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Barbetti M, Mancabelli L, Vacondio F, Longhi G, Ferlenghi F, Viglioli M, Turroni F, Carnevali L, Mor M, Ventura M, Sgoifo A, Rivara S. Social stress-induced depressive-like symptoms and changes in gut microbial and lipidomic profiles are prevented by pharmacological inhibition of FAAH activity in male rats. Prog Neuropsychopharmacol Biol Psychiatry 2024; 131:110963. [PMID: 38354897 DOI: 10.1016/j.pnpbp.2024.110963] [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: 12/20/2023] [Revised: 02/07/2024] [Accepted: 02/09/2024] [Indexed: 02/16/2024]
Abstract
Pharmacological inhibition of fatty acid amide hydrolase (FAAH) activity has antidepressant-like effects in preclinical models of stress. In this study, we investigated whether the antidepressant-like effects of FAAH inhibition are associated with corresponding changes in gut microbial and lipidomic profiles, which are emerging as critical components in the pathophysiology of depression. Adult male Wistar rats experienced five weeks of repeated social defeat or control procedure and were treated with the FAAH inhibitor URB694 (0.3 mg/kg/day, i.p.) or vehicle starting from the third week. Repeated social defeat induced the emergence of depressive-like behavioral (sucrose preference reduction and passive coping behaviors in the forced swim test) and neuroendocrine (increased corticosterone levels) changes, which were prevented by URB694 treatment. Repeated social defeat also provoked a significant variation in gut microbiota (changes in the relative abundance of 14 bacterial taxa) and lipidic (e.g., glycerophospholipids) composition. These stress-induced changes were prevented by URB694 treatment. These findings indicate that inhibition of FAAH activity with URB694 blocks the co-occurrence of depressive-like behavioral and neuroendocrine changes and alterations in gut microbial and lipid composition in rats exposed to repeated social defeat. In conclusion, these results suggest that the gut microbiota-lipid crosstalk may represent a novel biological target for FAAH inhibitors to enhance stress resilience.
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Affiliation(s)
- Margherita Barbetti
- Stress Physiology Lab, Department of Chemistry, Life Sciences, and Environmental Sustainability, University of Parma, Parma, Italy
| | - Leonardo Mancabelli
- Department of Medicine and Surgery, University of Parma, Parma, Italy; Interdepartmental Research Centre "Microbiome Research Hub", University of Parma, Parma, Italy
| | | | - Giulia Longhi
- Laboratory of Probiogenomics, Department of Chemistry, Life Sciences, and Environmental Sustainability, University of Parma, Parma, Italy
| | | | | | - Francesca Turroni
- Interdepartmental Research Centre "Microbiome Research Hub", University of Parma, Parma, Italy; Laboratory of Probiogenomics, Department of Chemistry, Life Sciences, and Environmental Sustainability, University of Parma, Parma, Italy
| | - Luca Carnevali
- Stress Physiology Lab, Department of Chemistry, Life Sciences, and Environmental Sustainability, University of Parma, Parma, Italy; Interdepartmental Research Centre "Microbiome Research Hub", University of Parma, Parma, Italy.
| | - Marco Mor
- Interdepartmental Research Centre "Microbiome Research Hub", University of Parma, Parma, Italy; Department of Food and Drug, University of Parma, Parma, Italy
| | - Marco Ventura
- Interdepartmental Research Centre "Microbiome Research Hub", University of Parma, Parma, Italy; Laboratory of Probiogenomics, Department of Chemistry, Life Sciences, and Environmental Sustainability, University of Parma, Parma, Italy
| | - Andrea Sgoifo
- Stress Physiology Lab, Department of Chemistry, Life Sciences, and Environmental Sustainability, University of Parma, Parma, Italy; Interdepartmental Research Centre "Microbiome Research Hub", University of Parma, Parma, Italy
| | - Silvia Rivara
- Department of Food and Drug, University of Parma, Parma, Italy
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Carnevali L, Barbetti M, Fotio Y, Ferlenghi F, Vacondio F, Mor M, Piomelli D, Sgoifo A. Enhancement of peripheral fatty acyl ethanolamide signaling prevents stress-induced social avoidance and anxiety-like behaviors in male rats. Psychopharmacology (Berl) 2023:10.1007/s00213-023-06473-w. [PMID: 37932554 DOI: 10.1007/s00213-023-06473-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Accepted: 09/25/2023] [Indexed: 11/08/2023]
Abstract
RATIONALE Exposure to traumatic events can lead to alterations in social and anxiety-related behaviors. Emerging evidence suggests that peripheral host-defense processes are implicated in the expression of stress-induced behavioral responses and may be targeted to mitigate the negative sequalae of stress exposure. OBJECTIVES In this study, we used the peripherally restricted FAAH inhibitor URB937 to investigate the effects of the fatty acyl ethanolamide (FAE) family of lipid mediators - which include the endocannabinoid anandamide and the endogenous PPAR-α agonists, oleoylethanolamide and palmitoylethanolamide - on behavioral and peripheral biochemical responses to two ethologically distinct rat models of stress. METHODS Male adult rats were exposed to acute social defeat, a model of psychological stress (Experiment 1), or to the predator odor 2,5-dihydro-2,4,5-trimethylthiazoline (TMT), a test of innate predator-evoked fear (Experiment 2), and subsequently treated with URB937 (1 or 3 mg/kg, intraperitoneal) or vehicle. Behavioral analyses were conducted 24 h (Experiment 1) or 7 days (Experiment 2) after exposure. RESULTS URB937 administration prevented the emergence of both social avoidance behavior after social defeat stress and anxiety-related behaviors after TMT exposure. Further, URB937 administration blocked social defeat-induced transient increase in plasma concentrations of pro-inflammatory cytokines and the elevation in plasma corticosterone levels observed 24 h after social defeat CONCLUSIONS: Enhancement of peripheral FAAH-regulated lipid signaling prevents the emergence of stress-induced social avoidance and anxiety-like behaviors in male rats through mechanisms that may involve an attenuation of peripheral cytokine release induced by stress exposure.
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Affiliation(s)
- Luca Carnevali
- Stress Physiology Lab, Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parma, Italy.
