, Canada
| | - Talia Speigel
- Department of Psychology and Collaborative Program in Neuroscience, University of Guelph, Guelph, Ontario N1G 2W1, Canada
| | - Boyer D Winters
- Department of Psychology and Collaborative Program in Neuroscience, University of Guelph, Guelph, Ontario N1G 2W1, Canada
| | - Francesco Leri
- Department of Psychology and Collaborative Program in Neuroscience, University of Guelph, Guelph, Ontario N1G 2W1, Canada
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18
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Activation of the dopamine D1 receptor can extend long-term spatial memory persistence via PKA signaling in mice. Neurobiol Learn Mem 2018; 155:568-577. [DOI: 10.1016/j.nlm.2018.05.016] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2017] [Revised: 05/01/2018] [Accepted: 05/23/2018] [Indexed: 01/13/2023]
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19
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Miranda M, Bekinschtein P. Plasticity Mechanisms of Memory Consolidation and Reconsolidation in the Perirhinal Cortex. Neuroscience 2018; 370:46-61. [DOI: 10.1016/j.neuroscience.2017.06.002] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2017] [Revised: 05/26/2017] [Accepted: 06/01/2017] [Indexed: 12/17/2022]
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20
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Targa AD, Noseda ACD, Rodrigues LS, Aurich MF, Lima MM. REM sleep deprivation and dopaminergic D2 receptors modulation increase recognition memory in an animal model of Parkinson’s disease. Behav Brain Res 2018; 339:239-248. [DOI: 10.1016/j.bbr.2017.11.008] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2017] [Revised: 11/03/2017] [Accepted: 11/07/2017] [Indexed: 12/16/2022]
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21
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Differential modulatory effects of cocaine on marmoset monkey recognition memory. PROGRESS IN BRAIN RESEARCH 2017; 235:155-176. [PMID: 29054287 DOI: 10.1016/bs.pbr.2017.07.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Acute and repeated exposure to cocaine alters the cognitive performance of humans and animals. How each administration schedule affects the same memory task has yet to be properly established in nonhuman primates. Therefore, we assessed the performance of marmoset monkeys in a spontaneous object-location (SOL) recognition memory task after acute and repeated exposure to cocaine (COC; 5mg/kg, ip). Two identical neutral stimuli were explored on the 10-min sample trial, after which preferential exploration of the displaced vs the stationary object was analyzed on the 10-min test trial. For the acute treatment, cocaine was given immediately after the sample presentation, and spatial recognition was then tested after a 24-h interval. For the repeated exposure schedule, daily cocaine injections were given on 7 consecutive days. After a 7-day drug-free period, the SOL task was carried out with a 10-min intertrial interval. When given acutely postsample, COC improved the marmosets' recognition memory, whereas it had a detrimental effect after the repeated exposure. Thus, depending on the administration schedule, COC exerted opposing effects on the marmosets' ability to recognize spatial changes. This agrees with recent studies in rodents and the recognition impairment seen in human addicts. Further studies related to the effects of cocaine's acute×prior drug history on the same cognitive domain are warranted.
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22
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Lueptow LM. Novel Object Recognition Test for the Investigation of Learning and Memory in Mice. J Vis Exp 2017. [PMID: 28892027 DOI: 10.3791/55718] [Citation(s) in RCA: 310] [Impact Index Per Article: 44.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
The object recognition test (ORT) is a commonly used behavioral assay for the investigation of various aspects of learning and memory in mice. The ORT is fairly simple and can be completed over 3 days: habituation day, training day, and testing day. During training, the mouse is allowed to explore 2 identical objects. On test day, one of the training objects is replaced with a novel object. Because mice have an innate preference for novelty, if the mouse recognizes the familiar object, it will spend most of its time at the novel object. Due to this innate preference, there is no need for positive or negative reinforcement or long training schedules. Additionally, the ORT can also be modified for numerous applications. The retention interval can be shortened to examine short-term memory, or lengthened to probe long-term memory. Pharmacological intervention can be used at various times prior to training, after training, or prior to recall to investigate different phases of learning (i.e., acquisition, early or late consolidation, or recall). Overall, the ORT is a relatively low-stress, efficient test for memory in mice, and is appropriate for the detection of neuropsychological changes following pharmacological, biological, or genetic manipulations.
