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Martín-Llorente A, Serrano M, Bonilla-Del Río I, Lekunberri L, Ocerin G, Puente N, Ramos A, Rico-Barrio I, Gerrikagoitia I, Grandes P. Omega-3 Recovers Cannabinoid 1 Receptor Expression in the Adult Mouse Brain after Adolescent Binge Drinking. Int J Mol Sci 2023; 24:17316. [PMID: 38139145 PMCID: PMC10744058 DOI: 10.3390/ijms242417316] [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: 10/31/2023] [Revised: 12/07/2023] [Accepted: 12/08/2023] [Indexed: 12/24/2023] Open
Abstract
Adolescent binge drinking is a social problem with a long-lasting impact on cognitive functions. The cannabinoid type-1 (CB1) receptor of the endocannabinoid system (ECS) is involved in brain synaptic plasticity, cognition and behavior via receptor localization at specific subcellular compartments of the cortical, limbic and motor regions. Alcohol (EtOH) intake affects the ECS, CB1 and their functions. Evidence indicates that binge drinking during adolescence impairs memory via the abrogation of CB1-dependent synaptic plasticity in the hippocampus. However, the impact of EtOH consumption on global CB1 receptor expression in the adult brain is unknown. We studied this using optical density analysis throughout brain regions processed for light microscopy (LM) immunohistotochemistry. CB1 staining decreased significantly in the secondary motor cortex, cerebellum, cingulate cortex, amygdala and nucleus accumbens. Next, as omega-3 (n-3) polyunsaturated fatty acids (PUFAs) rescue synaptic plasticity and improve EtOH-impaired cognition, we investigated whether docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA) had any effect on CB1 receptors. N-3 intake during EtOH abstinence restored CB1 immunostaining in the secondary motor cortex, cerebellum and amygdala, and ameliorated receptor density in the cingulate cortex. These results show that n-3 supplementation recovers CB1 receptor expression disrupted by EtOH in distinct brain regions involved in motor functions and cognition.
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Affiliation(s)
- Ane Martín-Llorente
- Laboratory of Ultrastructural and Functional Neuroanatomy of the Synapse, Department of Neurosciences, Faculty of Medicine and Nursing, University of the Basque Country UPV/EHU, 48940 Leioa, Spain; (A.M.-L.); (M.S.); (I.B.-D.R.); (L.L.); (G.O.); (N.P.); (A.R.); (I.R.-B.)
| | - Maitane Serrano
- Laboratory of Ultrastructural and Functional Neuroanatomy of the Synapse, Department of Neurosciences, Faculty of Medicine and Nursing, University of the Basque Country UPV/EHU, 48940 Leioa, Spain; (A.M.-L.); (M.S.); (I.B.-D.R.); (L.L.); (G.O.); (N.P.); (A.R.); (I.R.-B.)
- Achucarro Basque Center for Neuroscience, Science Park of the UPV/EHU, 48940 Leioa, Spain
| | - Itziar Bonilla-Del Río
- Laboratory of Ultrastructural and Functional Neuroanatomy of the Synapse, Department of Neurosciences, Faculty of Medicine and Nursing, University of the Basque Country UPV/EHU, 48940 Leioa, Spain; (A.M.-L.); (M.S.); (I.B.-D.R.); (L.L.); (G.O.); (N.P.); (A.R.); (I.R.-B.)
- Achucarro Basque Center for Neuroscience, Science Park of the UPV/EHU, 48940 Leioa, Spain
| | - Leire Lekunberri
- Laboratory of Ultrastructural and Functional Neuroanatomy of the Synapse, Department of Neurosciences, Faculty of Medicine and Nursing, University of the Basque Country UPV/EHU, 48940 Leioa, Spain; (A.M.-L.); (M.S.); (I.B.-D.R.); (L.L.); (G.O.); (N.P.); (A.R.); (I.R.-B.)
- Achucarro Basque Center for Neuroscience, Science Park of the UPV/EHU, 48940 Leioa, Spain
| | - Garazi Ocerin
- Laboratory of Ultrastructural and Functional Neuroanatomy of the Synapse, Department of Neurosciences, Faculty of Medicine and Nursing, University of the Basque Country UPV/EHU, 48940 Leioa, Spain; (A.M.-L.); (M.S.); (I.B.-D.R.); (L.L.); (G.O.); (N.P.); (A.R.); (I.R.-B.)