| | - Margherita Barbetti
- Stress Physiology Lab, Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parma, Italy
| | - Yannick Fotio
- Department of Anatomy and Neurobiology, University of California, Irvine, CA, 92697, USA
| | | | | | - Marco Mor
- Department of Food and Drug, University of Parma, Parma, Italy
| | - Daniele Piomelli
- Department of Anatomy and Neurobiology, University of California, Irvine, CA, 92697, USA
- Department of Pharmaceutical Sciences, University of California, Irvine, CA, 92697, USA
- Department of Biological Chemistry, University of California, Irvine, CA, 92697, USA
| | - Andrea Sgoifo
- Stress Physiology Lab, Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parma, Italy
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Dargahi M, Karimi G, Etemad L, Alavi MS, Roohbakhsh A. Fatty acid amide hydrolase inhibitor URB597 suppressed conditioned and sensitized fear responses in a rat model of post-traumatic stress disorder. LEARNING AND MOTIVATION 2023. [DOI: 10.1016/j.lmot.2023.101872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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4
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Hamdan DI, Hafez SS, Hassan WHB, Morsi MM, Khalil HMA, Ahmed YH, Ahmed-Farid OA, El-Shiekh RA. Chemical profiles with cardioprotective and anti-depressive effects of Morus macroura Miq. leaves and stem branches dichloromethane fractions on isoprenaline induced post-MI depression. RSC Adv 2022; 12:3476-3493. [PMID: 35425386 PMCID: PMC8979319 DOI: 10.1039/d1ra08320a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Accepted: 01/04/2022] [Indexed: 12/27/2022] Open
Abstract
This study was conducted to explore the potential cardioprotective and anti-depressive effects of dichloromethane (DCM) fractions of Morus macroura leaves (L) and stem branches (S) on post-myocardial infarction (MI) depression induced by isoprenaline (ISO) in rats in relation to their metabolites. The study was propped with a UPLC-ESI-MS/MS profiling and chromatographic isolation of the secondary metabolites. Column chromatography revealed the isolation of lupeol palmitate (6) that was isolated for the first time from nature with eight known compounds. In addition, more than forty metabolites belonging, mainly to flavonoids, and anthocyanins groups were identified. The rats were injected with ISO (85 mg kg−1, s.c) in the first two days, followed by the administration of M. macroura DCM-L and DCM-S fractions (200 mg kg−1 p.o) for 19 days. Compared with the ISO exposed rats, the treated rats displayed a reduction in cardiac biomarkers (LDH and CKMB), anxiety, and depressive-like behaviour associated with an increase in the brain defense system (SOD and GSH), neuronal cell energy, GABA, serotonin, and dopamine, confirmed by histopathological investigations. In conclusion, DCM-L and DCM-S fractions' cardioprotective and anti-depressive activities are attributed to their metabolite profile. Therefore, they could serve as a potential agent in amending post-MI depression. This study was conducted to explore the potential cardioprotective and anti-depressive effects of dichloromethane fractions of Morus macroura leaves and stem branches on post-myocardial infarction depression induced by isoprenaline in rats in relation to their metabolites.![]()
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Affiliation(s)
- Dalia I Hamdan
- Department of Pharmacognosy and Natural Products, Faculty of Pharmacy, Menoufia University Shibin Elkom 32511 Egypt
| | - Samia S Hafez
- Pharmacognosy Department, Faculty of Pharmacy, Zagazig University Zagazig 44519 Egypt
| | - Wafaa H B Hassan
- Pharmacognosy Department, Faculty of Pharmacy, Zagazig University Zagazig 44519 Egypt
| | - Mai M Morsi
- Pharmacognosy Department, Faculty of Pharmacy, Zagazig University Zagazig 44519 Egypt
| | - Heba M A Khalil
- Department of Veterinary Hygiene and Management, Faculty of Veterinary Medicine, Cairo University Giza 12211 Egypt +201013666331
| | - Yasmine H Ahmed
- Department of Cytology and Histology, Faculty of Veterinary Medicine, Cairo University Giza 12211 Egypt
| | - Omar A Ahmed-Farid
- Department of Physiology, National Organization for Drug Control and Research Giza Egypt
| | - Riham A El-Shiekh
- Department of Pharmacognosy, Faculty of Pharmacy, Cairo University Kasr El Aini St. Cairo 11562 Egypt +201064763764
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On the Biomedical Properties of Endocannabinoid Degradation and Reuptake Inhibitors: Pre-clinical and Clinical Evidence. Neurotox Res 2021; 39:2072-2097. [PMID: 34741755 DOI: 10.1007/s12640-021-00424-z] [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: 07/19/2021] [Revised: 09/14/2021] [Accepted: 09/28/2021] [Indexed: 10/19/2022]
Abstract
The endocannabinoid system (ECS) is composed of endogenous cannabinoids; components involved in their synthesis, transport, and degradation; and an expansive variety of cannabinoid receptors. Hypofunction or deregulation of the ECS is related to pathological conditions. Consequently, endogenous enhancement of endocannabinoid levels and/or regulation of their metabolism represent promising therapeutic approaches. Several major strategies have been suggested for the modulation of the ECS: (1) blocking endocannabinoids degradation, (2) inhibition of endocannabinoid cellular uptake, and (3) pharmacological modulation of cannabinoid receptors as potential therapeutic targets. Here, we focused in this review on degradation/reuptake inhibitors over cannabinoid receptor modulators in order to provide an updated synopsis of contemporary evidence advancing mechanisms of endocannabinoids as pharmacological tools with therapeutic properties for the treatment of several disorders. For this purpose, we revisited the available literature and reported the latest advances regarding the biomedical properties of fatty acid amide hydrolase and monoacylglycerol lipase inhibitors in pre-clinical and clinical studies. We also highlighted anandamide and 2-arachidonoylglycerol reuptake inhibitors with promising results in pre-clinical studies using in vitro and animal models as an outlook for future research in clinical trials.
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Piantoni C, Carnevali L, Molla D, Barbuti A, DiFrancesco D, Bucchi A, Baruscotti M. Age-Related Changes in Cardiac Autonomic Modulation and Heart Rate Variability in Mice. Front Neurosci 2021; 15:617698. [PMID: 34084126 PMCID: PMC8168539 DOI: 10.3389/fnins.2021.617698] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Accepted: 04/20/2021] [Indexed: 01/08/2023] Open
Abstract
Objective The aim of this study was to assess age-related changes in cardiac autonomic modulation and heart rate variability (HRV) and their association with spontaneous and pharmacologically induced vulnerability to cardiac arrhythmias, to verify the translational relevance of mouse models for further in-depth evaluation of the link between autonomic changes and increased arrhythmic risk with advancing age. Methods Heart rate (HR) and time- and frequency-domain indexes of HRV were calculated from Electrocardiogram (ECG) recordings in two groups of conscious mice of different ages (4 and 19 months old) (i) during daily undisturbed conditions, (ii) following peripheral β-adrenergic (atenolol), muscarinic (methylscopolamine), and β-adrenergic + muscarinic blockades, and (iii) following β-adrenergic (isoprenaline) stimulation. Vulnerability to arrhythmias was evaluated during daily undisturbed conditions and following β-adrenergic stimulation. Results HRV analysis and HR responses to autonomic blockades revealed that 19-month-old mice had a lower vagal modulation of cardiac function compared with 4-month-old mice. This age-related autonomic effect was not reflected in changes in HR, since intrinsic HR was lower in 19-month-old compared with 4-month-old mice. Both time- and frequency-domain HRV indexes were reduced following muscarinic, but not β-adrenergic blockade in younger mice, and to a lesser extent in older mice, suggesting that HRV is largely modulated by vagal tone in mice. Finally, 19-month-old mice showed a larger vulnerability to both spontaneous and isoprenaline-induced arrhythmias. Conclusion The present study combines HRV analysis and selective pharmacological autonomic blockades to document an age-related impairment in cardiac vagal modulation in mice which is consistent with the human condition. Given their short life span, mice could be further exploited as an aged model for studying the trajectory of vagal decline with advancing age using HRV measures, and the mechanisms underlying its association with proarrhythmic remodeling of the senescent heart.
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Affiliation(s)
- Chiara Piantoni
- Department of Biosciences, The PaceLab and "Centro Interuniversitario di Medicina Molecolare e Biofisica Applicata", Università degli Studi di Milano, Milan, Italy.,Institute of Neurophysiology, Hannover Medical School, Hanover, Germany
| | - Luca Carnevali
- Stress Physiology Lab, Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parma, Italy
| | - David Molla
- Department of Biosciences, The PaceLab and "Centro Interuniversitario di Medicina Molecolare e Biofisica Applicata", Università degli Studi di Milano, Milan, Italy
| | - Andrea Barbuti
- Department of Biosciences, The PaceLab and "Centro Interuniversitario di Medicina Molecolare e Biofisica Applicata", Università degli Studi di Milano, Milan, Italy
| | - Dario DiFrancesco
- Department of Biosciences, The PaceLab and "Centro Interuniversitario di Medicina Molecolare e Biofisica Applicata", Università degli Studi di Milano, Milan, Italy.,IBF-CNR, University of Milano Unit, Milan, Italy
| | - Annalisa Bucchi
- Department of Biosciences, The PaceLab and "Centro Interuniversitario di Medicina Molecolare e Biofisica Applicata", Università degli Studi di Milano, Milan, Italy
| | - Mirko Baruscotti
- Department of Biosciences, The PaceLab and "Centro Interuniversitario di Medicina Molecolare e Biofisica Applicata", Università degli Studi di Milano, Milan, Italy
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Elevated Brain Fatty Acid Amide Hydrolase Induces Depressive-Like Phenotypes in Rodent Models: A Review. Int J Mol Sci 2021; 22:ijms22031047. [PMID: 33494322 PMCID: PMC7864498 DOI: 10.3390/ijms22031047] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 01/15/2021] [Accepted: 01/18/2021] [Indexed: 12/17/2022] Open
Abstract
Altered activity of fatty acid amide hydrolase (FAAH), an enzyme of the endocannabinoid system, has been implicated in several neuropsychiatric disorders, including major depressive disorder (MDD). It is speculated that increased brain FAAH expression is correlated with increased depressive symptoms. The aim of this scoping review was to establish the role of FAAH expression in animal models of depression to determine the translational potential of targeting FAAH in clinical studies. A literature search employing multiple databases was performed; all original articles that assessed FAAH expression in animal models of depression were considered. Of the 216 articles that were screened for eligibility, 24 articles met inclusion criteria and were included in this review. Three key findings emerged: (1) FAAH expression is significantly increased in depressive-like phenotypes; (2) genetic knockout or pharmacological inhibition of FAAH effectively reduces depressive-like behavior, with a dose-dependent effect; and (3) differences in FAAH expression in depressive-like phenotypes were largely localized to animal prefrontal cortex, hippocampus and striatum. We conclude, based on the animal literature, that a positive relationship can be established between brain FAAH level and expression of depressive symptoms. In summary, we suggest that FAAH is a tractable target for developing novel pharmacotherapies for MDD.