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Modulation of the consolidation and reconsolidation of fear memory by three different serotonin receptors in hippocampus. Neurobiol Learn Mem 2017; 142:48-54. [DOI: 10.1016/j.nlm.2016.12.017] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2016] [Revised: 12/22/2016] [Accepted: 12/24/2016] [Indexed: 12/19/2022]
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Moreno-Castilla P, Pérez-Ortega R, Violante-Soria V, Balderas I, Bermúdez-Rattoni F. Hippocampal release of dopamine and norepinephrine encodes novel contextual information. Hippocampus 2017; 27:547-557. [DOI: 10.1002/hipo.22711] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/24/2017] [Indexed: 11/11/2022]
Affiliation(s)
- Perla Moreno-Castilla
- Departamento de Neurociencia Cognitiva, División de Neurociencias; Instituto de Fisiología Celular, Universidad Nacional Autónoma de México; México D.F. México
| | - Rodrigo Pérez-Ortega
- Departamento de Neurociencia Cognitiva, División de Neurociencias; Instituto de Fisiología Celular, Universidad Nacional Autónoma de México; México D.F. México
| | - Valeria Violante-Soria
- Departamento de Neurociencia Cognitiva, División de Neurociencias; Instituto de Fisiología Celular, Universidad Nacional Autónoma de México; México D.F. México
| | - Israela Balderas
- Departamento de Neurociencia Cognitiva, División de Neurociencias; Instituto de Fisiología Celular, Universidad Nacional Autónoma de México; México D.F. México
| | - Federico Bermúdez-Rattoni
- Departamento de Neurociencia Cognitiva, División de Neurociencias; Instituto de Fisiología Celular, Universidad Nacional Autónoma de México; México D.F. México
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Abstract
Fear memory is the best-studied form of memory. It was thoroughly investigated in the past 60 years mostly using two classical conditioning procedures (contextual fear conditioning and fear conditioning to a tone) and one instrumental procedure (one-trial inhibitory avoidance). Fear memory is formed in the hippocampus (contextual conditioning and inhibitory avoidance), in the basolateral amygdala (inhibitory avoidance), and in the lateral amygdala (conditioning to a tone). The circuitry involves, in addition, the pre- and infralimbic ventromedial prefrontal cortex, the central amygdala subnuclei, and the dentate gyrus. Fear learning models, notably inhibitory avoidance, have also been very useful for the analysis of the biochemical mechanisms of memory consolidation as a whole. These studies have capitalized on in vitro observations on long-term potentiation and other kinds of plasticity. The effect of a very large number of drugs on fear learning has been intensively studied, often as a prelude to the investigation of effects on anxiety. The extinction of fear learning involves to an extent a reversal of the flow of information in the mentioned structures and is used in the therapy of posttraumatic stress disorder and fear memories in general.