- Achucarro Basque Center for Neuroscience, Science Park of the UPV/EHU, 48940 Leioa, Spain
| | - Nagore Puente
- Laboratory of Ultrastructural and Functional Neuroanatomy of the Synapse, Department of Neurosciences, Faculty of Medicine and Nursing, University of the Basque Country UPV/EHU, 48940 Leioa, Spain; (A.M.-L.); (M.S.); (I.B.-D.R.); (L.L.); (G.O.); (N.P.); (A.R.); (I.R.-B.)
- Achucarro Basque Center for Neuroscience, Science Park of the UPV/EHU, 48940 Leioa, Spain
| | - Almudena Ramos
- Laboratory of Ultrastructural and Functional Neuroanatomy of the Synapse, Department of Neurosciences, Faculty of Medicine and Nursing, University of the Basque Country UPV/EHU, 48940 Leioa, Spain; (A.M.-L.); (M.S.); (I.B.-D.R.); (L.L.); (G.O.); (N.P.); (A.R.); (I.R.-B.)
- Achucarro Basque Center for Neuroscience, Science Park of the UPV/EHU, 48940 Leioa, Spain
| | - Irantzu Rico-Barrio
- Laboratory of Ultrastructural and Functional Neuroanatomy of the Synapse, Department of Neurosciences, Faculty of Medicine and Nursing, University of the Basque Country UPV/EHU, 48940 Leioa, Spain; (A.M.-L.); (M.S.); (I.B.-D.R.); (L.L.); (G.O.); (N.P.); (A.R.); (I.R.-B.)
- Achucarro Basque Center for Neuroscience, Science Park of the UPV/EHU, 48940 Leioa, Spain
| | - Inmaculada Gerrikagoitia
- Laboratory of Ultrastructural and Functional Neuroanatomy of the Synapse, Department of Neurosciences, Faculty of Medicine and Nursing, University of the Basque Country UPV/EHU, 48940 Leioa, Spain; (A.M.-L.); (M.S.); (I.B.-D.R.); (L.L.); (G.O.); (N.P.); (A.R.); (I.R.-B.)
- Achucarro Basque Center for Neuroscience, Science Park of the UPV/EHU, 48940 Leioa, Spain
| | - Pedro Grandes
- Laboratory of Ultrastructural and Functional Neuroanatomy of the Synapse, Department of Neurosciences, Faculty of Medicine and Nursing, University of the Basque Country UPV/EHU, 48940 Leioa, Spain; (A.M.-L.); (M.S.); (I.B.-D.R.); (L.L.); (G.O.); (N.P.); (A.R.); (I.R.-B.)
- Achucarro Basque Center for Neuroscience, Science Park of the UPV/EHU, 48940 Leioa, Spain
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Serrano M, Rico-Barrio I, Grandes P. The effect of omega-3 fatty acids on alcohol-induced damage. Front Nutr 2023; 10:1068343. [PMID: 37090780 PMCID: PMC10113533 DOI: 10.3389/fnut.2023.1068343] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Accepted: 03/21/2023] [Indexed: 04/08/2023] Open
Abstract
Alcohol is the most widely consumed psychoactive substance in the world that has a severe impact on many organs and bodily systems, particularly the liver and nervous system. Alcohol use during pregnancy roots long-lasting changes in the newborns and during adolescence has long-term detrimental effects especially on the brain. The brain contains docosahexaenoic acid (DHA), a major omega-3 (n-3) fatty acid (FA) that makes up cell membranes and influences membrane-associated protein function, cell signaling, gene expression and lipid production. N-3 is beneficial in several brain conditions like neurodegenerative diseases, ameliorating cognitive impairment, oxidative stress, neuronal death and inflammation. Because alcohol decreases the levels of n-3, it is timely to know whether n-3 supplementation positively modifies alcohol-induced injuries. The aim of this review is to summarize the state-of-the-art of the n-3 effects on certain conditions caused by alcohol intake, focusing primarily on brain damage and alcoholic liver disease.