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Burke CJ, Modlinska K, Mauro MH, Aleksandrova LR, Pellis SM, Phillips AG, Euston DR. A naturalistic method to test depression: Anticipation of play. Behav Brain Res 2020; 398:112975. [PMID: 33141076 DOI: 10.1016/j.bbr.2020.112975] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Revised: 10/04/2020] [Accepted: 10/20/2020] [Indexed: 01/06/2023]
Abstract
The Wistar-Kyoto (WKY) rat was developed as a control for the spontaneous hypertensive rat but has subsequently also been used as a genetic animal model of depression due to its hyper-responsiveness to stress. We used anticipation of social reward (i.e., a play partner) to assess behavioural and vocal differences between the WKY and normal Wistar (WI) rats in the juvenile period. We found marked differences between groups; the WKY rats, were less active, vocalized less, and used significantly fewer types of 50-kHz calls in comparison to their WI counterparts. The animals were re-tested in adulthood and the same differences existed in overall activity, types of vocalizations and the behavioural vocal profiles used by the two groups of animals. These findings provide a robust baseline for an animal model of depression using a social paradigm. This paradigm may be useful to evaluate the efficacy of pharmaceutical interventions as potential treatments of depression in WKY rats.
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Affiliation(s)
- Candace J Burke
- Department of Neuroscience, University of Lethbridge, Lethbridge, Alberta, Canada.
| | - Klaudia Modlinska
- Institute of Psychology, Polish Academy of Sciences, 1 Jaracza St., 00-378 Warsaw, Poland
| | - Madison H Mauro
- Department of Neuroscience, University of Lethbridge, Lethbridge, Alberta, Canada
| | - Lily R Aleksandrova
- Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, BC, Canada; Department of Psychiatry, University of British Columbia, Vancouver, BC, Canada
| | - Sergio M Pellis
- Department of Neuroscience, University of Lethbridge, Lethbridge, Alberta, Canada
| | - Anthony G Phillips
- Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, BC, Canada; Department of Psychiatry, University of British Columbia, Vancouver, BC, Canada
| | - David R Euston
- Department of Neuroscience, University of Lethbridge, Lethbridge, Alberta, Canada
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9
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Huang R, Zhang Y, Bai Y, Han B, Ju M, Chen B, Yang L, Wang Y, Zhang H, Zhang H, Xie C, Zhang Z, Yao H. N 6-Methyladenosine Modification of Fatty Acid Amide Hydrolase Messenger RNA in Circular RNA STAG1-Regulated Astrocyte Dysfunction and Depressive-like Behaviors. Biol Psychiatry 2020; 88:392-404. [PMID: 32387133 DOI: 10.1016/j.biopsych.2020.02.018] [Citation(s) in RCA: 98] [Impact Index Per Article: 24.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2019] [Revised: 02/14/2020] [Accepted: 02/18/2020] [Indexed: 12/22/2022]
Abstract
BACKGROUND N6-methyladenosine (m6A) is the most abundant epigenetic modification in eukaryotic messenger RNAs and is essential for multiple RNA processing events in physiological and pathological processes. However, precisely how m6A methylation is involved in major depressive disorder (MDD) is not fully understood. METHODS Circular RNA STAG1 (circSTAG1) was screened from the hippocampus of chronic unpredictable stress-treated mice using high-throughput RNA sequencing. Microinjection of circSTAG1 lentivirus into the mouse hippocampus was used to observe the role of circSTAG1 in depression. Sucrose preference, forced swim, and tail suspension tests were performed to evaluate the depressive-like behaviors of mice. Astrocyte dysfunction was examined by GFAP immunostaining and 3D reconstruction. Methylated RNA immunoprecipitation sequence analysis was used to identify downstream targets of circSTAG1/ALKBH5 (alkB homolog 5) axis. Cell Counting Kit-8 assay was performed to evaluate astrocyte viability in vitro. RESULTS circSTAG1 was significantly decreased in the chronic unpredictable stress-treated mouse hippocampus and in peripheral blood of patients with MDD. Overexpression of circSTAG1 notably attenuated astrocyte dysfunction and depressive-like behaviors induced by chronic unpredictable stress. Further examination indicated that overexpressed circSTAG1 captured ALKBH5 and decreased the translocation of ALKBH5 into the nucleus, leading to increased m6A methylation of fatty acid amide hydrolase (FAAH) messenger RNA and degradation of FAAH in astrocytes with subsequent attenuation of depressive-like behaviors and astrocyte loss induced by corticosterone in vitro. CONCLUSIONS Our findings dissect the functional link between circSTAG1 and m6A methylation in the context of MDD, providing evidence that circSTAG1 may be a novel therapeutic target for MDD.
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Affiliation(s)
- Rongrong Huang
- Department of Pharmacology, School of Medicine, Southeast University, Nanjing, China
| | - Yuan Zhang
- Department of Pharmacology, School of Medicine, Southeast University, Nanjing, China
| | - Ying Bai
- Department of Pharmacology, School of Medicine, Southeast University, Nanjing, China
| | - Bing Han
- Department of Pharmacology, School of Medicine, Southeast University, Nanjing, China
| | - Minzi Ju
- Department of Pharmacology, School of Medicine, Southeast University, Nanjing, China
| | - Biling Chen
- Department of Pharmacology, School of Medicine, Southeast University, Nanjing, China
| | - Li Yang
- Department of Pharmacology, School of Medicine, Southeast University, Nanjing, China
| | - Yu Wang
- Department of Pharmacology, School of Medicine, Southeast University, Nanjing, China
| | - Hongxing Zhang
- Department of Psychology, Xinxiang Medical University, Xinxiang, Henan, China; Second Affiliated Hospital, Xinxiang Medical University, Xinxiang, Henan, China
| | - Haisan Zhang
- Second Affiliated Hospital, Xinxiang Medical University, Xinxiang, Henan, China
| | - Chunming Xie
- Department of Neurology, Affiliated ZhongDa Hospital, Institute of Neuropsychiatry, Southeast University, Nanjing, China
| | - Zhijun Zhang
- Department of Neurology, Affiliated ZhongDa Hospital, Institute of Neuropsychiatry, Southeast University, Nanjing, China; Department of Psychology, Xinxiang Medical University, Xinxiang, Henan, China; Second Affiliated Hospital, Xinxiang Medical University, Xinxiang, Henan, China
| | - Honghong Yao
- Department of Pharmacology, School of Medicine, Southeast University, Nanjing, China; Institute of Life Sciences, Key Laboratory of Developmental Genes and Human Disease, Southeast University, Nanjing, China; Co-innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu, China.