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Affiliation(s)
- Ivan Izquierdo
- National Institute of Translational Neuroscience, National Research Council of Brazil, and Memory Center, Brain Institute, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Cristiane R. G. Furini
- National Institute of Translational Neuroscience, National Research Council of Brazil, and Memory Center, Brain Institute, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Jociane C. Myskiw
- National Institute of Translational Neuroscience, National Research Council of Brazil, and Memory Center, Brain Institute, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
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26
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Happel MFK. Dopaminergic impact on local and global cortical circuit processing during learning. Behav Brain Res 2015; 299:32-41. [PMID: 26608540 DOI: 10.1016/j.bbr.2015.11.016] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2015] [Revised: 11/10/2015] [Accepted: 11/15/2015] [Indexed: 11/17/2022]
Abstract
We have learned to detect, predict and behaviorally respond to important changes in our environment on short and longer time scales. Therefore, brains of humans and higher animals build upon a perceptual and semantic salience stored in their memories mainly generated by associative reinforcement learning. Functionally, the brain needs to extract and amplify a small number of features of sensory input with behavioral relevance to a particular situation in order to guide behavior. In this review, I argue that dopamine action, particularly in sensory cortex, orchestrates layer-dependent local and long-range cortical circuits integrating sensory associated bottom-up and semantically relevant top-down information, respectively. Available evidence reveals that dopamine thereby controls both the selection of perceptually or semantically salient signals as well as feedback processing from higher-order areas in the brain. Sensory cortical dopamine thereby governs the integration of selected sensory information within a behavioral context. This review proposes that dopamine enfolds this function by temporally distinct actions on particular layer-dependent local and global cortical circuits underlying the integration of sensory, and non-sensory cognitive and behavioral variables.
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Affiliation(s)
- Max F K Happel
- Leibniz Institute for Neurobiology, D-39118 Magdeburg, Germany; Institute of Biology, Otto-von-Guericke-University, D-39120 Magdeburg, Germany.
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27
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Lee KN, Chirwa S. Blocking Dopaminergic Signaling Soon after Learning Impairs Memory Consolidation in Guinea Pigs. PLoS One 2015; 10:e0135578. [PMID: 26275140 PMCID: PMC4537230 DOI: 10.1371/journal.pone.0135578] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2013] [Accepted: 07/25/2015] [Indexed: 11/18/2022] Open
Abstract
Formation of episodic memories (i.e. remembered experiences) requires a process called consolidation which involves communication between the neocortex and hippocampus. However, the neuromodulatory mechanisms underlying this neocortico-hippocampal communication are poorly understood. Here, we examined the involvement of dopamine D1 receptors (D1R) and D2 receptors (D2R) mediated signaling on memory consolidation using the Novel Object Recognition (NOR) test. We conducted the tests in male Hartley guinea pigs and cognitive behaviors were assessed in customized Phenotyper home cages utilizing Ethovision XT software from Noldus enabled for the 3-point detection system (nose, center of the body, and rear). We found that acute intraperitoneal injections of either 0.25 mg/kg SCH23390 to block D1Rs or 1.0 mg/kg sulpiride to block D2Rs soon after acquisition (which involved familiarization to two similar objects) attenuated subsequent discrimination for novel objects when tested after 5-hours in the NOR test. By contrast guinea pigs treated with saline showed robust discrimination for novel objects indicating normal operational processes undergirding memory consolidation. The data suggests that involvement of dopaminergic signaling is a key post-acquisition factor in modulating memory consolidation in guinea pigs.
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Affiliation(s)
- Kiera-Nicole Lee
- Department of Neuroscience and Pharmacology, Meharry Medical College, 1005 DB Todd Boulevard, Nashville, TN, 37208, United States of America
| | - Sanika Chirwa
- Department of Neuroscience and Pharmacology, Meharry Medical College, 1005 DB Todd Boulevard, Nashville, TN, 37208, United States of America
- Department of Pharmacology, 23 Avenue South & Pierce, Vanderbilt University, Nashville, TN, 37203, United States of America
- * E-mail:
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28
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Consolidation of Associative and Item Memory Is Related to Post-Encoding Functional Connectivity between the Ventral Tegmental Area and Different Medial Temporal Lobe Subregions during an Unrelated Task. J Neurosci 2015; 35:7326-31. [PMID: 25972163 DOI: 10.1523/jneurosci.4816-14.2015] [Citation(s) in RCA: 67] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
It is well established that the hippocampus and perirhinal cortex (PrC) encode associative and item representations, respectively. However, less is known about how item and associative memories are consolidated. We used high-resolution fMRI in humans to measure how functional connectivity between these distinct medial temporal lobe regions with the ventral tegmental area (VTA) after a paired associate encoding task is related to both immediate and 24 h item and associative memory performance. We found that the strength of post-encoding functional connectivity between the VTA and CA1 selectively correlated with long-term associative memory, despite subjects actively engaging in an unrelated task during this period. Conversely, VTA-PrC functional connectivity during the same period correlated with long-term item memory. Critically, connectivity between VTA and these MTL regions were only related to memory tested at a 24 h delay, implicating midbrain connectivity in the consolidation of distinct forms of memory.