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Affiliation(s)
- Maitane Serrano
- Laboratory of Ultrastructural and Functional Neuroanatomy of the Synapse, Department of Neurosciences, Faculty of Medicine and Nursing, University of the Basque Country UPV/EHU, Leioa, Spain
- Achucarro Basque Center for Neuroscience, Science Park of the UPV/EHU, Leioa, Spain
| | - Irantzu Rico-Barrio
- Laboratory of Ultrastructural and Functional Neuroanatomy of the Synapse, Department of Neurosciences, Faculty of Medicine and Nursing, University of the Basque Country UPV/EHU, Leioa, Spain
- Achucarro Basque Center for Neuroscience, Science Park of the UPV/EHU, Leioa, Spain
| | - Pedro Grandes
- Laboratory of Ultrastructural and Functional Neuroanatomy of the Synapse, Department of Neurosciences, Faculty of Medicine and Nursing, University of the Basque Country UPV/EHU, Leioa, Spain
- Achucarro Basque Center for Neuroscience, Science Park of the UPV/EHU, Leioa, Spain
- *Correspondence: Pedro Grandes,
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Mañas‐Padilla MC, Tezanos P, Cintado E, Vicente L, Sánchez‐Salido L, Gil‐Rodríguez S, Trejo JL, Santín LJ, Castilla‐Ortega E. Environmental enrichment alleviates cognitive and psychomotor alterations and increases adult hippocampal neurogenesis in cocaine withdrawn mice. Addict Biol 2023; 28:e13244. [PMID: 36577726 PMCID: PMC9786803 DOI: 10.1111/adb.13244] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 09/07/2022] [Accepted: 09/27/2022] [Indexed: 11/17/2022]
Abstract
Cocaine is a widely used psychostimulant drug whose repeated exposure induces persistent cognitive/emotional dysregulation, which could be a predictor of relapse in users. However, there is scarce evidence on effective treatments to alleviate these symptoms. Environmental enrichment (EE) has been shown to be associated with improved synaptic function and cellular plasticity changes related to adult hippocampal neurogenesis (AHN), resulting in cognitive enhancement. Therefore, EE could mitigate the negative impact of chronic administration of cocaine in mice and reduce the emotional and cognitive symptoms present during cocaine abstinence. In this study, mice were chronically administered with cocaine for 14 days, and control mice received saline. After the last cocaine or saline dose, mice were submitted to control or EE housing conditions, and they stayed undisturbed for 28 days. Subsequently, mice were evaluated with a battery of behavioural tests for exploratory activity, emotional behaviour, and cognitive performance. EE attenuated hyperlocomotion, induced anxiolytic-like behaviour and alleviated cognitive impairment in spatial memory in the cocaine-abstinent mice. The EE protocol notably upregulated AHN in both control and cocaine-treated mice, though cocaine slightly reduced the number of immature neurons. Altogether, these results demonstrate that EE could enhance hippocampal neuroplasticity ameliorating the behavioural and cognitive consequences of repeated administration of cocaine. Therefore, environmental stimulation may be a useful strategy in the treatment cocaine addiction.
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Affiliation(s)
- M. Carmen Mañas‐Padilla
- Instituto de Investigación Biomédica de Málaga‐IBIMAMálagaSpain,Departamento de Psicobiología y Metodología de las Ciencias del ComportamientoUniversidad de MálagaMálagaSpain
| | - Patricia Tezanos
- Department of Translational NeuroscienceCajal Institute, Spanish National Research CouncilMadridSpain
| | - Elisa Cintado
- Department of Translational NeuroscienceCajal Institute, Spanish National Research CouncilMadridSpain
| | - Lucía Vicente
- Centro de Experimentación AnimalUniversidad de MálagaMálagaSpain,Departamento de PsicologíaUniversidad de DeustoBilbaoSpain
| | - Lourdes Sánchez‐Salido
- Instituto de Investigación Biomédica de Málaga‐IBIMAMálagaSpain,Unidad de Gestión Clínica de Salud MentalHospital Regional Universitario de MálagaMálagaSpain
| | - Sara Gil‐Rodríguez
- Instituto de Investigación Biomédica de Málaga‐IBIMAMálagaSpain,Departamento de Psicobiología y Metodología de las Ciencias del ComportamientoUniversidad de MálagaMálagaSpain
| | - José L. Trejo
- Department of Translational NeuroscienceCajal Institute, Spanish National Research CouncilMadridSpain
| | - Luis J. Santín
- Instituto de Investigación Biomédica de Málaga‐IBIMAMálagaSpain,Departamento de Psicobiología y Metodología de las Ciencias del ComportamientoUniversidad de MálagaMálagaSpain
| | - Estela Castilla‐Ortega
- Instituto de Investigación Biomédica de Málaga‐IBIMAMálagaSpain,Departamento de Psicobiología y Metodología de las Ciencias del ComportamientoUniversidad de MálagaMálagaSpain
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