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10
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Carnevali L, Statello R, Vacondio F, Ferlenghi F, Spadoni G, Rivara S, Mor M, Sgoifo A. Antidepressant-like effects of pharmacological inhibition of FAAH activity in socially isolated female rats. Eur Neuropsychopharmacol 2020; 32:77-87. [PMID: 31948828 DOI: 10.1016/j.euroneuro.2019.12.119] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 12/18/2019] [Accepted: 12/24/2019] [Indexed: 12/24/2022]
Abstract
Pharmacological inhibition of the enzyme fatty acid amide hydrolase (FAAH), which terminates signaling of the endocannabinoid N-arachidonoylethanolamine (or anandamide, AEA), exerts favourable effects in rodent models of stress-related depression. Yet although depression seems to be more common among women than men and in spite of some evidence of sex differences in treatment efficacy, preclinical development of FAAH inhibitors for the pharmacotherapy of stress-related depression has been predominantly conducted in male animals. Here, adult female rats were exposed to six weeks of social isolation and, starting from the second week, treated with the FAAH inhibitor URB694 (0.3 mg/kg/day, i.p.) or vehicle. Compared to pair-housed females, socially isolated female rats treated with vehicle developed behavioral (mild anhedonia, passive stress coping) and physiological (reduced body weight gain, elevated plasma corticosterone levels) alterations. Moreover, prolonged social isolation provoked a reduction in brain-derived neurotrophic factor (BDNF) and AEA levels within the hippocampus. Together, these changes are indicative of an increased risk of developing a depressive-like state. Conversely, pharmacological inhibition of FAAH activity with URB694 restored both AEA and BDNF levels within the hippocampus of socially isolated rats and prevented the development of behavioral and physiological alterations. These results suggest a potential interplay between AEA-mediated signaling and hippocampal BDNF in the pathogenesis of depression-relevant behaviors and physiological alterations and antidepressant action of FAAH inhibition in socially isolated female rats.
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Affiliation(s)
- Luca Carnevali
- Stress Physiology Lab, Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parco Area delle Scienze 11/A, 43124 Parma, Italy.
| | - Rosario Statello
- Stress Physiology Lab, Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parco Area delle Scienze 11/A, 43124 Parma, Italy
| | | | | | - Gilberto Spadoni
- Department of Biomolecular Sciences, University of Urbino "Carlo Bo", Urbino, Italy
| | - Silvia Rivara
- Department of Food and Drug, University of Parma, Parma, Italy
| | - Marco Mor
- Department of Food and Drug, University of Parma, Parma, Italy
| | - Andrea Sgoifo
- Stress Physiology Lab, Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parco Area delle Scienze 11/A, 43124 Parma, Italy.
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11
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Morais-Silva G, Costa-Ferreira W, Gomes-de-Souza L, Pavan JC, Crestani CC, Marin MT. Cardiovascular outcomes related to social defeat stress: New insights from resilient and susceptible rats. Neurobiol Stress 2019; 11:100181. [PMID: 31236438 PMCID: PMC6582241 DOI: 10.1016/j.ynstr.2019.100181] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Revised: 05/28/2019] [Accepted: 06/04/2019] [Indexed: 12/13/2022] Open
Abstract
Stress exposure is an important risk factor for psychiatric and cardiovascular disorders. Two phenotypes related to coping with stress can be observed in rodents that experience chronic social defeat stress (SDS): susceptible, showing social avoidance and behavioral changes related to depression, and resilient, showing none of these alterations. Moreover, a strong correlation exists between depression and the development of or mortality due to cardiovascular diseases. Nevertheless, little is known about cardiovascular alterations related to SDS exposure in those phenotypes or their correlation with depressive-like behaviors. Using a chronic SDS protocol followed by the social interaction test, we identified Wistar rats as resilient or susceptible to SDS. Susceptible animals showed increased depressive-like behaviors with resting tachycardia and decreased heart rate variability (HRV) due to increased sympathetic tone in the heart and a less effective baroreflex. In contrast, resilient rats were protected from these alterations by increased vagal tone, resulting in greater HRV values. To our knowledge, our study is the first to indicate that harmful cardiovascular outcomes are related to depressive-like behaviors in susceptible rats and to suggest a mechanism by which resilient rats are protected from these changes. Also, our results suggest that enhanced HRV and vagal tone may be an important trait in resilient individuals. Cardiovascular alterations are correlated to depressive-like behaviors. Susceptible rats show increased sympathetic tone to the heart and lower HRV. Baroreflex effectiveness in susceptible rats is impaired. Resilient rats show an increased vagal tone to the heart and greater values of HRV.
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Affiliation(s)
- Gessynger Morais-Silva
- São Paulo State University (UNESP), School of Pharmaceutical Sciences, Laboratory of Pharmacology, Araraquara, SP, Brazil.,Joint Graduate Program in Physiological Sciences (PIPGCF), UFSCar/UNESP, São Carlos/Araraquara, SP, Brazil
| | - Willian Costa-Ferreira
- São Paulo State University (UNESP), School of Pharmaceutical Sciences, Laboratory of Pharmacology, Araraquara, SP, Brazil.,Joint Graduate Program in Physiological Sciences (PIPGCF), UFSCar/UNESP, São Carlos/Araraquara, SP, Brazil
| | - Lucas Gomes-de-Souza
- São Paulo State University (UNESP), School of Pharmaceutical Sciences, Laboratory of Pharmacology, Araraquara, SP, Brazil.,Joint Graduate Program in Physiological Sciences (PIPGCF), UFSCar/UNESP, São Carlos/Araraquara, SP, Brazil
| | - Jacqueline C Pavan
- São Paulo State University (UNESP), School of Pharmaceutical Sciences, Laboratory of Pharmacology, Araraquara, SP, Brazil
| | - Carlos C Crestani
- São Paulo State University (UNESP), School of Pharmaceutical Sciences, Laboratory of Pharmacology, Araraquara, SP, Brazil.,Joint Graduate Program in Physiological Sciences (PIPGCF), UFSCar/UNESP, São Carlos/Araraquara, SP, Brazil
| | - Marcelo T Marin
- São Paulo State University (UNESP), School of Pharmaceutical Sciences, Laboratory of Pharmacology, Araraquara, SP, Brazil.,Joint Graduate Program in Physiological Sciences (PIPGCF), UFSCar/UNESP, São Carlos/Araraquara, SP, Brazil
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12
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Hartmann A, Fassini A, Scopinho A, Correa FM, Guimarães FS, Lisboa SF, Resstel LB. Role of the endocannabinoid system in the dorsal hippocampus in the cardiovascular changes and delayed anxiety-like effect induced by acute restraint stress in rats. J Psychopharmacol 2019; 33:606-614. [PMID: 30789299 DOI: 10.1177/0269881119827799] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
BACKGROUND The dorsal hippocampus has a central role in modulating cardiovascular responses and behavioral adaptation to stress. The dorsal hippocampus also plays a key role in stress-associated mental disorders. The endocannabinoid system is widely expressed in the dorsal hippocampus and modulates defensive behaviors under stressful conditions. The endocannabinoid anandamide activates cannabinoid type 1 receptors and is metabolized by the fatty acid amide hydrolase enzyme. AIMS We sought to verify whether cannabinoid type 1 receptors modulate stress-induced cardiovascular changes, and if pharmacological fatty acid amide hydrolase inhibition in the dorsal hippocampus would prevent the cardiovascular responses and the delayed anxiogenic-like behavior evoked by restraint stress in rats via cannabinoid type 1 receptors. METHODS Independent groups received intra-dorsal-hippocampal injections of N-(piperidin-1yl)-5-(4-iodophenyl)-1-(2,4-dichlorophenyl)-4-methyl-hpyrazole-3-carboxamide (AM251; cannabinoid type 1 receptor antagonist/inverse agonist, 10-300 pmol) and/or cyclohexyl carbamic acid 3'-carbamoyl-biphenyl-3-yl ester (URB597; fatty acid amide hydrolase inhibitor, 10 pmol) before the restraint stress session. Cardiovascular response during restraint stress or later behavioral parameters were evaluated. RESULTS Acute restraint stress altered the cardiovascular response, characterized by increased heart rate and mean arterial pressure, as well as decreased tail cutaneous temperature. It also induced a delayed anxiogenic-like effect, evidenced by reduced open arm exploration in the elevated plus maze 24 h after stress. AM251 exacerbated the stress-induced cardiovascular responses after injection into the dorsal hippocampus. In contrast, local injection of URB597 prevented the cardiovascular response and the delayed (24 h) behavioral consequences of restraint stress, effects attenuated by pretreatment with AM251. CONCLUSION Our data corroborate previous results indicating that the hippocampal endocannabinoid system modulates the outcome of stress exposure and suggest that this could involve modulation of the cardiovascular response during stress exposure.