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Balderas I, Rodriguez-Ortiz CJ, Bermudez-Rattoni F. Consolidation and reconsolidation of object recognition memory. Behav Brain Res 2015; 285:213-22. [DOI: 10.1016/j.bbr.2014.08.049] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2014] [Revised: 08/22/2014] [Accepted: 08/25/2014] [Indexed: 01/06/2023]
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30
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4-Hydroxybenzyl methyl ether improves learning and memory in mice via the activation of dopamine D1 receptor signaling. Neurobiol Learn Mem 2015; 121:30-8. [DOI: 10.1016/j.nlm.2015.03.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2014] [Revised: 03/24/2015] [Accepted: 03/26/2015] [Indexed: 12/17/2022]
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31
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Savalli G, Bashir ZI, Warburton EC. Regionally selective requirement for D1/D5 dopaminergic neurotransmission in the medial prefrontal cortex in object-in-place associative recognition memory. ACTA ACUST UNITED AC 2015; 22:69-73. [PMID: 25593292 PMCID: PMC4341361 DOI: 10.1101/lm.036921.114] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Object-in-place (OiP) memory is critical for remembering the location in which an object was last encountered and depends conjointly on the medial prefrontal cortex, perirhinal cortex, and hippocampus. Here we examined the role of dopamine D1/D5 receptor neurotransmission within these brain regions for OiP memory. Bilateral infusion of D1/D5 receptor antagonists SCH23390 or SKF83566 into the medial prefrontal cortex, prior to memory acquisition, impaired OiP performance following a 5 min or 1 h delay. Retrieval was unaffected. Intraperirhinal or intrahippocampal infusions of SCH23390 had no effect. These results reveal a selective role for D1/D5 receptors in the mPFC during OiP memory encoding.
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Affiliation(s)
- Giorgia Savalli
- Departments of Neurophysiology and Neuropharmacology, Medical University of Vienna, 1090 Vienna, Austria
| | - Zafar I Bashir
- Department of Physiology and Pharmacology, School of Medical Sciences, University of Bristol, Bristol BS8 1TD, United Kingdom
| | - E Clea Warburton
- Department of Physiology and Pharmacology, School of Medical Sciences, University of Bristol, Bristol BS8 1TD, United Kingdom
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32
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In search of a recognition memory engram. Neurosci Biobehav Rev 2014; 50:12-28. [PMID: 25280908 PMCID: PMC4382520 DOI: 10.1016/j.neubiorev.2014.09.016] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2014] [Revised: 09/18/2014] [Accepted: 09/22/2014] [Indexed: 01/06/2023]
Abstract
The role of the perirhinal cortex in familiarity discrimination is reviewed. Behavioural, pharmacological and electrophysiological evidence is considered. The cortex is found to be essential for memory acquisition, retrieval and storage. The evidence indicates that perirhinal synaptic weakening is critically involved.
A large body of data from human and animal studies using psychological, recording, imaging, and lesion techniques indicates that recognition memory involves at least two separable processes: familiarity discrimination and recollection. Familiarity discrimination for individual visual stimuli seems to be effected by a system centred on the perirhinal cortex of the temporal lobe. The fundamental change that encodes prior occurrence within the perirhinal cortex is a reduction in the responses of neurones when a stimulus is repeated. Neuronal network modelling indicates that a system based on such a change in responsiveness is potentially highly efficient in information theoretic terms. A review is given of findings indicating that perirhinal cortex acts as a storage site for recognition memory of objects and that such storage depends upon processes producing synaptic weakening.