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Affiliation(s)
- Alice Hartmann
- 1 Department of Pharmacology, Medical School of Ribeirão Preto, University of São Paulo (FMRP-USP), Ribeirão Preto, São Paulo, Brazil.,2 Center for Interdisciplinary Research on Applied Neurosciences (NAPNA), University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Aline Fassini
- 1 Department of Pharmacology, Medical School of Ribeirão Preto, University of São Paulo (FMRP-USP), Ribeirão Preto, São Paulo, Brazil
| | - América Scopinho
- 1 Department of Pharmacology, Medical School of Ribeirão Preto, University of São Paulo (FMRP-USP), Ribeirão Preto, São Paulo, Brazil
| | - Fernando Ma Correa
- 1 Department of Pharmacology, Medical School of Ribeirão Preto, University of São Paulo (FMRP-USP), Ribeirão Preto, São Paulo, Brazil
| | - Francisco S Guimarães
- 1 Department of Pharmacology, Medical School of Ribeirão Preto, University of São Paulo (FMRP-USP), Ribeirão Preto, São Paulo, Brazil.,2 Center for Interdisciplinary Research on Applied Neurosciences (NAPNA), University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Sabrina F Lisboa
- 1 Department of Pharmacology, Medical School of Ribeirão Preto, University of São Paulo (FMRP-USP), Ribeirão Preto, São Paulo, Brazil.,2 Center for Interdisciplinary Research on Applied Neurosciences (NAPNA), University of São Paulo, Ribeirão Preto, São Paulo, Brazil.,3 Department of Physics and Chemistry, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo (FCFRP-USP), Ribeirão Preto, São Paulo, Brazil
| | - Leonardo Bm Resstel
- 1 Department of Pharmacology, Medical School of Ribeirão Preto, University of São Paulo (FMRP-USP), Ribeirão Preto, São Paulo, Brazil.,2 Center for Interdisciplinary Research on Applied Neurosciences (NAPNA), University of São Paulo, Ribeirão Preto, São Paulo, Brazil
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13
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Hemisphere-dependent endocannabinoid system activity in prefrontal cortex and hippocampus of the Flinders Sensitive Line rodent model of depression. Neurochem Int 2019; 125:7-15. [PMID: 30716357 DOI: 10.1016/j.neuint.2019.01.023] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2018] [Revised: 01/24/2019] [Accepted: 01/27/2019] [Indexed: 02/08/2023]
Abstract
Altered endocannabinoid (eCB) signalling is suggested as an important contributor to the pathophysiology of depression. To further elucidate this, we conducted a study using a genetic rat model of depression, the Flinders Sensitive Line (FSL), and their controls, the Flinders Resistant Line (FRL) rats. Plasma, right and left prefrontal cortex, and hippocampus were isolated from FSL and FRL rats. We analyzed each region for the eCB anandamide (AEA) and 2-arachidonoylglycerol (2-AG) levels by liquid chromatography/multiple reaction monitoring (LC/MRM), mRNA and protein levels of the cannabinoid type 1 receptor (CB1R), fatty acid amide hydrolase (FAAH) and monoacyl glycerol lipase (MAGL) by real time qPCR and Western blotting. Content of 2-AG was lower in the left side of the hippocampus and prefrontal cortex in FSL rats compared to FRL rats. Inversely, levels of AEA were higher in right hippocampus than in left hippocampus. In plasma, AEA levels were increased and 2-AG decreased. Cannabinoid receptor 1 (Cnr1), Faah and Magl mRNA levels were prominently decreased in right prefrontal cortex of FSL rats as compared to FRL rats. Protein expression of CB1R and FAAH were decreased in left hippocampus. In summary, our data suggest a decreased eCB signalling in the FSL rats, which could contribute to the depressive-like behaviour. Interestingly, the altered eCB system activity appear to be hemisphere-specific in the limbic regions. Our study support the existing literature and showed altered eCB system activity in this particular animal model of depression.
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Zhou Y, Kreek MJ. Involvement of Activated Brain Stress Responsive Systems in Excessive and "Relapse" Alcohol Drinking in Rodent Models: Implications for Therapeutics. J Pharmacol Exp Ther 2018; 366:9-20. [PMID: 29669731 PMCID: PMC5988024 DOI: 10.1124/jpet.117.245621] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Accepted: 04/16/2018] [Indexed: 02/06/2023] Open
Abstract
Addictive diseases, including addiction to alcohol, pose massive public health costs. Addiction is a chronic relapsing disease caused by both the direct effects induced by drugs and persistent neuroadaptations at the molecular, cellular, and behavioral levels. These drug-type specific neuroadaptations are brought on largely by the reinforcing effects of drugs on the central nervous system and environmental stressors. Results from animal experiments have demonstrated important interactions between alcohol and stress-responsive systems. Addiction to specific drugs such as alcohol, psychostimulants, and opioids shares some common direct or downstream effects on the brain's stress-responsive systems, including arginine vasopressin and its V1b receptors, dynorphin and the κ-opioid receptors, pro-opiomelanocortin/β-endorphin and the μ-opioid receptors, and the endocannabinoids. Further study of these systems through laboratory-based and translational research could lead to the discovery of novel treatment targets and the early optimization of interventions (for example, combination) for the pharmacologic therapy of alcoholism.
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Affiliation(s)
- Yan Zhou
- Laboratory of Biology of Addictive Diseases, Rockefeller University, New York, New York
| | - Mary Jeanne Kreek
- Laboratory of Biology of Addictive Diseases, Rockefeller University, New York, New York
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The selective reversible FAAH inhibitor, SSR411298, restores the development of maladaptive behaviors to acute and chronic stress in rodents. Sci Rep 2018; 8:2416. [PMID: 29403000 PMCID: PMC5799259 DOI: 10.1038/s41598-018-20895-z] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2017] [Accepted: 01/26/2018] [Indexed: 12/23/2022] Open
Abstract
Enhancing endogenous cannabinoid (eCB) signaling has been considered as a potential strategy for the treatment of stress-related conditions. Fatty acid amide hydrolase (FAAH) represents the primary degradation enzyme of the eCB anandamide (AEA), oleoylethanolamide (OEA) and palmitoylethanolamide (PEA). This study describes a potent reversible FAAH inhibitor, SSR411298. The drug acts as a selective inhibitor of FAAH, which potently increases hippocampal levels of AEA, OEA and PEA in mice. Despite elevating eCB levels, SSR411298 did not mimic the interoceptive state or produce the behavioral side-effects (memory deficit and motor impairment) evoked by direct-acting cannabinoids. When SSR411298 was tested in models of anxiety, it only exerted clear anxiolytic-like effects under highly aversive conditions following exposure to a traumatic event, such as in the mouse defense test battery and social defeat procedure. Results from experiments in models of depression showed that SSR411298 produced robust antidepressant-like activity in the rat forced-swimming test and in the mouse chronic mild stress model, restoring notably the development of inadequate coping responses to chronic stress. This preclinical profile positions SSR411298 as a promising drug candidate to treat diseases such as post-traumatic stress disorder, which involves the development of maladaptive behaviors.
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16
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Blockade of alcohol escalation and "relapse" drinking by pharmacological FAAH inhibition in male and female C57BL/6J mice. Psychopharmacology (Berl) 2017; 234:2955-2970. [PMID: 28730283 PMCID: PMC5693682 DOI: 10.1007/s00213-017-4691-9] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/23/2017] [Accepted: 07/03/2017] [Indexed: 01/09/2023]
Abstract
BACKGROUND Anandamide (AEA)-dependent signaling is regulated by the catabolic enzyme fatty acid amide hydrolase (FAAH). Several lines of evidence have demonstrated that FAAH and AEA are involved in the behavioral effects of alcohol. Therefore, we investigated whether a selective FAAH inhibitor, URB597 (cyclohexylcarbamic acid 3'-[aminocarbonyl]-[1,1'-biphenyl]-3-yl ester), altered alcohol intake in mice in a voluntary alcohol drinking model. METHODS Mice, subjected to 3 weeks of chronic intermittent access (IA) in a two-bottle choice paradigm with 24-h access every other day, developed rapid escalation of alcohol intake and high preference. We evaluated the pharmacological effects of URB597 after both acute (1-day) withdrawal from chronic IA and 1-week withdrawal using the alcohol deprivation effect (ADE) model. AEA and N-acyl ethanolamide (NAE) abundances were determined after chronic IA, acute (1-day), or long-term (1 and 2 weeks) withdrawal in four brain regions. RESULTS Acute pretreatment with URB597 reduced alcohol intake and preference after acute withdrawal. This effect was blocked by pretreatment with a selective type 1 cannabinoid receptor (CB1) antagonist, suggesting a CB1-mediated mechanism. Both single- and multiple-dosing regimens with an effective dose of URB597 prevented the ADE, with no tolerance development after the multi-dosing regimen. AEA and NAE levels were transiently increased in all brain regions measured after acute withdrawal, indicating that the endocannabinoid system is involved in acute alcohol withdrawal stress response. CONCLUSION FAAH inhibitors reduce alcohol escalation and "relapse" drinking in mice.
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Carnevali L, Montano N, Statello R, Coudé G, Vacondio F, Rivara S, Ferrari PF, Sgoifo A. Social stress contagion in rats: Behavioural, autonomic and neuroendocrine correlates. Psychoneuroendocrinology 2017; 82:155-163. [PMID: 28550792 DOI: 10.1016/j.psyneuen.2017.05.017] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2017] [Revised: 05/15/2017] [Accepted: 05/16/2017] [Indexed: 12/30/2022]
Abstract
The negative emotional consequences associated with life stress exposure in an individual can affect the emotional state of social partners. In this study, we describe an experimental rat model of social stress contagion and its effects on social behaviour and cardiac autonomic and neuroendocrine functions. Adult male Wistar rats were pair-housed and one animal (designated as "demonstrator" (DEM)) was submitted to either social defeat stress (STR) by an aggressive male Wild-type rat in a separate room or just exposed to an unfamiliar empty cage (control condition, CTR), once a day for 4 consecutive days. We evaluated the influence of cohabitation with a STR DEM on behavioural, cardiac autonomic and neuroendocrine outcomes in the cagemate (defined "observer" (OBS)). After repeated social stress, STR DEM rats showed clear signs of social avoidance when tested in a new social context compared to CTR DEM rats. Interestingly, also their cagemate STR OBSs showed higher levels of social avoidance compared to CTR OBSs. Moreover, STR OBS rats exhibited a higher heart rate and a larger shift of cardiac autonomic balance toward sympathetic prevalence (as indexed by heart rate variability analysis) immediately after the first reunification with their STR DEMs, compared to the control condition. This heightened cardiac autonomic responsiveness habituated over time. Finally, STR OBSs showed elevated plasma corticosterone levels at the end of the experimental protocol compared to CTR OBSs. These findings demonstrate that cohabitation with a DEM rat, which has experienced repeated social defeat stress, substantially disrupts social behaviour and induces short-lasting cardiac autonomic activation and hypothalamic-pituitary-adrenal axis hyperactivity in the OBS rat, thus suggesting emotional state-matching between the OBS and the DEM rats. We conclude that this rodent model may be further exploited for investigating the neurobiological bases of negative affective sharing between social partners under chronic social stress conditions.
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Affiliation(s)
- Luca Carnevali
- Department of Chemistry, Life Sciences and Environmental Sustainability, Stress Physiology Lab, University of Parma, Italy
| | - Nicola Montano
- Department of Internal Medicine, Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, University of Milan, Italy
| | - Rosario Statello
- Department of Chemistry, Life Sciences and Environmental Sustainability, Stress Physiology Lab, University of Parma, Italy
| | - Gino Coudé
- Institut des Sciences Cognitives Marc Jeannerod UMR 5229, CNRS-Université de Lyon, Bron Cedex, France
| | | | - Silvia Rivara
- Department of Food and Drug, University of Parma, Italy
| | - Pier Francesco Ferrari
- Institut des Sciences Cognitives Marc Jeannerod UMR 5229, CNRS-Université de Lyon, Bron Cedex, France
| | - Andrea Sgoifo
- Department of Chemistry, Life Sciences and Environmental Sustainability, Stress Physiology Lab, University of Parma, Italy.
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Pędzińska-Betiuk A, Weresa J, Toczek M, Baranowska-Kuczko M, Kasacka I, Harasim-Symbor E, Malinowska B. Chronic inhibition of fatty acid amide hydrolase by URB597 produces differential effects on cardiac performance in normotensive and hypertensive rats. Br J Pharmacol 2017; 174:2114-2129. [PMID: 28437860 DOI: 10.1111/bph.13830] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2017] [Revised: 03/27/2017] [Accepted: 04/12/2017] [Indexed: 01/20/2023] Open
Abstract
BACKGROUND AND PURPOSE Fatty acid amide hydrolase (FAAH) inhibitors are postulated to possess anti-hypertensive potential, because their acute injection decreases BP in spontaneously hypertensive rats (SHR), partly through normalization of cardiac contractile function. Here, we examined whether the potential hypotensive effect of chronic FAAH inhibition by URB597 in hypertensive rats correlated with changes in cardiac performance. EXPERIMENTAL APPROACH Experiments were performed using perfused hearts and left atria isolated from 8- to 10-week-old SHR, age-matched deoxycorticosterone acetate (DOCA)-salt rats and normotensive controls chronically treated with URB597 (1 mg·kg-1 ) or vehicle. KEY RESULTS URB597 decreased BP only in the DOCA-salt rats, along with a reduction of ventricular hypertrophy and diastolic stiffness, determined in hypertension. We also observed normalization of the negative inotropic atrial response to the cannabinoid receptor agonist CP55940. In the SHR model, URB597 normalized (atria) and enhanced (hearts) the positive ino- and chronotropic effects of the β-adrenoceptor agonist isoprenaline respectively. Ventricular CB1 and CB2 receptor expression was decreased only in the DOCA-salt model, whereas FAAH expression was reduced in both models. URB597 caused translocation of CB1 receptor immunoreactivity to the intercalated discs in the hearts of SHR. URB597 increased cardiac diastolic stiffness and modified the ino- and lusitropic effects of isoprenaline in normotensive rats. CONCLUSION AND IMPLICATIONS Hypotensive effect of chronic FAAH inhibition depend on the model of hypertension and partly correlate with improved cardiac performance. In normotensive rats, chronic FAAH inhibition produced several side-effects. Thus, the therapeutic potential of these agents should be interpreted cautiously.
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Affiliation(s)
- Anna Pędzińska-Betiuk
- Department of Experimental Physiology and Pathophysiology, Medical University of Białystok, Bialystok, Poland
| | - Jolanta Weresa
- Department of Experimental Physiology and Pathophysiology, Medical University of Białystok, Bialystok, Poland
| | - Marek Toczek
- Department of Experimental Physiology and Pathophysiology, Medical University of Białystok, Bialystok, Poland
| | - Marta Baranowska-Kuczko
- Department of Experimental Physiology and Pathophysiology, Medical University of Białystok, Bialystok, Poland
| | - Irena Kasacka
- Department of Histology and Cytophysiology, Medical University of Białystok, Bialystok, Poland
| | - Ewa Harasim-Symbor
- Department of Physiology, Medical University of Bialystok, Bialystok, Poland
| | - Barbara Malinowska
- Department of Experimental Physiology and Pathophysiology, Medical University of Białystok, Bialystok, Poland
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Carnevali L, Montano N, Statello R, Sgoifo A. Rodent models of depression-cardiovascular comorbidity: Bridging the known to the new. Neurosci Biobehav Rev 2017; 76:144-153. [DOI: 10.1016/j.neubiorev.2016.11.006] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2016] [Revised: 10/27/2016] [Accepted: 11/09/2016] [Indexed: 12/22/2022]
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Patel S, Hill MN, Cheer JF, Wotjak CT, Holmes A. The endocannabinoid system as a target for novel anxiolytic drugs. Neurosci Biobehav Rev 2017; 76:56-66. [PMID: 28434588 PMCID: PMC5407316 DOI: 10.1016/j.neubiorev.2016.12.033] [Citation(s) in RCA: 152] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2016] [Revised: 11/22/2016] [Accepted: 12/16/2016] [Indexed: 12/01/2022]
Abstract
The endocannabinoid (eCB) system has attracted attention for its role in various behavioral and brain functions, and as a therapeutic target in neuropsychiatric disease states, including anxiety disorders and other conditions resulting from dysfunctional responses to stress. In this mini-review, we highlight components of the eCB system that offer potential 'druggable' targets for new anxiolytic medications, emphasizing some of the less well-discussed options. We discuss how selectively amplifying eCBs recruitment by interfering with eCB-degradation, via fatty acid amide hydrolase (FAAH) and monoacylglycerol lipase (MAGL), has been linked to reductions in anxiety-like behaviors in rodents and variation in human anxiety symptoms. We also discuss a non-canonical route to regulate eCB degradation that involves interfering with cyclooxygenase-2 (COX-2). Next, we discuss approaches to targeting eCB receptor-signaling in ways that do not involve the cannabinoid receptor subtype 1 (CB1R); by targeting the CB2R subtype and the transient receptor potential vanilloid type 1 (TRPV1). Finally, we review evidence that cannabidiol (CBD), while representing a less specific pharmacological approach, may be another way to modulate eCBs and interacting neurotransmitter systems to alleviate anxiety. Taken together, these various approaches provide a range of plausible paths to developing novel compounds that could prove useful for treating trauma-related and anxiety disorders.