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33
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Rossato JI, Köhler CA, Radiske A, Lima RH, Bevilaqua LRM, Cammarota M. State-dependent effect of dopamine D₁/D₅ receptors inactivation on memory destabilization and reconsolidation. Behav Brain Res 2014; 285:194-9. [PMID: 25219363 DOI: 10.1016/j.bbr.2014.09.009] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2014] [Revised: 07/31/2014] [Accepted: 09/04/2014] [Indexed: 10/24/2022]
Abstract
Object recognition memories (ORM) can incorporate new information upon reactivation. This update initially involves destabilization of the original memory, which is followed by restabilization of the upgraded engram through a reconsolidation process that requires gene expression and protein synthesis in the hippocampus. We found that when given in dorsal CA1 either immediately after training or 15 min before ORM reactivation in the presence of a novel object, the dopamine D1/D5 receptor antagonist SCH23390 did not affect ORM consolidation, expression or retention but impeded the amnesia caused by the post-retrieval administration of the mRNA synthesis inhibitor α-amanitin or the protein synthesis blocker anisomycin. This anti-amnesic effect was not observed when SCH23390 was given immediately after training and again 15 min before memory reactivation. Our results demonstrate that hippocampal D1/D5 receptors are not needed for formation, retrieval or post-retrieval restabilization of the ORM trace but are essential for its destabilization when reactivation occurs together with the incorporation of new information into the original memory. Importantly, they also suggest that reenactment of the animal's post-learning neurochemical milieu at the moment of memory reactivation can be a boundary condition for reconsolidation.
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Affiliation(s)
- Janine I Rossato
- Memory Research Laboratory, Brain Institute, Federal University of Rio Grande do Norte (UFRN), Natal, Brazil
| | - Cristiano A Köhler
- Memory Research Laboratory, Brain Institute, Federal University of Rio Grande do Norte (UFRN), Natal, Brazil
| | - Andressa Radiske
- Memory Research Laboratory, Brain Institute, Federal University of Rio Grande do Norte (UFRN), Natal, Brazil
| | - Ramón H Lima
- Center for Biosciences - Federal University of Rio Grande do Norte (UFRN), Natal, Brazil
| | - Lia R M Bevilaqua
- Memory Research Laboratory, Brain Institute, Federal University of Rio Grande do Norte (UFRN), Natal, Brazil
| | - Martín Cammarota
- Memory Research Laboratory, Brain Institute, Federal University of Rio Grande do Norte (UFRN), Natal, Brazil.
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Furini C, Myskiw J, Schmidt B, Marcondes L, Izquierdo I. D1 and D5 dopamine receptors participate on the consolidation of two different memories. Behav Brain Res 2014; 271:212-7. [DOI: 10.1016/j.bbr.2014.06.027] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2014] [Revised: 06/13/2014] [Accepted: 06/15/2014] [Indexed: 01/11/2023]
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35
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Martínez MC, Villar ME, Ballarini F, Viola H. Retroactive interference of object-in-context long-term memory: role of dorsal hippocampus and medial prefrontal cortex. Hippocampus 2014; 24:1482-92. [PMID: 25044872 DOI: 10.1002/hipo.22328] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2014] [Revised: 07/01/2014] [Accepted: 07/03/2014] [Indexed: 12/13/2022]
Abstract
Retroactive interference (RI) is a type of amnesia in which a new learning experience can impair the expression of a previous one. It has been studied in several types of memories for over a century. Here, we aimed to study in the long-term memory (LTM) formation of an object-in-context task, defined as the recognition of a familiar object in a context different to that in which it was previously encountered. We trained rats with two sample trials, each taking place in a different context in association with different objects. Test sessions were performed 24 h later, to evaluate LTM for both object-context pairs using separate groups of trained rats. Furthermore, given the involvement of hippocampus (Hp) and medial prefrontal cortex (mPFC) in several recognition memories, we also analyzed the participation of these structures in the LTM formation of this task by the local infusion of muscimol. Our results show that object-in-context LTM formation is sensitive to RI by a different either familiar or novel object-context pair trial, experienced 1 h later. This interference occurs in a restricted temporal window and works on the LTM consolidation phase, leaving intact short-term memory expression. The second sample trial did not affect the object recognition part of the memory. Besides, muscimol treatment before the second sample trial blocks its object-in-context LTM and restores the first sample trial memory. We hypothesized that LTM-RI amnesia is probably caused by resources or cellular machinery competition in these brain regions when they are engaged in memory formation of the traces. In sum, when two different object-in-context memory traces are being processed, the second trace interferes with the consolidation of the first one requiring mPFC and CA1 dorsal Hp activation.