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Affiliation(s)
- Sachin Patel
- Department of Psychiatry and Behavioral Sciences, Vanderbilt University Medical Center, Nashville, USA; Vanderbilt Brain Institute, Vanderbilt University, Nashville, USA; Department of Molecular Physiology and Biophysics, Vanderbilt University School of Medicine, Nashville, USA; Vanderbilt Kennedy Center for Human Development, Vanderbilt University Medical Center, Nashville, USA
| | - Mathew N Hill
- Hotchkiss Brain Institute, University of Calgary, Calgary, AB, Canada; Mathison Centre for Mental Health Research and Education, University of Calgary, Calgary, AB, Canada; Departments of Cell Biology and Anatomy and Psychiatry, University of Calgary, Calgary, AB, Canada
| | - Joseph F Cheer
- Department of Anatomy and Neurobiology and Department of Psychiatry, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Carsten T Wotjak
- Max Planck Institute of Psychiatry, Department of Stress Neurobiology & Neurogenetics, Munich, Germany
| | - Andrew Holmes
- Laboratory of Behavioral and Genomic Neuroscience, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD, USA.
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Abstract
Cannabis sativa has long been used for medicinal purposes. To improve safety and efficacy, compounds from C. sativa were purified or synthesized and named under an umbrella group as cannabinoids. Currently, several cannabinoids may be prescribed in Canada for a variety of indications such as nausea and pain. More recently, an increasing number of reports suggest other salutary effects associated with endogenous cannabinoid signaling including cardioprotection. The therapeutic potential of cannabinoids is therefore extended; however, evidence is limited and mechanisms remain unclear. In addition, the use of cannabinoids clinically has been hindered due to pronounced psychoactive side effects. This review provides an overview on the endocannabinoid system, including known physiological roles, and conditions in which cannabinoid receptor signaling has been implicated.
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Affiliation(s)
- Yan Lu
- a College of Pharmacy, Rady Faculty of Health Sciences, University of Manitoba, 750 McDermot Avenue, Winnipeg, MB R3E 0T5, Canada.,b Canadian Centre for Agri-Food Research in Health and Medicine, St. Boniface Hospital Research Centre, 351 Taché Avenue, Winnipeg, MB R2H 2A6, Canada
| | - Hope D Anderson
- a College of Pharmacy, Rady Faculty of Health Sciences, University of Manitoba, 750 McDermot Avenue, Winnipeg, MB R3E 0T5, Canada.,b Canadian Centre for Agri-Food Research in Health and Medicine, St. Boniface Hospital Research Centre, 351 Taché Avenue, Winnipeg, MB R2H 2A6, Canada.,c Department of Pharmacology and Therapeutics, Max Rady College of Medicine, University of Manitoba, 753 McDermot Avenue, Winnipeg, MB R3E 0T6, Canada
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22
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Carnevali L, Rivara S, Nalivaiko E, Thayer JF, Vacondio F, Mor M, Sgoifo A. Pharmacological inhibition of FAAH activity in rodents: A promising pharmacological approach for psychological—cardiac comorbidity? Neurosci Biobehav Rev 2017; 74:444-452. [DOI: 10.1016/j.neubiorev.2016.04.013] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2016] [Revised: 04/19/2016] [Accepted: 04/20/2016] [Indexed: 01/09/2023]
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23
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McCabe D, Lisy K, Lockwood C, Colbeck M. The impact of essential fatty acid, B vitamins, vitamin C, magnesium and zinc supplementation on stress levels in women: a systematic review. JBI DATABASE OF SYSTEMATIC REVIEWS AND IMPLEMENTATION REPORTS 2017; 15:402-453. [PMID: 28178022 DOI: 10.11124/jbisrir-2016-002965] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Abstract
BACKGROUND Women juggling multiple roles in our complex society are increasingly experiencing psychological stress. Dietary supplementation to manage stress is widespread despite limited supporting evidence. A systematic review of the available literature was undertaken to investigate the efficacy of specific dietary supplements in managing female stress and anxiety. OBJECTIVES To identify the impact of essential fatty acids (EFAs), B vitamins, vitamin C, magnesium and/or zinc, consumed as dietary supplements to the daily diet, on female stress and anxiety levels. INCLUSION CRITERIA TYPES OF PARTICIPANTS Women aged 18 years and over, who had participated in a study where stress and/or anxiety were assessed. TYPES OF INTERVENTION(S) Dietary supplementation with EFAs, B vitamins, vitamin C, magnesium and/or zinc. TYPES OF COMPARATORS Supplements, either alone or combined, were compared with either no intervention or placebo. TYPES OF STUDIES Randomized controlled and pseudo-randomized trials were included. OUTCOMES Stress and anxiety were assessed using self-report or physiological outcome measures. SEARCH STRATEGY Published and unpublished studies were sought via MEDLINE (via PubMed), Embase, Scopus, CINAHL, PsycINFO, PsycARTICLES, MedNar, National Institute of Mental Health and the International Association for Women's Mental Health. METHODOLOGICAL QUALITY Methodological quality was evaluated using standardized critical appraisal instruments from the Joanna Briggs Institute. DATA EXTRACTION Data were extracted using the standardized data extraction instruments from the Joanna Briggs Institute. DATA SYNTHESIS Due to heterogeneity of the included studies, narrative synthesis was performed. RESULTS Fourteen studies were included in this review. Essential fatty acids were effective in reducing perceived stress and salivary cortisol levels during pregnancy and anxiety in premenstrual women, and anxiety during menopause in the absence of depression, but were ineffective when depression was disregarded. Disregarding the hormonal phase, EFAs were ineffective in reducing stress or anxiety in four groups of women. Combined magnesium and vitamin B6 supplementation reduced premenstrual anxiety but had no effect when used in isolation and did not affect stress in women suffering from dysmenorrhea when combined or used in isolation. Older women experienced anxiety reduction using vitamin B6, but not folate or vitamin B12. High-dose sustained-release vitamin C was effective in reducing anxiety and blood pressure in response to stress. CONCLUSION The current review suggests that EFAs may be effective in reducing prenatal stress and salivary cortisol and may reduce anxiety during premenstrual syndrome and during menopause in the absence of depression. Magnesium and vitamin B6 may be effective in combination in reducing premenstrual stress, and vitamin B6 alone may reduce anxiety effectively in older women. High-dose sustained-release vitamin C may reduce anxiety and mitigate increased blood pressure in response to stress. IMPLICATIONS FOR PRACTICE Essential fatty acids may be effective in reducing prenatal stress and salivary cortisol levels, and premenstrual or menopausal anxiety in the absence of depression. Combining magnesium and vitamin B6 may reduce premenstrual anxiety and vitamin B6 may reduce anxiety in older women. High-dose sustained-release vitamin C may reduce anxiety and mitigate increased blood pressure in response to stress. IMPLICATIONS FOR RESEARCH Investigating supplementation in longer term studies is warranted and should include compliance testing, the use of inert substances as controls and reliable outcome measures.