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Affiliation(s)
- María Cecilia Martínez
- Laboratorio de Memoria, Instituto de Biología Celular y Neurociencia "Prof. E. De Robertis", Facultad de Medicina, Universidad de Buenos Aires-CONICET, Paraguay 2155 3° piso, Buenos Aires, Argentina
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Bermudez-Rattoni F. The forgotten insular cortex: Its role on recognition memory formation. Neurobiol Learn Mem 2014; 109:207-16. [PMID: 24406466 DOI: 10.1016/j.nlm.2014.01.001] [Citation(s) in RCA: 94] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2013] [Revised: 12/21/2013] [Accepted: 01/01/2014] [Indexed: 11/28/2022]
Affiliation(s)
- Federico Bermudez-Rattoni
- División de Neurociencias, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, A.P. 70-253, México, DF 04510, Mexico.
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Rabin BM, Shukitt-Hale B, Carrihill-Knoll KL, Gomes SM. Comparison of the Effects of Partial- or Whole-Body Exposures to16O Particles on Cognitive Performance in Rats. Radiat Res 2014; 181:251-7. [DOI: 10.1667/rr13469.1] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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38
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Rossato JI, Radiske A, Kohler CA, Gonzalez C, Bevilaqua LR, Medina JH, Cammarota M. Consolidation of object recognition memory requires simultaneous activation of dopamine D1/D5 receptors in the amygdala and medial prefrontal cortex but not in the hippocampus. Neurobiol Learn Mem 2013; 106:66-70. [PMID: 23891712 DOI: 10.1016/j.nlm.2013.07.012] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2013] [Revised: 06/26/2013] [Accepted: 07/12/2013] [Indexed: 02/07/2023]
Abstract
The mesocorticolimbic dopaminergic system includes the ventral tegmental area (VTA) and its projections to the amygdala (AMY), the hippocampus (HIP) and the medial prefrontal cortex (mPFC), among others. Object recognition (OR) long-term memory (LTM) processing requires dopaminergic activity but, although some of the brain regions mentioned above are necessary for OR LTM consolidation, their possible dopamine-mediated interplay remains to be analyzed. Using adult male Wistar rats, we found that posttraining microinjection of the dopamine D1/D5 receptor antagonist SCH23390 in mPFC or AMY, but not in HIP, impaired OR LTM. The dopamine D2 receptor agonist quinpirole had no effect on retention. VTA inactivation also hindered OR LTM, and even though this effect was unaffected by co-infusion of the dopamine D1/D5 receptor agonist SKF38393 in HIP, mPFC or AMY alone, it was reversed by simultaneous activation of D1/D5 receptors in the last two regions. Our results demonstrate that the mesocorticolimbic dopaminergic system is indeed essential for OR LTM consolidation and suggest that the role played by some of its components during this process is much more complex than previously thought.
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Affiliation(s)
- Janine I Rossato
- Memory Research Laboratory, Brain Institute (ICe), Federal University of Rio Grande do Norte (UFRN), Natal, RN 59056-450, Brazil; Laboratory of Behavioral Neurobiology, Biomedical Research Institute, Porto Alegre, RS 90610-000, Brazil
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