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Affiliation(s)
- Delia McCabe
- The Joanna Briggs Institute, Faculty of Health and Medical Sciences, University of Adelaide, Adelaide, Australia
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Crestani CC. Emotional Stress and Cardiovascular Complications in Animal Models: A Review of the Influence of Stress Type. Front Physiol 2016; 7:251. [PMID: 27445843 PMCID: PMC4919347 DOI: 10.3389/fphys.2016.00251] [Citation(s) in RCA: 74] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2016] [Accepted: 06/09/2016] [Indexed: 01/22/2023] Open
Abstract
Emotional stress has been recognized as a modifiable risk factor for cardiovascular diseases. The impact of stress on physiological and psychological processes is determined by characteristics of the stress stimulus. For example, distinct responses are induced by acute vs. chronic aversive stimuli. Additionally, the magnitude of stress responses has been reported to be inversely related to the degree of predictability of the aversive stimulus. Therefore, the purpose of the present review was to discuss experimental research in animal models describing the influence of stressor stimulus characteristics, such as chronicity and predictability, in cardiovascular dysfunctions induced by emotional stress. Regarding chronicity, the importance of cardiovascular and autonomic adjustments during acute stress sessions and cardiovascular consequences of frequent stress response activation during repeated exposure to aversive threats (i.e., chronic stress) is discussed. Evidence of the cardiovascular and autonomic changes induced by chronic stressors involving daily exposure to the same stressor (predictable) vs. different stressors (unpredictable) is reviewed and discussed in terms of the impact of predictability in cardiovascular dysfunctions induced by stress.
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Affiliation(s)
- Carlos C Crestani
- Faculdade de Ciências Farmacêuticas, UNESP - Univ Estadual Paulista Araraquara, Brasil
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Baranowska-Kuczko M, Kozłowska H, Kloza M, Karpińska O, Toczek M, Harasim E, Kasacka I, Malinowska B. Protective role of cannabinoid CB1 receptors and vascular effects of chronic administration of FAAH inhibitor URB597 in DOCA-salt hypertensive rats. Life Sci 2016; 151:288-299. [PMID: 26969765 DOI: 10.1016/j.lfs.2016.03.014] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2015] [Revised: 03/04/2016] [Accepted: 03/08/2016] [Indexed: 12/26/2022]
Abstract
AIMS This study examined whether the fall in blood pressure (BP) induced by the chronic inhibition of fatty acid amide hydrolase (FAAH) by URB597 in deoxycorticosterone acetate (DOCA-salt) hypertensive rats correlates with endocannabinoid-mediated vascular changes. MAIN METHODS Functional studies were performed in isolated endothelium-intact aortas and small mesenteric arteries (sMAs) using organ bath technique and wire myography, respectively. KEY FINDINGS In the DOCA-salt rats, methanandamide-stimulated relaxation was enhanced in sMAs or diminished in aortas. Its vasorelaxant effect in sMAs was sensitive to the antagonist of the Transient Receptor Potential Vanilloid type 1 (TRPV1), capsazepine, in normo- and hypertensive animals and to the antagonist of the cannabinoid CB1 receptors, AM6545, only in DOCA-salt rats. Cannabinoid CB1 receptors were up-regulated merely in DOCA-salt sMAs. URB597 decreased elevated BP in DOCA-salt rats, medial hypertrophy in DOCA-salt aortas. In sMAs it reduced FAAH expression and restored the augmented phenylephrine-induced contraction in the DOCA-salt rats to the level obtained in normotensive controls. In normotensive rats it diminished endothelium-dependent relaxation and increased phenylephrine-induced contraction. SIGNIFICANCE The study showed the protective role of cannabinoid CB1 receptors in DOCA-salt sMAs. Reduction in BP after chronic administration of the FAAH inhibitor URB597 in DOCA-salt hypertensive rats only partially correlates with structural and functional changes in conductance and resistance vessels, respectively. Caution should be taken in studying cannabinoids and FAAH inhibitors as potential therapeutics, because of their vessel- and model-specific activities, and side effects connected with off-target response and activation of alternative pathways of anandamide metabolism.
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Affiliation(s)
- Marta Baranowska-Kuczko
- Department of Experimental Physiology and Pathophysiology, Medical University of Białystok, ul. Mickiewicza 2A, 15-222 Białystok, Poland; Department of Clinical Pharmacy, Medical University of Białystok, ul. Mickiewicza 2A, 15-222 Białystok, Poland.
| | - Hanna Kozłowska
- Department of Experimental Physiology and Pathophysiology, Medical University of Białystok, ul. Mickiewicza 2A, 15-222 Białystok, Poland
| | - Monika Kloza
- Department of Experimental Physiology and Pathophysiology, Medical University of Białystok, ul. Mickiewicza 2A, 15-222 Białystok, Poland
| | - Olga Karpińska
- Department of Experimental Physiology and Pathophysiology, Medical University of Białystok, ul. Mickiewicza 2A, 15-222 Białystok, Poland
| | - Marek Toczek
- Department of Experimental Physiology and Pathophysiology, Medical University of Białystok, ul. Mickiewicza 2A, 15-222 Białystok, Poland
| | - Ewa Harasim
- Department of Physiology, Medical University of Białystok, ul. Mickiewicza 2C, 15-222 Białystok, Poland
| | - Irena Kasacka
- Department of Histology and Cytophysiology, Medical University of Białystok, ul. Mickiewicza 2C, 15-222 Białystok, Poland
| | - Barbara Malinowska
- Department of Experimental Physiology and Pathophysiology, Medical University of Białystok, ul. Mickiewicza 2A, 15-222 Białystok, Poland
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Carnevali L, Vacondio F, Rossi S, Macchi E, Spadoni G, Bedini A, Neumann ID, Rivara S, Mor M, Sgoifo A. Cardioprotective effects of fatty acid amide hydrolase inhibitor URB694, in a rodent model of trait anxiety. Sci Rep 2015; 5:18218. [PMID: 26656183 PMCID: PMC4677398 DOI: 10.1038/srep18218] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2015] [Accepted: 11/02/2015] [Indexed: 12/12/2022] Open
Abstract
In humans, chronic anxiety represents an independent risk factor for cardiac arrhythmias and sudden death. Here we evaluate in male Wistar rats bred for high (HAB) and low (LAB) anxiety-related behavior, as well as non-selected (NAB) animals, the relationship between trait anxiety and cardiac electrical instability and investigate whether pharmacological augmentation of endocannabinoid anandamide-mediated signaling exerts anxiolytic-like and cardioprotective effects. HAB rats displayed (i) a higher incidence of ventricular tachyarrhythmias induced by isoproterenol, and (ii) a larger spatial dispersion of ventricular refractoriness assessed by means of an epicardial mapping protocol. In HAB rats, acute pharmacological inhibition of the anandamide-degrading enzyme, fatty acid amide hydrolase (FAAH), with URB694 (0.3 mg/kg), (i) decreased anxiety-like behavior in the elevated plus maze, (ii) increased anandamide levels in the heart, (iii) reduced isoproterenol-induced occurrence of ventricular tachyarrhythmias, and (iv) corrected alterations of ventricular refractoriness. The anti-arrhythmic effect of URB694 was prevented by pharmacological blockade of the cannabinoid type 1 (CB1), but not of the CB2, receptor. These findings suggest that URB694 exerts anxiolytic-like and cardioprotective effects in HAB rats, the latter via anandamide-mediated activation of CB1 receptors. Thus, pharmacological inhibition of FAAH might be a viable pharmacological strategy for the treatment of anxiety-related cardiac dysfunction.
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Affiliation(s)
| | | | - Stefano Rossi
- Department of Life Sciences, University of Parma, Italy
| | - Emilio Macchi
- Department of Life Sciences, University of Parma, Italy
| | - Gilberto Spadoni
- Department of Biomolecular Sciences, University of Urbino "Carlo Bo", Italy
| | - Annalida Bedini
- Department of Biomolecular Sciences, University of Urbino "Carlo Bo", Italy
| | - Inga D Neumann
- Department of Behavioural and Molecular Neurobiology, University of Regensburg, Germany
| | | | - Marco Mor
- Department of Pharmacy, University of Parma, Italy
| | - Andrea Sgoifo
- Department of Neuroscience, University of Parma, Italy
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